/* ==========================================================================
   PDF Toolkit — "Aurora" Premium Redesign
   Rich glassmorphism workbench with vibrant accents & animations.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --font-sans: 'Inter', "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-display: 'Inter', "Segoe UI Variable Display", "Segoe UI", system-ui, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;

  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --sidebar-w: 270px;
  --sidebar-w-collapsed: 70px;
  --topbar-h: 60px;
  --ease: cubic-bezier(.4, 0, .2, 1);
  --spring: cubic-bezier(.34, 1.56, .64, 1);
}

/* ─── Dark Theme ─────────────────────────────────────────────────────────── */
html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #09090b;
  --bg-soft: #18181b;
  --glass: rgba(255, 255, 255, .03);
  --glass-strong: rgba(255, 255, 255, .06);
  --glass-border: rgba(255, 255, 255, .08);
  --glass-border-strong: rgba(255, 255, 255, .15);
  --text: #fafafa;
  --text-dim: #a1a1aa;
  --text-faint: #52525b;
  --accent: #3b82f6;
  --accent-2: #8b5cf6;
  --accent-strong: #60a5fa;
  --accent-ink: #ffffff;
  --accent-soft: rgba(59, 130, 246, .15);
  --accent-glow: rgba(59, 130, 246, .30);
  --ok: #10b981;
  --ok-soft: rgba(16, 185, 129, .15);
  --warn: #f59e0b;
  --warn-soft: rgba(245, 158, 11, .15);
  --danger: #ef4444;
  --danger-soft: rgba(239, 68, 68, .15);
  --shadow: 0 20px 40px rgba(0, 0, 0, .8);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, .5);
  --canvas-bg: #09090b;
  --hero-gradient: linear-gradient(135deg, #1e1b4b 0%, #09090b 50%, #09090b 100%);
  --sidebar-bg: rgba(24, 24, 27, .95);
  --glow: 
    radial-gradient(ellipse 800px 500px at 50% -20%, rgba(59,130,246,.15), transparent 60%),
    radial-gradient(ellipse 600px 400px at 80% 80%, rgba(139,92,246,.10), transparent 60%);
}

/* ─── Light Theme ────────────────────────────────────────────────────────── */
html[data-theme="light"] {
  color-scheme: light;
  --bg: #F0F9FF;
  --bg-soft: #FFFFFF;
  --glass: rgba(255, 255, 255, .92);
  --glass-strong: #ffffff;
  --glass-border: rgba(2, 132, 199, .08);
  --glass-border-strong: rgba(2, 132, 199, .16);
  --text: #0F172A;
  --text-dim: #475569;
  --text-faint: #94A3B8;
  --accent: #0284C7;
  --accent-2: #38BDF8;
  --accent-strong: #0369A1;
  --accent-ink: #ffffff;
  --accent-soft: rgba(2, 132, 199, .10);
  --accent-glow: rgba(2, 132, 199, .20);
  --ok: #059669;
  --ok-soft: rgba(5, 150, 105, .10);
  --warn: #d97706;
  --warn-soft: rgba(217, 119, 6, .10);
  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, .10);
  --shadow: 0 8px 32px rgba(2, 132, 199, .07);
  --shadow-sm: 0 2px 8px rgba(2, 132, 199, .05);
  --canvas-bg: #FFFFFF;
  --hero-gradient: linear-gradient(160deg, #E0F2FE 0%, #F0F9FF 40%, #FFFFFF 100%);
  --sidebar-bg: #FFFFFF;
  --glow: 
    radial-gradient(ellipse 1000px 500px at 20% -10%, rgba(56,189,248,.14), transparent 60%),
    radial-gradient(ellipse 800px 500px at 85% 90%, rgba(2,132,199,.06), transparent 60%);
}

/* ─── Base ───────────────────────────────────────────────────────────────── */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  background-image: var(--glow);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
::selection { background: var(--accent-soft); color: var(--accent-strong); }

h1, h2, h3 { font-family: var(--font-display); letter-spacing: -.02em; margin: 0 0 .4em; }
h1 { font-size: 32px; font-weight: 800; }
h2 { font-size: 20px; font-weight: 700; }
h3 { font-size: 15px; font-weight: 600; }
p  { margin: 0 0 .8em; }
.mono { font-family: var(--font-mono); font-size: .86em; }
.dim { color: var(--text-dim); }
.faint { color: var(--text-faint); }

/* ─── Shell Layout ───────────────────────────────────────────────────────── */
.shell { display: flex; min-height: 100vh; }

.sidebar {
  position: fixed; inset: 0 auto 0 0;
  width: var(--sidebar-w);
  padding: 14px 12px 18px;
  display: flex; flex-direction: column; gap: 4px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--glass-border);
  box-shadow: 1px 0 20px rgba(2, 132, 199, .04);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  overflow-y: auto; overflow-x: hidden;
  transition: width .25s var(--ease);
  z-index: 40;
  scrollbar-width: thin;
  scrollbar-color: var(--glass-border) transparent;
}
.shell.collapsed .sidebar { width: var(--sidebar-w-collapsed); }
.shell.collapsed .sidebar .nav-label,
.shell.collapsed .sidebar .nav-group-title,
.shell.collapsed .sidebar .brand-name { opacity: 0; pointer-events: none; }
.shell.collapsed .sidebar .nav-item { justify-content: center; padding: 10px; }
.shell.collapsed .nav-group.open .nav-sub { display: none; }

/* Brand */
.brand {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 8px 16px;
}
.brand-mark {
  width: 38px; height: 38px; flex: 0 0 38px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: var(--accent-ink);
  font-family: var(--font-mono); font-weight: 800; font-size: 11px;
  box-shadow: 0 6px 20px var(--accent-glow);
  letter-spacing: -.03em;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  white-space: nowrap;
  transition: opacity .15s;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.brand-name small {
  display: block;
  font-size: 10px;
  font-weight: 500;
  -webkit-text-fill-color: var(--text-faint);
  background: none;
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-top: 1px;
}

/* Nav items */
.nav-item {
  display: flex; align-items: center; gap: 10px;
  width: 100%;
  padding: 9px 12px;
  border: 0; background: none; cursor: pointer;
  border-radius: var(--radius-md);
  color: var(--text-dim);
  text-align: left;
  white-space: nowrap;
  font-size: 13.5px;
  font-weight: 500;
  transition: background .15s, color .15s, transform .1s;
  position: relative;
}
.nav-item:hover {
  background: var(--glass-strong);
  color: var(--text);
  transform: translateX(2px);
}
.nav-item.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
  border: 1px solid transparent;
}
.nav-item.active::before {
  content: '';
  position: absolute; left: 0; top: 20%; bottom: 20%;
  width: 3px;
  border-radius: 99px;
  background: var(--accent);
}
.nav-item .icon { flex: 0 0 18px; }
.nav-label { overflow: hidden; text-overflow: ellipsis; transition: opacity .15s; }

/* ─── Sidebar: dividers ─────────────────────────────────── */
.nav-divider {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 12px 4px;
  font-size: 10px; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--text-faint);
  user-select: none;
}
.nav-divider-label { flex: 1; }

/* ─── Sidebar: category nav items ───────────────────────── */
.nav-category .nav-label {
  display: flex; flex-direction: column; gap: 1px;
  line-height: 1.2;
}
.nav-cat-count {
  font-size: 10.5px; font-weight: 500;
  color: var(--text-faint);
  letter-spacing: 0;
}
.nav-category:hover .nav-cat-count { color: var(--text-dim); }
.nav-category.active .nav-cat-count { color: var(--accent); }

/* ─── Sidebar: footer usage widget ──────────────────────── */
.sidebar-foot {
  margin-top: auto; padding-top: 12px;
  border-top: 1px solid var(--glass-border);
  display: flex; flex-direction: column; gap: 6px;
}
.sidebar-usage {
  padding: 8px 12px;
  border-radius: var(--radius-md);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  margin-bottom: 2px;
}
.sidebar-usage-row {
  display: flex; align-items: center; gap: 8px;
}
.sidebar-usage-icon { color: var(--accent); flex-shrink: 0; }
.sidebar-usage-text {
  font-size: 12px; color: var(--text-dim); font-weight: 500;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ══════════════════════════════════════════════════════════
   SAAS SIDEBAR COMPONENTS
══════════════════════════════════════════════════════════ */

/* ─── User profile card ──────────────────────────────────── */
.sb-user-card {
  margin: 0 0 8px;
  padding: 10px;
  border-radius: var(--radius-lg);
  background: var(--glass);
  border: 1px solid var(--glass-border);
  transition: border-color .15s;
}
.sb-user-card:hover { border-color: var(--glass-border-strong); }
.sb-user-logged { display: flex; align-items: center; gap: 10px; }
.sb-avatar {
  width: 36px; height: 36px; flex-shrink: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-ink);
  display: grid; place-items: center;
  font-size: 13px; font-weight: 700;
  box-shadow: 0 4px 12px var(--accent-glow);
}
.sb-user-info {
  flex: 1; min-width: 0;
  display: flex; flex-direction: column; gap: 1px; overflow: hidden;
}
.sb-user-name {
  font-size: 13px; font-weight: 700;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--text);
}
.sb-user-email {
  font-size: 10.5px; color: var(--text-faint);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sb-plan-badge {
  font-size: 9.5px; font-weight: 800; letter-spacing: .08em;
  text-transform: uppercase; padding: 2px 7px;
  border-radius: 99px; flex-shrink: 0;
  background: var(--accent-soft); color: var(--accent-strong);
  border: 1px solid var(--accent-soft);
}
.sb-auth-btns { display: flex; flex-direction: column; gap: 6px; }
.sb-btn-signup, .sb-btn-login { width: 100%; justify-content: center; font-size: 12.5px; }

/* ─── Plan / usage box ───────────────────────────────────── */
.sb-plan-box {
  margin: 2px 0 4px; padding: 12px;
  border-radius: var(--radius-lg);
  background: var(--glass); border: 1px solid var(--glass-border);
  display: flex; flex-direction: column; gap: 8px;
}
.sb-plan-header { display: flex; align-items: center; justify-content: space-between; }
.sb-plan-name { font-size: 12.5px; font-weight: 700; color: var(--text); }
.sb-plan-badge-sm {
  font-size: 9px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  padding: 2px 6px; border-radius: 99px;
  background: var(--glass-strong); color: var(--text-faint);
  border: 1px solid var(--glass-border);
}
.sb-plan-usage-label { font-size: 11.5px; color: var(--text-dim); }
.sb-plan-usage-label span { font-weight: 700; color: var(--text); }
.sb-usage-rail { height: 4px; border-radius: 99px; background: var(--glass-strong); overflow: hidden; }
.sb-usage-fill {
  height: 100%; border-radius: 99px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width .4s var(--ease);
}
.sb-upgrade-btn {
  display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 7px 12px; border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-ink); font-size: 12.5px; font-weight: 700;
  border: none; cursor: pointer;
  box-shadow: 0 4px 14px var(--accent-glow);
  transition: filter .15s, transform .15s var(--spring), box-shadow .15s;
}
.sb-upgrade-btn:hover {
  filter: brightness(1.1); transform: translateY(-1px);
  box-shadow: 0 8px 20px var(--accent-glow); color: var(--accent-ink);
}
.sb-upgrade-btn .icon { width: 14px; height: 14px; }

/* ─── Notification badge & sign-out ─────────────────────── */
.sb-notif-badge {
  margin-left: auto; flex-shrink: 0;
  min-width: 18px; height: 18px; padding: 0 4px;
  border-radius: 99px; background: var(--danger); color: white;
  font-size: 10px; font-weight: 800;
  display: grid; place-items: center;
  animation: fadeInUp .25s var(--spring);
}
.sb-new-dot {
  display: inline-block; width: 6px; height: 6px;
  border-radius: 50%; background: var(--ok);
  vertical-align: middle; margin-left: 4px;
  box-shadow: 0 0 0 2px var(--ok-soft);
  animation: pulse 2s ease-in-out infinite;
}
.nav-signout { color: var(--danger); }
.nav-signout:hover { background: var(--danger-soft); color: var(--danger); }
.sb-files-row {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px; font-size: 11.5px; color: var(--text-faint);
  border-top: 1px solid var(--glass-border); margin-top: 4px;
}

/* ─── Notification panel ─────────────────────────────────── */
.notif-panel {
  position: fixed;
  left: calc(var(--sidebar-w) + 8px); bottom: 80px;
  width: 320px; border-radius: var(--radius-lg);
  background: var(--glass-strong);
  border: 1px solid var(--glass-border-strong);
  backdrop-filter: blur(24px) saturate(160%);
  box-shadow: var(--shadow); z-index: 50; overflow: hidden;
  animation: fadeInUp .2s var(--spring);
}
.notif-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px 10px; border-bottom: 1px solid var(--glass-border);
}
.notif-title { font-size: 13px; font-weight: 700; }
.notif-list { display: flex; flex-direction: column; max-height: 280px; overflow-y: auto; }
.notif-item {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 12px 14px; border-top: 1px solid var(--glass-border);
  transition: background .15s;
}
.notif-item:first-child { border-top: none; }
.notif-item:hover { background: var(--glass-strong); }
.notif-unread { background: color-mix(in srgb, var(--accent-soft) 40%, transparent); }
.notif-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex-shrink: 0; margin-top: 5px; }
.notif-body { flex: 1; min-width: 0; }
.notif-text { font-size: 13px; line-height: 1.5; color: var(--text); }
.notif-time { font-size: 11px; color: var(--text-faint); margin-top: 3px; }

/* ─── Auth modal ─────────────────────────────────────────── */
.auth-card {
  position: relative;
  width: min(440px, calc(100vw - 32px));
  padding: 0; overflow: hidden;
}
.auth-tabs { display: flex; border-bottom: 1px solid var(--glass-border); }
.auth-tab {
  flex: 1; padding: 14px;
  font-size: 14px; font-weight: 600;
  color: var(--text-dim); background: none; border: none; cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: color .15s, border-color .15s, background .15s;
}
.auth-tab:hover { color: var(--text); background: var(--glass-strong); }
.auth-tab.active { color: var(--accent-strong); border-bottom-color: var(--accent); }
.auth-form { padding: 24px; }
.auth-header { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.auth-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: var(--radius-md); background: var(--accent-soft);
  color: var(--accent-strong); border: 1px solid var(--accent-soft);
}
.auth-extra-row {
  display: flex; align-items: center; justify-content: space-between;
  margin: -4px 0 14px; font-size: 13px;
}
.auth-link { color: var(--accent); font-weight: 500; }
.auth-link:hover { color: var(--accent-strong); }
.auth-submit { margin-top: 4px; }
.auth-or { text-align: center; color: var(--text-faint); font-size: 12px; margin: 14px 0 12px; }
.auth-socials { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.auth-social-btn { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 13px; }
.auth-close {
  position: absolute; top: 10px; right: 10px;
  width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid var(--glass-border); background: var(--glass);
  cursor: pointer; color: var(--text-dim);
  display: grid; place-items: center;
  transition: background .15s, color .15s;
}
.auth-close:hover { background: var(--glass-strong); color: var(--text); }

/* ─── Upgrade modal ──────────────────────────────────────── */
.upgrade-card {
  position: relative;
  width: min(680px, calc(100vw - 32px));
  padding: 32px; overflow: hidden;
}
.upgrade-header { text-align: center; margin-bottom: 28px; }
.upgrade-icon { font-size: 40px; margin-bottom: 10px; }
.upgrade-header h2 { font-size: 26px; font-weight: 800; letter-spacing: -.03em; margin: 0 0 6px; }
.upgrade-plans { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.upgrade-plan {
  padding: 24px; border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  background: var(--glass); position: relative;
  display: flex; flex-direction: column; gap: 14px;
}
.upgrade-plan--pro {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--accent-soft), rgba(167,139,250,.1));
  box-shadow: 0 0 0 1px var(--accent-soft), 0 12px 40px var(--accent-soft);
}
.upgrade-plan-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  font-size: 10.5px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
  padding: 3px 12px; border-radius: 99px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: var(--accent-ink);
}
.upgrade-plan-name { font-size: 16px; font-weight: 700; color: var(--text); }
.upgrade-plan-price {
  font-size: 38px; font-weight: 800; letter-spacing: -.04em;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.upgrade-plan-price span { font-size: 15px; font-weight: 500; -webkit-text-fill-color: var(--text-dim); }
.upgrade-features {
  list-style: none; margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 7px;
  font-size: 13px; color: var(--text-dim);
}
.upgrade-features li.dim { opacity: .5; }

/* ─── Main Column ─────────────────────────────────────────────────────────── */

.main {
  flex: 1;
  margin-left: var(--sidebar-w);
  transition: margin-left .25s var(--ease);
  min-width: 0;
}
.shell.collapsed .main { margin-left: var(--sidebar-w-collapsed); }

.topbar {
  position: sticky; top: 0; z-index: 30;
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 14px;
  padding: 0 26px;
  background: color-mix(in srgb, var(--bg) 75%, transparent);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
}
.icon-btn {
  display: grid; place-items: center;
  width: 36px; height: 36px;
  border: 1px solid var(--glass-border); border-radius: var(--radius-md);
  background: var(--glass); cursor: pointer;
  color: var(--text-dim);
  transition: background .15s, color .15s, transform .1s, border-color .15s, box-shadow .15s;
}
.icon-btn:hover {
  background: var(--glass-strong);
  color: var(--accent);
  border-color: var(--accent-soft);
  box-shadow: 0 0 12px var(--accent-soft);
}
.icon-btn:active { transform: scale(.92); }

.crumbs { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-dim); min-width: 0; }
.crumbs .sep { color: var(--text-faint); }
.crumbs .here { color: var(--text); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-spacer { flex: 1; }
.kbd {
  font-family: var(--font-mono); font-size: 11px;
  padding: 3px 8px; border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border); background: var(--glass);
  color: var(--text-dim);
  cursor: default;
}

.content { padding: 28px 28px 70px; max-width: 1520px; }

/* ─── Cards & Glass ───────────────────────────────────────────────────────── */
.card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s, border-color .2s;
}
.card-pad { padding: 22px; }

/* ─── Hero Section ─────────────────────────────────────────────────────────── */
.hero {
  position: relative; overflow: hidden;
  padding: 52px 44px 46px;
  margin-bottom: 28px;
  background: var(--hero-gradient);
  border: 1px solid var(--glass-border-strong);
}

/* Animated shimmer on hero */
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(
    105deg,
    transparent 30%,
    rgba(255,255,255,.04) 50%,
    transparent 70%
  );
  background-size: 200% 100%;
  animation: shimmer 4s ease-in-out infinite;
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Decorative orbs inside hero */
.hero::after {
  content: '';
  position: absolute; top: -80px; right: -80px;
  width: 360px; height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(28px, 4vw, 46px);
  max-width: 640px;
  position: relative; z-index: 1;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent-strong) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
html[data-theme="light"] .hero h1 {
  background: linear-gradient(135deg, #1e1b4b 0%, var(--accent-strong) 100%);
  -webkit-background-clip: text;
  background-clip: text;
}
.hero p.lede {
  font-size: 16px;
  color: var(--text-dim);
  max-width: 560px;
  position: relative; z-index: 1;
  font-weight: 400;
  line-height: 1.7;
}
.hero-ghost {
  position: absolute; right: -20px; top: -48px;
  font-family: var(--font-display); font-weight: 900;
  font-size: 260px; line-height: 1; letter-spacing: -.06em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--glass-border-strong);
  user-select: none; pointer-events: none;
  opacity: .5;
}
.hero-badges { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0 2px; position: relative; z-index: 1; }
.badge {
  font-size: 12px; font-weight: 600;
  padding: 5px 12px; border-radius: 99px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  border: 1px solid rgba(124, 109, 250, .25);
  backdrop-filter: blur(8px);
}

/* ─── Grid & Feature Cards ────────────────────────────────────────────────── */
.grid { display: grid; gap: 16px; }
.grid.cols-3 { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); }

.feature-card {
  display: flex; flex-direction: column; gap: 10px;
  padding: 20px;
  color: inherit;
  transition: transform .22s var(--spring), border-color .22s, box-shadow .22s;
  animation: fadeInUp .4s var(--ease) both;
}
.feature-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent);
  box-shadow: 0 12px 40px var(--accent-soft), 0 0 0 1px var(--accent-soft);
  color: inherit;
}
.feature-card .icon-chip {
  width: 44px; height: 44px; display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-soft), rgba(167,139,250,.12));
  color: var(--accent-strong);
  border: 1px solid var(--accent-soft);
  transition: transform .2s var(--spring), background .2s;
}
.feature-card:hover .icon-chip {
  transform: scale(1.1) rotate(-3deg);
  background: linear-gradient(135deg, var(--accent-soft), rgba(167,139,250,.22));
}
.feature-card h3 { margin: 0; font-size: 14.5px; }
.feature-card p { margin: 0; font-size: 13px; color: var(--text-dim); line-height: 1.5; }

/* Staggered entrance */
.grid .feature-card:nth-child(1) { animation-delay: .05s; }
.grid .feature-card:nth-child(2) { animation-delay: .10s; }
.grid .feature-card:nth-child(3) { animation-delay: .15s; }
.grid .feature-card:nth-child(4) { animation-delay: .20s; }
.grid .feature-card:nth-child(5) { animation-delay: .25s; }
.grid .feature-card:nth-child(6) { animation-delay: .30s; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.section-title { display: flex; align-items: baseline; gap: 10px; margin: 34px 0 16px; }
.section-title h2 { font-size: 18px; }
.section-title .count {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--accent-strong);
  background: var(--accent-soft);
  padding: 2px 8px; border-radius: 99px;
  border: 1px solid var(--accent-soft);
  font-weight: 600;
}

/* ─── Recent files ─────────────────────────────────────────────────────────── */
.recent-list { display: flex; flex-direction: column; }
.recent-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 18px;
  border-top: 1px solid var(--glass-border);
  font-size: 13.5px;
  transition: background .15s;
}
.recent-row:hover { background: var(--glass-strong); }
.recent-row:first-child { border-top: 0; }
.recent-row .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.empty-note {
  padding: 40px;
  text-align: center;
  color: var(--text-faint);
  font-size: 13.5px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.empty-note::before {
  content: '📭';
  font-size: 32px;
  display: block;
  opacity: .5;
}

/* ─── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: var(--glass-strong);
  color: var(--text); font-weight: 600; font-size: 13.5px;
  cursor: pointer;
  transition: transform .1s, background .15s, box-shadow .15s, border-color .15s;
  white-space: nowrap;
}
.btn:hover {
  background: var(--glass);
  border-color: var(--glass-border-strong);
  box-shadow: var(--shadow-sm);
}
.btn:active { transform: scale(.96); }
.btn:disabled { opacity: .4; cursor: not-allowed; transform: none; box-shadow: none; }
.btn.primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  color: var(--accent-ink);
  border-color: transparent;
  box-shadow: 0 6px 24px var(--accent-glow);
  font-weight: 700;
  letter-spacing: -.01em;
}
.btn.primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 10px 30px var(--accent-glow);
  transform: translateY(-1px);
}
.btn.primary:active { transform: scale(.96) translateY(0); }
.btn.danger { color: var(--danger); border-color: var(--danger-soft); }
.btn.danger:hover { background: var(--danger-soft); }
.btn.small { padding: 6px 14px; font-size: 12.5px; border-radius: var(--radius-sm); }
.btn.block { width: 100%; }

/* ─── Workspace ────────────────────────────────────────────────────────────── */
.workspace { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 20px; align-items: start; }
.workspace .options-col { position: sticky; top: calc(var(--topbar-h) + 20px); }

/* ─── Dropzone ─────────────────────────────────────────────────────────────── */
.dropzone {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px;
  min-height: 320px;
  border: 2px dashed var(--glass-border-strong);
  border-radius: var(--radius-xl);
  background: var(--glass);
  text-align: center; padding: 36px;
  cursor: pointer;
  transition: border-color .2s, background .2s, transform .2s var(--spring);
  position: relative; overflow: hidden;
}
.dropzone::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, var(--accent-soft), transparent 70%);
  opacity: 0;
  transition: opacity .25s;
}
.dropzone:hover::before, .dropzone.drag::before { opacity: 1; }
.dropzone:hover, .dropzone.drag {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent-soft) 60%, var(--glass));
  transform: scale(1.01);
}
.dropzone .icon-chip {
  width: 60px; height: 60px; display: grid; place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent-soft), rgba(167,139,250,.2));
  color: var(--accent-strong);
  border: 1px solid var(--accent-soft);
  position: relative; z-index: 1;
  transition: transform .25s var(--spring);
}
.dropzone:hover .icon-chip { transform: scale(1.12) rotate(-5deg); }
.dropzone h3 { margin: 0; position: relative; z-index: 1; }
.dropzone p { margin: 0; color: var(--text-dim); font-size: 13px; position: relative; z-index: 1; }

/* ─── Upload progress ──────────────────────────────────────────────────────── */
.upload-progress {
  display: flex; flex-direction: column; justify-content: center; gap: 20px;
  min-height: 320px;
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-xl);
  background: var(--glass);
  padding: 32px 40px;
  animation: fadeInUp .3s var(--ease) both;
}
.upload-progress-head { display: flex; align-items: center; gap: 14px; }
.upload-progress-head .icon-chip {
  width: 48px; height: 48px; flex-shrink: 0; display: grid; place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent-soft), rgba(167,139,250,.2));
  color: var(--accent-strong);
  border: 1px solid var(--accent-soft);
  animation: uploadPulse 1.6s ease-in-out infinite;
}
@keyframes uploadPulse {
  0%, 100% { box-shadow: 0 0 0 0 var(--accent-soft); }
  50% { box-shadow: 0 0 0 8px transparent; }
}
.upload-progress-info { min-width: 0; }
.upload-progress-info h3 { margin: 0 0 3px; font-size: 15.5px; }
.upload-progress-file {
  margin: 0; font-size: 12.5px; color: var(--text-dim); font-family: var(--font-mono);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.upload-progress-stats {
  display: flex; align-items: center; gap: 10px;
  font-size: 12.5px; color: var(--text-faint);
}
.upload-progress-stats strong { color: var(--text-dim); font-weight: 600; margin-left: 4px; }
.upload-progress-dot { opacity: .5; }
.upload-progress .progress-rail { height: 8px; }
.upload-progress-foot { display: flex; flex-direction: column; align-items: center; gap: 2px; margin-top: 2px; }
.upload-progress-pct-num {
  font-family: var(--font-display); font-weight: 800; font-size: 38px; letter-spacing: -.02em;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.upload-progress-pct-label {
  font-size: 11px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--text-faint);
}

/* ─── Viewer ───────────────────────────────────────────────────────────────── */
.viewer { display: grid; grid-template-columns: 128px minmax(0, 1fr); min-height: 480px; overflow: hidden; }
.thumbs {
  border-right: 1px solid var(--glass-border);
  overflow-y: auto; max-height: 72vh;
  padding: 10px; display: flex; flex-direction: column; gap: 8px;
  background: color-mix(in srgb, var(--bg) 40%, transparent);
  scrollbar-width: thin;
  scrollbar-color: var(--glass-border) transparent;
}
.thumb {
  border: 2px solid transparent; border-radius: 10px; overflow: hidden;
  cursor: pointer; background: var(--canvas-bg);
  padding: 0; position: relative;
  transition: border-color .15s, transform .15s var(--spring);
}
.thumb img { display: block; width: 100%; }
.thumb:hover { transform: scale(1.03); }
.thumb.active { border-color: var(--accent); box-shadow: 0 0 12px var(--accent-soft); }
.thumb .pnum {
  position: absolute; right: 4px; bottom: 4px;
  font-family: var(--font-mono); font-size: 10px;
  background: rgba(0,0,0,.65); color: #fff;
  padding: 1px 5px; border-radius: 4px;
}
.canvas-area {
  display: flex; align-items: flex-start; justify-content: center;
  overflow: auto; max-height: 72vh;
  background: var(--canvas-bg); padding: 24px;
}
.canvas-area img {
  max-width: 100%;
  box-shadow: 0 12px 40px rgba(0,0,0,.4);
  border-radius: 6px;
  background: #fff;
}
.viewer-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 16px;
  border-top: 1px solid var(--glass-border);
  background: color-mix(in srgb, var(--bg) 30%, transparent);
}
.viewer-bar .file-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 13px; color: var(--text-dim); }
.page-indicator { font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); min-width: 74px; text-align: center; }

/* ─── Forms ─────────────────────────────────────────────────────────────────── */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 6px; color: var(--text-dim); letter-spacing: .01em; }
.field .help { font-size: 11.5px; color: var(--text-faint); margin-top: 5px; line-height: 1.5; }
.input, select.input, textarea.input {
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  outline: none;
}
input[type="color"].input { padding: 3px; height: 40px; cursor: pointer; }
.check { display: flex; align-items: center; gap: 10px; font-size: 13.5px; cursor: pointer; }
.check input { width: 16px; height: 16px; accent-color: var(--accent); border-radius: 4px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.file-chips { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; }
.file-chip {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--glass-border); border-radius: var(--radius-md);
  background: var(--glass); font-size: 13px;
  transition: border-color .15s;
}
.file-chip:hover { border-color: var(--glass-border-strong); }
.file-chip .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-chip .meta { font-family: var(--font-mono); font-size: 11px; color: var(--text-faint); }
.file-chip .x { border: 0; background: none; color: var(--text-faint); cursor: pointer; padding: 3px; border-radius: 4px; transition: color .15s, background .15s; }
.file-chip .x:hover { color: var(--danger); background: var(--danger-soft); }
.file-chip .order-btns { display: flex; gap: 2px; }
.file-chip.locked { border-color: var(--warn); background: var(--warn-soft); }

/* ─── Progress ───────────────────────────────────────────────────────────────── */
.progress-rail {
  height: 6px; border-radius: 99px;
  background: var(--glass-strong);
  overflow: hidden;
}
.progress-rail .fill {
  height: 100%; width: 0%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-strong));
  background-size: 200% 100%;
  animation: gradientShift 2s linear infinite;
  transition: width .3s var(--ease);
}
@keyframes gradientShift {
  0% { background-position: 0% 0%; }
  100% { background-position: 200% 0%; }
}
.progress-rail.indet .fill { width: 30%; animation: indet 1.2s infinite var(--ease), gradientShift 2s linear infinite; }
@keyframes indet { from { margin-left: -30%; } to { margin-left: 100%; } }
.progress-meta { display: flex; justify-content: space-between; gap: 10px; font-size: 12.5px; color: var(--text-dim); margin-top: 10px; }

.status-panel { margin-top: 18px; }
.status-panel .counts { display: flex; gap: 14px; margin-top: 10px; font-size: 13px; }
.count-ok { color: var(--ok); font-weight: 700; }
.count-fail { color: var(--danger); font-weight: 700; }

.result-list { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }
.result-row {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--glass-border); border-radius: var(--radius-md);
  background: var(--glass); font-size: 13px;
  transition: border-color .15s;
}
.result-row:hover { border-color: var(--accent); }
.result-row .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.search-results { margin-top: 14px; max-height: 380px; overflow-y: auto; display: flex; flex-direction: column; gap: 6px; scrollbar-width: thin; }
.match-row {
  display: flex; gap: 10px; align-items: baseline;
  padding: 9px 14px;
  border: 1px solid var(--glass-border); border-radius: var(--radius-md);
  background: var(--glass);
  font-size: 13px; cursor: pointer;
  transition: border-color .15s, background .15s, transform .12s;
}
.match-row:hover { border-color: var(--accent); background: var(--accent-soft); transform: translateX(3px); }
.match-row .pg { font-family: var(--font-mono); font-size: 11.5px; color: var(--accent-strong); flex: 0 0 auto; font-weight: 600; }
.match-row .snip { color: var(--text-dim); min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ─── Toasts ──────────────────────────────────────────────────────────────── */
.toasts { position: fixed; right: 22px; bottom: 22px; display: flex; flex-direction: column; gap: 10px; z-index: 100; }
.toast {
  display: flex; align-items: center; gap: 12px;
  min-width: 260px; max-width: 400px;
  padding: 14px 16px;
  border-radius: var(--radius-lg);
  background: var(--glass-strong);
  border: 1px solid var(--glass-border-strong);
  backdrop-filter: blur(24px) saturate(150%);
  box-shadow: var(--shadow);
  font-size: 13.5px;
  animation: toast-in .3s var(--spring);
}
.toast.ok { border-left: 3px solid var(--ok); }
.toast.err { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--accent); }
@keyframes toast-in { from { opacity: 0; transform: translateY(14px) scale(.95); } }
.toast.out { opacity: 0; transform: translateY(8px) scale(.95); transition: all .25s; }

/* ─── Modals ─────────────────────────────────────────────────────────────── */
.modal-back {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(4, 6, 12, .65);
  backdrop-filter: blur(6px);
  display: grid; place-items: center;
}
.modal { width: min(440px, calc(100vw - 40px)); padding: 28px; }
.modal h3 { margin-bottom: 8px; }
.modal .modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }
[hidden] { display: none !important; }

/* ─── Icons ──────────────────────────────────────────────────────────────── */
.icon { width: 18px; height: 18px; stroke: currentColor; stroke-width: 1.8; fill: none; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.icon.lg { width: 24px; height: 24px; }

/* ─── Error Page ──────────────────────────────────────────────────────────── */
.error-hero { padding: 80px 40px; text-align: center; }
.error-hero .code {
  font-family: var(--font-mono); font-size: 72px;
  font-weight: 800; letter-spacing: -.04em;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 1080px) {
  .workspace { grid-template-columns: 1fr; }
  .workspace .options-col { position: static; }
}
@media (max-width: 860px) {
  .sidebar { transform: translateX(-100%); transition: transform .25s var(--ease); width: var(--sidebar-w); }
  .shell.sidebar-open .sidebar { transform: none; box-shadow: var(--shadow); }
  .main, .shell.collapsed .main { margin-left: 0; }
  .content { padding: 18px 16px 70px; }
  .hero { padding: 32px 24px; }
  .hero-ghost { display: none; }
  .viewer { grid-template-columns: 1fr; }
  .thumbs { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

/* ══════════════════════════════════════════════════════════════
   DASHBOARD HOME — new layout components
══════════════════════════════════════════════════════════════ */

/* ─── Hero: two-column split ─────────────────────────────── */
.hero-split {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  align-items: center;
  padding: 24px 44px 28px;
  margin-bottom: 22px;
  overflow: hidden;
  position: relative;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 600;
  color: var(--accent-strong);
  margin-bottom: 14px;
  letter-spacing: .02em;
  background: var(--accent-soft);
  border: 1px solid rgba(124,109,250,.2);
  padding: 5px 12px; border-radius: 99px;
  width: fit-content;
}
.status-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 3px var(--ok-soft);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px var(--ok-soft); }
  50%       { box-shadow: 0 0 0 6px transparent; }
}
.hero-left .hero h1,
.hero-split h1 {
  font-size: clamp(26px, 3.5vw, 42px);
  line-height: 1.15;
  margin-bottom: 16px;
}
.hero-cta-row {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-top: 26px;
}
.hero-cta-row .btn { padding: 10px 20px; font-size: 13.5px; }

/* ─── Hero right: stats + features ──────────────────────── */
.hero-right {
  display: flex; flex-direction: column; gap: 16px;
}
.hero-stats-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
.hero-stat {
  background: var(--glass-strong);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  display: flex; flex-direction: column; gap: 4px;
  text-align: center;
  transition: transform .2s var(--spring), border-color .2s;
}
.hero-stat:hover { transform: translateY(-3px); border-color: var(--accent); }
.hero-stat-num {
  font-size: 28px; font-weight: 800;
  letter-spacing: -.04em;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-stat-label { font-size: 11px; font-weight: 600; color: var(--text-faint); text-transform: uppercase; letter-spacing: .08em; }
.hero-features { display: flex; flex-direction: column; gap: 8px; }
.hero-feature {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--text-dim);
  font-weight: 500;
}
.hero-feature .icon { color: var(--ok); flex-shrink: 0; }

/* ─── Quick action bar ───────────────────────────────────── */
.quick-bar {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 18px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  margin-bottom: 22px;
  overflow-x: auto;
  scrollbar-width: none;
}
.quick-bar::-webkit-scrollbar { display: none; }
.quick-bar-label {
  font-size: 11px; font-weight: 700; letter-spacing: .1em;
  text-transform: uppercase; color: var(--text-faint);
  white-space: nowrap; flex-shrink: 0;
}
.quick-bar-actions { display: flex; gap: 8px; flex-wrap: nowrap; }
.quick-chip {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 7px 14px;
  border-radius: 99px;
  background: var(--glass-strong);
  border: 1px solid var(--glass-border);
  color: var(--text-dim);
  font-size: 13px; font-weight: 600;
  white-space: nowrap;
  transition: background .15s, color .15s, border-color .15s, transform .15s var(--spring), box-shadow .15s;
}
.quick-chip:hover {
  background: var(--accent-soft);
  color: var(--accent-strong);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--accent-soft);
}
.quick-chip .icon { width: 15px; height: 15px; }
.quick-chip--accent {
  background: linear-gradient(135deg, var(--accent-soft), rgba(167,139,250,.15));
  border-color: rgba(124,109,250,.25);
  color: var(--accent-strong);
}
.quick-chip--accent:hover {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-ink);
  border-color: transparent;
}

/* ─── Dashboard body: tools + aside ─────────────────────── */
.dashboard-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 22px;
  align-items: start;
}

/* ─── Tab navigation ─────────────────────────────────────── */
.tools-browser {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  overflow: hidden;
}
.tab-nav {
  display: flex; gap: 2px;
  padding: 12px 14px 0;
  border-bottom: 1px solid var(--glass-border);
  overflow-x: auto;
  scrollbar-width: none;
}
.tab-nav::-webkit-scrollbar { display: none; }
.tab-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 14px;
  font-size: 13px; font-weight: 600;
  color: var(--text-dim);
  background: none;
  border: none; border-bottom: 2px solid transparent;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  cursor: pointer;
  white-space: nowrap;
  transition: color .15s, background .15s, border-color .15s;
  margin-bottom: -1px;
}
.tab-btn:hover { color: var(--text); background: var(--glass-strong); }
.tab-btn.active {
  color: var(--accent-strong);
  border-bottom-color: var(--accent);
  background: var(--accent-soft);
}
.tab-count {
  font-size: 10px; font-weight: 700;
  padding: 1px 6px; border-radius: 99px;
  background: var(--glass-strong);
  color: var(--text-faint);
}
.tab-btn.active .tab-count {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

/* ─── Tab panel & tool cards ─────────────────────────────── */
.tab-panel { display: none; padding: 14px; }
.tab-panel.active { display: block; animation: fadeInUp .25s var(--ease) both; }

.tool-grid {
  display: flex; flex-direction: column; gap: 4px;
}
.tool-card {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 14px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  color: var(--text);
  transition: background .15s, border-color .15s, transform .15s var(--spring);
  cursor: pointer;
}
.tool-card:hover {
  background: var(--glass-strong);
  border-color: var(--glass-border-strong);
  transform: translateX(4px);
  color: var(--text);
}
.tool-card-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  color: var(--accent-strong);
  border: 1px solid var(--accent-soft);
  transition: transform .2s var(--spring);
}
.tool-card:hover .tool-card-icon { transform: scale(1.1) rotate(-5deg); }
.tool-card-body { flex: 1; min-width: 0; }
.tool-card-name { font-size: 14px; font-weight: 600; margin-bottom: 2px; }
.tool-card-desc { font-size: 12px; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tool-card-arrow {
  color: var(--text-faint);
  transform: rotate(-90deg);
  transition: color .15s, transform .15s;
}
.tool-card:hover .tool-card-arrow { color: var(--accent); transform: rotate(-90deg) translateX(-2px); }

/* ─── Dashboard aside ────────────────────────────────────── */
.dashboard-aside {
  display: flex; flex-direction: column; gap: 16px;
  position: sticky; top: calc(var(--topbar-h) + 20px);
}
.aside-card { overflow: hidden; }
.aside-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--glass-border);
}
.aside-title { font-size: 13px; font-weight: 700; color: var(--text); letter-spacing: -.01em; }

/* Recent items */
.aside-recent { display: flex; flex-direction: column; max-height: 340px; overflow-y: auto; scrollbar-width: thin; }
.aside-empty {
  padding: 28px 16px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  text-align: center;
}
.aside-empty p { font-size: 12.5px; color: var(--text-faint); margin: 0; }
.recent-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  border-top: 1px solid var(--glass-border);
  color: var(--text);
  font-size: 13px;
  transition: background .15s;
  cursor: pointer;
}
.recent-item:first-child { border-top: none; }
.recent-item:hover { background: var(--glass-strong); color: var(--text); }
.recent-item-icon { font-size: 18px; flex-shrink: 0; }
.recent-item-body { flex: 1; min-width: 0; }
.recent-item-name { display: block; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.recent-item-meta { display: block; font-size: 11px; color: var(--text-faint); margin-top: 2px; }
.recent-item-arrow { color: var(--text-faint); transform: rotate(-90deg); flex-shrink: 0; }

/* Tips list */
.aside-tips { }
.tips-list {
  list-style: none; margin: 0; padding: 10px 14px 14px;
  display: flex; flex-direction: column; gap: 10px;
}
.tips-list li {
  font-size: 12.5px; color: var(--text-dim);
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap;
}
.tips-list .kbd { font-size: 10.5px; }

/* ─── Responsive: dashboard ──────────────────────────────── */
@media (max-width: 1140px) {
  .hero-split { grid-template-columns: 1fr; }
  .hero-right { display: none; }
  .dashboard-body { grid-template-columns: 1fr; }
  .dashboard-aside { position: static; }
}
@media (max-width: 860px) {
  /* Sidebar off-canvas for mobile */
  .sidebar { transform: translateX(-100%); transition: transform 0.3s var(--ease); }
  .shell.sidebar-open .sidebar { transform: translateX(0); box-shadow: var(--shadow); }
  .shell.sidebar-open::after {
    content: ''; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 35;
  }
  .main { margin-left: 0; }
  .shell.collapsed .main { margin-left: 0; }
  
  .content { padding: 20px 16px 70px; }
  .topbar { padding: 0 16px; }
}

@media (max-width: 720px) {
  .hero-split { padding: 30px 22px; }
  .quick-bar { padding: 10px 14px; }
  .hero-cta-row { flex-direction: column; }
  .hero-cta-row .btn { width: 100%; justify-content: center; }
  .hero-split h1 { font-size: 26px; }
  
  /* Make tool cards look better on small screens */
  .tool-grid { gap: 8px; }
  .tool-card { padding: 12px; }
  .tool-card-icon { width: 36px; height: 36px; }
}

/* ══════════════════════════════════════════════════════════════
   MOBILE PHONE — Comprehensive mobile-first experience
   Breakpoints: ≤ 860px (tablet), ≤ 720px, ≤ 480px (phone),
                ≤ 360px (small phone)
══════════════════════════════════════════════════════════════ */

/* ─── Mobile Bottom Navigation Bar ───────────────────────── */
.mobile-bottom-nav {
  display: none; /* hidden on desktop */
}

@media (max-width: 860px) {
  /* Show mobile bottom nav */
  .mobile-bottom-nav {
    display: flex;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    height: 64px;
    padding-bottom: env(safe-area-inset-bottom, 0);
    background: var(--sidebar-bg);
    border-top: 1px solid var(--glass-border-strong);
    backdrop-filter: blur(24px) saturate(160%);
    -webkit-backdrop-filter: blur(24px) saturate(160%);
    z-index: 45;
    align-items: stretch;
    justify-content: space-around;
  }
  .mobile-bottom-nav .mob-nav-item {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 3px;
    flex: 1;
    padding: 6px 4px;
    color: var(--text-faint);
    font-size: 10px; font-weight: 600;
    text-decoration: none;
    border: none; background: none;
    cursor: pointer;
    transition: color .15s;
    position: relative;
    -webkit-tap-highlight-color: transparent;
  }
  .mobile-bottom-nav .mob-nav-item .icon {
    width: 22px; height: 22px;
    transition: transform .15s var(--spring), color .15s;
  }
  .mobile-bottom-nav .mob-nav-item.active {
    color: var(--accent-strong);
  }
  .mobile-bottom-nav .mob-nav-item.active .icon {
    transform: scale(1.12);
  }
  .mobile-bottom-nav .mob-nav-item.active::before {
    content: '';
    position: absolute; top: 0; left: 25%; right: 25%;
    height: 3px;
    border-radius: 0 0 99px 99px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
  }
  .mobile-bottom-nav .mob-nav-item:active .icon {
    transform: scale(.9);
  }
  .mob-nav-label {
    letter-spacing: .02em;
  }

  /* Add bottom padding to content to prevent overlap with bottom nav */
  .content {
    padding-bottom: calc(80px + env(safe-area-inset-bottom, 0)) !important;
  }

  /* Toasts above bottom nav */
  .toasts {
    bottom: calc(72px + env(safe-area-inset-bottom, 0));
  }

  /* Notification panel repositioning for mobile */
  .notif-panel {
    left: 12px; right: 12px;
    bottom: calc(80px + env(safe-area-inset-bottom, 0));
    width: auto;
  }

  /* Sidebar overlay background clickable */
  .shell.sidebar-open::after {
    cursor: pointer;
  }

  /* Topbar: smaller height for mobile */
  .topbar {
    height: 52px;
  }
  :root {
    --topbar-h: 52px;
  }
}

/* ─── Phone-specific (≤ 480px) ───────────────────────────── */
@media (max-width: 480px) {
  /* Prevent iOS zoom on input focus (keep font-size ≥ 16px) */
  .input, select.input, textarea.input {
    font-size: 16px;
  }

  /* Base typography adjustments */
  body { font-size: 14px; }
  h1 { font-size: 24px; }
  h2 { font-size: 18px; }

  /* Content: tighter padding */
  .content { padding: 14px 12px calc(80px + env(safe-area-inset-bottom, 0)); }

  /* Hero: compact mobile layout */
  .hero-split {
    padding: 24px 16px 22px;
    gap: 16px;
    margin-bottom: 14px;
  }
  .hero-split h1 { font-size: 22px; line-height: 1.2; }
  .hero-split h1 br { display: none; }
  .hero .lede,
  .hero-split .lede {
    font-size: 13.5px; line-height: 1.6;
  }
  .hero-eyebrow {
    font-size: 11px; padding: 4px 10px;
    margin-bottom: 10px;
  }
  .hero::after { width: 200px; height: 200px; top: -50px; right: -50px; }

  /* Hero CTA: full width stacked buttons */
  .hero-cta-row {
    flex-direction: column; gap: 8px; margin-top: 18px;
  }
  .hero-cta-row .btn {
    width: 100%; justify-content: center;
    padding: 12px 16px; font-size: 14px;
    min-height: 44px; /* touch target */
  }

  /* Quick bar: scrollable chips */
  .quick-bar {
    padding: 10px 12px;
    gap: 10px;
    margin-bottom: 14px;
    border-radius: var(--radius-md);
    -webkit-overflow-scrolling: touch;
  }
  .quick-bar-label { font-size: 10px; }
  .quick-chip {
    padding: 8px 12px;
    font-size: 12px;
    min-height: 36px;
  }

  /* Tab nav: scrollable, touch-friendly */
  .tab-nav {
    padding: 8px 10px 0;
    gap: 4px;
    -webkit-overflow-scrolling: touch;
  }
  .tab-btn {
    padding: 10px 12px;
    font-size: 12.5px;
    min-height: 40px;
  }
  .tab-count { font-size: 9px; padding: 1px 5px; }
  .tab-panel { padding: 10px; }

  /* Tool cards: touch-friendly sizing */
  .tool-grid { gap: 6px; }
  .tool-card {
    padding: 14px 12px;
    gap: 12px;
    min-height: 60px;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
  }
  .tool-card:hover { transform: none; }
  .tool-card:active {
    background: var(--accent-soft);
    transform: scale(.98);
  }
  .tool-card-icon { width: 38px; height: 38px; }
  .tool-card-name { font-size: 13.5px; }
  .tool-card-desc {
    font-size: 11.5px;
    white-space: normal;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
  }

  /* Workspace: stacked on phone */
  .workspace {
    grid-template-columns: 1fr !important;
    gap: 14px;
  }
  .workspace .options-col {
    position: static;
    order: -1; /* options first on mobile for better UX */
  }

  /* Dropzone: compact */
  .dropzone {
    min-height: 200px;
    padding: 28px 18px;
    border-radius: var(--radius-lg);
  }
  .dropzone .icon-chip { width: 48px; height: 48px; border-radius: 14px; }
  .dropzone h3 { font-size: 15px; }
  .dropzone p { font-size: 12px; }

  /* Upload progress: compact */
  .upload-progress { min-height: 200px; padding: 24px 20px; border-radius: var(--radius-lg); gap: 16px; }
  .upload-progress-stats { flex-wrap: wrap; }
  .upload-progress-pct-num { font-size: 30px; }

  /* Viewer: mobile-optimized */
  .viewer {
    grid-template-columns: 1fr;
    min-height: 300px;
  }
  .thumbs { display: none; }
  .canvas-area {
    max-height: 55vh;
    padding: 12px;
    -webkit-overflow-scrolling: touch;
  }
  .viewer-bar {
    padding: 8px 10px;
    gap: 6px;
    flex-wrap: wrap;
  }
  .viewer-bar .file-name { font-size: 12px; flex-basis: 100%; margin-bottom: 4px; }
  .page-indicator { font-size: 11px; min-width: 60px; }

  /* Cards */
  .card { border-radius: var(--radius-md); }
  .card-pad { padding: 16px; }

  /* Buttons: touch-friendly minimum 44px height */
  .btn {
    padding: 11px 18px;
    font-size: 13.5px;
    min-height: 44px;
    border-radius: var(--radius-md);
  }
  .btn.small { padding: 8px 12px; font-size: 12px; min-height: 36px; }
  .btn.primary { padding: 12px 20px; }

  /* Forms: larger touch targets */
  .field label { font-size: 13px; margin-bottom: 8px; }
  .field .help { font-size: 12px; }
  .check { font-size: 14px; gap: 12px; min-height: 44px; }
  .check input { width: 20px; height: 20px; }
  .field-row { grid-template-columns: 1fr; gap: 12px; }

  /* File chips */
  .file-chip { padding: 10px 12px; font-size: 13px; }
  .file-chip .meta { font-size: 10.5px; }

  /* Progress */
  .progress-rail { height: 8px; border-radius: 99px; }
  .progress-meta { font-size: 12px; }

  /* Result rows */
  .result-row {
    padding: 12px;
    gap: 8px;
    flex-wrap: wrap;
  }
  .result-row .name { flex-basis: 100%; }

  /* Search results */
  .search-results { max-height: 300px; }
  .match-row { padding: 10px 12px; font-size: 12.5px; }

  /* Modals: full-width on phone */
  .modal { width: calc(100vw - 24px); padding: 20px; }
  .modal h3 { font-size: 16px; }
  .modal-actions { flex-direction: column; gap: 8px; }
  .modal-actions .btn { width: 100%; }

  /* Auth modal */
  .auth-card { width: calc(100vw - 16px); }
  .auth-form { padding: 18px; }
  .auth-header { gap: 10px; margin-bottom: 16px; }
  .auth-icon { width: 38px; height: 38px; }
  .auth-socials { grid-template-columns: 1fr; gap: 8px; }

  /* Upgrade modal */
  .upgrade-card { width: calc(100vw - 16px); padding: 20px; }
  .upgrade-plans { grid-template-columns: 1fr; gap: 14px; }
  .upgrade-header h2 { font-size: 22px; }
  .upgrade-plan-price { font-size: 32px; }

  /* Toast: full width */
  .toasts { left: 12px; right: 12px; }
  .toast {
    min-width: auto; max-width: none; width: 100%;
    padding: 12px 14px; font-size: 13px;
    border-radius: var(--radius-md);
  }

  /* Sidebar: fullscreen drawer on phone */
  .sidebar {
    width: 100vw;
    max-width: 320px;
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0));
  }

  /* Brand: more compact */
  .brand { padding: 8px 8px 12px; }
  .brand-mark { width: 34px; height: 34px; flex: 0 0 34px; font-size: 10px; }
  .brand-name { font-size: 15px; }

  /* Aside sections */
  .aside-recent { max-height: 260px; }
  .recent-item { padding: 12px 14px; min-height: 48px; }

  /* Settings page */
  .grid {
    grid-template-columns: 1fr !important;
  }

  /* Recent list rows */
  .recent-row { padding: 12px 14px; font-size: 13px; }

  /* Error page */
  .error-hero { padding: 40px 20px; }
  .error-hero .code { font-size: 48px; }
}

/* ─── Small phones (≤ 360px) ─────────────────────────────── */
@media (max-width: 360px) {
  .content { padding: 10px 8px calc(80px + env(safe-area-inset-bottom, 0)); }

  .hero-split { padding: 18px 12px 16px; }
  .hero-split h1 { font-size: 20px; }
  .hero .lede { font-size: 12.5px; }
  .hero-eyebrow { font-size: 10px; padding: 3px 8px; }

  .quick-bar { padding: 8px 10px; gap: 8px; }
  .quick-chip { padding: 6px 10px; font-size: 11px; }

  .tab-btn { padding: 8px 10px; font-size: 11.5px; }

  .tool-card { padding: 12px 10px; }
  .tool-card-icon { width: 34px; height: 34px; }
  .tool-card-name { font-size: 13px; }
  .tool-card-desc { font-size: 11px; }

  .dropzone { min-height: 160px; padding: 20px 14px; }
  .dropzone .icon-chip { width: 42px; height: 42px; }
  .dropzone h3 { font-size: 14px; }

  .card-pad { padding: 12px; }

  .btn { padding: 10px 14px; font-size: 13px; }
  .btn.primary { padding: 11px 16px; }

  .sidebar { max-width: 280px; }
  .brand-mark { width: 30px; height: 30px; flex: 0 0 30px; font-size: 9px; }
  .brand-name { font-size: 14px; }
  .nav-item { padding: 8px 10px; font-size: 12.5px; }

  .mobile-bottom-nav .mob-nav-item .icon { width: 20px; height: 20px; }
  .mob-nav-label { font-size: 9px; }
}

/* ─── Touch optimizations ────────────────────────────────── */
@media (hover: none) and (pointer: coarse) {
  /* Disable hover transforms on touch devices */
  .feature-card:hover { transform: none; }
  .hero-stat:hover { transform: none; }
  .tool-card:hover { transform: none; }
  .quick-chip:hover { transform: none; }
  .nav-item:hover { transform: none; }
  .sb-upgrade-btn:hover { transform: none; }
  .btn.primary:hover { transform: none; }

  /* Active states for touch feedback */
  .feature-card:active { transform: scale(.98); }
  .tool-card:active {
    background: var(--accent-soft);
    border-color: var(--accent);
    transform: scale(.98);
  }
  .quick-chip:active {
    background: var(--accent-soft);
    color: var(--accent-strong);
    transform: scale(.95);
  }
  .nav-item:active {
    background: var(--glass-strong);
    transform: scale(.97);
  }
  .btn:active { transform: scale(.96); }

  /* Larger touch targets */
  .icon-btn { width: 40px; height: 40px; }
}

/* ─── Landscape phone ────────────────────────────────────── */
@media (max-height: 500px) and (max-width: 860px) {
  .mobile-bottom-nav { height: 52px; }
  .mobile-bottom-nav .mob-nav-item .icon { width: 18px; height: 18px; }
  .mob-nav-label { font-size: 9px; }
  .hero-split { padding: 16px; }
  .hero-split h1 { font-size: 20px; }
  .content { padding-bottom: calc(64px + env(safe-area-inset-bottom, 0)) !important; }
  .dropzone { min-height: 160px; }
  .canvas-area { max-height: 40vh; }
}

/* ─── iOS safe-area viewport support ─────────────────────── */
@supports (padding: env(safe-area-inset-bottom)) {
  .mobile-bottom-nav {
    height: calc(64px + env(safe-area-inset-bottom, 0));
    padding-bottom: env(safe-area-inset-bottom, 0);
  }
  .sidebar {
    padding-bottom: calc(12px + env(safe-area-inset-bottom, 0));
  }
}

/* ==========================================================================
   REFRESH LAYER — animated hero, richer cards, centered upload overlay
   Appended enhancement; builds on the existing Aurora classes above.
   ========================================================================== */

/* ─── Hero: animate the glow orb + ghost + sheen ─────────────────────────── */
.hero::after { animation: heroFloat 9s ease-in-out infinite; }
@keyframes heroFloat { 0%,100% { transform: translateY(0) scale(1); } 50% { transform: translateY(26px) scale(1.08); } }
.hero-ghost { animation: heroGhost 12s ease-in-out infinite; }
@keyframes heroGhost { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
.hero::before { animation: heroSheen 7s ease-in-out infinite; }
@keyframes heroSheen { 0%,100% { opacity: .5; transform: translateX(-6%); } 50% { opacity: 1; transform: translateX(6%); } }
.hero, .quick-bar, .hero-stat { animation: fadeInUp .5s var(--ease) both; }
.quick-bar { animation-delay: .06s; }

/* Second floating orb for depth */
.hero-split { position: relative; }
.hero-split::after {
  content: ''; position: absolute; left: 34%; bottom: -70px;
  width: 190px; height: 190px; border-radius: 50%; z-index: 0;
  background: radial-gradient(circle, rgba(124,109,250,.28) 0%, transparent 70%);
  filter: blur(20px); pointer-events: none;
  animation: heroFloat 10s ease-in-out infinite reverse;
}
.hero-split > * { position: relative; z-index: 1; }

/* ─── Stat tiles: subtle sheen on hover ──────────────────────────────────── */
.hero-stat { position: relative; overflow: hidden; }
.hero-stat::after {
  content: ''; position: absolute; inset: 0; opacity: 0;
  background: radial-gradient(circle at 70% 0%, var(--accent-soft), transparent 60%);
  transition: opacity .3s var(--ease); pointer-events: none;
}
.hero-stat:hover::after { opacity: 1; }

/* ─── Quick chips: springier ─────────────────────────────────────────────── */
.quick-chip { transition: background .18s, color .18s, border-color .18s, transform .22s var(--spring), box-shadow .22s; }
.quick-chip:hover { transform: translateY(-3px) scale(1.03); }

/* ─── Nav items: slide on hover ──────────────────────────────────────────── */
.nav-item { transition: background .16s, color .16s, transform .2s var(--spring); }
.nav-item:not(.active):hover { transform: translateX(4px); }

/* ─── Tool cards: lift + gradient-border glow + arrow reveal ─────────────── */
.tool-card { position: relative; overflow: hidden; transition: background .2s, border-color .2s, transform .28s var(--spring), box-shadow .28s; }
.tool-card::after {
  content: ''; position: absolute; inset: 0; border-radius: var(--radius-md);
  padding: 1px; opacity: 0; pointer-events: none;
  background: linear-gradient(135deg, var(--accent), transparent 55%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  transition: opacity .3s var(--ease);
}
.tool-card:hover {
  background: var(--glass-strong);
  border-color: transparent;
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.tool-card:hover::after { opacity: 1; }
.tool-card:hover .tool-card-icon {
  transform: scale(1.14) rotate(-6deg);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--accent-ink);
}
.tool-card:hover .tool-card-arrow { color: var(--accent); transform: rotate(-90deg) translateX(-4px); }
.tool-grid .tool-card { animation: fadeInUp .4s var(--ease) both; }
.tool-grid .tool-card:nth-child(2) { animation-delay: .03s; }
.tool-grid .tool-card:nth-child(3) { animation-delay: .06s; }
.tool-grid .tool-card:nth-child(4) { animation-delay: .09s; }
.tool-grid .tool-card:nth-child(5) { animation-delay: .12s; }
.tool-grid .tool-card:nth-child(6) { animation-delay: .15s; }
.tool-grid .tool-card:nth-child(7) { animation-delay: .18s; }
.tool-grid .tool-card:nth-child(8) { animation-delay: .21s; }

/* ─── Upload progress → centered overlay with green bar + checkmark ──────── */
.upload-progress {
  position: fixed; inset: 0; z-index: 120;
  min-height: 0; margin: 0; padding: 24px;
  background: rgba(6, 4, 16, .72);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  align-items: center; justify-content: center; gap: 0;
  border: none; border-radius: 0;
  animation: fadeIn .25s var(--ease);
}
html[data-theme="light"] .upload-progress { background: rgba(30, 22, 60, .40); }
.upload-progress[hidden] { display: none; }
.upload-progress:not([hidden]) { display: flex; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.upload-progress-card {
  width: min(460px, 94vw);
  display: flex; flex-direction: column; gap: 18px;
  background: var(--bg-soft);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-xl);
  padding: 32px 34px;
  box-shadow: var(--shadow);
  text-align: center;
  animation: popIn .4s var(--spring) both;
}
@keyframes popIn { from { opacity: 0; transform: translateY(18px) scale(.96); } to { opacity: 1; transform: none; } }

.upload-progress-card .upload-progress-head { justify-content: center; }
.upload-progress-card .upload-progress-stats { justify-content: center; }
.upload-progress-card .upload-progress-info { text-align: left; }

/* Green fill + shimmer while uploading */
.upload-progress .progress-rail { height: 10px; }
.upload-progress .progress-rail .fill {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  animation: none; position: relative; overflow: hidden;
}
.upload-progress .progress-rail .fill::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.5), transparent);
  transform: translateX(-100%); animation: barShimmer 1.2s linear infinite;
}
@keyframes barShimmer { to { transform: translateX(100%); } }

.upload-progress-pct-num {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text; background-clip: text;
}
.upload-progress-card .icon-chip {
  background: var(--accent-soft); color: var(--accent-strong); border-color: var(--accent-soft);
}

/* Completion checkmark */
.upload-check {
  width: 58px; height: 58px; margin: 0 auto -4px;
  display: grid; place-items: center; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent-strong);
  transform: scale(0); opacity: 0;
  transition: transform .45s var(--spring), opacity .3s var(--ease);
}
.upload-check svg { width: 30px; height: 30px; }
.upload-progress:not(.upload-complete) .upload-check { display: none; }
.upload-progress.upload-complete .upload-check { transform: scale(1); opacity: 1; }
.upload-progress.upload-complete .upload-progress-head,
.upload-progress.upload-complete .upload-progress-stats { display: none; }
.upload-progress.upload-complete .progress-rail .fill::after { animation: none; opacity: 0; }

/* ==========================================================================
   REFRESH LAYER 2 — tool cards as mockup-style tiles (icon on top, grid)
   ========================================================================== */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}
.tool-card {
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  padding: 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  background: var(--glass);
  min-height: 132px;
}
.tool-card-icon {
  width: 46px; height: 46px;
  margin-bottom: 14px;
}
.tool-card-icon .icon { width: 22px; height: 22px; }
.tool-card-body { width: 100%; }
.tool-card-name { font-size: 15px; font-weight: 700; }
.tool-card-desc { white-space: normal; font-size: 12.5px; line-height: 1.45; }
/* Arrow: hidden by default, slides in on hover at the top-right */
.tool-card-arrow {
  position: absolute; top: 16px; right: 16px;
  transform: rotate(-90deg) translateY(6px);
  opacity: 0; transition: opacity .22s var(--ease), transform .22s var(--spring), color .22s;
}
.tool-card:hover .tool-card-arrow { opacity: 1; transform: rotate(-90deg) translateY(0); color: var(--accent); }
.tool-card:hover { transform: translateY(-5px); }

/* Keep tiles comfortable on small screens */
@media (max-width: 560px) {
  .tool-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
  .tool-card { min-height: 118px; padding: 14px; }
}

/* ==========================================================================
   PREMIUM REDESIGN — glassmorphic dark SaaS (purple · indigo · gold)
   Appended layer: re-themes tokens + adds motion. IA unchanged.
   ========================================================================== */
html[data-theme="dark"] {
  --bg: #0b0716;
  --bg-soft: #171228;
  --glass: rgba(255,255,255,.05);
  --glass-strong: rgba(255,255,255,.08);
  --glass-border: rgba(255,255,255,.08);
  --glass-border-strong: rgba(255,255,255,.16);
  --text: #ECEAF6;
  --text-dim: #A29FC0;
  --text-faint: #6B678A;
  --accent: #7C5CFF;
  --accent-2: #9B7CFF;
  --accent-strong: #BCA9FF;
  --accent-ink: #ffffff;
  --gold: #FFC857;
  --indigo: #5B4BE0;
  --accent-soft: rgba(124,92,255,.16);
  --accent-glow: rgba(124,92,255,.42);
  --ok: #2EE59D;
  --ok-soft: rgba(46,229,157,.15);
  --shadow: 0 24px 70px rgba(0,0,0,.55);
  --shadow-sm: 0 6px 22px rgba(0,0,0,.4);
  --hero-gradient: linear-gradient(135deg, #1b1240 0%, #2c1d70 42%, #130b2e 100%);
  --sidebar-bg: linear-gradient(180deg, rgba(23,18,40,.96), rgba(11,7,22,.985));
}

/* ─── Animated background field ──────────────────────────────────────────── */
.bg-fx { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.bg-fx .blob { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; will-change: transform; }
.bg-fx .blob-1 { width: 46vw; height: 46vw; left: -10vw; top: -12vw; background: radial-gradient(circle, #7C5CFF, transparent 70%); animation: blobDrift1 26s ease-in-out infinite; }
.bg-fx .blob-2 { width: 40vw; height: 40vw; right: -8vw; top: 6vw; background: radial-gradient(circle, #5B4BE0, transparent 70%); animation: blobDrift2 32s ease-in-out infinite; }
.bg-fx .blob-3 { width: 34vw; height: 34vw; left: 34vw; bottom: -14vw; background: radial-gradient(circle, rgba(255,200,87,.5), transparent 70%); opacity: .28; animation: blobDrift3 38s ease-in-out infinite; }
@keyframes blobDrift1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(6vw,4vw) scale(1.12); } }
@keyframes blobDrift2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-5vw,5vw) scale(1.1); } }
@keyframes blobDrift3 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-4vw,-5vw) scale(1.15); } }
.bg-fx .bg-noise { position: absolute; inset: 0; opacity: .035; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* ─── Topbar search ──────────────────────────────────────────────────────── */
.topbar-search {
  display: flex; align-items: center; gap: 9px;
  min-width: 200px; max-width: 340px; flex: 1 1 240px;
  height: 38px; padding: 0 12px; margin: 0 6px;
  border-radius: 12px; background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-dim); cursor: text;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.topbar-search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); background: var(--glass-strong); }
.topbar-search .icon { width: 16px; height: 16px; flex-shrink: 0; }
.topbar-search input { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--text); font: inherit; font-size: 13.5px; outline: none; }
.topbar-search input::placeholder { color: var(--text-faint); }
.topbar-search-kbd { font-size: 11px; font-weight: 700; color: var(--text-faint); border: 1px solid var(--glass-border); border-radius: 6px; padding: 1px 6px; }
@media (max-width: 760px) { .topbar-search { display: none; } }

/* ─── Hero: moving mesh + light + floating illustration ──────────────────── */
.hero-split { border-radius: 24px; }
.hero::after { background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%); }
.hero-split::before {
  content: ''; position: absolute; inset: -1px; border-radius: 24px; z-index: 0; pointer-events: none;
  background:
    radial-gradient(circle 420px at 18% 20%, rgba(124,92,255,.28), transparent 60%),
    radial-gradient(circle 380px at 82% 25%, rgba(255,200,87,.16), transparent 60%),
    radial-gradient(circle 300px at 60% 100%, rgba(91,75,224,.22), transparent 60%);
  background-size: 200% 200%; animation: meshMove 16s ease-in-out infinite;
}
@keyframes meshMove { 0%,100% { background-position: 0% 0%; } 50% { background-position: 100% 100%; } }
.hero-split h1 {
  background: linear-gradient(120deg, #ffffff 0%, var(--accent-strong) 55%, var(--gold) 120%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-fx { position: absolute; right: 30px; top: 24px; bottom: 24px; width: 320px; z-index: 0; pointer-events: none; }
.pdf-sheet {
  position: absolute; display: grid; place-items: center;
  width: 74px; height: 96px; border-radius: 12px;
  font-size: 12px; font-weight: 800; letter-spacing: .06em; color: var(--accent-strong);
  background: linear-gradient(160deg, rgba(255,255,255,.10), rgba(255,255,255,.03));
  border: 1px solid var(--glass-border-strong);
  box-shadow: 0 18px 40px rgba(0,0,0,.4); backdrop-filter: blur(4px);
  will-change: transform;
}
.pdf-sheet-1 { right: 40px; top: 20px; animation: floatY 7s ease-in-out infinite; }
.pdf-sheet-2 { right: 108px; top: 74px; transform: rotate(-8deg); animation: floatY 8.5s ease-in-out infinite 1s; opacity: .82; }
.pdf-sheet-3 { right: 24px; top: 132px; transform: rotate(7deg); animation: floatY 9.5s ease-in-out infinite .5s; opacity: .64; }
@keyframes floatY { 0%,100% { transform: translateY(0) rotate(var(--r,0deg)); } 50% { transform: translateY(-16px) rotate(var(--r,0deg)); } }
.pdf-sheet-2 { --r: -8deg; } .pdf-sheet-3 { --r: 7deg; }
.hero-spark { position: absolute; width: 6px; height: 6px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 10px 2px rgba(255,200,87,.7); animation: sparkle 3.5s ease-in-out infinite; }
.hero-spark.s1 { right: 30px; top: 8px; } .hero-spark.s2 { right: 150px; top: 40px; background: var(--accent-strong); box-shadow: 0 0 10px 2px var(--accent-glow); animation-delay: .6s; }
.hero-spark.s3 { right: 90px; top: 150px; animation-delay: 1.2s; } .hero-spark.s4 { right: 180px; top: 120px; background: var(--accent-strong); animation-delay: 1.8s; } .hero-spark.s5 { right: 60px; top: 200px; animation-delay: 2.4s; }
@keyframes sparkle { 0%,100% { opacity: 0; transform: scale(.4); } 50% { opacity: 1; transform: scale(1); } }
@media (max-width: 980px) { .hero-fx { display: none; } }

/* Pulsing upload button (every 6s) */
.pulse-upload { position: relative; animation: uploadPulse 6s ease-in-out infinite; }
@keyframes uploadPulse { 0%, 82%, 100% { box-shadow: 0 8px 22px var(--accent-glow); } 90% { box-shadow: 0 8px 22px var(--accent-glow), 0 0 0 10px rgba(124,92,255,0); } 86% { box-shadow: 0 8px 22px var(--accent-glow), 0 0 0 0 rgba(124,92,255,.5); } }

/* ─── Buttons: lift, glow, ripple ────────────────────────────────────────── */
.btn { position: relative; overflow: hidden; transition: transform .2s var(--spring), box-shadow .2s, background .2s, border-color .2s; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0) scale(.98); }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--indigo)); color: #fff; }
.btn.primary:hover { box-shadow: 0 12px 30px var(--accent-glow); }
.ripple { position: absolute; border-radius: 50%; transform: translate(-50%,-50%) scale(0); background: rgba(255,255,255,.35); pointer-events: none; animation: rippleGo .6s ease-out forwards; }
@keyframes rippleGo { to { transform: translate(-50%,-50%) scale(3.2); opacity: 0; } }

/* ─── Stat cards: gradient border + gold numbers ─────────────────────────── */
.hero-stat { position: relative; border-radius: 18px; background: var(--glass); overflow: hidden; }
.hero-stat::before {
  content: ''; position: absolute; inset: 0; border-radius: 18px; padding: 1px; opacity: .6; pointer-events: none;
  background: linear-gradient(135deg, var(--accent), transparent 55%, var(--gold));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude;
  transition: opacity .3s;
}
.hero-stat:hover::before { opacity: 1; }
.hero-stat:hover { transform: translateY(-4px); }
.hero-stat-num { background: linear-gradient(120deg, var(--accent-strong), var(--gold)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* ─── Quick-jump: morph pills + icon bounce ──────────────────────────────── */
.quick-chip { transition: background .18s, color .18s, border-color .18s, transform .22s var(--spring), box-shadow .22s; }
.quick-chip:hover { transform: translateY(-3px) scale(1.04); }
.quick-chip:hover .quick-chip-icon { animation: iconBounce .5s var(--spring); }
@keyframes iconBounce { 0%,100% { transform: translateY(0); } 40% { transform: translateY(-4px); } }

/* ─── Tabs: sliding gradient underline ───────────────────────────────────── */
.tab-nav { position: relative; }
.tab-btn { border-bottom-color: transparent !important; transition: color .2s; }
.tab-underline { position: absolute; bottom: -1px; left: 0; height: 2px; width: 0; border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--gold)); transition: transform .3s var(--ease), width .3s var(--ease); pointer-events: none; }
.tab-panel.active { animation: fadeInUp .35s var(--ease) both; }

/* ─── Sidebar: glowing active indicator + icon hover ─────────────────────── */
.nav-item .icon { transition: transform .2s var(--spring); }
.nav-item:hover .icon { transform: scale(1.15) rotate(-6deg); color: var(--accent-strong); }
.nav-item.active { position: relative; background: var(--accent-soft); }
.nav-item.active::after {
  content: ''; position: absolute; left: 6px; top: 50%; transform: translateY(-50%);
  width: 3px; height: 60%; border-radius: 3px;
  background: linear-gradient(180deg, var(--accent), var(--gold));
  box-shadow: 0 0 10px 1px var(--accent-glow);
}
.brand-mark { background: linear-gradient(135deg, var(--accent), var(--gold)) !important; color: #12092b !important; box-shadow: 0 6px 18px var(--accent-glow); }

/* ─── Tool tiles: badges, favorite, glow, tilt-ready ─────────────────────── */
.tool-card { position: relative; transform-style: preserve-3d; transition: transform .16s var(--ease), box-shadow .28s, border-color .25s, background .2s; }
.tool-card::after { background: linear-gradient(135deg, var(--accent), transparent 50%, var(--gold)); }
.tool-card-glow { position: absolute; inset: 0; border-radius: var(--radius-lg); opacity: 0; pointer-events: none;
  background: radial-gradient(circle 180px at var(--mx,50%) var(--my,0%), var(--accent-soft), transparent 60%); transition: opacity .3s; }
.tool-card:hover .tool-card-glow { opacity: 1; }
.tool-card:hover .tool-card-icon { animation: iconSpin .6s var(--spring); }
@keyframes iconSpin { 0% { transform: scale(1) rotate(0); } 60% { transform: scale(1.16) rotate(-10deg); } 100% { transform: scale(1.12) rotate(-6deg); } }
.tool-card-badges { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.tbadge { display: inline-flex; align-items: center; gap: 4px; font-size: 10.5px; font-weight: 700; letter-spacing: .02em; padding: 3px 8px; border-radius: 20px; }
.tbadge .icon { width: 11px; height: 11px; }
.tbadge-pop { color: #201400; background: linear-gradient(135deg, var(--gold), #ffb01f); }
.tbadge-speed { color: var(--accent-strong); background: var(--accent-soft); border: 1px solid var(--glass-border); }
.tool-fav { position: absolute; top: 12px; right: 12px; z-index: 2; width: 30px; height: 30px; display: grid; place-items: center;
  border-radius: 9px; border: 1px solid transparent; background: transparent; color: var(--text-faint); cursor: pointer;
  opacity: 0; transform: scale(.8); transition: opacity .2s, transform .2s var(--spring), color .2s, background .2s; }
.tool-card:hover .tool-fav { opacity: 1; transform: scale(1); }
.tool-fav:hover { background: var(--glass-strong); color: var(--gold); }
.tool-fav .icon { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; }
.tool-fav.is-fav { opacity: 1; transform: scale(1); color: var(--gold); }
.tool-fav.is-fav .icon { fill: var(--gold); stroke: var(--gold); }
.tool-card-arrow { top: 14px; right: 46px; }
.tool-card.search-hidden { display: none; }
.tool-grid-empty { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 40px 20px; color: var(--text-dim); text-align: center; }
.tool-grid-empty .tool-empty-illus { width: 56px; height: 56px; display: grid; place-items: center; border-radius: 16px; background: var(--glass); border: 1px solid var(--glass-border); }
.tool-grid-empty .tool-empty-illus .icon { width: 26px; height: 26px; color: var(--accent-strong); }

/* ─── Cards & panels: softer premium glass ───────────────────────────────── */
.card { border-radius: 20px; }
.aside-card { border-radius: 18px; }

/* ─── Accessibility: honor reduced motion ────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .bg-fx .blob, .hero-split::before, .pdf-sheet, .hero-spark, .pulse-upload,
  .tab-panel.active, .quick-chip:hover .quick-chip-icon, .tool-card:hover .tool-card-icon,
  .hero::after, .hero-ghost { animation: none !important; }
  * { scroll-behavior: auto !important; }
}