/* ============================================================
   MANUAIS DE SERVIÇO — Design System v12
   Mobile-first, glassmorphism, micro-animations
   ============================================================ */

/* ── 1. Design Tokens ──────────────────────────────────────── */
:root {
  color-scheme: dark;

  /* Colors */
  --bg:             #080a11;
  --bg-2:           #0d1018;
  --bg-gradient:    radial-gradient(ellipse 80% 60% at 60% 0%, #1a1040 0%, #0b0d18 55%, #080a11 100%);
  --panel:          rgba(18, 22, 34, 0.7);
  --panel-2:        rgba(26, 31, 47, 0.85);
  --panel-solid:    #121622;
  --border:         rgba(255, 255, 255, 0.07);
  --border-hover:   rgba(255, 255, 255, 0.14);
  --border-accent:  rgba(255, 122, 26, 0.35);

  /* Text */
  --text:           #eef0f6;
  --text-dim:       #8892a8;
  --text-muted:     #4d5568;

  /* Accent — orange fire */
  --accent:         #ff7c1f;
  --accent-2:       #e85d00;
  --accent-hover:   #ff9347;
  --accent-gradient: linear-gradient(135deg, #ff8c32 0%, #e05800 100%);
  --accent-dim:     rgba(255, 124, 31, 0.12);
  --accent-glow:    0 0 24px rgba(255, 124, 31, 0.25);

  /* Status */
  --ok:             #34d399;
  --ok-dim:         rgba(52, 211, 153, 0.12);
  --warn:           #fbbf24;
  --warn-dim:       rgba(251, 191, 36, 0.12);
  --danger:         #f87171;
  --danger-dim:     rgba(248, 113, 113, 0.12);
  --info:           #60a5fa;
  --info-dim:       rgba(96, 165, 250, 0.12);

  /* Spacing */
  --space-1:  4px;  --space-2:  8px;   --space-3: 12px;
  --space-4: 16px;  --space-5: 20px;   --space-6: 24px;
  --space-8: 32px;  --space-10: 40px;  --space-12: 48px;

  /* Radii */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  14px;
  --radius-xl:  20px;
  --radius-2xl: 28px;

  /* Shadows */
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.3);
  --shadow-md:  0 8px 24px rgba(0,0,0,0.45);
  --shadow-lg:  0 16px 48px rgba(0,0,0,0.55);

  /* Typography */
  --font-xs:   0.72rem;
  --font-sm:   0.84rem;
  --font-base: 0.96rem;
  --font-md:   1.05rem;
  --font-lg:   1.2rem;
  --font-xl:   1.5rem;
  --font-2xl:  2rem;

  /* Transitions */
  --ease:      cubic-bezier(0.4, 0, 0.2, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --t-fast:    0.15s;
  --t-base:    0.22s;
  --t-slow:    0.4s;

  /* Layout */
  --sidebar-w: 290px;
  --topbar-h:  60px;
}

/* ── 2. Reset & Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Outfit', -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  background: var(--bg);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: var(--font-base);
  min-height: 100dvh;
}

a { color: var(--accent); text-decoration: none; transition: color var(--t-fast) var(--ease); }
a:hover { color: var(--accent-hover); }

img { display: block; max-width: 100%; }

/* Custom Scrollbars */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.22); }
* { scrollbar-width: thin; scrollbar-color: rgba(255,255,255,0.12) transparent; }

/* ── 3. Keyframes ───────────────────────────────────────────── */
@keyframes fadeUp   { from { opacity:0; transform:translateY(14px); } to { opacity:1; transform:translateY(0); } }
@keyframes fadeIn   { from { opacity:0; }                              to { opacity:1; } }
@keyframes slideIn  { from { opacity:0; transform:translateX(-12px); } to { opacity:1; transform:translateX(0); } }
@keyframes slideUp  { from { opacity:0; transform:translateY(20px); }  to { opacity:1; transform:translateY(0); } }
@keyframes scaleIn  { from { opacity:0; transform:scale(0.94); }       to { opacity:1; transform:scale(1); } }
@keyframes spin     { to { transform: rotate(360deg); } }
@keyframes shimmer  {
  0%   { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}
@keyframes pulse    {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255,124,31,0.5); }
  50%      { box-shadow: 0 0 0 8px rgba(255,124,31,0); }
}
@keyframes pulse-red {
  0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,0.5); }
  50%      { box-shadow: 0 0 0 8px rgba(239,68,68,0); }
}
@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes bounceIn {
  0%   { transform: scale(0.8); opacity:0; }
  60%  { transform: scale(1.05); opacity:1; }
  100% { transform: scale(1); }
}
@keyframes orb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(30px, -20px) scale(1.1); }
  66%       { transform: translate(-20px, 20px) scale(0.9); }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ── 4. Utility Classes ─────────────────────────────────────── */
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border-width:0; }
.text-dim { color: var(--text-dim); }
.text-accent { color: var(--accent); }
.flex { display:flex; }
.flex-center { display:flex; align-items:center; justify-content:center; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

/* ── 5. Skeleton Loader ─────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.04) 25%, rgba(255,255,255,0.09) 50%, rgba(255,255,255,0.04) 75%);
  background-size: 400px 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  border-radius: var(--radius-md);
}

/* ── 6. Spinner ─────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,124,31,0.25);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
  vertical-align: middle;
  margin-right: var(--space-2);
  flex-shrink: 0;
}
.spinner-lg { width: 32px; height: 32px; border-width: 3px; }

/* ── 7. Badges ──────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: var(--font-xs); font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  background: var(--panel-2); color: var(--text-dim);
  border: 1px solid var(--border);
}
.badge.ok      { background: var(--ok-dim);     color: var(--ok);     border-color: rgba(52,211,153,0.25); }
.badge.warn    { background: var(--warn-dim);   color: var(--warn);   border-color: rgba(251,191,36,0.25); }
.badge.danger  { background: var(--danger-dim); color: var(--danger); border-color: rgba(248,113,113,0.25); }
.badge.accent  { background: var(--accent-dim); color: var(--accent); border-color: var(--border-accent); }
.badge.info    { background: var(--info-dim);   color: var(--info);   border-color: rgba(96,165,250,0.25); }

/* ── 8. Notice / Alert Boxes ────────────────────────────────── */
.notice {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-sm);
  display: flex; align-items: center; gap: var(--space-3);
  animation: fadeIn var(--t-slow) var(--ease);
  border: 1px solid transparent;
  line-height: 1.5;
}
.notice.info   { background: var(--accent-dim); color: var(--accent); border-color: var(--border-accent); }
.notice.warn   { background: var(--warn-dim);   color: var(--warn);   border-color: rgba(251,191,36,0.3); }
.notice.ok     { background: var(--ok-dim);     color: var(--ok);     border-color: rgba(52,211,153,0.3); }
.notice.danger { background: var(--danger-dim); color: var(--danger); border-color: rgba(248,113,113,0.3); }

/* ── 9. Buttons ─────────────────────────────────────────────── */
button {
  cursor: pointer; border: none;
  font-family: inherit; font-weight: 600;
  transition: all var(--t-base) var(--ease);
  display: inline-flex; align-items: center; gap: var(--space-2);
  white-space: nowrap; border-radius: var(--radius-md);
}
button:disabled { opacity: 0.45; cursor: not-allowed; pointer-events: none; }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Primary */
.btn-primary, button.primary {
  background: var(--accent-gradient);
  color: #fff;
  padding: 11px 22px;
  font-size: var(--font-sm);
  box-shadow: 0 4px 16px rgba(255,124,31,0.28);
  border-radius: var(--radius-md);
}
.btn-primary:hover:not(:disabled), button.primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,124,31,0.38);
  filter: brightness(1.08);
}
.btn-primary:active:not(:disabled), button.primary:active:not(:disabled) {
  transform: translateY(0); box-shadow: none;
}
button.primary { width: 100%; justify-content: center; margin-top: var(--space-8); padding: 13px; font-size: var(--font-base); }

/* Secondary */
.btn-secondary {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 9px 16px;
  font-size: var(--font-sm);
}
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: var(--border-hover); }

/* Ghost */
.btn-ghost {
  background: transparent; color: var(--text-dim);
  border: 1px solid var(--border);
  padding: 8px 14px; font-size: var(--font-sm);
}
.btn-ghost:hover { background: rgba(255,255,255,0.06); color: var(--text); border-color: var(--border-hover); }

/* Small */
.btn-small { padding: 6px 12px; font-size: var(--font-xs); border-radius: var(--radius-sm); }

/* Admin / Blue accent */
.btn-admin {
  background: rgba(96,165,250,0.12); color: #60a5fa;
  border: 1px solid rgba(96,165,250,0.25);
  padding: 9px 16px; font-size: var(--font-sm);
  border-radius: var(--radius-md);
}
.btn-admin:hover { background: rgba(96,165,250,0.2); border-color: #60a5fa; color: #93c5fd; }

/* Icon btn */
.btn-icon {
  background: transparent; border: 1px solid var(--border);
  color: var(--text-dim); width: 38px; height: 38px;
  border-radius: 50%; padding: 0;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.btn-icon:hover { background: rgba(255,255,255,0.08); color: var(--text); border-color: var(--border-hover); }

/* ── 10. Form Inputs ────────────────────────────────────────── */
label {
  display: block;
  font-size: var(--font-sm); font-weight: 500;
  color: var(--text-dim);
  margin-bottom: var(--space-2);
}

input[type="text"],
input[type="password"],
input[type="search"],
input[type="email"],
input[type="number"],
textarea,
select {
  width: 100%;
  padding: 11px 15px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--border);
  background: rgba(0,0,0,0.25);
  color: var(--text);
  font-size: var(--font-base);
  font-family: inherit;
  transition: all var(--t-base) var(--ease);
  -webkit-appearance: none;
  appearance: none;
}
input::placeholder, textarea::placeholder { color: var(--text-muted); }
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,124,31,0.18);
  background: rgba(0,0,0,0.38);
}
input[type="file"] {
  padding: 10px;
  cursor: pointer;
  font-size: var(--font-sm);
  color: var(--text-dim);
}

.form-group { margin-bottom: var(--space-4); }
.form-group label { margin-bottom: var(--space-2); }

.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: var(--space-4); }

.error-box {
  padding: 12px 16px; border-radius: var(--radius-md);
  background: var(--danger-dim); border: 1px solid rgba(248,113,113,0.3);
  color: #fca5a5; font-size: var(--font-sm); margin-top: var(--space-5);
}

.form-status {
  padding: 10px 14px; border-radius: var(--radius-md);
  font-size: var(--font-sm); display: none; margin-top: var(--space-3);
}
.form-status.loading { display:block; background: var(--info-dim); color: var(--info); }
.form-status.success { display:block; background: var(--ok-dim);   color: var(--ok); }
.form-status.error   { display:block; background: var(--danger-dim); color: var(--danger); }

/* ── 11. Modal ──────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-4);
  animation: fadeIn 0.2s var(--ease);
}
.modal-card {
  background: #131a28;
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-xl);
  width: 100%; max-width: 480px;
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s var(--ease-spring);
}
.modal-card .modal-body { max-height: 60vh; overflow-y: auto; padding-right: var(--space-2); }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: var(--font-lg); font-weight: 700; }
.modal-close {
  background: transparent; border: none; color: var(--text-dim);
  font-size: 1.5rem; cursor: pointer; padding: 0 4px; line-height: 1;
  width: 32px; height: 32px; display:flex; align-items:center; justify-content:center;
  border-radius: var(--radius-sm);
}
.modal-close:hover { background: rgba(255,255,255,0.08); color: var(--text); }
.modal-desc { color: var(--text-dim); font-size: var(--font-sm); margin-bottom: var(--space-5); }
.modal-actions { display: flex; justify-content: flex-end; gap: var(--space-3); margin-top: var(--space-6); }

@media (max-width: 600px) {
  .modal-overlay { padding: 0; align-items: flex-end; }
  .modal-card {
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    max-width: 100%;
    max-height: 92dvh;
    overflow-y: auto;
    padding: var(--space-5) var(--space-4);
  }
}

/* ── 12. Login Page ─────────────────────────────────────────── */
.login-bg {
  min-height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  padding: var(--space-4);
  position: relative; overflow: hidden;
}

/* Ambient orbs */
.login-bg::before, .login-bg::after {
  content: '';
  position: absolute; border-radius: 50%;
  pointer-events: none; filter: blur(80px); opacity: 0.18;
}
.login-bg::before {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #ff7c1f, transparent 70%);
  top: -120px; right: -80px;
  animation: orb 12s ease-in-out infinite;
}
.login-bg::after {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #6d28d9, transparent 70%);
  bottom: -80px; left: -60px;
  animation: orb 16s ease-in-out infinite reverse;
}

.login-card {
  position: relative; z-index: 1;
  width: 100%; max-width: 400px;
  background: var(--panel);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-2xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255,255,255,0.04);
  animation: scaleIn 0.5s var(--ease-spring);
}

.login-logo {
  display: flex; align-items: center; gap: var(--space-3);
  margin-bottom: var(--space-2);
}
.login-logo-icon {
  width: 42px; height: 42px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  box-shadow: var(--accent-glow);
}
.login-logo h1 {
  font-size: var(--font-xl); font-weight: 700;
  background: var(--accent-gradient);
  background-size: 200% 200%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 4s ease infinite;
}
.login-subtitle {
  color: var(--text-dim); font-size: var(--font-sm);
  margin-bottom: var(--space-6); line-height: 1.5;
}

/* Auth Tabs */
.auth-tabs {
  display: flex; background: rgba(0,0,0,0.25);
  border-radius: var(--radius-md);
  padding: 4px; margin-bottom: var(--space-6);
  border: 1px solid var(--border);
}
.auth-tab {
  flex: 1; background: transparent; color: var(--text-dim);
  padding: 9px 12px; border-radius: var(--radius-sm);
  font-size: var(--font-sm); font-weight: 600;
  transition: all var(--t-base) var(--ease);
  border: none; cursor: pointer;
}
.auth-tab.active {
  background: var(--panel-2); color: var(--text);
  box-shadow: var(--shadow-sm);
}

/* Plan picker */
.plan-picker { display: flex; flex-direction: column; gap: var(--space-3); margin-top: var(--space-2); }
.plan-card {
  display: flex; align-items: center; gap: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  background: rgba(0,0,0,0.2);
  cursor: pointer;
  transition: all var(--t-base) var(--ease);
}
.plan-card:hover { border-color: var(--border-hover); background: rgba(255,255,255,0.04); }
.plan-card.selected {
  border-color: var(--accent);
  background: var(--accent-dim);
  box-shadow: 0 0 0 1px var(--accent);
}
.plan-card input[type="radio"] { display: none; }
.plan-radio-dot {
  width: 18px; height: 18px; flex-shrink: 0;
  border-radius: 50%; border: 2px solid var(--border-hover);
  transition: all var(--t-base) var(--ease);
  position: relative;
}
.plan-card.selected .plan-radio-dot {
  border-color: var(--accent);
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.plan-card-body { flex: 1; min-width: 0; }
.plan-card-header { display: flex; justify-content: space-between; align-items: center; gap: var(--space-2); }
.plan-card-name { font-weight: 600; font-size: var(--font-base); }
.plan-card-price {
  font-size: var(--font-md); font-weight: 700;
  color: var(--accent);
  background: var(--accent-gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.plan-card-desc { font-size: var(--font-xs); color: var(--text-dim); margin-top: 4px; }

.admin-hint {
  margin-top: var(--space-6);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--accent-dim); border: 1px solid var(--border-accent);
  font-size: var(--font-xs); color: var(--text-dim); line-height: 1.6;
}
.admin-hint code {
  color: var(--accent); background: rgba(255,124,31,0.15);
  padding: 1px 6px; border-radius: var(--radius-sm);
}

/* ── 13. App Shell (Main UI) ────────────────────────────────── */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  min-height: 100dvh;
}

/* ── 14. Topbar ─────────────────────────────────────────────── */
.topbar {
  grid-column: 1 / -1; grid-row: 1;
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  height: var(--topbar-h);
  background: rgba(8,10,17,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.topbar-left {
  display: flex; align-items: center;
  gap: var(--space-3); min-width: 0; flex: 1;
}

.brand {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: var(--font-md); font-weight: 700; white-space: nowrap;
}
.brand-icon {
  width: 30px; height: 30px;
  background: var(--accent-gradient);
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; flex-shrink: 0;
  box-shadow: var(--accent-glow);
}
.brand-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Breadcrumb */
.topbar-breadcrumb {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: var(--font-sm); color: var(--text-dim);
  overflow: hidden; min-width: 0;
}
.topbar-breadcrumb .sep { color: var(--text-muted); }
.topbar-breadcrumb .crumb-active {
  color: var(--text); font-weight: 500;
  white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis;
}

/* Topbar actions */
.topbar-right {
  display: flex; align-items: center;
  gap: var(--space-2); flex-shrink: 0;
}

.hamburger-btn {
  display: none;
  background: transparent; border: 1px solid var(--border);
  color: var(--text);
  width: 38px; height: 38px;
  border-radius: var(--radius-md);
  align-items: center; justify-content: center;
  font-size: 1.1rem; cursor: pointer; flex-shrink: 0;
}
.hamburger-btn:hover { background: rgba(255,255,255,0.07); }

.user-chip {
  display: flex; align-items: center; gap: var(--space-2);
  padding: 6px 14px 6px 10px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 99px; cursor: pointer;
  font-size: var(--font-sm); font-weight: 500;
  transition: all var(--t-base) var(--ease);
}
.user-chip:hover { background: rgba(255,255,255,0.1); border-color: var(--border-hover); }
.user-avatar {
  width: 26px; height: 26px;
  background: var(--accent-gradient);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: var(--font-xs); font-weight: 700; color: #fff;
  flex-shrink: 0;
}
#username-label { font-size: var(--font-sm); color: var(--text-dim); }

button.logout {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: var(--font-sm);
}
button.logout:hover { background: rgba(248,113,113,0.1); color: var(--danger); border-color: rgba(248,113,113,0.3); }

/* ── 15. Sidebar ────────────────────────────────────────────── */
.sidebar-close-btn { display: none; }

.sidebar {
  grid-row: 2; grid-column: 1;
  border-right: 1px solid var(--border);
  background: rgba(8,10,17,0.5);
  overflow-y: auto;
  padding: var(--space-5) var(--space-4);
  display: flex; flex-direction: column; gap: var(--space-3);
}
.sidebar-overlay {
  display: none; position: fixed; inset: 0;
  z-index: 90; background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
}
.sidebar-overlay.active { display: block; }

/* Search input in sidebar */
.sidebar-search-wrap {
  position: relative;
}
.sidebar-search-wrap svg {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); pointer-events: none;
}
.sidebar-search-wrap input {
  padding-left: 38px;
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius-lg);
}
.sidebar-search-wrap input:focus { background: rgba(0,0,0,0.45); }

.brand-group {
  animation: slideIn 0.35s var(--ease) backwards;
}
.brand-group:nth-child(2) { animation-delay: 0.05s; }
.brand-group:nth-child(3) { animation-delay: 0.1s; }
.brand-group:nth-child(4) { animation-delay: 0.15s; }
.brand-group:nth-child(5) { animation-delay: 0.2s; }

.brand-group h3 {
  font-size: var(--font-xs);
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--text-muted); font-weight: 600;
  padding: var(--space-5) var(--space-2) var(--space-2);
  border-top: 1px solid var(--border); margin-top: var(--space-2);
}
.brand-group:first-child h3 { border-top: none; margin-top: 0; padding-top: var(--space-1); }

.manual-item {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-2);
  padding: 10px var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer; font-size: var(--font-sm);
  margin-bottom: 2px;
  transition: all var(--t-fast) var(--ease);
  border: 1px solid transparent;
  position: relative;
}
.manual-item:hover {
  background: rgba(255,255,255,0.04);
  border-color: var(--border);
}
.manual-item.active {
  background: var(--accent-dim);
  border-color: var(--border-accent);
  color: #fff;
}
.manual-item.active::before {
  content: '';
  position: absolute; left: 0; top: 20%; bottom: 20%;
  width: 3px; background: var(--accent);
  border-radius: 0 3px 3px 0;
}
.manual-item .badge { flex-shrink: 0; }

/* ── 16. Main Content ───────────────────────────────────────── */
main.content {
  grid-row: 2; grid-column: 2;
  padding: var(--space-8) var(--space-12);
  overflow-y: auto; position: relative;
}

/* Empty state */
.empty-state {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: var(--space-4);
  min-height: 50vh;
  animation: fadeUp 0.5s var(--ease);
  text-align: center;
}
.empty-state-icon {
  font-size: 3.5rem; line-height: 1;
  filter: grayscale(0.3);
  animation: pulse 3s ease-in-out infinite;
}
.empty-state h3 { font-size: var(--font-lg); font-weight: 600; color: var(--text-dim); }
.empty-state p  { font-size: var(--font-sm); color: var(--text-muted); max-width: 300px; }

/* Plan banner */
.plan-banner {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--accent-dim); border: 1px solid var(--border-accent);
  border-radius: var(--radius-md); font-size: var(--font-sm);
  margin-bottom: var(--space-5);
  animation: fadeUp 0.4s var(--ease);
}

/* Manual header */
.manual-header {
  margin-bottom: var(--space-5);
  animation: fadeUp 0.4s var(--ease);
}
.manual-header h2 {
  font-size: var(--font-2xl); font-weight: 700;
  line-height: 1.15; margin-bottom: var(--space-2);
}
.manual-header .meta {
  color: var(--text-dim); font-size: var(--font-sm);
  display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap;
}
.manual-header .meta span { display: flex; align-items: center; gap: 4px; }

/* Tabs */
.tabs {
  display: flex; gap: 4px;
  margin-bottom: var(--space-5);
  background: rgba(0,0,0,0.2);
  border-radius: var(--radius-md);
  padding: 4px; width: fit-content;
  animation: fadeIn 0.4s var(--ease);
  border: 1px solid var(--border);
}
.tabs button {
  background: transparent; color: var(--text-dim);
  padding: 8px 18px; font-size: var(--font-sm);
  border-radius: var(--radius-sm); font-weight: 500;
  transition: all var(--t-base) var(--ease);
  border: none;
}
.tabs button:hover { color: var(--text); background: rgba(255,255,255,0.05); }
.tabs button.active {
  background: var(--panel-2); color: var(--text);
  font-weight: 600; box-shadow: var(--shadow-sm);
}

/* ── 17. Ask Section ────────────────────────────────────────── */
.ask-section { display: flex; flex-direction: column; gap: var(--space-5); animation: fadeUp 0.4s var(--ease); }

.ask-input-bar {
  display: flex; align-items: flex-end; gap: var(--space-2);
  background: var(--panel-2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-3) var(--space-3) var(--space-3) var(--space-4);
  transition: border-color var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
  box-shadow: var(--shadow-sm);
}
.ask-input-bar:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,124,31,0.14), var(--shadow-sm);
}
.ask-input-bar.is-listening {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.12);
}
.ask-input-bar textarea {
  flex: 1; min-height: 26px; max-height: 160px;
  border: none; background: transparent; color: var(--text);
  font-family: inherit; font-size: var(--font-base);
  resize: none; outline: none; line-height: 1.55;
  overflow-y: auto; padding: 0; scrollbar-width: thin;
}
.ask-input-bar textarea::placeholder { color: var(--text-muted); }

.ask-bar-actions { display: flex; align-items: center; gap: var(--space-2); flex-shrink: 0; padding-bottom: 2px; }

/* Mic button */
.btn-mic {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1.5px solid var(--border);
  background: transparent; color: var(--text-dim);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: all var(--t-base) var(--ease);
}
.btn-mic:hover:not(:disabled) {
  background: var(--accent-dim); border-color: var(--accent); color: var(--accent);
}
.btn-mic:disabled { opacity: 0.3; cursor: not-allowed; }
.btn-mic.recording {
  background: rgba(239,68,68,0.12); border-color: #ef4444; color: #ef4444;
  animation: pulse-red 1.5s ease-in-out infinite;
}

/* Send button */
.btn-send {
  width: 38px; height: 38px; border-radius: 50%;
  background: var(--accent-gradient); color: #fff;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; box-shadow: 0 2px 10px rgba(255,124,31,0.35);
  transition: all var(--t-base) var(--ease);
}
.btn-send:hover:not(:disabled) { transform: scale(1.08); box-shadow: 0 4px 16px rgba(255,124,31,0.45); }
.btn-send:disabled { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; }

/* Voice status */
.voice-status-bar {
  display: flex; align-items: center; gap: var(--space-2);
  padding: 8px 14px;
  background: rgba(239,68,68,0.07); border: 1px solid rgba(239,68,68,0.2);
  border-radius: var(--radius-md);
  font-size: var(--font-sm); color: #ef4444;
  animation: fadeIn 0.3s var(--ease);
}
.voice-status-bar.hidden { display: none; }
.voice-dot {
  width: 8px; height: 8px; border-radius: 50%; background: #ef4444;
  flex-shrink: 0; animation: pulse-red 1s ease-in-out infinite;
}

/* Search row */
.ask-row {
  display: flex; gap: var(--space-3); align-items: center;
  animation: fadeUp 0.4s var(--ease);
}
.ask-row input[type="search"] {
  flex: 1; height: 48px; padding: 0 var(--space-4);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel-2);
  font-size: var(--font-base);
  transition: border-color var(--t-base) var(--ease);
}
.ask-row input[type="search"]:focus { border-color: var(--accent); }
.ask-row .btn-primary { height: 48px; padding: 0 var(--space-5); margin-top: 0; width: auto; border-radius: var(--radius-lg); }

/* Answer box */
.answer-box {
  background: var(--panel);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-8);
  line-height: 1.7; font-size: var(--font-base);
  box-shadow: var(--shadow-sm);
  animation: fadeUp 0.5s var(--ease);
  position: relative;
  overflow: hidden;
}
.answer-box::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--accent-gradient);
}
.answer-box.md { white-space: normal; }
.answer-box.md > :first-child { margin-top: 0; }
.answer-box.md > :last-child { margin-bottom: 0; }

.answer-box.md p.answer-lead {
  font-size: var(--font-md); font-weight: 500; line-height: 1.65;
  margin: 0 0 var(--space-5);
  padding: var(--space-4) var(--space-5);
  background: rgba(255,124,31,0.06);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.answer-box.md h1, .answer-box.md h2, .answer-box.md h3, .answer-box.md h4 {
  font-size: var(--font-xs); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-dim); margin: var(--space-6) 0 var(--space-3);
  border-bottom: 1px solid var(--border); padding-bottom: var(--space-2);
}
.answer-box.md p  { margin: var(--space-3) 0; }
.answer-box.md ul, .answer-box.md ol { margin: var(--space-3) 0; padding-left: var(--space-5); }
.answer-box.md li { margin: var(--space-2) 0; }
.answer-box.md strong { color: var(--accent-hover); font-weight: 600; }
.answer-box.md table {
  border-collapse: separate; border-spacing: 0;
  margin: var(--space-5) 0; width: 100%;
  font-size: var(--font-sm); border-radius: var(--radius-md);
  overflow: hidden; border: 1px solid var(--border);
}
.answer-box.md th, .answer-box.md td {
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  padding: 11px var(--space-4); text-align: left;
}
.answer-box.md th:last-child, .answer-box.md td:last-child { border-right: none; }
.answer-box.md tr:last-child td { border-bottom: none; }
.answer-box.md th { background: rgba(255,255,255,0.04); color: #fff; font-weight: 600; }
.answer-box.md tr:hover td { background: rgba(255,124,31,0.04); }
.answer-box.md blockquote {
  margin: var(--space-4) 0; padding: var(--space-3) var(--space-4);
  border-left: 3px solid var(--warn);
  background: var(--warn-dim); border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.answer-box.md blockquote p { margin: 0; }
.answer-box.md code {
  background: rgba(0,0,0,0.3); padding: 2px 7px;
  border-radius: var(--radius-sm); font-size: 0.9em;
  border: 1px solid var(--border); color: #e5e7eb;
}

/* PDF link */
a.pdf-link {
  display: inline-flex; align-items: center; gap: 3px;
  background: var(--accent-dim); border: 1px solid var(--border-accent);
  color: var(--accent); border-radius: var(--radius-sm);
  padding: 2px 8px; font-size: 0.82em; font-weight: 600;
  margin: 0 3px; transition: all var(--t-fast) var(--ease);
}
a.pdf-link:hover { background: rgba(255,124,31,0.22); border-color: rgba(255,124,31,0.55); }
a.pdf-link::after { content: "↗"; font-size: 1em; margin-left: 2px; }

/* ── 18. References ─────────────────────────────────────────── */
.ref-list { margin-top: var(--space-6); display: flex; flex-direction: column; gap: var(--space-4); animation: fadeUp 0.5s var(--ease); }

.ref-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex; gap: var(--space-4); align-items: flex-start;
  transition: transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.ref-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); border-color: var(--border-hover); }
.ref-card.cited { border-color: var(--border-accent); background: rgba(255,124,31,0.02); }

.ref-thumb {
  flex: 0 0 110px; cursor: zoom-in;
  border: 1px solid var(--border); border-radius: var(--radius-md);
  overflow: hidden; background: #fff;
  transition: border-color var(--t-base) var(--ease);
}
.ref-thumb img { display: block; width: 100%; height: auto; }
.ref-thumb:hover { border-color: var(--accent); }

.ref-card .ref-body { flex: 1; min-width: 0; }
.ref-card .ref-top {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: var(--space-2);
}
.ref-card .page-tag { font-size: var(--font-xs); color: var(--text-dim); font-weight: 500; }
.ref-card .snippet { font-size: var(--font-sm); color: #c8cdd9; line-height: 1.55; }
.ref-card a.open-pdf { font-size: var(--font-xs); white-space: nowrap; font-weight: 500; }

/* ── 19. Lightbox ───────────────────────────────────────────── */
.lightbox {
  position: fixed; inset: 0; z-index: 9000;
  background: rgba(0,0,0,0.92); backdrop-filter: blur(6px);
  display: flex; align-items: flex-start; justify-content: center;
  overflow-y: auto; cursor: zoom-out;
  padding: var(--space-8) var(--space-4);
  animation: fadeIn 0.2s var(--ease);
}
.lightbox-inner { max-width: 1000px; width: 100%; }
.lightbox-bar {
  color: var(--text-dim); font-size: var(--font-sm);
  margin-bottom: var(--space-3); text-align: center;
}
.lightbox img {
  width: 100%; height: auto;
  border-radius: var(--radius-lg); background: #fff;
  box-shadow: 0 24px 64px rgba(0,0,0,0.6);
}

/* ── 20. Bottom Nav (Mobile) ────────────────────────────────── */
.bottom-nav {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 95;
  background: rgba(8,10,17,0.95);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border);
  padding: var(--space-2) var(--space-4) max(var(--space-2), env(safe-area-inset-bottom));
  flex-direction: row; gap: var(--space-2);
}
.bottom-nav-btn {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 3px;
  background: transparent; border: none; color: var(--text-muted);
  font-size: 0.68rem; font-weight: 500; padding: 8px 4px;
  border-radius: var(--radius-md); cursor: pointer;
  transition: all var(--t-base) var(--ease); min-height: 54px;
}
.bottom-nav-btn .bn-icon { font-size: 1.35rem; line-height: 1; transition: transform var(--t-base) var(--ease-spring); }
.bottom-nav-btn.active { color: var(--accent); }
.bottom-nav-btn.active .bn-icon { transform: scale(1.15); }
.bottom-nav-btn:hover { color: var(--text); }

/* ── 21. History ────────────────────────────────────────────── */
.history-list { display: flex; flex-direction: column; gap: var(--space-3); animation: fadeUp 0.4s var(--ease); }

.history-item {
  background: var(--panel-2);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: border-color var(--t-base) var(--ease);
}
.history-item:hover { border-color: var(--border-hover); }

.history-question {
  font-size: var(--font-base); font-weight: 500; color: var(--text);
  margin-bottom: var(--space-3); line-height: 1.45;
}
.history-meta {
  display: flex; gap: var(--space-3); flex-wrap: wrap;
  font-size: var(--font-xs); color: var(--text-dim);
  margin-bottom: var(--space-4); align-items: center;
}
.history-actions { display: flex; justify-content: flex-end; }

.h-tag { display: inline-flex; align-items: center; gap: 4px; }
.h-mode-badge {
  padding: 2px 8px; border-radius: 99px;
  font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
}
.mode-groq   { background: rgba(52,211,153,0.12);  color: #34d399; }
.mode-gemini { background: rgba(96,165,250,0.12);  color: #60a5fa; }
.mode-search { background: rgba(251,191,36,0.12);  color: #fbbf24; }
.mode-quota  { background: rgba(248,113,113,0.12); color: #f87171; }
.mode-error  { background: rgba(248,113,113,0.12); color: #f87171; }

/* ── 22. Select Manual Modal ────────────────────────────────── */
.select-manual-modal { max-width: 560px; }
.select-manual-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-3); margin-top: var(--space-4);
}
.select-manual-item {
  display: flex; flex-direction: column; align-items: center; gap: var(--space-2);
  padding: var(--space-4); background: var(--panel-2);
  border: 1.5px solid var(--border); border-radius: var(--radius-lg);
  cursor: pointer; text-align: center; font-size: var(--font-sm);
  transition: all var(--t-base) var(--ease);
}
.select-manual-item:hover { border-color: var(--accent); background: var(--accent-dim); }
.moto-icon { font-size: 2rem; line-height: 1; }
.moto-info strong { display: block; font-weight: 600; }
.moto-info span { color: var(--text-dim); font-size: var(--font-xs); }

/* ── 23. Admin Shell ────────────────────────────────────────── */
.admin-page body, .admin-page { background: var(--bg); }

.admin-shell {
  min-height: 100dvh;
  display: grid;
  grid-template-rows: var(--topbar-h) 1fr;
}

.admin-container {
  max-width: 1280px; width: 100%;
  margin: 0 auto;
  padding: var(--space-8) var(--space-6);
  display: flex; flex-direction: column; gap: var(--space-8);
}

/* Admin topbar extends base topbar */
.admin-shell .topbar { grid-column: 1; }
.topbar-brand {
  display: flex; align-items: center; gap: var(--space-4);
}
.back-link {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: var(--font-sm); color: var(--text-dim);
  padding: 7px 12px; border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: all var(--t-base) var(--ease);
}
.back-link:hover { color: var(--text); border-color: var(--border-hover); background: rgba(255,255,255,0.05); }

/* Stats grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-4);
}
.stats-grid-6 { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }

.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  display: flex; flex-direction: column; gap: var(--space-2);
  animation: fadeUp 0.4s var(--ease) backwards;
  transition: border-color var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}
.stat-card:hover { border-color: var(--border-hover); transform: translateY(-2px); }
.stat-card:nth-child(1) { animation-delay: 0.05s; }
.stat-card:nth-child(2) { animation-delay: 0.1s; }
.stat-card:nth-child(3) { animation-delay: 0.15s; }
.stat-card:nth-child(4) { animation-delay: 0.2s; }
.stat-card:nth-child(5) { animation-delay: 0.25s; }
.stat-card:nth-child(6) { animation-delay: 0.3s; }

.stat-card-accent {
  border-color: var(--border-accent);
  background: linear-gradient(135deg, rgba(255,124,31,0.07) 0%, var(--panel) 100%);
}
.stat-title { font-size: var(--font-xs); color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; }
.stat-value { font-size: 2.2rem; font-weight: 800; color: var(--accent); line-height: 1; }
.stat-card-accent .stat-value {
  background: var(--accent-gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Admin Cards */
.admin-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6) var(--space-8);
  backdrop-filter: blur(10px);
  animation: fadeUp 0.5s var(--ease);
}

.card-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4); flex-wrap: wrap;
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}
.card-header h2 { font-size: var(--font-lg); font-weight: 700; display: flex; align-items: center; gap: var(--space-2); }

/* Analytics */
.analytics-period-info { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.analytics-subtitle {
  font-size: var(--font-sm); font-weight: 600; color: var(--text-dim);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: var(--space-4); display: flex; align-items: center; gap: var(--space-2);
}
.analytics-subtitle .dim { font-weight: 400; text-transform: none; letter-spacing: 0; }

.analytics-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}
.analytics-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.analytics-panel-wide { grid-column: 1 / -1; }

.analytics-chart-wrap, .analytics-ai-wrap, .analytics-panel {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.chart-container { position: relative; width: 100%; }
.chart-container canvas { display: block; width: 100% !important; }

/* LLM usage */
.llm-usage-grid { display: flex; flex-direction: column; gap: var(--space-3); }
.llm-item { display: flex; flex-direction: column; gap: 6px; }
.llm-item-header { display: flex; justify-content: space-between; align-items: center; }
.llm-item-label { display: flex; align-items: center; gap: var(--space-2); font-size: var(--font-sm); font-weight: 500; }
.llm-item-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.llm-item-count { font-size: var(--font-xs); color: var(--text-dim); }
.llm-item-bar { height: 6px; background: rgba(255,255,255,0.06); border-radius: 99px; overflow: hidden; }
.llm-item-bar-fill { height: 100%; border-radius: 99px; transition: width 0.8s var(--ease); }
.llm-total { margin-top: var(--space-3); font-size: var(--font-xs); color: var(--text-muted); text-align: right; }

/* Ranking */
.analytics-ranking { display: flex; flex-direction: column; gap: var(--space-3); }
.ranking-item { display: flex; align-items: center; gap: var(--space-3); }
.ranking-position {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: var(--font-xs); font-weight: 800;
  background: rgba(255,255,255,0.06); color: var(--text-dim);
}
.ranking-position.gold   { background: rgba(251,191,36,0.15); color: #fbbf24; }
.ranking-position.silver { background: rgba(209,213,219,0.12); color: #d1d5db; }
.ranking-position.bronze { background: rgba(180,120,80,0.15);  color: #cd7f32; }
.ranking-info { flex: 1; min-width: 0; }
.ranking-name { font-size: var(--font-sm); font-weight: 500; margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ranking-bar-wrap { height: 4px; background: rgba(255,255,255,0.06); border-radius: 99px; overflow: hidden; }
.ranking-bar-fill { height: 100%; border-radius: 99px; background: var(--accent-gradient); transition: width 0.8s var(--ease); }
.ranking-count { font-size: var(--font-sm); font-weight: 700; color: var(--accent); flex-shrink: 0; min-width: 36px; text-align: right; }

/* Recent Questions */
.recent-questions-wrap { display: flex; flex-direction: column; gap: var(--space-3); max-height: 400px; overflow-y: auto; }
.rq-item { background: rgba(0,0,0,0.2); border: 1px solid var(--border); border-radius: var(--radius-md); padding: var(--space-3) var(--space-4); }
.rq-question { font-size: var(--font-sm); font-weight: 500; margin-bottom: var(--space-2); line-height: 1.45; }
.rq-meta { display: flex; gap: var(--space-4); flex-wrap: wrap; font-size: var(--font-xs); color: var(--text-dim); }
.rq-meta-tag { display: inline-flex; align-items: center; gap: 3px; }
.rq-mode-badge { padding: 2px 7px; border-radius: 99px; font-size: 0.67rem; font-weight: 700; text-transform: uppercase; }
.rq-mode-groq   { background: rgba(52,211,153,0.12);  color: #34d399; }
.rq-mode-gemini { background: rgba(96,165,250,0.12);  color: #60a5fa; }
.rq-mode-search { background: rgba(251,191,36,0.12);  color: #fbbf24; }
.rq-mode-quota  { background: rgba(248,113,113,0.12); color: #f87171; }
.rq-mode-error  { background: rgba(248,113,113,0.12); color: #f87171; }

/* Table wrap */
.table-wrap { overflow-x: auto; }
.table-wrap table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  font-size: var(--font-sm);
}
.table-wrap th {
  padding: 12px var(--space-4); text-align: left;
  font-size: var(--font-xs); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-dim); border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.table-wrap td {
  padding: 14px var(--space-4);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.table-wrap tr:last-child td { border-bottom: none; }
.table-wrap tr:hover td { background: rgba(255,255,255,0.02); }

/* Admin form */
.admin-form { display: flex; flex-direction: column; gap: var(--space-4); }

/* Plans grid */
.plans-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--space-4); }
.plan-admin-card {
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: var(--space-5);
  display: flex; flex-direction: column; gap: var(--space-3);
  transition: border-color var(--t-base) var(--ease);
}
.plan-admin-card:hover { border-color: var(--border-hover); }
.plan-admin-header { display: flex; justify-content: space-between; align-items: flex-start; }
.plan-admin-name { font-weight: 700; font-size: var(--font-md); }
.plan-admin-price {
  font-size: var(--font-lg); font-weight: 800; color: var(--accent);
  background: var(--accent-gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.plan-admin-desc { font-size: var(--font-sm); color: var(--text-dim); line-height: 1.5; }
.plan-admin-actions { display: flex; gap: var(--space-2); margin-top: auto; }

/* Text helpers */
.loading-text { color: var(--text-dim); font-size: var(--font-sm); padding: var(--space-6) 0; text-align: center; }
.empty-text { color: var(--text-muted); font-size: var(--font-sm); text-align: center; padding: var(--space-5) 0; }

/* ── 24. Mobile Responsive ──────────────────────────────────── */
@media (max-width: 768px) {
  /* Topbar */
  .topbar { padding: 0 var(--space-3); gap: var(--space-2); }
  .brand-text { display: none; }
  .topbar-breadcrumb { display: none; }
  #username-label { display: none; }
  .btn-secondary .btn-text { display: none; }
  .btn-secondary { padding: 9px; }
  .btn-admin .btn-text { display: none; }
  .btn-admin { padding: 9px; }
  .hamburger-btn { display: flex; }

  /* Shell */
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: var(--topbar-h) 1fr;
  }

  /* Sidebar as drawer */
  .sidebar {
    position: fixed; top: 0; left: -100%;
    width: min(85vw, 320px); height: 100dvh;
    z-index: 100;
    border-right: 1px solid var(--border);
    background: rgba(8,10,17,0.98);
    backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    transition: left 0.3s var(--ease);
    padding-top: var(--space-12);
    grid-column: unset; grid-row: unset;
    overflow-y: auto;
  }
  .sidebar.open { left: 0; }
  .sidebar-overlay { display: block; opacity: 0; pointer-events: none; transition: opacity 0.3s var(--ease); }
  .sidebar-overlay.active { opacity: 1; pointer-events: all; }

  .sidebar-close-btn {
    display: flex; position: absolute; top: var(--space-4); right: var(--space-4);
    width: 36px; height: 36px; border-radius: var(--radius-md);
    background: rgba(255,255,255,0.07); border: 1px solid var(--border);
    color: var(--text-dim); font-size: 1.1rem;
    align-items: center; justify-content: center; cursor: pointer;
    z-index: 1;
  }

  /* Main */
  main.content {
    grid-column: 1; grid-row: 2;
    padding: var(--space-5) var(--space-4);
    padding-bottom: 88px;
    overflow-y: auto;
  }

  /* Manual header */
  .manual-header h2 { font-size: var(--font-xl); }

  /* Tabs hidden on mobile (replaced by bottom nav) */
  .tabs { display: none; }

  /* Bottom nav visible */
  .bottom-nav { display: flex; }

  /* Ref cards vertical */
  .ref-card { flex-direction: column; }
  .ref-thumb { width: 100%; max-width: none; flex: none; }
  .ref-thumb img { max-height: 220px; object-fit: contain; }

  /* Answer box */
  .answer-box { padding: var(--space-4) var(--space-5); }

  /* Lightbox */
  .lightbox { padding: var(--space-4) var(--space-2); }
}

@media (max-width: 480px) {
  /* Login */
  .login-card { padding: var(--space-6); border-radius: var(--radius-xl); }
  .login-logo h1 { font-size: var(--font-lg); }

  /* Auth tabs */
  .auth-tab { font-size: 0.8rem; padding: 8px; }

  /* Admin */
  .admin-container { padding: var(--space-4) var(--space-3); gap: var(--space-5); }
  .admin-card { padding: var(--space-4); }
  .card-header h2 { font-size: var(--font-base); }
  .stats-grid, .stats-grid-6 { grid-template-columns: 1fr 1fr; gap: var(--space-3); }
  .stat-value { font-size: 1.7rem; }

  /* Tables */
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

  /* Analytics */
  .analytics-grid { grid-template-columns: 1fr; }
  .analytics-grid-3 { grid-template-columns: 1fr; }
  .analytics-panel-wide { grid-column: 1; }

  /* History */
  .history-meta { gap: var(--space-2); }
}

@media (max-width: 960px) and (min-width: 769px) {
  :root { --sidebar-w: 240px; }
  main.content { padding: var(--space-6); }
  .answer-box { padding: var(--space-5) var(--space-6); }
  .analytics-grid-3 { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 769px) and (max-width: 1100px) {
  .admin-container { padding: var(--space-6) var(--space-4); }
  .analytics-grid { grid-template-columns: 1fr; }
  .analytics-grid-3 { grid-template-columns: 1fr 1fr; }
}

/* ── 22. Answer Toolbar & Print Actions ──────────────────────── */
.answer-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  animation: fadeIn 0.3s var(--ease);
}

.answer-toolbar-title {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--text-dim);
}

.answer-toolbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.btn-print-main {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-gradient);
  color: #fff;
  font-family: inherit;
  font-size: var(--font-sm);
  font-weight: 600;
  padding: 8px 14px;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: 0 2px 10px rgba(255, 124, 31, 0.3);
  transition: all var(--t-fast) var(--ease);
}
.btn-print-main:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(255, 124, 31, 0.45);
  background: linear-gradient(135deg, #ff9b47 0%, #eb6810 100%);
}
.btn-print-main:active {
  transform: translateY(0);
}
.btn-print-main.loading {
  opacity: 0.8;
  cursor: wait;
  pointer-events: none;
}

.btn-tool {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  font-size: var(--font-sm);
  font-weight: 500;
  padding: 7px 12px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--t-fast) var(--ease);
}
.btn-tool:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--border-hover);
  color: #fff;
}
.btn-tool.copied {
  background: var(--ok-dim);
  border-color: var(--ok);
  color: var(--ok);
}

.ref-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.btn-print-page {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: inherit;
  font-size: var(--font-xs);
  font-weight: 500;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--t-fast) var(--ease);
}
.btn-print-page:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-hover);
  color: var(--text);
}

/* ── 23. Print Styling & Report Layout ──────────────────────── */
#print-area {
  display: none;
}

@media print {
  @page {
    size: A4 portrait;
    margin: 12mm 15mm 15mm 15mm;
  }

  *, *::before, *::after {
    box-sizing: border-box !important;
  }

  html, body {
    background: #ffffff !important;
    background-image: none !important;
    color: #111111 !important;
    font-family: Arial, Helvetica, "Nimbus Sans L", sans-serif !important;
    font-size: 10.5pt !important;
    line-height: 1.45 !important;
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
  }

  /* Hide entire interactive UI */
  .app-shell,
  .topbar,
  .sidebar,
  .sidebar-overlay,
  .bottom-nav,
  .tabs,
  .ask-input-bar,
  .modal-overlay,
  .lightbox,
  .answer-toolbar,
  .btn-print-main,
  .btn-tool,
  .btn-print-page,
  .notice,
  .user-chip,
  .logout,
  #topbar,
  #sidebar,
  #content,
  #bottom-nav {
    display: none !important;
    visibility: hidden !important;
    height: 0 !important;
    overflow: hidden !important;
  }

  /* Show only print area */
  #print-area {
    display: block !important;
    visibility: visible !important;
    position: static !important;
    width: 100% !important;
    background: #fff !important;
    color: #111 !important;
  }

  .print-document {
    width: 100% !important;
  }

  /* Print Header */
  .print-header {
    border-bottom: 2px solid #111;
    padding-bottom: 10px;
    margin-bottom: 16px;
  }

  .print-header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
  }

  .print-brand {
    font-size: 15pt;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #000;
  }

  .print-date {
    font-size: 9pt;
    color: #555;
  }

  .print-meta-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    background: #f4f5f7;
    padding: 10px 12px;
    border-radius: 4px;
    border: 1px solid #ddd;
    margin-top: 6px;
    font-size: 10pt;
  }

  .print-meta-item strong {
    color: #000;
  }

  .print-question-box {
    margin-top: 10px;
    padding: 8px 12px;
    background: #fbfbfb;
    border-left: 4px solid #ff7c1f;
    border-top: 1px solid #eee;
    border-right: 1px solid #eee;
    border-bottom: 1px solid #eee;
    font-size: 10.5pt;
  }
  .print-question-box strong {
    display: block;
    font-size: 9pt;
    text-transform: uppercase;
    color: #555;
    margin-bottom: 2px;
  }

  /* Section Titles */
  .print-section-title {
    font-size: 12pt;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #000;
    margin: 16px 0 8px 0;
    padding-bottom: 4px;
    border-bottom: 1px solid #ccc;
    page-break-after: avoid;
    break-after: avoid;
  }

  /* Answer Section */
  .print-answer {
    margin-bottom: 20px;
  }

  .print-answer p.answer-lead {
    font-size: 11pt;
    font-weight: bold;
    padding: 8px 12px;
    background: #f9f9f9;
    border: 1px solid #e0e0e0;
    border-left: 4px solid #111;
    margin-bottom: 12px;
  }

  .print-answer h1,
  .print-answer h2,
  .print-answer h3,
  .print-answer h4 {
    font-size: 10.5pt;
    font-weight: 700;
    text-transform: uppercase;
    color: #222;
    margin: 14px 0 6px 0;
    border-bottom: 1px dotted #ccc;
    padding-bottom: 2px;
    page-break-after: avoid;
    break-after: avoid;
  }

  .print-answer p {
    margin: 6px 0;
    text-align: justify;
  }

  .print-answer ul,
  .print-answer ol {
    margin: 6px 0 10px 0;
    padding-left: 22px;
  }

  .print-answer li {
    margin-bottom: 4px;
  }

  .print-answer strong {
    font-weight: 700;
    color: #000;
  }

  /* Print Tables */
  .print-answer table {
    width: 100% !important;
    border-collapse: collapse !important;
    margin: 10px 0 14px 0 !important;
    font-size: 9.5pt !important;
    page-break-inside: avoid;
    break-inside: avoid;
  }

  .print-answer th,
  .print-answer td {
    border: 1px solid #444 !important;
    padding: 6px 8px !important;
    text-align: left !important;
    color: #000 !important;
  }

  .print-answer th {
    background-color: #e8e8e8 !important;
    font-weight: bold !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .print-answer blockquote {
    margin: 8px 0;
    padding: 6px 12px;
    border-left: 3px solid #666;
    background: #f5f5f5;
    font-style: italic;
  }

  .print-answer a.pdf-link {
    color: #000 !important;
    font-weight: bold;
    text-decoration: underline;
  }

  /* PDF Page Attachment Section */
  .print-pages-section {
    width: 100%;
  }

  .print-page-item {
    page-break-before: always;
    break-before: page;
    page-break-inside: avoid;
    break-inside: avoid;
    padding-top: 10px;
    text-align: center;
  }

  .print-page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #777;
    padding-bottom: 6px;
    margin-bottom: 10px;
    font-size: 10pt;
    font-weight: 700;
    color: #000;
  }

  .print-page-img-wrap {
    width: 100%;
    text-align: center;
  }

  .print-page-img {
    max-width: 100% !important;
    width: auto !important;
    max-height: 240mm !important;
    object-fit: contain;
    border: 1px solid #999;
    box-shadow: none !important;
    display: inline-block;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  /* Print Footer */
  .print-footer {
    margin-top: 20px;
    padding-top: 8px;
    border-top: 1px solid #ccc;
    font-size: 8pt;
    color: #666;
    display: flex;
    justify-content: space-between;
    page-break-inside: avoid;
    break-inside: avoid;
  }
}