/* ==========================================================================
   CENTRE AI — Glass Design System v4
   Inter · Deep Navy · Cyan/Teal Primary · Copper/Orange for Prices
   Linear/Vercel-inspired · Glassmorphism · Glow Effects
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ── Root tokens ──────────────────────────────────────────────────────────── */
:root {
  /* Scene — Deep Navy Blue */
  --scene-bg: #0a0f1e;
  --scene-bg-alt: #0d1321;
  --scene-sidebar: #080c18;
  --scene-card: rgba(15, 23, 42, 0.6);

  /* Ambient glow — Cyan top gradient */
  --orb-1: radial-gradient(ellipse 900px 600px at 50% -10%, rgba(6, 182, 212, .08) 0%, transparent 60%);
  --orb-2: radial-gradient(ellipse 600px 400px at 85% 70%, rgba(6, 182, 212, .04) 0%, transparent 50%);
  --orb-3: radial-gradient(ellipse 500px 350px at 15% 80%, rgba(6, 182, 212, .03) 0%, transparent 45%);

  /* Primary accent — Cyan/Teal (for buttons, active states) */
  --accent-cyan:       #06b6d4;
  --accent-cyan-deep:  #0891b2;
  --accent-cyan-light: #22d3ee;
  --accent-cyan-glow:  rgba(6, 182, 212, .3);
  --glow-inner-cyan:   inset 0 0 0 1px rgba(6,182,212,.25), inset 0 1px 0 rgba(255,255,255,.08);
  --glow-cyan:         0 0 30px rgba(6, 182, 212, .1);
  --border-cyan:       1px solid rgba(6, 182, 212, .3);

  /* Secondary accent — Copper/Orange (for prices, badges) */
  --accent-copper:     #d97706;
  --accent-copper-light: #f59e0b;
  --accent-copper-glow: rgba(217, 119, 6, .25);

  /* Legacy aliases for compatibility */
  --accent-rose:    #06b6d4;
  --accent-crimson: #0891b2;
  --accent-pink:    #22d3ee;
  --accent-ruby:    #0e7490;
  --accent-blush:   rgba(6, 182, 212, .15);
  --bronze: #d97706;
  --bronze-light: #f59e0b;
  --bronze-dark: #b45309;

  /* Blue alias */
  --accent-blue:       #06b6d4;
  --accent-blue-deep:  #0891b2;
  --accent-blue-light: #22d3ee;
  --accent-blue-glow:  rgba(6, 182, 212, .22);
  --glow-inner-blue:   inset 0 0 0 1px rgba(6,182,212,.22), inset 0 1px 0 rgba(255,255,255,.08);
  --glow-blue:         0 0 30px rgba(6, 182, 212, .15);
  --border-blue:       1px solid rgba(6, 182, 212, .3);
  --ice-blue: #06b6d4;
  --ice-glow: rgba(6, 182, 212, .25);

  /* Supporting palette */
  --accent-emerald: #10b981;
  --accent-amber:   #f59e0b;
  --accent-indigo:  #6366f1;
  --accent-violet:  #8b5cf6;

  /* Semantic */
  --color-primary:    var(--accent-cyan);
  --color-secondary:  var(--accent-copper);
  --color-success:    var(--accent-emerald);
  --color-warning:    var(--accent-amber);
  --color-error:      #ef4444;

  /* Text — Cool grays */
  --text-primary:   #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted:     #64748b;
  --text-dim:       #475569;
  --text-label:     #475569;

  /* Glass surface — Navy with blur */
  --glass-bg:        rgba(15, 23, 42, 0.6);
  --glass-bg-hover:  rgba(15, 23, 42, 0.75);
  --glass-bg-active: rgba(6, 182, 212, .08);
  --glass-blur:      blur(12px);
  --glass-border:    rgba(255, 255, 255, .08);
  --glass-border-hover: rgba(6, 182, 212, .3);
  --glass-border-rose: rgba(6, 182, 212, .25);
  --glass-border-blue: rgba(6, 182, 212, .25);
  --glass-border-copper: rgba(217, 119, 6, .25);
  --glass-border-cyan: rgba(6, 182, 212, .3);

  /* Inner glow — Cyan highlights */
  --glow-inner:        inset 0 0 0 1px rgba(255,255,255,.06), inset 0 1px 0 rgba(255,255,255,.08);
  --glow-inner-rose:   inset 0 0 0 1px rgba(6,182,212,.2), inset 0 1px 0 rgba(255,255,255,.06);
  --glow-rose:         0 0 30px rgba(6, 182, 212, .1);
  --bronze-glow: rgba(217, 119, 6, .3);

  /* Borders */
  --border-subtle: 1px solid rgba(255,255,255,.06);
  --border-glass:  1px solid rgba(255,255,255,.08);
  --border-rose:   1px solid rgba(6, 182, 212, .25);

  /* Radius */
  --r-sm:   6px;
  --r-md:   10px;
  --r-lg:   16px;
  --r-xl:   20px;
  --r-2xl:  28px;
  --r-pill: 9999px;

  /* Spacing */
  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 20px;
  --s6: 24px; --s7: 28px; --s8: 32px; --s10: 40px; --s12: 48px;

  /* Transitions */
  --t-fast: 120ms ease;
  --t-med:  220ms ease;
  --t-slow: 400ms ease;

  /* Fonts — Inter */
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ── Base reset ───────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; }

body {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
  background: var(--scene-bg);
  background-image: var(--orb-1), var(--orb-2), var(--orb-3);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

a { color: var(--accent-cyan); text-decoration: none; }
a:hover { color: var(--accent-cyan-light); }

::selection { background: rgba(6,182,212,.35); color: #fff; }

/* Section labels */
.section-label,
.sidebar-section-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-label);
}

/* ── Scene background ─────────────────────────────────────────────────────── */
.scene {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden;
  background: radial-gradient(ellipse at top center, rgba(6, 182, 212, 0.08) 0%, transparent 60%);
}
.scene-orb {
  position: absolute; border-radius: 50%;
  animation: drift 18s ease-in-out infinite alternate;
}
@keyframes drift {
  from { transform: translate(0,0) scale(1); }
  to   { transform: translate(20px, -15px) scale(1.03); }
}

/* Subtle noise overlay */
.scene::after {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23n)' opacity='0.02'/%3E%3C/svg%3E");
  opacity: 1;
}

/* ── Glass card ───────────────────────────────────────────────────────────── */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--r-lg);
  box-shadow: 0 4px 24px rgba(0,0,0,.3), var(--glow-inner);
  transition: all var(--t-med);
}
.glass:hover {
  border-color: rgba(6, 182, 212, .3);
  box-shadow: 0 0 30px rgba(6, 182, 212, .1), 0 8px 32px rgba(0,0,0,.4);
}

/* ── Card ─────────────────────────────────────────────────────────────────── */
.card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0,0,0,.25), var(--glow-inner);
  transition: all var(--t-med);
}
.card:hover {
  border-color: rgba(6, 182, 212, .3);
  box-shadow: 0 0 30px rgba(6, 182, 212, .1), 0 8px 40px rgba(0,0,0,.35);
}
.card-body { padding: var(--s6); }
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--s5) var(--s6); border-bottom: var(--border-subtle);
}
.card-title { font-family: var(--font-display); font-size: .9rem; font-weight: 600; color: var(--text-primary); }

.glass-rose,
.glass-cyan {
  background: rgba(6, 182, 212, .06);
  border-color: rgba(6, 182, 212, .25);
  box-shadow: 0 0 40px rgba(6, 182, 212, .08), var(--glow-inner-cyan);
}

/* ── Navigation ───────────────────────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: 56px;
  display: flex; align-items: center; padding: 0 var(--s6);
  background: rgba(8, 12, 24, .85);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav-brand {
  display: flex; align-items: center; gap: var(--s3);
  font-family: var(--font-display); font-size: 1rem; font-weight: 700;
  color: var(--text-primary); letter-spacing: -.02em;
}
.nav-brand-icon { color: var(--accent-cyan); font-size: 1.1rem; }
.nav-right { margin-left: auto; display: flex; align-items: center; gap: var(--s3); }

/* ── Sidebar (left nav pane) ──────────────────────────────────────────────── */
.sidebar {
  width: 220px; flex-shrink: 0;
  background: var(--scene-sidebar);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border-right: 1px solid rgba(255,255,255,.06);
  display: flex; flex-direction: column;
  padding: var(--s4) var(--s3) var(--s6);
  overflow-y: auto;
}
.sidebar-logo {
  display: flex; align-items: center; gap: var(--s3);
  padding: var(--s3) var(--s3) var(--s5);
  font-family: var(--font-display); font-weight: 700; font-size: .95rem;
  color: var(--text-primary); letter-spacing: -.02em;
  border-bottom: 1px solid rgba(255,255,255,.06); margin-bottom: var(--s4);
  position: relative;
}
/* Logo glow effect */
.sidebar-logo::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 50%; transform: translateX(-50%);
  width: 60%; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(6,182,212,.4), transparent);
}
.sidebar-logo-icon { color: var(--accent-cyan); font-size: 1.2rem; filter: drop-shadow(0 0 8px rgba(6,182,212,.5)); }

.sidebar-section-label {
  font-size: .7rem; font-weight: 600; letter-spacing: .1em;
  text-transform: uppercase; color: var(--text-label);
  padding: var(--s2) var(--s3); margin-top: var(--s2);
}
.sidebar-item {
  display: flex; align-items: center; gap: var(--s3);
  padding: var(--s3) var(--s3);
  border-radius: var(--r-md); cursor: pointer;
  color: var(--text-muted); font-size: .875rem; font-weight: 500;
  transition: all var(--t-fast); border: none; background: none;
  text-align: left; width: 100%; font-family: var(--font-body);
  border-left: 2px solid transparent;
  margin-left: -2px;
}
.sidebar-item:hover {
  background: rgba(255,255,255,.04); color: var(--text-secondary);
}
.sidebar-item.active {
  background: rgba(6, 182, 212, .05);
  color: var(--accent-cyan);
  border-left-color: var(--accent-cyan);
}
.sidebar-item-icon { font-size: .95rem; width: 18px; text-align: center; flex-shrink: 0; color: var(--text-muted); }
.sidebar-item:hover .sidebar-item-icon { color: var(--text-secondary); }
.sidebar-item.active .sidebar-item-icon { color: var(--accent-cyan); }
.sidebar-divider { height: 1px; background: rgba(255,255,255,.06); margin: var(--s3) var(--s3); }
.sidebar-spacer { flex: 1; }

.sidebar-user {
  display: flex; align-items: center; gap: var(--s3);
  padding: var(--s3); border-radius: var(--r-md);
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  cursor: pointer; transition: all var(--t-fast);
}
.sidebar-user:hover { background: rgba(255,255,255,.05); }
.sidebar-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-cyan-deep));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 700; font-size: .75rem; color: #fff;
  flex-shrink: 0;
}
.sidebar-user-name { font-size: .8rem; font-weight: 600; color: var(--text-primary); }
.sidebar-user-plan { font-size: .7rem; color: var(--text-muted); }

/* ── Panel mid ────────────────────────────────────────────────────────────── */
.panel-mid {
  width: 300px; flex-shrink: 0;
  background: rgba(10, 15, 30, .75);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  border-right: 1px solid rgba(255,255,255,.06);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.panel-mid-header {
  padding: var(--s5) var(--s5) var(--s4);
  border-bottom: 1px solid rgba(255,255,255,.06);
  display: flex; align-items: center; justify-content: space-between; flex-shrink: 0;
}
.panel-mid-title {
  font-family: var(--font-display); font-size: 1rem; font-weight: 700;
  color: var(--text-primary); letter-spacing: -0.02em;
}
.panel-mid-body { flex: 1; overflow-y: auto; padding: var(--s3); }

.panel-mid-search {
  margin: 0 var(--s3) var(--s3);
  position: relative;
}
.panel-mid-search input {
  width: 100%; padding: var(--s2) var(--s3) var(--s2) var(--s7);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08); border-radius: var(--r-md);
  color: var(--text-primary); font-family: var(--font-body); font-size: .82rem;
  outline: none; transition: all var(--t-fast);
}
.panel-mid-search input:focus { border-color: rgba(6,182,212,.4); background: rgba(6,182,212,.05); }
.panel-mid-search input::placeholder { color: var(--text-dim); }
.panel-mid-search::before {
  content: '⌕'; position: absolute; left: var(--s3); top: 50%;
  transform: translateY(-50%); color: var(--text-dim); font-size: .9rem; pointer-events: none;
}

/* List item in mid panel */
.list-row {
  padding: var(--s3) var(--s3);
  border-radius: var(--r-md); cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--t-fast); margin-bottom: 2px;
}
.list-row:hover { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.06); }
.list-row.active {
  background: rgba(6,182,212,.08);
  border-color: rgba(6,182,212,.2);
}
.list-row-date { font-size: .68rem; color: var(--text-dim); margin-bottom: 2px; }
.list-row-title { font-size: .85rem; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; line-height: 1.3; }
.list-row-preview { font-size: .75rem; color: var(--text-muted); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.list-row-tags { display: flex; gap: 4px; margin-top: var(--s2); flex-wrap: wrap; }

/* Nav item in mid panel */
.mid-nav-item {
  display: flex; align-items: center; gap: var(--s3);
  padding: var(--s4) var(--s3);
  border-radius: var(--r-lg); cursor: pointer;
  border: 1px solid transparent; margin-bottom: var(--s2);
  transition: all var(--t-fast);
  background: rgba(255,255,255,.02);
}
.mid-nav-item:hover { background: rgba(255,255,255,.04); border-color: rgba(255,255,255,.06); }
.mid-nav-item.active {
  background: rgba(6,182,212,.08);
  border-color: rgba(6,182,212,.2);
  box-shadow: var(--glow-inner-cyan);
}
.mid-nav-icon { font-size: 1.2rem; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.05); border-radius: var(--r-sm); flex-shrink: 0; color: var(--text-muted); }
.mid-nav-item.active .mid-nav-icon { background: rgba(6,182,212,.15); color: var(--accent-cyan); }
.mid-nav-body { flex: 1; }
.mid-nav-title { font-size: .875rem; font-weight: 600; color: var(--text-primary); }
.mid-nav-count { font-size: .72rem; color: var(--text-muted); }
.mid-nav-arrow { color: var(--text-dim); font-size: .75rem; }

/* ── Main content panel ───────────────────────────────────────────────────── */
.panel-main {
  flex: 1; overflow-y: auto;
  padding: var(--s8) var(--s8);
  min-width: 0;
}
.panel-main-header {
  margin-bottom: var(--s8);
}
.breadcrumb {
  font-size: .75rem; color: var(--text-muted); margin-bottom: var(--s3);
  display: flex; align-items: center; gap: var(--s2);
}
.breadcrumb-sep { color: var(--text-dim); }
.page-title {
  font-family: var(--font-display); font-size: 1.75rem; font-weight: 800;
  color: var(--text-primary); letter-spacing: -.02em; line-height: 1.1;
  margin-bottom: var(--s2);
}
.page-subtitle { font-size: .9rem; color: var(--text-secondary); }

/* ── Stat tiles ───────────────────────────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--s4); }
.stat-tile {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255,255,255,.08); border-radius: 16px;
  padding: var(--s5); box-shadow: 0 2px 16px rgba(0,0,0,.2), var(--glow-inner);
  transition: all var(--t-med);
}
.stat-tile:hover { border-color: rgba(6,182,212,.3); box-shadow: 0 0 30px rgba(6,182,212,.1), 0 6px 30px rgba(0,0,0,.3); transform: translateY(-2px); }
.stat-label { font-size: .7rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--text-label); margin-bottom: var(--s2); }
.stat-value { font-family: var(--font-display); font-size: 1.8rem; font-weight: 800; color: var(--text-primary); line-height: 1; }
.stat-sub { font-size: .75rem; color: var(--text-muted); margin-top: var(--s1); }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s2);
  padding: 12px 24px; border-radius: 9999px;
  font-family: var(--font-body); font-size: .875rem; font-weight: 600;
  cursor: pointer; border: none; transition: all var(--t-fast); text-decoration: none;
  white-space: nowrap;
}
.btn:disabled { opacity: .45; cursor: default; pointer-events: none; }

.btn-primary {
  background: linear-gradient(135deg, #06b6d4, #0891b2);
  color: #fff; box-shadow: 0 0 20px rgba(6,182,212,.25);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 0 30px rgba(6,182,212,.4); }

.btn-glass,
.btn-secondary {
  background: transparent;
  backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255,255,255,.1); color: var(--text-secondary);
  border-radius: 9999px;
}
.btn-glass:hover,
.btn-secondary:hover { background: rgba(255,255,255,.05); color: var(--text-primary); border-color: rgba(255,255,255,.15); }

.btn-blue,
.btn-cyan {
  background: linear-gradient(135deg, #06b6d4, #0891b2);
  color: #fff; box-shadow: 0 0 20px rgba(6,182,212,.25);
}
.btn-blue:hover,
.btn-cyan:hover { transform: translateY(-1px); box-shadow: 0 0 30px rgba(6,182,212,.4); }

.btn-ghost { background: none; border: none; color: var(--text-muted); padding: var(--s2) var(--s3); }
.btn-ghost:hover { color: var(--text-primary); }

.btn-sm { padding: 8px 16px; font-size: .8rem; }
.btn-xs { padding: 4px 12px; font-size: .75rem; }
.btn-pill { border-radius: 9999px; }
.w-full { width: 100%; }
.mt-4 { margin-top: var(--s4); }

/* ── Badges ───────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 12px; border-radius: 9999px;
  font-size: .75rem; font-weight: 600; letter-spacing: .02em;
  white-space: nowrap;
}
.badge-rose,
.badge-primary,
.badge-trial { background: rgba(6,182,212,.15); color: #06b6d4; border: 1px solid rgba(6,182,212,.3); }
.badge-emerald { background: rgba(16,185,129,.12); color: #4ade80; border: 1px solid rgba(16,185,129,.2); }
.badge-amber,
.badge-price   { background: rgba(217,119,6,.12); color: #f59e0b; border: 1px solid rgba(217,119,6,.2); }
.badge-cyan,
.badge-popular { background: rgba(6,182,212,.15); color: #06b6d4; border: 1px solid rgba(6,182,212,.3); }
.badge-indigo  { background: rgba(99,102,241,.12); color: #a5b4fc; border: 1px solid rgba(99,102,241,.2); }
.badge-violet  { background: rgba(139,92,246,.12); color: #c4b5fd; border: 1px solid rgba(139,92,246,.2); }
.badge-blue    { background: rgba(6,182,212,.15); color: #06b6d4; border: 1px solid rgba(6,182,212,.3); }
.badge-muted   { background: rgba(255,255,255,.05); color: var(--text-muted); border: 1px solid rgba(255,255,255,.08); }

/* ── Forms ────────────────────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: var(--s2); margin-bottom: var(--s5); }
.form-label { font-size: .7rem; font-weight: 600; color: var(--text-label); letter-spacing: .1em; text-transform: uppercase; }
.form-input {
  width: 100%; padding: var(--s3) var(--s4);
  background: rgba(255,255,255,.04);
  backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255,255,255,.08); border-radius: var(--r-md);
  color: var(--text-primary); font-family: var(--font-body); font-size: .9rem;
  outline: none; transition: all var(--t-fast);
}
.form-input:focus { border-color: rgba(6,182,212,.4); background: rgba(6,182,212,.05); box-shadow: 0 0 0 3px rgba(6,182,212,.1); }
.form-input::placeholder { color: var(--text-dim); }

/* ── Tables ───────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--r-lg); border: var(--border-glass); }
.table { width: 100%; border-collapse: collapse; }
.table th {
  padding: var(--s3) var(--s4); text-align: left;
  font-size: .72rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--text-muted); border-bottom: var(--border-subtle);
  background: rgba(255,255,255,.03);
}
.table td {
  padding: var(--s4); border-bottom: 1px solid rgba(255,255,255,.04);
  font-size: .875rem; color: var(--text-secondary); vertical-align: middle;
}
.table tr:last-child td { border-bottom: none; }
.table tbody tr { transition: background var(--t-fast); }
.table tbody tr:hover td { background: rgba(255,255,255,.03); }

/* ── Plan cards ───────────────────────────────────────────────────────────── */
.plan-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255,255,255,.08); border-radius: 16px;
  padding: var(--s6); box-shadow: 0 4px 30px rgba(0,0,0,.25), var(--glow-inner);
  transition: all var(--t-med);
}
.plan-card:hover {
  border-color: rgba(6,182,212,.3);
  box-shadow: 0 0 30px rgba(6,182,212,.1), 0 8px 40px rgba(0,0,0,.3);
}
.plan-card-popular {
  border-color: rgba(6,182,212,.4) !important;
  box-shadow: 0 0 40px rgba(6,182,212,.12), var(--glow-inner-cyan) !important;
}
.plan-name { font-family: var(--font-display); font-size: 1.4rem; font-weight: 700; color: var(--text-primary); margin-bottom: var(--s2); letter-spacing: -0.02em; }
.plan-price {
  font-family: var(--font-display); font-size: 3rem; font-weight: 800;
  color: var(--accent-copper); line-height: 1;
  text-shadow: 0 0 20px rgba(217,119,6,.3);
}
.plan-price span { font-size: 1rem; color: var(--text-muted); font-weight: 400; text-shadow: none; }

/* Feature list in plan cards */
.plan-features { list-style: none; padding: 0; margin: var(--s5) 0; }
.plan-features li {
  display: flex; align-items: flex-start; gap: var(--s3);
  padding: var(--s2) 0; font-size: .875rem; color: var(--text-secondary);
}
.plan-features li::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent-cyan);
  margin-top: 7px; flex-shrink: 0;
}

/* ── Config / code block ──────────────────────────────────────────────────── */
.config-box {
  background: rgba(0,0,0,.3); border: 1px solid rgba(255,255,255,.06); border-radius: 16px;
  padding: var(--s5); position: relative; overflow: hidden;
}
.config-box::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(6,182,212,.03), transparent);
  pointer-events: none;
}
.config-pre { font-family: 'SF Mono','Fira Code',monospace; font-size: .78rem; color: var(--text-secondary); white-space: pre; overflow-x: auto; line-height: 1.7; }
.code-inline { font-family: 'SF Mono','Fira Code',monospace; font-size: .82em; background: rgba(6,182,212,.12); color: var(--accent-cyan-light); padding: 1px 5px; border-radius: 4px; }

/* ── Usage bar ────────────────────────────────────────────────────────────── */
.usage-bar { height: 5px; background: rgba(255,255,255,.06); border-radius: 3px; overflow: hidden; margin-top: var(--s2); }
.usage-fill { height: 100%; border-radius: 3px; background: linear-gradient(90deg, #06b6d4, #22d3ee); transition: width .8s cubic-bezier(.4,0,.2,1); }
.usage-fill.warn { background: linear-gradient(90deg, var(--accent-amber), #ef4444); }

/* ── Modal ────────────────────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(10,15,30,.75);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity var(--t-med);
}
.modal-backdrop.open { opacity: 1; pointer-events: all; }
.modal {
  background: rgba(15,23,42,.95);
  border: 1px solid rgba(255,255,255,.08); border-radius: var(--r-2xl);
  box-shadow: 0 24px 80px rgba(0,0,0,.5), 0 0 0 1px rgba(6,182,212,.1), var(--glow-inner-cyan);
  padding: var(--s8); width: 100%; max-width: 460px; margin: var(--s5);
}
.modal-title { font-family: var(--font-display); font-size: 1.25rem; font-weight: 700; color: var(--text-primary); margin-bottom: var(--s6); letter-spacing: -0.02em; }
.modal-close-btn {
  position: absolute; top: var(--s4); right: var(--s4);
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08); border-radius: 50%;
  width: 28px; height: 28px; display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 1rem; cursor: pointer; transition: all var(--t-fast);
}
.modal-close-btn:hover { background: rgba(6,182,212,.15); color: var(--accent-cyan); }

/* ── Toast ────────────────────────────────────────────────────────────────── */
.toast-container { position: fixed; bottom: var(--s6); right: var(--s6); z-index: 600; display: flex; flex-direction: column; gap: var(--s3); pointer-events: none; }
.toast {
  display: flex; align-items: center; gap: var(--s3);
  padding: var(--s3) var(--s5); border-radius: 16px;
  background: rgba(15,23,42,.95); border: 1px solid rgba(255,255,255,.08);
  box-shadow: 0 8px 32px rgba(0,0,0,.4), var(--glow-inner);
  font-size: .875rem; color: var(--text-secondary);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  animation: toastIn .25s ease both;
}
@keyframes toastIn { from { opacity:0; transform:translateX(20px) } to { opacity:1; transform:none } }
.toast-success { border-color: rgba(16,185,129,.25); color: #4ade80; }
.toast-error   { border-color: rgba(239,68,68,.25);  color: #f87171; }
.toast-warn    { border-color: rgba(245,158,11,.25); color: #fbbf24; }
.toast-info    { border-color: rgba(6,182,212,.25); color: var(--accent-cyan-light); }

/* ── Alerts ───────────────────────────────────────────────────────────────── */
.alert { padding: var(--s3) var(--s4); border-radius: 12px; font-size: .875rem; }
.alert-error { background: rgba(239,68,68,.10); border: 1px solid rgba(239,68,68,.2); color: #f87171; }
.alert-warn  { background: rgba(245,158,11,.10); border: 1px solid rgba(245,158,11,.2); color: #fbbf24; }
.alert-info  { background: rgba(6,182,212,.10); border: 1px solid rgba(6,182,212,.2); color: var(--accent-cyan-light); }

/* ── Divider ──────────────────────────────────────────────────────────────── */
.divider { height: 1px; background: rgba(255,255,255,.06); margin: var(--s5) 0; }

/* ── Empty state ──────────────────────────────────────────────────────────── */
.empty-state {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--s3); padding: var(--s10); color: var(--text-muted); text-align: center;
}
.empty-state-icon { font-size: 2rem; opacity: .4; }
.empty-state-text { font-size: .875rem; }

/* ── Spinner ──────────────────────────────────────────────────────────────── */
.spinner { width: 40px; height: 40px; border: 3px solid rgba(255,255,255,.08); border-top-color: var(--accent-cyan); border-radius: 50%; animation: spin .9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Dot indicator ────────────────────────────────────────────────────────── */
.dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.dot-green  { background: #4ade80; box-shadow: 0 0 6px #4ade80; }
.dot-rose,
.dot-cyan   { background: var(--accent-cyan); box-shadow: 0 0 6px var(--accent-cyan); }
.dot-amber  { background: #fbbf24; box-shadow: 0 0 6px #fbbf24; }
.dot-muted  { background: rgba(255,255,255,.25); }

/* ── Key row (API keys) ───────────────────────────────────────────────────── */
.key-row {
  display: flex; align-items: center; gap: var(--s4);
  padding: var(--s4) var(--s5); border-radius: 16px;
  background: rgba(255,255,255,.02); border: 1px solid rgba(255,255,255,.06);
  transition: all var(--t-fast); margin-bottom: var(--s2);
}
.key-row:hover { background: rgba(255,255,255,.04); border-color: rgba(6,182,212,.2); }
.key-name { font-size: .875rem; font-weight: 600; color: var(--text-primary); }
.key-meta { font-size: .75rem; color: var(--text-muted); }
.key-value { font-family: 'SF Mono','Fira Code',monospace; font-size: .78rem; color: var(--text-secondary); background: rgba(0,0,0,.25); padding: 3px 8px; border-radius: var(--r-sm); }

/* ── Utility ──────────────────────────────────────────────────────────────── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--s2); } .gap-3 { gap: var(--s3); } .gap-4 { gap: var(--s4); }
.mb-2 { margin-bottom: var(--s2); } .mb-3 { margin-bottom: var(--s3); }
.mb-4 { margin-bottom: var(--s4); } .mb-6 { margin-bottom: var(--s6); }
.mb-8 { margin-bottom: var(--s8); }
.truncate { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.text-rose,
.text-cyan { color: var(--accent-cyan); }
.text-copper { color: var(--accent-copper); }
.text-muted { color: var(--text-muted); }

/* ── Grid helpers ─────────────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s5); }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--s5); }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--s4); }
@media(max-width:1100px) { .grid-4 { grid-template-columns: repeat(2,1fr); } }
@media(max-width:700px)  { .grid-2,.grid-3,.grid-4 { grid-template-columns: 1fr; } }

/* ── Tab bar ──────────────────────────────────────────────────────────────── */
.tab-bar { display: flex; gap: var(--s2); border-bottom: 1px solid rgba(255,255,255,.06); margin-bottom: var(--s6); }
.tab-btn {
  padding: var(--s3) var(--s4); font-family: var(--font-body); font-size: .875rem; font-weight: 500;
  color: var(--text-muted); background: none; border: none; cursor: pointer;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: all var(--t-fast);
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active { color: var(--accent-cyan); border-bottom-color: var(--accent-cyan); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ── Billing toggle (Monthly/Yearly) ─────────────────────────────────────── */
.billing-toggle {
  display: inline-flex;
  background: rgba(255,255,255,.04);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 9999px;
  padding: 4px;
  gap: 4px;
}
.billing-toggle-btn {
  padding: 8px 20px; font-size: .85rem; font-weight: 600;
  border-radius: 9999px; border: none; cursor: pointer;
  font-family: var(--font-body); transition: all var(--t-fast);
  background: transparent; color: var(--text-muted);
}
.billing-toggle-btn:hover { color: var(--text-secondary); }
.billing-toggle-btn.active {
  background: linear-gradient(135deg, #06b6d4, #0891b2);
  color: #fff; box-shadow: 0 0 16px rgba(6,182,212,.3);
}

/* ── Plans grid ──────────────────────────────────────────────────────────── */
.plans-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--s5); }

/* ── Scrollbar ────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(6,182,212,.4); }

/* ── Fade-in animation ────────────────────────────────────────────────────── */
.fade-up { animation: fadeUp .5s ease both; }
@keyframes fadeUp { from { opacity:0; transform:translateY(12px); } to { opacity:1; transform:none; } }

/* ── Glow animation ──────────────────────────────────────────────────────── */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(6,182,212,.15); }
  50% { box-shadow: 0 0 40px rgba(6,182,212,.25); }
}
.glow-pulse { animation: glowPulse 3s ease-in-out infinite; }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media(max-width:900px) {
  .panel-mid { display: none; }
  .panel-main { padding: var(--s6) var(--s5); }
}
@media(max-width:600px) {
  .sidebar { width: 64px; }
  .sidebar-logo span, .sidebar-item span, .sidebar-user-name, .sidebar-user-plan { display: none; }
  .sidebar-item { justify-content: center; padding: var(--s3); border-left: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .plans-grid { grid-template-columns: 1fr; }
}