/*!
  Copyright © 2025 Gregor Masshardt. All rights reserved.
  This source code is the intellectual property of Gregor Masshardt
  and may not be copied, modified, distributed, or used in any form
  without explicit written permission.
  Project: OneLatex
*/

/* ============================================
   OneLatex — App Stylesheet
   ============================================ */


/* ══════════════════════════════════════════
   LANDING — Reset & Root
   ══════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Ink & Violet scale */
  --ink:          #1F1436;
  --violet-700:   #5E2E90;
  --violet-600:   #7B3DB0;
  --violet-500:   #9951CE;
  --violet-400:   #B683DD;

  /* Text scale */
  --text-700:     #4A3E66;
  --text-500:     #6D5F88;
  --text-400:     #867AA0;  /* captions — AA Large ONLY */

  /* Accents */
  --teal:         #1F9688;
  --teal-soft:    #8FD4CA;
  --amber:        #B4761A;
  --amber-soft:   #E8C478;

  /* Surfaces */
  --bg-base:      #F4F1FB;
  --surface:      #FFFFFF;
  --border:       #E3DBF0;
  --glass-bg:     rgba(255, 255, 255, 0.70);
  --glass-blur:   blur(20px);
  --glass-border: 1px solid rgba(220, 190, 250, 0.35);

  /* Radii */
  --radius-button: 8px;
  --radius-card:   14px;
  --radius-inner:  10px;
  --radius-pill:   20px;

  /* Shadows */
  --shadow-sm:   0 1px 2px rgba(31, 20, 54, 0.06);
  --shadow-md:   0 1px 3px rgba(31, 20, 54, 0.04), 0 8px 24px rgba(31, 20, 54, 0.04);
  --shadow-lg:   0 2px 6px rgba(31, 20, 54, 0.06), 0 16px 48px rgba(31, 20, 54, 0.08);
  --shadow-cta:  0 1px 2px rgba(94, 46, 144, 0.20), 0 2px 6px rgba(94, 46, 144, 0.10);
  --shadow-cta-hero: 0 4px 16px rgba(94, 46, 144, 0.22);

  /* Legacy aliases — keep old names working */
  --pr:   var(--violet-700);
  --ph:   var(--violet-500);
  --td:   var(--ink);
  --tm:   var(--text-500);
  --tmut: var(--text-400);
  --gold: var(--amber);
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  background-color: var(--bg-base);
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -5%, rgba(155, 81, 206, 0.10) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 100% 80%, rgba(31, 150, 136, 0.05) 0%, transparent 60%),
    linear-gradient(170deg, #FAF8FF 0%, #F7F3FF 50%, #FFF5FB 100%);
}


/* ══════════════════════════════════════════
   LANDING — Nav
   ══════════════════════════════════════════ */

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 60px;
  background: rgba(248,246,254,0.90);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(200,170,230,0.2);
}

.logo { display: flex; align-items: center; gap: 9px; text-decoration: none; }
.logo-text { font-size: 0.9375rem; font-weight: 600; color: var(--ink); letter-spacing: -0.015em; }

.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; }
.nav-links li { display: flex; align-items: center; }
.nav-links a { font-size: 0.8125rem; font-weight: 500; color: var(--text-500); text-decoration: none; padding: 6px 12px; border-radius: 6px; transition: background 0.12s, color 0.12s; }
.nav-links a:hover { background: rgba(94,46,144,0.07); color: var(--violet-700); }

.nav-links .dropdown { position: relative; display: flex; align-items: center; }
.nav-links .dropdown > a { display: flex; align-items: center; gap: 4px; }
.nav-links .drop-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(200,170,230,0.25);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(100,80,160,0.12);
  padding: 6px;
  min-width: 220px;
  z-index: 100;
  margin-top: -8px;
  padding-top: 14px;
}
.nav-links .dropdown:hover .drop-menu { display: block; }
.nav-links .drop-menu a { display: flex; align-items: center; gap: 10px; font-size: 0.775rem; font-weight: 400; color: var(--text-500); text-decoration: none; padding: 8px 12px; border-radius: 7px; white-space: nowrap; transition: background 0.12s, color 0.12s; }
.nav-links .drop-menu a:hover { background: rgba(94,46,144,0.07); color: var(--violet-700); }
.nav-links .drop-menu .drop-icon { width: 26px; height: 26px; border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 13px; flex-shrink: 0; background: rgba(94,46,144,0.08); }

.nav-r { display: flex; align-items: center; gap: 10px; }
.nav-si { font-size: 0.8125rem; font-weight: 500; color: var(--text-500); text-decoration: none; padding: 6px 12px; }


/* ══════════════════════════════════════════
   LANDING — Hero
   ══════════════════════════════════════════ */

.hero {
  max-width: 1160px;
  margin: 0 auto;
  padding: 72px 40px 80px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--violet-500);
  background: rgba(94,46,144,0.07);
  border: 1px solid rgba(94,46,144,0.15);
  padding: 5px 14px 5px 10px;
  border-radius: 20px;
  margin-bottom: 26px;
}
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: #B87AE8; flex-shrink: 0; }

h1 { font-size: clamp(2.2rem, 3.6vw, 3rem); font-weight: 800; line-height: 1.1; letter-spacing: -0.035em; color: var(--ink); margin-bottom: 18px; }
h1 em { font-style: normal; color: var(--violet-700); }

.desc { font-size: 0.9375rem; font-weight: 300; color: var(--text-500); line-height: 1.7; max-width: 440px; margin-bottom: 32px; }

.cta-row { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }

.btn-ms {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--violet-500), var(--violet-700));
  border: none;
  padding: 12px 22px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--shadow-cta-hero);
}

.ms-logo { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; width: 14px; height: 14px; flex-shrink: 0; }
.ms-logo span { display: block; border-radius: 1px; }
.ms-logo span:nth-child(1) { background: #F35325; }
.ms-logo span:nth-child(2) { background: #81BC06; }
.ms-logo span:nth-child(3) { background: #05A6F0; }
.ms-logo span:nth-child(4) { background: #FFBA08; }

.btn-ghost {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-500);
  background: transparent;
  border: 1px solid rgba(180,150,220,0.35);
  padding: 11px 20px;
  border-radius: 20px;
  cursor: pointer;
  text-decoration: none;
}

.perms { font-size: 0.78rem; font-weight: 300; color: var(--text-500); line-height: 1.7; }
.perms a { color: var(--violet-700); font-weight: 500; text-decoration: none; }


/* ══════════════════════════════════════════
   LANDING — Node Canvas
   ══════════════════════════════════════════ */

.canvas-wrap {
  background: rgba(255,255,255,0.65);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(220,190,250,0.35);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(140,80,200,0.09);
}
.canvas { position: relative; height: 298px; overflow: hidden; }
.canvas::before { content: ''; position: absolute; width: 180px; height: 180px; border-radius: 50%; background: radial-gradient(circle, rgba(200,150,255,0.12) 0%, transparent 70%); top: -40px; right: -40px; pointer-events: none; }
.canvas::after  { content: ''; position: absolute; width: 140px; height: 140px; border-radius: 50%; background: radial-gradient(circle, rgba(255,180,230,0.10) 0%, transparent 70%); bottom: -30px; left: 30px; pointer-events: none; }

.edges { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 2; }

.node {
  position: absolute;
  background: rgba(255,255,255,0.90);
  border: 1px solid rgba(210,185,240,0.45);
  border-radius: 14px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 14px;
  box-shadow: 0 2px 12px rgba(140,80,200,0.07);
  min-width: 140px;
  z-index: 3;
}
.node::before, .node::after { content: ''; position: absolute; width: 8px; height: 8px; border-radius: 50%; background: #fff; border: 1.5px solid rgba(180,130,230,0.35); top: 50%; transform: translateY(-50%); }
.node::before { left: -4px; }
.node::after  { right: -4px; }

.ni { width: 28px; height: 28px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 13px; flex-shrink: 0; }
.ni.p { background: rgba(182,131,221,0.10); }
.ni.t { background: rgba(31,150,136,0.10); }
.ni.g { background: rgba(160,140,200,0.08); }
.nl { font-size: 0.72rem; font-weight: 600; color: var(--ink); }
.ns { font-size: 0.62rem; color: var(--text-500); margin-top: 1px; font-weight: 300; }

.node-c {
  position: absolute;
  background: var(--violet-600);
  border: 1.5px solid rgba(255,255,255,0.25);
  border-radius: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  box-shadow: 0 10px 32px rgba(94, 46, 144, 0.25);
  min-width: 152px;
  z-index: 4;
}
.node-c::before, .node-c::after { content: ''; position: absolute; width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.35); border: 1.5px solid rgba(255,255,255,0.55); top: 50%; transform: translateY(-50%); }
.node-c::before { left: -4px; }
.node-c::after  { right: -4px; }

.nci { width: 30px; height: 30px; border-radius: 9px; background: rgba(255,255,255,0.15); display: flex; align-items: center; justify-content: center; font-size: 14px; flex-shrink: 0; }
.ncl { font-size: 0.75rem; font-weight: 700; color: #fff; }
.ncs { font-size: 0.62rem; color: rgba(255,255,255,0.65); margin-top: 1px; font-weight: 300; }

.cbar { display: flex; align-items: center; justify-content: space-between; padding: 9px 18px; border-top: 1px solid rgba(210,185,240,0.3); background: rgba(252,249,255,0.80); }
.cbar-l { font-size: 0.63rem; color: var(--text-500); display: flex; align-items: center; gap: 5px; font-weight: 300; }
.sdot { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); }
.cbar-r { font-size: 0.63rem; color: var(--text-500); font-weight: 300; }


/* ══════════════════════════════════════════
   LANDING — Components
   ══════════════════════════════════════════ */

.divider { height: 1px; background: linear-gradient(to right, transparent, rgba(180,150,220,0.25), transparent); margin: 0 28px; }

.proof-banner {
  margin: 0 28px;
  background: linear-gradient(135deg, rgba(255,235,100,0.12), rgba(255,200,80,0.08));
  border: 1px solid rgba(200,160,40,0.20);
  border-radius: 14px;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.proof-left { display: flex; align-items: center; gap: 12px; }
.proof-text { font-size: 0.8rem; color: var(--ink); line-height: 1.5; }
.proof-text strong { font-weight: 600; }
.proof-text span { font-weight: 300; color: var(--text-500); }
.proof-link {
  font-size: 0.775rem;
  font-weight: 500;
  color: var(--violet-700);
  white-space: nowrap;
  background: rgba(94,46,144,0.07);
  border: 1px solid rgba(94,46,144,0.15);
  padding: 7px 14px;
  border-radius: 20px;
  text-decoration: none;
}

.sec-head { text-align: center; padding: 64px 28px 0; }
.section-label { font-size: 0.68rem; font-weight: 600; letter-spacing: 0.10em; text-transform: uppercase; color: var(--text-500); margin-bottom: 12px; }
.section-title { font-size: clamp(1.4rem, 2.5vw, 1.9rem); font-weight: 700; letter-spacing: -0.025em; color: var(--ink); margin-bottom: 8px; line-height: 1.2; }
.section-sub { font-size: 0.875rem; font-weight: 300; color: var(--text-500); line-height: 1.7; max-width: 480px; margin: 0 auto; }

.features { max-width: 1100px; margin: 0 auto; padding: 0 28px 56px; }
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feat-card { background: rgba(255,255,255,0.60); border: 1px solid rgba(210,185,240,0.35); border-radius: 18px; padding: 28px 24px; box-shadow: 0 4px 20px rgba(140,80,200,0.06); }
.feat-icon { width: 42px; height: 42px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 18px; margin-bottom: 18px; }
.feat-icon.purple  { background: rgba(182,131,221,0.12); }
.feat-icon.teal    { background: rgba(31,150,136,0.12); }
.feat-icon.gold-i  { background: rgba(180,130,30,0.10); }
.feat-title { font-size: 0.875rem; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.feat-desc  { font-size: 0.8rem; font-weight: 300; color: var(--text-500); line-height: 1.7; }

.workflow { max-width: 1100px; margin: 0 auto; padding: 44px 28px 64px; }
.workflow-row { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: start; gap: 0; }
.workflow-arrow { display: flex; align-items: flex-start; padding-top: 52px; padding-left: 8px; padding-right: 8px; }
.workflow-arrow svg { width: 32px; height: 20px; flex-shrink: 0; }

.wstep { display: flex; flex-direction: column; align-items: center; text-align: center; }
.wstep-num { font-size: 0.62rem; font-weight: 700; letter-spacing: 0.10em; text-transform: uppercase; color: var(--text-500); margin-bottom: 14px; }
.wstep-icon { width: 64px; height: 64px; border-radius: 50%; display: flex; align-items: center; justify-content: center; border: 3px solid #fff; box-shadow: 0 4px 20px rgba(140,80,200,0.14); margin-bottom: 20px; overflow: hidden; }
.wstep-icon.purple,
.wstep-icon.violet,
.wstep-icon.gold   { background: linear-gradient(135deg, rgba(153,81,206,0.10), rgba(94,46,144,0.08)); }
.wstep-icon img { width: 44px; height: auto; }

.wstep-card { width: 100%; background: rgba(255,255,255,0.70); border: 1px solid rgba(210,185,240,0.40); border-radius: 18px; padding: 22px 20px 24px; box-shadow: 0 4px 24px rgba(140,80,200,0.07); }
.wstep-card.purple { border-top: 3px solid rgba(153,81,206,0.35); }
.wstep-card.violet { border-top: 3px solid rgba(94,46,144,0.45); }
.wstep-card.gold   { border-top: 3px solid rgba(180,118,26,0.40); }

.wstep-tag { display: inline-block; font-size: 0.6rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 3px 10px; border-radius: 20px; margin-bottom: 10px; }
.wstep-tag.purple { color: var(--violet-500); background: rgba(182,131,221,0.09); border: 1px solid rgba(182,131,221,0.18); }
.wstep-tag.violet { color: var(--violet-700); background: rgba(94,46,144,0.08); border: 1px solid rgba(94,46,144,0.18); }
.wstep-tag.gold   { color: var(--gold); background: rgba(180,118,26,0.08); border: 1px solid rgba(180,118,26,0.18); }

.wstep-title { font-size: 0.875rem; font-weight: 700; color: var(--ink); margin-bottom: 8px; line-height: 1.3; }
.wstep-desc  { font-size: 0.775rem; font-weight: 300; color: var(--text-500); line-height: 1.7; }

.videos { max-width: 1100px; margin: 0 auto; padding: 0 28px 64px; }
.video-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.video-card { background: rgba(255,255,255,0.60); border: 1px solid rgba(210,185,240,0.35); border-radius: 18px; overflow: hidden; box-shadow: 0 4px 20px rgba(140,80,200,0.06); }
.video-wrap { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; }
.video-wrap iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; }
.video-info { padding: 16px 20px; }
.video-tag   { display: inline-block; font-size: 0.62rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--violet-500); background: rgba(182,131,221,0.08); border: 1px solid rgba(182,131,221,0.18); padding: 3px 10px; border-radius: 20px; margin-bottom: 8px; }
.video-title { font-size: 0.85rem; font-weight: 600; color: var(--ink); line-height: 1.4; }
.video-sub   { font-size: 0.75rem; font-weight: 300; color: var(--text-500); margin-top: 4px; }

.bottom-cta {
  margin: 0 28px 40px;
  background: linear-gradient(135deg, rgba(153,81,206,0.08), rgba(94,46,144,0.05));
  border: 1px solid rgba(180,130,230,0.22);
  border-radius: 20px;
  padding: 40px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.bcta-title { font-size: 1.1rem; font-weight: 700; color: var(--ink); letter-spacing: -0.02em; margin-bottom: 6px; }
.bcta-sub   { font-size: 0.8rem; font-weight: 300; color: var(--text-500); line-height: 1.6; }
.bcta-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }


/* ══════════════════════════════════════════
   APP — Variables & Reset
   ══════════════════════════════════════════ */

.app-root {
  --color-primary:        var(--violet-700);
  --color-primary-light:  var(--violet-500);
  --color-teal:           var(--teal);
  --color-gold:           var(--amber);
  --color-gray-dark:      var(--text-500);
  --color-gray-mid:       #b3a7b8;
  --color-gray-purple:    #8C53AB;
  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --weight-light:   300;
  --weight-regular: 400;
  --weight-medium:  500;
  --weight-semi:    600;
  --tracking-wide:  0.06em;
  /* glass, radii, shadows — inherited from :root */

  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 400;
  color: var(--text-500);
  -webkit-font-smoothing: antialiased;
  background:
    radial-gradient(ellipse 80% 60% at 50% -5%, rgba(155, 81, 206, 0.10) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 100% 80%, rgba(31, 150, 136, 0.05) 0%, transparent 60%),
    linear-gradient(170deg, #FAF8FF 0%, #F7F3FF 50%, #FFF5FB 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.app-root *, .app-root *::before, .app-root *::after { box-sizing: border-box; margin: 0; padding: 0; }


/* ══════════════════════════════════════════
   APP — Top Nav
   ══════════════════════════════════════════ */

.app-root .topnav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(220,190,250,0.25);
  padding: 0 32px; height: 60px;
  display: flex; align-items: center; justify-content: space-between;
}
.app-root .nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; cursor: pointer; }
.app-root .nav-logo-mark { width: 32px; height: 32px; background: linear-gradient(135deg, var(--violet-500), var(--violet-700)); border-radius: 9px; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; color: #fff; }
.app-root .nav-logo-text { font-size: 17px; font-weight: var(--weight-medium); color: var(--color-gray-dark); letter-spacing: -0.02em; }
.app-root .nav-logo-text span { color: var(--color-gray-mid); font-weight: var(--weight-light); }
.app-root .nav-links { display: flex; align-items: center; gap: 4px; }
.app-root .nav-link, .app-root a.nav-link {
  font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--text-500);
  padding: 6px 14px; border-radius: var(--radius-pill);
  text-decoration: none; transition: background .2s, color .2s; cursor: pointer;
}
.app-root .nav-link:hover, .app-root a.nav-link:hover { background: rgba(153,81,206,0.07); color: var(--color-primary); }
.app-root .nav-dropdown { position: relative; }
.app-root .nav-link-arrow { display: flex; align-items: center; }
.app-root .dropdown-menu {
  display: none; position: absolute; top: calc(100% + 10px); left: 0;
  background: rgba(255,255,255,0.96); backdrop-filter: blur(20px);
  border: var(--glass-border); border-radius: 14px;
  padding: 8px; min-width: 220px;
  box-shadow: 0 8px 32px rgba(94,46,144,0.10); z-index: 500;
}
.app-root .dropdown-menu.open { display: block; }
.app-root .dropdown-item { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: 10px; text-decoration: none; color: inherit; transition: background .15s; }
.app-root .dropdown-item:hover { background: rgba(153,81,206,0.06); }
.app-root .dropdown-item-icon { width: 32px; height: 32px; border-radius: 8px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.app-root .dropdown-item-label { font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--color-gray-dark); }
.app-root .dropdown-item-sub { font-size: var(--text-xs); color: var(--color-gray-mid); margin-top: 1px; }
.app-root .user-chip { display: flex; align-items: center; gap: 6px; font-size: var(--text-sm); color: var(--color-gray-dark); background: rgba(255,255,255,0.8); border: var(--glass-border); border-radius: var(--radius-pill); padding: 5px 14px 5px 8px; cursor: pointer; transition: background .2s; }
.app-root .user-chip:hover { background: rgba(255,255,255,0.95); }
.app-root .user-avatar { width: 24px; height: 24px; background: var(--violet-600); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 10px; font-weight: 600; color: #fff; overflow: hidden; }
.app-root .user-avatar img { width: 100%; height: 100%; object-fit: cover; }


/* ══════════════════════════════════════════
   APP — Shell & Sidebar
   ══════════════════════════════════════════ */

.app-root .app-shell { display: flex; flex: 1; padding: 20px 20px 20px 0; min-height: calc(100vh - 60px); }

.app-root .sidebar { width: 220px; flex-shrink: 0; padding: 16px 12px; display: flex; flex-direction: column; gap: 2px; }
.app-root .sb-section-label {
  font-size: var(--text-xs); font-weight: var(--weight-semi);
  color: var(--color-gray-mid); text-transform: uppercase;
  letter-spacing: var(--tracking-wide); padding: 10px 10px 4px;
  margin-top: 4px; display: flex; align-items: center; gap: 6px;
}
.app-root .sb-step-number {
  width: 16px; height: 16px; border-radius: 50%;
  background: rgba(153,81,206,0.12); color: var(--color-primary);
  font-size: 9px; font-weight: var(--weight-semi);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.app-root .sb-step-number.done { background: rgba(31,150,136,0.15); color: var(--color-teal); }
.app-root .sb-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: var(--radius-inner);
  cursor: pointer; font-size: var(--text-sm); font-weight: var(--weight-medium);
  color: #7B6A88; transition: all .18s; position: relative;
}
.app-root .sb-item:hover { background: rgba(153,81,206,0.06); color: var(--color-primary); }
.app-root .sb-item.active { background: rgba(153,81,206,0.1); color: var(--color-primary); }
.app-root .sb-item.active::before { content: ''; position: absolute; left: 0; top: 6px; bottom: 6px; width: 3px; background: var(--violet-600); border-radius: 0 3px 3px 0; }
.app-root .sb-icon { width: 18px; height: 18px; flex-shrink: 0; opacity: .7; }
.app-root .sb-icon.filled { stroke: none; fill: currentColor; }
.app-root .sb-item.active .sb-icon, .app-root .sb-item:hover .sb-icon { opacity: 1; }
.app-root .sb-divider { height: 1px; background: rgba(220,190,250,0.2); margin: 6px 10px; }

.app-root .main-content { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.app-root .view { display: none; }
.app-root .view.active { display: flex; flex-direction: column; gap: 20px; }
.app-root .view-header { padding: 28px 32px 0; }
.app-root .view-title { font-size: var(--text-2xl); font-weight: var(--weight-light); color: var(--color-gray-dark); letter-spacing: -0.02em; }
.app-root .view-sub { font-size: var(--text-sm); color: var(--color-gray-mid); margin-top: 4px; line-height: 1.6; }
.app-root .view-spacer { height: 48px; }
.app-root .breadcrumb { padding: 20px 32px 0; display: flex; align-items: center; gap: 8px; font-size: var(--text-sm); color: var(--color-gray-mid); }
.app-root .breadcrumb-link { color: var(--color-primary); cursor: pointer; font-weight: var(--weight-medium); }
.app-root .breadcrumb-link:hover { text-decoration: underline; }
.app-root .breadcrumb-sep { color: var(--color-gray-mid); }
.app-root .breadcrumb-current { color: var(--color-gray-dark); font-weight: var(--weight-medium); }


/* ══════════════════════════════════════════
   APP — Buttons & Banners
   ══════════════════════════════════════════ */

.app-root .btn-primary { display: inline-flex; align-items: center; gap: 8px; background: var(--violet-600); color: #fff; border: none; padding: 10px 24px; border-radius: var(--radius-button); font-size: var(--text-sm); font-weight: var(--weight-medium); font-family: 'Inter',sans-serif; cursor: pointer; box-shadow: var(--shadow-cta); transition: background 0.15s, transform 0.12s; }
.app-root .btn-primary:hover { background: var(--violet-700); transform: translateY(-1px); }
.app-root .btn-secondary { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.7); color: var(--color-gray-dark); border: 1px solid rgba(220,190,250,0.4); padding: 10px 20px; border-radius: var(--radius-pill); font-size: var(--text-sm); font-weight: var(--weight-medium); font-family: 'Inter',sans-serif; cursor: pointer; transition: background .2s; }
.app-root .btn-secondary:hover { background: rgba(153,81,206,0.07); }
.app-root .btn-row { display: flex; gap: 10px; align-items: center; }

.app-root .info-banner { background: rgba(153,81,206,0.05); border: 1px solid rgba(153,81,206,0.18); border-radius: var(--radius-inner); padding: 12px 18px; font-size: var(--text-sm); color: var(--text-500); line-height: 1.6; display: flex; gap: 12px; align-items: flex-start; }
.app-root .info-banner svg { width: 16px; height: 16px; stroke: var(--color-primary); fill: none; stroke-width: 1.5; flex-shrink: 0; margin-top: 1px; }
.app-root .warn-banner { background: rgba(180,118,26,0.07); border: 1px solid rgba(180,118,26,0.2); border-radius: var(--radius-inner); padding: 12px 18px; font-size: var(--text-sm); color: #7a5510; line-height: 1.6; display: flex; gap: 12px; align-items: flex-start; }
.app-root .warn-banner svg { width: 16px; height: 16px; stroke: var(--color-gold); fill: none; stroke-width: 1.5; flex-shrink: 0; margin-top: 1px; }
.app-root .success-banner { background: rgba(31,150,136,0.1); border: 1px solid rgba(31,150,136,0.35); border-radius: var(--radius-inner); padding: 12px 16px; display: flex; align-items: center; gap: 10px; font-size: var(--text-sm); color: var(--color-teal); }
.app-root .success-banner svg { width: 16px; height: 16px; stroke: var(--color-teal); fill: none; stroke-width: 2; flex-shrink: 0; }


/* ══════════════════════════════════════════
   APP — Views
   ══════════════════════════════════════════ */

/* Notebook Setup */
.app-root .setup-paths { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 0 32px; }
.app-root .setup-path-card { background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); border: var(--glass-border); border-radius: var(--radius-card); padding: 28px 28px 24px; cursor: pointer; transition: all .2s; position: relative; overflow: hidden; }
.app-root .setup-path-card:hover { transform: translateY(-3px); border-color: rgba(153,81,206,0.5); background: rgba(255,255,255,0.88); }
.app-root .setup-path-card.recommended { border-color: rgba(153,81,206,0.4); }
.app-root .setup-path-icon { width: 48px; height: 48px; border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.app-root .setup-path-title { font-size: var(--text-lg); font-weight: var(--weight-medium); color: var(--color-gray-dark); margin-bottom: 6px; letter-spacing: -0.01em; }
.app-root .setup-path-desc { font-size: var(--text-sm); color: var(--color-gray-mid); line-height: 1.6; margin-bottom: 18px; }
.app-root .setup-path-steps { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.app-root .setup-path-step { display: flex; align-items: center; gap: 8px; font-size: var(--text-xs); color: var(--color-gray-mid); }
.app-root .setup-path-step-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--color-gray-mid); flex-shrink: 0; }
.app-root .setup-rec-badge { position: absolute; top: 16px; right: 16px; font-size: 10px; font-weight: var(--weight-semi); background: rgba(153,81,206,0.12); color: var(--color-primary); padding: 3px 10px; border-radius: var(--radius-pill); letter-spacing: .04em; text-transform: uppercase; }
.app-root .setup-steps-list { margin: 0 32px; display: flex; flex-direction: column; gap: 12px; }
.app-root .setup-step-item { background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); border: var(--glass-border); border-radius: var(--radius-card); overflow: hidden; }
.app-root .setup-step-header { display: flex; align-items: center; gap: 16px; padding: 18px 24px; cursor: pointer; transition: background .15s; }
.app-root .setup-step-header:hover { background: rgba(153,81,206,0.04); }
.app-root .setup-step-num { width: 32px; height: 32px; border-radius: 50%; background: rgba(153,81,206,0.1); color: var(--color-primary); font-size: var(--text-sm); font-weight: var(--weight-semi); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.app-root .setup-step-num.done { background: rgba(31,150,136,0.15); color: var(--color-teal); }
.app-root .setup-step-title { font-size: var(--text-base); font-weight: var(--weight-medium); color: var(--color-gray-dark); }
.app-root .setup-step-sub { font-size: var(--text-xs); color: var(--color-gray-mid); margin-top: 2px; }
.app-root .setup-step-chevron { margin-left: auto; color: var(--color-gray-mid); font-size: 12px; transition: transform .2s; }
.app-root .setup-step-body { display: none; padding: 16px 24px 20px 72px; border-top: 1px solid rgba(220,190,250,0.15); }
.app-root .setup-step-body.open { display: block; }

/* Timeline Stepper */
.app-root .timeline-container { margin: 0 32px; }
.app-root .timeline-card { background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); border: var(--glass-border); border-radius: var(--radius-card); padding: 32px 36px; }
.app-root .timeline-steps { display: flex; align-items: flex-start; justify-content: center; margin-bottom: 32px; }
.app-root .timeline-step { display: flex; flex-direction: column; align-items: center; gap: 8px; flex: 1; max-width: 130px; cursor: pointer; position: relative; z-index: 1; transition: transform .15s; }
.app-root .timeline-step:hover:not(.locked) { transform: translateY(-2px); }
.app-root .timeline-step.locked { cursor: default; opacity: .4; pointer-events: none; }
.app-root .step-circle { width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center; border: 2px solid rgba(220,190,250,0.3); background: rgba(255,255,255,0.8); transition: all .25s; }
.app-root .step-circle svg { width: 19px; height: 19px; stroke-width: 1.5; fill: none; stroke: var(--color-gray-mid); transition: stroke .25s; }
.app-root .timeline-step.done .step-circle { background: rgba(31,150,136,0.12); border-color: var(--color-teal); }
.app-root .timeline-step.done .step-circle svg { stroke: var(--color-teal); }
.app-root .timeline-step.active .step-circle { background: rgba(153,81,206,0.12); border-color: var(--color-primary); box-shadow: 0 0 0 5px rgba(153,81,206,0.1); }
.app-root .timeline-step.active .step-circle svg { stroke: var(--color-primary); }
.app-root .step-label { font-size: 10px; font-weight: var(--weight-semi); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--violet-700); text-align: center; }
.app-root .timeline-step.done .step-label { color: var(--color-teal); }
.app-root .timeline-step.active .step-label { color: var(--color-primary); }
.app-root .step-sublabel { font-size: var(--text-xs); color: var(--color-gray-mid); text-align: center; margin-top: -4px; font-style: italic; font-weight: var(--weight-light); }
.app-root .timeline-step.done .step-sublabel { color: var(--color-teal); opacity: .7; }
.app-root .timeline-step.active .step-sublabel { color: var(--violet-500); opacity: .7; }
@keyframes step-available-pulse {
  0%, 100% { box-shadow: 0 0 0 0px rgba(153,81,206,0.12); }
  50%       { box-shadow: 0 0 0 6px rgba(153,81,206,0.06); }
}
.app-root .timeline-step.available .step-circle { border: 2px dashed var(--color-primary); background: rgba(153,81,206,0.05); animation: step-available-pulse 2s ease-in-out infinite; }
.app-root .timeline-step.available .step-circle svg { stroke: var(--color-primary); opacity: .7; }
.app-root .timeline-step.available .step-label { color: var(--color-primary); opacity: .85; }
.app-root .timeline-step.available .step-sublabel { color: var(--violet-500); }
.app-root .step-line { flex: 1; height: 2px; background: rgba(220,190,250,0.25); margin-top: 23px; border-radius: 2px; overflow: hidden; z-index: 0; }
.app-root .step-line-fill { height: 100%; width: 0; background: linear-gradient(90deg,var(--color-teal),rgba(153,81,206,0.4)); border-radius: 2px; transition: width .4s ease; }
.app-root .step-line.filled .step-line-fill { width: 100%; }
.app-root .step-panel { border-top: 1px solid rgba(220,190,250,0.2); padding-top: 26px; display: none; }
.app-root .step-panel.active { display: block; }
.app-root .step-panel-title { font-size: var(--text-xl); font-weight: var(--weight-light); color: var(--color-gray-dark); letter-spacing: -0.01em; margin-bottom: 4px; }
.app-root .step-panel-desc { font-size: var(--text-sm); color: var(--color-gray-mid); line-height: 1.6; margin-bottom: 18px; }
.app-root .mock-select { width: 100%; max-width: 440px; background: rgba(255,255,255,0.9); border: 1px solid rgba(220,190,250,0.4); border-radius: var(--radius-inner); padding: 11px 16px; font-size: var(--text-sm); display: flex; align-items: center; justify-content: space-between; cursor: pointer; margin-bottom: 16px; font-family: 'Inter',sans-serif; transition: border-color .2s; }
.app-root .mock-select:hover { border-color: rgba(153,81,206,0.5); }
.app-root .check-row { display: flex; align-items: flex-start; gap: 10px; padding: 9px 0; border-bottom: 1px solid rgba(220,190,250,0.12); font-size: var(--text-sm); color: var(--color-gray-dark); }
.app-root .check-row:last-child { border-bottom: none; }
.app-root .check-row input { accent-color: var(--color-primary); width: 15px; height: 15px; margin-top: 2px; flex-shrink: 0; }
.app-root .check-desc { font-size: var(--text-xs); color: var(--color-gray-mid); margin-top: 2px; }
.app-root .info-row { display: flex; align-items: flex-start; gap: 10px; padding: 9px 0; border-bottom: 1px solid rgba(220,190,250,0.12); font-size: var(--text-sm); color: var(--color-gray-dark); }
.app-root .info-row svg { flex-shrink: 0; margin-top: 2px; color: var(--teal); }
.app-root .tip { position: relative; cursor: help; text-decoration: underline dashed; text-underline-offset: 3px; }
.app-root .tip::after { content: attr(data-tip); position: absolute; bottom: calc(100% + 6px); left: 50%; transform: translateX(-50%); background: var(--ink); color: #fff; font-size: 11px; line-height: 1.5; padding: 7px 10px; border-radius: 8px; width: 220px; white-space: normal; pointer-events: none; opacity: 0; transition: opacity .15s; z-index: 10; }
.app-root .tip:hover::after { opacity: 1; }

/* Destination cards */
.app-root .dest-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
.app-root .dest-card { background: rgba(255,255,255,0.75); border: 1px solid rgba(220,190,250,0.3); border-radius: var(--radius-inner); padding: 14px 16px; display: flex; align-items: center; gap: 12px; cursor: pointer; transition: all .18s; }
.app-root .dest-card:hover { border-color: rgba(153,81,206,0.5); background: rgba(255,255,255,0.9); }
.app-root .dest-card.sel { border-color: var(--color-primary); background: rgba(153,81,206,0.06); }
.app-root .dest-icon { width: 36px; height: 36px; border-radius: 9px; flex-shrink: 0; background: rgba(153,81,206,0.1); display: flex; align-items: center; justify-content: center; }
.app-root .dest-icon svg { width: 18px; height: 18px; stroke: var(--color-primary); fill: none; stroke-width: 1.5; }
.app-root .dest-icon.teal { background: rgba(31,150,136,0.1); } .app-root .dest-icon.teal svg { stroke: var(--color-teal); }
.app-root .dest-icon.neutral { background: rgba(179,167,184,0.12); } .app-root .dest-icon.neutral svg { stroke: var(--color-gray-mid); }
.app-root .dest-icon.dark { background: rgba(77,67,81,0.1); } .app-root .dest-icon.dark svg { stroke: var(--color-gray-dark); }
.app-root .dest-label { font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--color-gray-dark); }
.app-root .dest-desc { font-size: var(--text-xs); color: var(--color-gray-mid); margin-top: 1px; }

/* Tools */
.app-root .tools-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(240px,1fr)); gap: 16px; margin: 0 32px; }
.app-root .tool-card { background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); border: var(--glass-border); border-radius: var(--radius-card); padding: 24px; cursor: pointer; transition: all .2s; position: relative; }
.app-root .tool-card:hover:not(.soon) { border-color: rgba(153,81,206,0.55); background: rgba(255,255,255,0.85); transform: translateY(-2px); }
.app-root .tool-card.soon { opacity: .5; pointer-events: none; }
.app-root .tool-icon { width: 42px; height: 42px; border-radius: 12px; background: rgba(153,81,206,0.1); display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.app-root .tool-icon svg { width: 20px; height: 20px; stroke: var(--color-primary); fill: none; stroke-width: 1.5; }
.app-root .tool-icon.teal { background: rgba(31,150,136,0.1); } .app-root .tool-icon.teal svg { stroke: var(--color-teal); }
.app-root .tool-icon.gold { background: rgba(180,118,26,0.1); } .app-root .tool-icon.gold svg { stroke: var(--color-gold); }
.app-root .tool-icon.filled svg { stroke: none; fill: var(--color-primary); }
.app-root .tool-icon.teal.filled svg { stroke: none; fill: var(--color-teal); }
.app-root .tool-icon.gold.filled svg { stroke: none; fill: var(--color-gold); }
.app-root .tool-name { font-size: var(--text-base); font-weight: var(--weight-medium); color: var(--color-gray-dark); margin-bottom: 6px; }
.app-root .tool-desc { font-size: var(--text-sm); color: var(--color-gray-mid); line-height: 1.5; }
.app-root .badge-pill { display: inline-block; font-size: 10px; font-weight: var(--weight-semi); letter-spacing: .05em; text-transform: uppercase; padding: 2px 10px; border-radius: var(--radius-pill); position: absolute; top: 14px; right: 14px; }
.app-root .badge-active { background: rgba(153,81,206,0.12); color: var(--color-primary); }
.app-root .badge-soon { background: rgba(179,167,184,0.15); color: var(--color-gray-mid); }
.app-root .badge-ext { background: rgba(31,150,136,0.12); color: var(--color-teal); }

/* ── Converter Tools (label-converter / filename-converter) ── */
.app-root .converter-input-area { display: flex; flex-direction: column; gap: 12px; }
.app-root .converter-textarea { width: 100%; padding: 12px 14px; border: 1px solid rgba(220,190,250,0.4); border-radius: var(--radius-inner); font-size: var(--text-sm); font-family: 'Inter', sans-serif; background: rgba(255,255,255,0.8); color: var(--color-gray-dark); resize: vertical; box-sizing: border-box; outline: none; transition: border-color .15s; }
.app-root .converter-textarea:focus { border-color: rgba(153,81,206,0.5); }
.app-root .converter-step { background: var(--glass-bg); border: var(--glass-border); border-left: 3px solid var(--color-gold); border-radius: var(--radius-inner); padding: 12px 16px; margin-top: 12px; }
.app-root .converter-step-label { font-size: var(--text-xs); font-weight: var(--weight-medium); color: var(--color-gray-mid); margin-bottom: 6px; text-transform: uppercase; letter-spacing: .04em; }
.app-root .converter-step-result { font-family: 'Courier New', monospace; font-size: var(--text-sm); color: var(--color-gray-dark); background: rgba(255,255,255,0.7); padding: 8px 12px; border-radius: 6px; word-break: break-all; }
.app-root .converter-final { background: rgba(31,150,136,0.07); border: 1px solid rgba(31,150,136,0.3); border-radius: var(--radius-inner); padding: 16px; margin-top: 12px; position: relative; margin-bottom: 4px; }
.app-root .converter-final-label { font-size: var(--text-xs); font-weight: var(--weight-semi); color: var(--color-teal); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 8px; }
.app-root .converter-final-value { font-family: 'Courier New', monospace; font-size: var(--text-sm); color: var(--color-gray-dark); word-break: break-all; padding-right: 90px; }
.app-root .converter-copy-btn { position: absolute; top: 14px; right: 14px; font-size: var(--text-xs); padding: 5px 14px; border-radius: var(--radius-pill); }

/* DDS */
.app-root .dds-body { margin: 0 32px; display: flex; flex-direction: column; gap: 16px; }
.app-root .dds-section { padding: 20px 24px; background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); border: var(--glass-border); border-radius: var(--radius-card); overflow: hidden; }
.app-root .dds-section--full { }
.app-root .dds-section--right { }
.app-root .dds-textarea { width: 100%; box-sizing: border-box; margin-top: 10px; border: 1px solid rgba(180,150,230,0.45); border-radius: 6px; padding: 8px 10px; font-size: var(--text-xs); font-family: 'Courier New', monospace; color: var(--color-gray-dark); background: rgba(255,255,255,0.85); resize: vertical; outline: none; min-height: 72px; transition: border-color .15s; }
.app-root .dds-textarea:focus { border-color: rgba(153,81,206,0.6); }
.app-root .dds-level-table { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: var(--text-xs); }
.app-root .dds-level-table th { font-size: 10px; font-weight: var(--weight-semi); color: var(--color-gray-mid); padding: 4px 8px 6px; text-align: left; border-bottom: 1px solid rgba(180,150,230,0.3); }
.app-root .dds-level-table td { padding: 3px 4px; vertical-align: middle; }
.app-root .dds-level-table td:first-child { font-size: 10px; font-family: 'Courier New', monospace; color: var(--color-gray-mid); padding: 3px 12px 3px 0; white-space: nowrap; }
.app-root .dds-level-table input[type="text"] { width: 100%; box-sizing: border-box; border: 1px solid rgba(180,150,230,0.4); border-radius: 4px; padding: 4px 8px; font-size: var(--text-xs); font-family: 'Courier New', monospace; color: var(--color-gray-dark); background: rgba(255,255,255,0.85); outline: none; transition: border-color .15s; }
.app-root .dds-level-table input[type="text"]:focus { border-color: rgba(153,81,206,0.6); }
.app-root .dds-section-label { font-size: var(--text-xs); font-weight: var(--weight-semi); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--violet-700); display: flex; align-items: center; gap: 6px; margin: -20px -24px 16px; padding: 14px 24px; border-bottom: 1px solid rgba(220,190,250,0.18); }
.app-root .dds-section-label svg { width: 13px; height: 13px; stroke: var(--violet-700); fill: none; stroke-width: 2; }
.app-root .dds-row { display: flex; align-items: center; justify-content: space-between; padding: 9px 0; border-bottom: 1px solid rgba(200,175,240,0.2); gap: 12px; }
.app-root .dds-row:last-child { border-bottom: none; }
.app-root .dds-row-label { font-size: var(--text-sm); color: var(--color-gray-dark); font-weight: var(--weight-medium); }
.app-root .dds-quick-setup { border: 1px solid rgba(147,51,200,0.13); border-radius: 10px; padding: 0 12px 10px; margin: 6px 0; }
.app-root .dds-quick-setup-top { background: rgba(147,51,200,0.06); margin: 0 -12px; padding: 0 12px 8px; border-bottom: 1px solid rgba(147,51,200,0.13); margin-bottom: 6px; border-radius: 9px 9px 0 0; }
.app-root .dds-quick-setup-header { font-size: 10px; text-transform: uppercase; letter-spacing: 0.07em; color: rgba(147,51,200,0.55); font-weight: 600; padding: 8px 0 4px; }
.app-root .dds-quick-setup-divider { display: none; }
.app-root .dds-row.dds-row--helper { border-bottom: none; background: none; }
.app-root .dds-row.collapsible { overflow: hidden; max-height: 60px; opacity: 1; transition: max-height 0.25s ease, opacity 0.2s ease; }
.app-root .dds-row.collapsible.collapsed { max-height: 0; opacity: 0; pointer-events: none; }
.app-root .dds-info { position: relative; display: inline-flex; align-items: center; margin-left: 5px; vertical-align: middle; color: var(--color-primary); opacity: 0.6; cursor: help; }
.app-root .dds-info:hover { opacity: 1; }
.dds-info__tip { display: none; position: fixed; width: 260px; background: rgba(255,255,255,0.97); backdrop-filter: blur(12px); border: 1px solid rgba(147,51,200,0.2); border-radius: 10px; padding: 10px 13px; font-size: 11.5px; line-height: 1.55; color: #444; box-shadow: 0 6px 24px rgba(94,46,144,0.13); z-index: 9999; pointer-events: none; font-weight: 400; font-family: 'Inter', sans-serif; }
.app-root .chip-group { display: flex; gap: 5px; }
.app-root .chip { font-size: 11px; padding: 3px 10px; border-radius: var(--radius-pill); border: 1px solid rgba(220,190,250,0.35); color: var(--color-gray-mid); background: rgba(255,255,255,0.6); cursor: pointer; transition: all .15s; font-family: 'Inter',sans-serif; }
.app-root .chip:hover { border-color: rgba(153,81,206,0.4); color: var(--color-primary); }
.app-root .chip.sel { background: rgba(153,81,206,0.12); border-color: rgba(153,81,206,0.5); color: var(--color-primary); font-weight: var(--weight-medium); }
.app-root .toggle { width: 34px; height: 20px; background: rgba(220,190,250,0.3); border-radius: 10px; position: relative; cursor: pointer; transition: background .2s; flex-shrink: 0; }
.app-root .toggle::after { content: ''; width: 16px; height: 16px; background: #fff; border-radius: 50%; position: absolute; top: 2px; left: 2px; transition: left .2s; box-shadow: 0 1px 3px rgba(0,0,0,0.15); }
.app-root .toggle.on { background: var(--color-primary); }
.app-root .toggle.on::after { left: 16px; }

/* DDS action buttons & bars */
.app-root .dds-section-actions { display: flex; align-items: center; justify-content: flex-end; gap: 5px; padding-top: 10px; margin-top: 8px; border-top: 1px solid rgba(220,190,250,0.15); }
.app-root .dds-row-actions { display: flex; align-items: center; gap: 4px; flex-shrink: 0; margin-left: auto; }
.app-root .dds-row--area { flex-direction: column; align-items: stretch; justify-content: flex-start; }
.app-root .dds-textarea-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 2px; }
.app-root .dds-row--area > .dds-textarea { margin-top: 4px; }
.app-root .dds-row--area > .dds-level-table { margin-top: 4px; }
.app-root .dds-advanced-wrap { display: flex; flex-direction: column; }
.app-root .dds-advanced-row { cursor: pointer; user-select: none; }
.app-root .dds-adv-chevron { flex-shrink: 0; transition: transform 0.2s; color: var(--color-gray-mid); }
.app-root .dds-advanced-wrap.open .dds-adv-chevron { transform: rotate(90deg); }
.app-root .dds-advanced-wrap .dds-level-table { display: none; margin-top: 4px; }
.app-root .dds-advanced-wrap.open .dds-level-table { display: table; }
.app-root .dds-action-btn { display: flex; align-items: center; justify-content: center; width: 26px; height: 26px; border-radius: 6px; border: 1px solid rgba(220,190,250,0.3); background: rgba(255,255,255,0.5); cursor: pointer; transition: all .15s; color: var(--color-gray-mid); padding: 0; flex-shrink: 0; }
.app-root .dds-action-btn svg { pointer-events: none; }
.app-root .dds-action-btn:hover { border-color: rgba(153,81,206,0.35); color: var(--color-primary); background: rgba(153,81,206,0.06); }
.app-root .dds-action-btn.save:hover { border-color: var(--color-teal); color: var(--color-teal); background: rgba(31,150,136,0.08); }
.app-root .dds-action-bar { margin: 0 32px; display: flex; align-items: center; gap: 6px; padding: 10px 16px; background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); border: var(--glass-border); border-radius: var(--radius-card); }
.app-root .dds-action-bar .dds-action-btn { width: 28px; height: 28px; }
.app-root .dds-action-bar .dds-action-btn--labeled { width: auto; padding: 0 10px; gap: 5px; font-size: var(--text-xs); font-family: 'Inter', sans-serif; }
.app-root .dds-action-bar-label { font-size: var(--text-xs); color: var(--color-gray-mid); margin-right: auto; }
.app-root .dds-import-wrap { margin: 0 32px; border-radius: var(--radius-card); border: var(--glass-border); background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); overflow: hidden; }
.app-root .dds-import-header { display: flex; align-items: center; gap: 8px; padding: 10px 16px; cursor: pointer; user-select: none; font-size: var(--text-xs); color: var(--color-gray-mid); }
.app-root .dds-import-header:hover { background: rgba(255,255,255,0.35); }
.app-root .dds-import-header .dds-adv-chevron { flex-shrink: 0; transition: transform 0.2s; }
.app-root .dds-import-wrap.open .dds-import-header .dds-adv-chevron { transform: rotate(90deg); }
.app-root .dds-import-body { display: none; padding: 0 16px 14px; flex-direction: column; gap: 8px; }
.app-root .dds-import-wrap.open .dds-import-body { display: flex; }
.app-root .dds-import-textarea { width: 100%; box-sizing: border-box; font-family: 'Courier New', monospace; font-size: 11px; padding: 8px 10px; border: 1px solid rgba(180,150,230,0.5); border-radius: 6px; background: rgba(255,255,255,0.85); resize: vertical; color: var(--color-text); outline: none; transition: border-color .15s; }
.app-root .dds-import-textarea:focus { border-color: rgba(153,81,206,0.6); }
.app-root .dds-import-actions { display: flex; gap: 6px; justify-content: flex-end; }
.app-root .dds-import-actions .dds-action-btn--labeled { width: auto; padding: 0 10px; gap: 5px; font-size: var(--text-xs); font-family: 'Inter', sans-serif; }
.app-root .dds-select { border: 1px solid rgba(180,150,230,0.5); border-radius: 6px; padding: 5px 9px; font-size: var(--text-sm); font-family: 'Inter', sans-serif; color: var(--color-gray-dark); background: rgba(255,255,255,0.85); outline: none; cursor: pointer; transition: border-color .15s; }
.app-root .dds-select:focus { border-color: rgba(153,81,206,0.6); }
.app-root .dds-result-field { flex: 1; min-width: 0; border: 1px solid rgba(180,150,230,0.5); border-radius: 6px; padding: 5px 10px; font-size: var(--text-xs); font-family: 'Courier New', monospace; color: var(--color-gray-dark); background: rgba(255,255,255,0.85); outline: none; transition: border-color .15s; }
.app-root .dds-result-field:focus { border-color: rgba(153,81,206,0.6); }

/* Combine */
.app-root .combine-row { display: flex; align-items: center; gap: 14px; padding: 13px 24px; border-bottom: 1px solid rgba(220,190,250,0.1); transition: background .15s; }
.app-root .combine-row:last-child { border-bottom: none; }
.app-root .combine-row.selected { background: rgba(153,81,206,0.03); }
.app-root .combine-drag { color: var(--color-gray-mid); font-size: 16px; cursor: grab; user-select: none; letter-spacing: -2px; }
.app-root .combine-info { flex: 1; min-width: 0; }
.app-root .combine-name { font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--color-gray-dark); }
.app-root .combine-meta { font-size: var(--text-xs); color: var(--color-gray-mid); margin-top: 2px; }
.app-root .combine-order { width: 24px; height: 24px; border-radius: 50%; background: rgba(153,81,206,0.12); color: var(--color-primary); font-size: 11px; font-weight: var(--weight-semi); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }

/* Settings */
.app-root .settings-wrap { margin: 0 32px; display: flex; flex-direction: column; gap: 16px; }
.app-root .settings-group { background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); border: var(--glass-border); border-radius: var(--radius-card); overflow: hidden; }
.app-root .settings-group-header { padding: 14px 24px; border-bottom: 1px solid rgba(220,190,250,0.18); font-size: var(--text-xs); font-weight: var(--weight-semi); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--violet-700); }
.app-root .settings-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 24px; border-bottom: 1px solid rgba(220,190,250,0.1); }
.app-root .settings-row:last-child { border-bottom: none; }
.app-root .settings-row-label { font-size: var(--text-sm); color: var(--color-gray-dark); }
.app-root .settings-row-value { font-size: var(--text-sm); color: var(--color-gray-mid); }
.app-root .settings-row-value.ok { color: var(--color-teal); }


/* ══════════════════════════════════════════
   APP — Setup Wizard (Build from Scratch)
   ══════════════════════════════════════════ */

/* Page-type badges (%[N], %[W]) */
.app-root .setup-badge { display: inline-flex; align-items: center; justify-content: center; font-size: 10px; font-weight: var(--weight-semi); letter-spacing: .03em; padding: 1px 7px; border-radius: 4px; flex-shrink: 0; }
.app-root .setup-badge--n { background: rgba(153,81,206,0.12); color: var(--color-primary); border: 1px solid rgba(153,81,206,0.2); }
.app-root .setup-badge--w { background: rgba(31,150,136,0.1); color: var(--color-teal); border: 1px solid rgba(31,150,136,0.2); }

/* Notebook structure preview */
.app-root .setup-preview { display: flex; flex-direction: column; gap: 4px; margin-bottom: 14px; }
.app-root .setup-preview-item { display: flex; align-items: center; gap: 10px; padding: 6px 10px; border-radius: 7px; background: rgba(255,255,255,0.5); border: 1px solid rgba(220,190,250,0.2); }
.app-root .setup-preview-item--chapter { padding-left: 44px; }
.app-root .setup-preview-item--dim { opacity: .5; }
.app-root .setup-preview-page { font-size: var(--text-sm); color: var(--color-gray-dark); font-weight: var(--weight-medium); }
.app-root .setup-preview-hint { font-size: var(--text-xs); color: var(--color-gray-mid); margin-left: auto; }
.app-root .setup-badge-legend { display: flex; gap: 16px; font-size: var(--text-xs); color: var(--color-gray-mid); flex-wrap: wrap; }
.app-root .setup-badge-legend span { display: flex; align-items: center; gap: 5px; }

/* Initialization copy block */
.app-root .setup-copy-block { display: flex; flex-direction: column; gap: 8px; }
.app-root .setup-copy-row { display: flex; align-items: center; gap: 12px; background: rgba(255,255,255,0.6); border: 1px solid rgba(220,190,250,0.3); border-radius: var(--radius-inner); padding: 12px 14px; flex-wrap: wrap; }
.app-root .setup-copy-label { display: flex; align-items: center; gap: 10px; min-width: 140px; flex-shrink: 0; }
.app-root .setup-copy-code { font-family: 'Courier New', monospace; font-size: var(--text-xs); color: var(--color-primary); background: rgba(153,81,206,0.08); padding: 3px 8px; border-radius: 4px; flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.app-root .setup-copy-btn { display: flex; align-items: center; gap: 5px; flex-shrink: 0; font-size: var(--text-xs); padding: 6px 14px; }
.app-root .setup-link { color: var(--color-primary); cursor: pointer; text-decoration: none; font-size: inherit; background: none; border: none; padding: 0; font-family: inherit; }
.app-root .setup-link:hover { text-decoration: underline; }

/* ══════════════════════════════════════════
   APP — LaTeX Modules Tool
   ══════════════════════════════════════════ */

.app-root .lm-section { display: flex; flex-direction: column; gap: 12px; }
.app-root .lm-section-label { font-size: var(--text-xs); font-weight: var(--weight-semi); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--violet-700); padding-bottom: 6px; border-bottom: 1px solid rgba(220,190,250,0.3); }
.app-root .lm-cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.app-root .lm-card { background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur); border: var(--glass-border); border-radius: var(--radius-card); padding: 20px 20px 16px; display: flex; flex-direction: column; gap: 8px; }
.app-root .lm-card-name { font-size: var(--text-sm); font-weight: var(--weight-medium); color: var(--color-gray-dark); }
.app-root .lm-card-desc { font-size: var(--text-xs); color: var(--color-gray-mid); line-height: 1.55; flex: 1; }
.app-root .lm-card-actions { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 4px; }
.app-root .lm-copy-btn { display: flex; align-items: center; gap: 5px; font-size: var(--text-xs); padding: 5px 12px; border-radius: var(--radius-pill); }

/* ══════════════════════════════════════════
   APP — Template Manager
   ══════════════════════════════════════════ */

.app-root .tpl-mgr { display: flex; flex-direction: column; gap: 20px; }

.app-root .tpl-mgr__filters {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 0 32px;
}
.app-root .tpl-mgr__search-box { position: relative; flex: 1; min-width: 200px; max-width: 300px; }
.app-root .tpl-mgr__search-input {
  width: 100%; padding: 9px 16px 9px 36px;
  background: rgba(255,255,255,0.75); border: 1px solid rgba(220,190,250,0.35);
  border-radius: var(--radius-pill); font-family: 'Inter',sans-serif;
  font-size: var(--text-sm); color: var(--color-gray-dark); outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.app-root .tpl-mgr__search-input::placeholder { color: var(--color-gray-mid); }
.app-root .tpl-mgr__search-input:focus {
  border-color: rgba(153,81,206,0.4);
  box-shadow: 0 0 0 3px rgba(153,81,206,0.08);
}
.app-root .tpl-mgr__search-icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  font-size: 13px; pointer-events: none;
}
.app-root .tpl-mgr__chips { display: flex; gap: 8px; flex-wrap: wrap; }
.app-root .tpl-mgr__chip {
  padding: 5px 16px; border-radius: var(--radius-pill);
  font-size: var(--text-sm); font-weight: var(--weight-medium);
  cursor: pointer; border: 1px solid rgba(220,190,250,0.35);
  background: rgba(255,255,255,0.65); color: #7B6A88;
  font-family: 'Inter',sans-serif; transition: all .18s;
}
.app-root .tpl-mgr__chip:hover { border-color: rgba(153,81,206,0.35); color: var(--color-primary); background: rgba(153,81,206,0.05); }
.app-root .tpl-mgr__chip.active { background: var(--violet-600); border-color: transparent; color: #fff; }

.app-root .tpl-mgr__grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px; padding: 0 32px;
}

.app-root .tpl-mgr__card {
  background: rgba(255,255,255,0.65); backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px); border: 1px solid rgba(220,190,250,0.35);
  border-radius: var(--radius-card); overflow: hidden;
  box-shadow: 0 4px 32px rgba(94,46,144,0.08);
  transition: transform .22s, box-shadow .22s;
  display: flex; flex-direction: column;
}
.app-root .tpl-mgr__card:hover { transform: translateY(-4px); box-shadow: 0 8px 48px rgba(94,46,144,0.15); }

.app-root .tpl-mgr__thumb {
  height: 136px; display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
}
.app-root .tpl-mgr__thumb-icon { font-size: 44px; position: relative; z-index: 1; }
.app-root .tpl-mgr__thumb-bg { position: absolute; inset: 0; opacity: .12; }
.app-root .tpl-mgr__category {
  position: absolute; top: 10px; left: 10px;
  padding: 2px 10px; border-radius: var(--radius-pill);
  font-size: var(--text-xs); font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide); text-transform: uppercase;
  background: rgba(255,255,255,0.85); color: var(--color-gray-purple);
  border: 1px solid rgba(140,83,171,0.2);
}
.app-root .tpl-mgr__body { padding: 18px 22px 14px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.app-root .tpl-mgr__title { font-size: var(--text-lg); font-weight: var(--weight-medium); color: var(--color-gray-dark); line-height: 1.4; }
.app-root .tpl-mgr__desc { font-size: var(--text-sm); color: #7B6A88; line-height: 1.6; flex: 1; }
.app-root .tpl-mgr__meta { display: flex; gap: 14px; margin-top: 4px; }
.app-root .tpl-mgr__meta-item { display: flex; align-items: center; gap: 4px; font-size: var(--text-xs); color: var(--color-gray-mid); }

.app-root .tpl-mgr__preview-btn { position: absolute; bottom: 10px; right: 10px; z-index: 2; display: flex; align-items: center; gap: 5px; padding: 5px 10px; background: rgba(255,255,255,0.85); backdrop-filter: blur(8px); border: none; border-radius: 20px; font-size: 11.5px; font-weight: 600; color: #5a2d9c; cursor: pointer; box-shadow: 0 2px 8px rgba(0,0,0,0.12); transition: background 0.15s, transform 0.15s; }
.app-root .tpl-mgr__preview-btn:hover { background: #fff; transform: scale(1.04); }

/* Preview Dialog */
.tpl-mgr__prev-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.45); z-index: 9999; display: flex; align-items: center; justify-content: center; padding: 24px; }
.tpl-mgr__prev-dialog { background: #fff; border-radius: 16px; width: 100%; max-width: 520px; max-height: 80vh; display: flex; flex-direction: column; box-shadow: 0 20px 60px rgba(0,0,0,0.25); overflow: hidden; }
.tpl-mgr__prev-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid #ede8f5; font-weight: 600; font-size: 14px; color: #3d1f6e; }
.tpl-mgr__prev-close { background: none; border: none; cursor: pointer; font-size: 16px; color: #888; line-height: 1; padding: 2px 6px; border-radius: 6px; }
.tpl-mgr__prev-close:hover { background: #f0e8ff; color: #5a2d9c; }
.tpl-mgr__prev-body { overflow-y: auto; padding: 16px 20px; display: flex; flex-direction: column; gap: 12px; }
.tpl-mgr__prev-section { border-left: 3px solid #c084fc; padding-left: 12px; }
.tpl-mgr__prev-sname { font-size: 13px; color: #3d1f6e; margin-bottom: 4px; }
.tpl-mgr__prev-count { font-weight: 400; color: #9B7BB0; font-size: 12px; }
.tpl-mgr__prev-page { font-size: 11.5px; color: #6B4E8A; line-height: 1.8; padding-left: 8px; }

.app-root .tpl-mgr__actions { padding: 0 22px 18px; display: flex; gap: 8px; align-items: center; }
.app-root .tpl-mgr__btn-ghost {
  display: flex; align-items: center; justify-content: center; gap: 5px;
  padding: 8px 12px; background: rgba(255,255,255,0.5);
  border: 1px solid rgba(220,190,250,0.35); border-radius: var(--radius-pill);
  font-family: 'Inter',sans-serif; font-size: var(--text-sm); font-weight: var(--weight-medium);
  color: #7B6A88; cursor: pointer; transition: all .18s; text-decoration: none;
}
.app-root .tpl-mgr__btn-ghost:hover { border-color: rgba(153,81,206,0.3); color: var(--color-primary); background: rgba(153,81,206,0.04); }

.app-root .tpl-mgr__empty {
  display: none; flex-direction: column; align-items: center; text-align: center;
  padding: 60px 32px; color: var(--color-gray-mid); gap: 10px;
  font-size: var(--text-sm);
}
.app-root .tpl-mgr__empty.visible { display: flex; }
.app-root .tpl-mgr__empty-icon { font-size: 36px; opacity: .5; }

/* Import Modal */
.app-root .tpl-mgr__modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(40,20,60,0.35); backdrop-filter: blur(6px);
  z-index: 1000; align-items: center; justify-content: center;
}
.app-root .tpl-mgr__modal-overlay.open { display: flex; }
.app-root .tpl-mgr__modal {
  background: rgba(255,255,255,0.92); backdrop-filter: blur(24px);
  border: 1px solid rgba(220,190,250,0.5); border-radius: 24px;
  padding: 36px; max-width: 420px; width: 90%;
  box-shadow: 0 24px 80px rgba(94,46,144,0.18);
  animation: tpl-modal-in .25s cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes tpl-modal-in {
  from { opacity: 0; transform: scale(0.92) translateY(16px); }
  to   { opacity: 1; transform: scale(1)   translateY(0); }
}
.app-root .tpl-mgr__modal-icon { width: 52px; height: 52px; background: rgba(94,46,144,0.08); border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 24px; margin-bottom: 18px; }
.app-root .tpl-mgr__modal-title { font-size: var(--text-xl); font-weight: var(--weight-medium); color: var(--color-gray-dark); margin-bottom: 8px; }
.app-root .tpl-mgr__modal-sub { font-size: var(--text-sm); color: #7B6A88; line-height: 1.6; margin-bottom: 20px; }
.app-root .tpl-mgr__perm-box { background: rgba(94,46,144,0.05); border: 1px solid rgba(94,46,144,0.15); border-radius: 12px; padding: 14px; margin-bottom: 22px; display: flex; flex-direction: column; gap: 10px; }
.app-root .tpl-mgr__perm-item { display: flex; align-items: flex-start; gap: 10px; font-size: var(--text-sm); color: #7B6A88; line-height: 1.4; }
.app-root .tpl-mgr__modal-actions { display: flex; gap: 10px; }
.app-root .tpl-mgr__btn-cancel { flex: 1; padding: 10px 20px; background: transparent; border: 1px solid rgba(220,190,250,0.35); border-radius: var(--radius-pill); font-family: 'Inter',sans-serif; font-size: var(--text-sm); font-weight: var(--weight-medium); color: #7B6A88; cursor: pointer; transition: all .18s; }
.app-root .tpl-mgr__btn-cancel:hover { border-color: rgba(153,81,206,0.3); color: var(--color-primary); }
.app-root .tpl-mgr__modal-status { display: none; flex-direction: column; align-items: center; text-align: center; padding: 8px 0; }
.app-root .tpl-mgr__modal-status.visible { display: flex; }
.app-root .tpl-mgr__spinner { width: 34px; height: 34px; border: 3px solid rgba(94,46,144,0.15); border-top-color: var(--color-primary); border-radius: 50%; animation: tpl-spin .75s linear infinite; margin-bottom: 16px; }
@keyframes tpl-spin { to { transform: rotate(360deg); } }
.app-root .tpl-mgr__progress-track { width: 220px; height: 4px; background: rgba(94,46,144,0.12); border-radius: 2px; margin-top: 10px; overflow: hidden; }
.app-root .tpl-mgr__progress-bar { height: 100%; width: 0%; background: var(--violet-600); border-radius: 2px; transition: width 0.3s ease; }

/* === Process Modal (vanilla, replaces Bootstrap loadAndConvert modal) === */
#olProcessOverlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.45); z-index: 1000; align-items: center; justify-content: center; }
#olProcessOverlay.visible { display: flex; }
#olProcessModal { background: #fff; border-radius: 16px; width: min(700px, 92vw); max-height: 80vh; display: flex; flex-direction: column; box-shadow: 0 8px 40px rgba(0,0,0,0.18); font-family: 'Inter', sans-serif; }
#olProcessHeader { padding: 18px 24px 14px; border-bottom: 1px solid rgba(0,0,0,0.08); font-weight: 600; font-size: 15px; color: #1a1a2e; }
#olProcessBody { padding: 16px 24px; overflow-y: auto; flex: 1; font-size: 13px; line-height: 1.7; color: #333; }
#olProcessFooter { padding: 12px 24px; border-top: 1px solid rgba(0,0,0,0.08); display: flex; gap: 8px; justify-content: flex-end; min-height: 54px; }
#olProcessFooter button { padding: 8px 18px; border: none; border-radius: 20px; font-size: 13px; font-family: 'Inter', sans-serif; cursor: pointer; font-weight: 500; }
#olProcessFooter .ol-btn-stop { background: #dc2626; color: #fff; }
#olProcessFooter .ol-btn-stop:disabled { background: #f87171; cursor: not-allowed; }
#olProcessFooter .ol-btn-secondary { background: transparent; border: 1px solid rgba(0,0,0,0.15); color: #555; }
#olProcessFooter .ol-btn-primary { background: var(--violet-600); color: #fff; }
.ol-task-block { margin-bottom: 12px; }
.ol-task-block h5 { font-size: 13px; font-weight: 600; margin: 0 0 4px; color: #1a1a2e; display: flex; align-items: center; gap: 8px; }
.ol-spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid rgba(94,46,144,0.2); border-top-color: var(--violet-500); border-radius: 50%; animation: tpl-spin .7s linear infinite; flex-shrink: 0; }
.ol-check { display: inline-block; width: 14px; height: 14px; color: var(--violet-500); flex-shrink: 0; }
.ol-progress-track { height: 4px; background: rgba(94,46,144,0.12); border-radius: 2px; margin: 6px 0 4px; overflow: hidden; }
.ol-progress-bar { height: 100%; width: 0%; background: var(--violet-600); border-radius: 2px; transition: width 0.2s ease; font-size: 0; }

/* Combine View */
.app-root .combine-row { display: flex; align-items: center; gap: 12px; padding: 10px 24px; border-bottom: 1px solid rgba(220,190,250,0.12); cursor: grab; transition: background 0.15s; }
.app-root .combine-row:last-child { border-bottom: none; }
.app-root .combine-row--header { cursor: default; padding: 8px 24px; background: rgba(153,81,206,0.04); }
.app-root .combine-row--header .combine-col { font-size: var(--text-xs); font-weight: var(--weight-semi); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--color-gray-mid); }
.app-root .combine-row:not(.combine-row--header):hover { background: rgba(153,81,206,0.04); }
.app-root .combine-row--dragging { opacity: 0.4; }
.app-root .combine-drag-handle { color: var(--color-gray-mid); flex-shrink: 0; line-height: 0; width: 14px; }
.app-root .combine-checkbox-placeholder { width: 15px; flex-shrink: 0; }
.app-root .combine-checkbox { accent-color: var(--color-primary); width: 15px; height: 15px; flex-shrink: 0; cursor: pointer; }
.app-root .combine-col { font-size: var(--text-sm); color: var(--color-gray-dark); }
.app-root .combine-col--name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.app-root .combine-col--size { width: 70px; flex-shrink: 0; color: var(--color-gray-mid); }
.app-root .combine-col--date { width: 130px; flex-shrink: 0; color: var(--color-gray-mid); }
.app-root .combine-col--actions { width: 80px; flex-shrink: 0; display: flex; gap: 4px; justify-content: flex-end; }
.app-root .combine-action-btn { background: none; border: none; padding: 4px; border-radius: 6px; cursor: pointer; color: var(--color-gray-mid); line-height: 0; transition: background 0.15s, color 0.15s; }
.app-root .combine-action-btn:hover { background: rgba(153,81,206,0.08); color: var(--color-primary); }
.app-root .combine-action-btn--danger:hover { background: rgba(220,38,38,0.08); color: #dc2626; }
.app-root .combine-info-icon { color: var(--color-gray-mid); line-height: 0; cursor: help; flex-shrink: 0; }

/* Settings inputs */
.app-root .settings-input { border: 1px solid var(--color-border); border-radius: 8px; padding: 6px 10px; font-size: var(--text-sm); font-family: 'Inter', sans-serif; color: var(--color-gray-dark); background: #fff; width: 220px; outline: none; transition: border-color .15s; }
.app-root .settings-input:focus { border-color: var(--color-primary); }

/* Download / File list tables */
.app-root .table-field td { padding: 11px 16px; font-size: 13px; color: var(--color-gray-dark); border-bottom: 1px solid rgba(220,190,250,0.12); vertical-align: middle; }
.app-root .table-field:last-child td { border-bottom: none; }
.app-root .table-field:nth-child(even) td { background: rgba(153,81,206,0.025); }
.app-root .table-field:hover td { background: rgba(153,81,206,0.05); }

/* Fixed column layout — all columns always visible, no horizontal overflow */
.app-root .dl-file-table { table-layout: fixed; width: 100%; }
.app-root .dl-file-table th:nth-child(1),
.app-root .dl-file-table td:nth-child(1) { width: 44px; }
.app-root .dl-file-table th:nth-child(3),
.app-root .dl-file-table td:nth-child(3) { width: 54px; }
.app-root .dl-file-table th:nth-child(4),
.app-root .dl-file-table td:nth-child(4) { width: 56px; }
.app-root .dl-file-table th:nth-child(5),
.app-root .dl-file-table td:nth-child(5) { width: 22%; }
.app-root .dl-file-table th:nth-child(6),
.app-root .dl-file-table td:nth-child(6) { width: 96px; }

/* Ellipsis truncation for Filename (col 2) and Location (col 5) */
.app-root .dl-file-table td:nth-child(2),
.app-root .dl-file-table td:nth-child(5) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 0; /* required: table cells need max-width: 0 for text-overflow to work */
}


/* ══════════════════════════════════════════
   SCRATCH WIZARD — OneNote-style frame
   ══════════════════════════════════════════ */

.app-root .on-frame {
  display: flex;
  flex-direction: column;
  border-radius: 10px;
  box-shadow: 0 4px 32px rgba(80,40,120,0.13), 0 1px 4px rgba(0,0,0,0.08);
  border: 1px solid rgba(180,160,220,0.3);
  max-width: 900px;
  min-height: 540px;
  font-family: 'Segoe UI', system-ui, sans-serif;
  margin: 0 32px;
}

/* Window title bar */
.app-root .on-titlebar,
.app-root .on-ribbon-tabs,
.app-root .on-ribbon-toolbar,
.app-root .on-pages-toolbar { opacity: 0.45; pointer-events: none; }
.app-root .on-titlebar { display: flex; align-items: center; background: #f0f0f0; border-bottom: 1px solid #ddd; padding: 0 8px; height: 32px; flex-shrink: 0; border-radius: 10px 10px 0 0; }
.app-root .on-titlebar-icon { width: 22px; height: 22px; background: #7B2FBE; border-radius: 3px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 13px; font-weight: 700; margin-right: 8px; flex-shrink: 0; }
.app-root .on-titlebar-title { font-size: 12px; color: #333; flex: 1; text-align: center; letter-spacing: .01em; }
.app-root .on-titlebar-controls { display: flex; gap: 1px; margin-left: 8px; }
.app-root .on-titlebar-btn { width: 28px; height: 20px; display: flex; align-items: center; justify-content: center; font-size: 11px; color: #666; border-radius: 3px; cursor: default; }
.app-root .on-titlebar-btn:hover { background: none; }
.app-root .on-titlebar-btn--close:hover { background: none; color: #666; }

/* Ribbon tabs */
.app-root .on-ribbon-tabs { display: flex; align-items: flex-end; background: #f8f8f8; border-bottom: 1px solid #e0e0e0; padding: 0 6px; height: 30px; flex-shrink: 0; }
.app-root .on-ribbon-tab { font-size: 12px; color: #444; padding: 0 10px; height: 100%; display: flex; align-items: center; cursor: default; border-bottom: 2px solid transparent; white-space: nowrap; }
.app-root .on-ribbon-tab:hover { color: #444; }
.app-root .on-ribbon-tab.active { color: #7B2FBE; border-bottom-color: #7B2FBE; font-weight: 500; }

/* Ribbon toolbar */
.app-root .on-ribbon-toolbar { display: flex; align-items: center; background: #fff; border-bottom: 1px solid #e8e8e8; padding: 4px 8px; gap: 2px; flex-shrink: 0; flex-wrap: nowrap; overflow: hidden; }
.app-root .on-ribbon-group { display: flex; align-items: center; gap: 1px; padding: 0 6px; border-right: 1px solid #e8e8e8; flex-shrink: 0; }
.app-root .on-ribbon-group:last-child { border-right: none; }
.app-root .on-ribbon-btn { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; padding: 3px 6px; border-radius: 3px; cursor: default; min-width: 32px; color: #333; }
.app-root .on-ribbon-btn:hover { background: none; }
.app-root .on-ribbon-btn-label { font-size: 9px; color: #555; white-space: nowrap; }
.app-root .on-ribbon-btn--wide { min-width: 52px; }
.app-root .on-ribbon-style { display: flex; flex-direction: column; justify-content: center; padding: 2px 8px; border: 1px solid #ddd; border-radius: 3px; cursor: default; min-width: 80px; background: #fff; }
.app-root .on-ribbon-style:hover { border-color: #ddd; background: #fff; }
.app-root .on-ribbon-style-label { font-size: 10px; color: #666; }
.app-root .on-ribbon-style-preview { font-size: 12px; color: #1a1a2e; font-weight: 600; }
.app-root .on-ribbon-style-preview--2 { font-size: 11px; font-weight: 500; }

/* Frame body */
.app-root .on-frame-body { display: flex; flex: 1; min-height: 0; }

/* Left: page pane */
.app-root .on-pages { width: 210px; flex-shrink: 0; background: #f3f3f3; border-right: 1px solid #d8d8d8; display: flex; flex-direction: column; border-radius: 0 0 0 10px; overflow: hidden; }
.app-root .on-pages-toolbar { display: flex; align-items: center; justify-content: space-between; padding: 8px 10px; border-bottom: 1px solid #e0e0e0; flex-shrink: 0; background: #f3f3f3; }
.app-root .on-add-page-btn { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; color: #7B2FBE; border: 1px solid #7B2FBE; border-radius: 14px; padding: 3px 10px; cursor: default; }
.app-root .on-add-page-btn:hover { background: none; }
.app-root .on-pages-sort { color: #aaa; cursor: default; flex-shrink: 0; }
.app-root .on-pages-list { flex: 1; overflow-y: auto; padding: 6px 0; }
.app-root .on-page { display: flex; align-items: center; cursor: pointer; position: relative; }
.app-root .on-page-inner { display: flex; align-items: center; gap: 8px; padding: 7px 12px 7px 14px; width: 100%; border-left: 3px solid transparent; transition: background .1s; }
.app-root .on-page:hover .on-page-inner { background: #e8e8e8; }
.app-root .on-page.active .on-page-inner { background: #fff; border-left-color: #7B2FBE; }
.app-root .on-page-name { font-size: 12.5px; color: #333; line-height: 1.3; flex: 1; }
.app-root .on-page.active .on-page-name { font-weight: 600; color: #1a1a2e; }
.app-root .on-page--sub .on-page-inner { padding-left: 28px; }
.app-root .on-page--level2 .on-page-inner { padding-left: 44px; }
.app-root .on-page--level2 .on-page-name { color: #666; }
.app-root .on-page--placeholder .on-page-inner { opacity: 0.4; cursor: default; }
.app-root .on-page--placeholder .on-page-name { font-style: italic; color: #aaa; }
.app-root .on-page-badge { font-size: 9px; font-weight: 700; padding: 1px 5px; border-radius: 3px; flex-shrink: 0; letter-spacing: .02em; }
.app-root .on-page-badge--n { background: rgba(123,47,190,0.12); color: #7B2FBE; border: 1px solid rgba(123,47,190,0.2); }
.app-root .on-page-badge--w { background: rgba(31,150,136,0.1); color: #1f9688; border: 1px solid rgba(31,150,136,0.2); }
.app-root .on-page-badge--r { background: rgba(150,150,150,0.12); color: #888; border: 1px solid rgba(150,150,150,0.25); }
.app-root .on-start-indicator { display: inline-flex; align-items: center; gap: 5px; font-size: 9px; font-weight: 700; color: #7B2FBE; flex-shrink: 0; letter-spacing: .04em; text-transform: uppercase; }
.app-root .on-start-dot { position: relative; width: 7px; height: 7px; border-radius: 50%; background: #7B2FBE; flex-shrink: 0; }
.app-root .on-start-dot::before { content: ''; position: absolute; inset: 0; border-radius: 50%; background: #7B2FBE; animation: sw-ping 1.5s ease-out infinite; }
@keyframes sw-ping { 0% { transform: scale(1); opacity: 0.75; } 100% { transform: scale(3); opacity: 0; } }
.app-root .on-divider { font-size: 10px; color: #bbb; padding: 8px 14px 4px; font-weight: 500; letter-spacing: .03em; text-transform: uppercase; border-top: 1px solid #e0e0e0; margin-top: 4px; }
.app-root .on-page-badge[data-tooltip],
.app-root .on-page-title-badge[data-tooltip] { cursor: help; }

.sw-tooltip { position: fixed; background: #1F1436; color: #fff; font-size: 11px; font-weight: 400; line-height: 1.5; padding: 6px 10px; border-radius: 7px; max-width: 180px; white-space: normal; pointer-events: none; opacity: 0; transition: opacity .15s; z-index: 9999; transform: translateX(-50%) translateY(-100%); font-family: 'Inter', sans-serif; }
.sw-tooltip.sw-tooltip--visible { opacity: 1; }
.sw-modal-overlay { position: fixed; inset: 0; background: rgba(40,20,60,0.35); backdrop-filter: blur(6px); z-index: 1000; display: flex; align-items: center; justify-content: center; }
.sw-modal { background: rgba(255,255,255,0.95); backdrop-filter: blur(24px); border: 1px solid rgba(220,190,250,0.5); border-radius: 24px; padding: 36px; max-width: 440px; width: 90%; box-shadow: 0 24px 80px rgba(94,46,144,0.18); animation: tpl-modal-in .25s cubic-bezier(0.34,1.56,0.64,1); }
.sw-modal-icon { width: 52px; height: 52px; background: rgba(171,121,26,0.1); border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.sw-modal-title { font-size: 17px; font-weight: 600; color: #1F1436; margin-bottom: 12px; }
.sw-modal-body { font-size: 13px; color: #555; line-height: 1.65; }
.sw-modal-body p { margin: 0 0 10px; }
.sw-modal-body p:last-child { margin-bottom: 0; }
.sw-modal-note { color: #888; font-style: italic; }
.sw-modal-actions { margin-top: 24px; display: flex; justify-content: flex-end; }
.app-root .sw-kbd { background: #f0f0f0; border: 1px solid #ccc; border-bottom-width: 2px; border-radius: 4px; padding: 1px 6px; font-family: 'Consolas', monospace; font-size: 12px; color: #333; white-space: nowrap; }

/* Right: content area */
.app-root .on-content { flex: 1; background: #fff; display: flex; flex-direction: column; overflow: hidden; }
.app-root .on-content-inner { flex: 1; padding: 28px 32px; overflow-y: auto; }
.app-root .on-page-title-row { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 6px; border-bottom: 2px solid #7B2FBE; padding-bottom: 8px; }
.app-root .on-page-title-action { flex-shrink: 0; padding-top: 2px; }
.app-root .on-nav-skip { font-size: 11px; color: #b3a7b8; cursor: pointer; white-space: nowrap; margin-left: auto; }
.app-root .on-nav-skip:hover { color: #7B2FBE; }
.app-root .on-page-title { font-size: 22px; font-weight: 300; color: #1a1a2e; letter-spacing: -0.01em; display: flex; align-items: center; gap: 12px; }
.app-root .on-page-title-badge { font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 4px; flex-shrink: 0; }
.app-root .on-page-title-badge--n { background: rgba(123,47,190,0.1); color: #7B2FBE; border: 1px solid rgba(123,47,190,0.2); }
.app-root .on-page-title-badge--w { background: rgba(31,150,136,0.08); color: #1f9688; border: 1px solid rgba(31,150,136,0.18); }
.app-root .on-page-title-badge--r { background: rgba(150,150,150,0.1); color: #888; border: 1px solid rgba(150,150,150,0.22); }
.app-root .on-page-subtitle { color: #ccc; font-size: 11px; margin-bottom: 20px; }
.app-root .on-instruction { font-size: 13px; color: #555; line-height: 1.7; margin-bottom: 20px; }
.app-root .on-code { background: #f0ecf8; padding: 1px 5px; border-radius: 3px; font-size: 11px; font-family: 'Consolas', 'Courier New', monospace; }

/* Copy area */
.app-root .on-copy-area { background: #f9f7ff; border: 1px solid rgba(123,47,190,0.15); border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.app-root .on-copy-label { font-size: 11px; font-weight: 600; color: #7B2FBE; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 10px; }
.app-root .on-copy-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; flex-wrap: wrap; }
.app-root .on-copy-row + .on-copy-row { border-top: 1px solid rgba(123,47,190,0.1); }
.app-root .on-copy-field-label { font-size: 12px; color: #888; min-width: 56px; flex-shrink: 0; }
.app-root .on-copy-code { font-family: 'Consolas', 'Courier New', monospace; font-size: 12px; color: #7B2FBE; background: rgba(123,47,190,0.07); border: 1px solid rgba(123,47,190,0.12); padding: 4px 10px; border-radius: 4px; flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }

/* Buttons (compact, scoped to on-frame) */
.app-root .on-frame .btn-ol { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 500; padding: 6px 14px; border-radius: 4px; border: none; cursor: pointer; background: linear-gradient(135deg, #9333c8, #7719aa); color: #fff; font-family: 'Segoe UI', system-ui, sans-serif; flex-shrink: 0; transition: opacity .15s; }
.app-root .on-frame .btn-ol:hover { opacity: .88; }
.app-root .on-frame .btn-ol-secondary { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 500; padding: 6px 14px; border-radius: 4px; cursor: pointer; background: #fff; color: #555; border: 1px solid #d0c8e0; font-family: 'Segoe UI', system-ui, sans-serif; flex-shrink: 0; transition: all .15s; }
.app-root .on-frame .btn-ol-secondary:hover { border-color: #9333c8; color: #7719aa; background: #faf7ff; }

/* Nav bar */
.app-root .on-nav-bar { border-top: 1px solid #f0ecf8; padding: 12px 32px; display: flex; align-items: center; justify-content: space-between; background: #faf8ff; flex-shrink: 0; min-height: 56px; border-radius: 0 0 10px 0; }
.app-root .on-nav-hint { font-size: 12px; color: #bbb; }

/* Start callout */
.app-root .start-callout { display: flex; align-items: flex-start; gap: 10px; background: rgba(123,47,190,0.06); border: 1px solid rgba(123,47,190,0.18); border-radius: 7px; padding: 12px 14px; margin-bottom: 20px; }
.app-root .start-callout-icon { width: 28px; height: 28px; background: linear-gradient(135deg, #9333c8, #7719aa); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 13px; font-weight: 700; flex-shrink: 0; }
.app-root .start-callout-text { font-size: 12.5px; color: #555; line-height: 1.6; }
.app-root .start-callout-text strong { color: #7B2FBE; }

/* OneNote page mock */
.app-root .on-page-mock { background: #fff; border: 1px solid #ddd; border-radius: 3px; padding: 16px 20px 14px; box-shadow: 0 1px 5px rgba(0,0,0,0.07); margin-bottom: 14px; }
.app-root .on-pm-title-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 4px; }
.app-root .on-pm-title { font-size: 17px; font-weight: 400; color: #1a1a1a; font-family: 'Segoe UI', system-ui, sans-serif; line-height: 1.3; flex: 1; word-break: break-word; }
.app-root .on-pm-title-btn { flex-shrink: 0; }
.app-root .on-pm-rule { border: none; border-top: 2px solid #7B2FBE; margin: 0 0 5px; }
.app-root .on-pm-date { font-size: 11px; color: #bbb; margin-bottom: 12px; }
.app-root .on-pm-body { }
.app-root .on-pm-hl { font-family: 'Consolas', 'Courier New', monospace; font-size: 11.5px; padding: 0 2px; }
.app-root .on-pm-lines { line-height: 1.0; }
.app-root .on-pm-lines--scroll { max-height: 140px; overflow-y: auto; }
.app-root .on-pm-blank { height: 10px; }
.app-root .on-pm-body-btn { margin-top: 10px; text-align: right; }
.app-root .on-pm-write-hint { font-size: 12px; color: #ccc; font-style: italic; }
.app-root .on-pm-note { font-size: 12px; color: #666; font-style: italic; line-height: 1.5; }
.app-root .on-pm-link { color: #0563C1; text-decoration: underline; cursor: default; font-size: inherit; }
.app-root .on-pm-bib-file { display: inline-flex; flex-direction: column; align-items: center; gap: 3px; margin: 8px 0; padding: 7px 14px 10px; border: 1.5px dashed #c9adf0; border-radius: 8px; background: rgba(147,51,200,0.04); max-width: 320px; }
.app-root .on-pm-bib-name { font-family: 'Consolas', 'Courier New', monospace; font-size: 11px; color: #555; }
.app-root .on-pm-bib-hint { font-size: 10.5px; color: #a78bcd; font-style: italic; }
.app-root .on-pm-bib-divider { width: 100%; border: none; border-top: 1px solid #e4d5f5; margin: 6px 0 4px; }
.app-root .on-pm-bib-auto { font-size: 10.5px; color: #666; font-style: italic; text-align: center; line-height: 1.4; }
.app-root .on-pm-bib-code { font-family: 'Consolas', 'Courier New', monospace; font-size: 10.5px; font-style: normal; color: #7c3aed; }
.app-root .on-xref-result { border: 1px solid #e8e0f0; border-radius: 8px; overflow: hidden; }
.app-root .on-xref-result--onenote { border-color: #d8d0ec; }
.app-root .on-xref-result--onenote .on-xref-result-label { background: #f0eafa; }
.app-root .on-xref-result--onenote .on-xref-result-body { padding: 12px; }
.app-root .on-xref-result-label { font-size: 10px; font-weight: 600; color: #999; text-transform: uppercase; letter-spacing: .06em; padding: 7px 14px; background: #f8f5ff; border-bottom: 1px solid #e8e0f0; }
.app-root .on-xref-result-body { padding: 10px 14px; font-size: 13px; line-height: 1.6; color: #333; }
.app-root .on-xref-arrow { text-align: center; padding: 6px 0; color: #c0b0d8; }
.app-root .on-xref-cmd { font-family: monospace; font-size: 12px; color: #7B2FBE; background: rgba(123,47,190,0.07); padding: 1px 5px; border-radius: 3px; }
.app-root .on-xref-rendered { color: #1f9688; font-style: italic; }

/* Note / info row */
.app-root .on-note { display: flex; align-items: center; gap: 6px; font-size: 11px; color: #bbb; margin-top: 12px; }
.app-root .on-note-link { color: #7B2FBE; cursor: pointer; background: none; border: none; padding: 0; font-size: inherit; font-family: inherit; text-decoration: none; }
.app-root .on-note-link:hover { text-decoration: underline; }

/* Chapter placeholder */
.app-root .on-chapter-info { background: #f8f8f8; border: 1px dashed #d8d0e8; border-radius: 8px; padding: 28px 20px; text-align: center; color: #bbb; }
.app-root .on-chapter-info p { font-size: 13px; line-height: 1.7; margin-top: 10px; }
.app-root .on-chapter-info p strong { color: #888; }


/* ══════════════════════════════════════════
   RESPONSIVE — Landing Page
   ══════════════════════════════════════════ */

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  flex-shrink: 0;
}
.nav-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-500);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}
nav.mobile-open .nav-hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
nav.mobile-open .nav-hamburger span:nth-child(2) { opacity: 0; }
nav.mobile-open .nav-hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  nav {
    padding: 0 20px;
    flex-wrap: wrap;
    height: auto;
    min-height: 60px;
  }
  .nav-hamburger { display: flex; }
  .nav-links { display: none; }
  .nav-r { display: none; }

  nav.mobile-open .nav-links {
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 8px 0 16px;
    border-top: 1px solid rgba(200,170,230,0.15);
    gap: 2px;
  }
  nav.mobile-open .nav-links li { width: 100%; }
  nav.mobile-open .nav-links a { padding: 10px 8px; display: block; }
  nav.mobile-open .drop-menu {
    display: block;
    position: static;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 4px 0 4px 16px;
    min-width: unset;
    margin-top: 0;
    padding-top: 4px;
    background: transparent;
    backdrop-filter: none;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 40px 20px 48px;
  }

  .proof-container { padding: 0 20px !important; }
  .proof-banner { flex-direction: column; gap: 16px; }

  .feat-grid { grid-template-columns: 1fr 1fr; }

  .workflow-row { grid-template-columns: 1fr; gap: 20px; }
  .workflow-arrow { display: none; }
  .wstep { flex-direction: row; text-align: left; align-items: flex-start; gap: 16px; }
  .wstep-icon { margin-bottom: 0; flex-shrink: 0; }
  .wstep-num { margin-bottom: 0; }

  .video-grid { grid-template-columns: 1fr; }

  .bottom-cta { flex-direction: column; gap: 20px; }
  .bcta-right { justify-content: flex-start; }
}

@media (max-width: 480px) {
  nav { padding: 0 16px; }

  .hero { padding: 32px 16px 40px; }

  .feat-grid { grid-template-columns: 1fr; }
  .features { padding: 0 16px 40px; }

  .sec-head { padding: 44px 16px 0; }

  .workflow { padding: 32px 16px 48px; }
  .wstep { flex-direction: column; }
  .wstep-icon { margin-bottom: 8px; }

  .videos { padding: 0 16px 48px; }

  .bottom-cta { margin: 0 16px 32px; padding: 28px 20px; }

  .proof-container { padding: 0 16px !important; }
}