/* ============================================================
   SPOTLIGHT CREATIVE — NEXT-GEN ULTRA-PREMIUM UI SYSTEM
   Inspired by: sv-animations, sv-blocks, sv-table, sv-agentation,
                sv-efferd, sv-matrix, Linear & Raycast
   ============================================================ */

/* === Dark Mode Tokens (Midnight Sapphire) === */
:root, .dark {
  --bg-primary:     #070a13;
  --bg-secondary:   #0d1424;
  --bg-tertiary:    #121b30;
  --bg-card:        rgba(13, 20, 36, 0.70);
  --bg-card-hover:  rgba(18, 27, 48, 0.85);
  --bg-input:       #0a1020;
  
  --accent-blue:    #2563ff;
  --accent-cyan:    #00f0ff;
  --accent-violet:  #8b5cf6;
  --accent-amber:   #f59e0b;
  --accent-emerald: #10b981;
  --accent-rose:    #f43f5e;
  
  --border-color:   rgba(96, 165, 250, 0.14);
  --border-hover:   rgba(96, 165, 250, 0.35);
  --border-glow:    rgba(37, 99, 255, 0.4);
  
  --text-main:      #f8fafc;
  --text-sub:       #94a3b8;
  --text-muted:     #64748b;
  
  --spotlight-color: rgba(96, 165, 250, 0.15);
  --shadow-card:    0 8px 32px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(96, 165, 250, 0.12);
  --shadow-glow:    0 0 25px rgba(37, 99, 255, 0.35);
}

/* === Light Mode Tokens (Crystal Ice) === */
.light {
  --bg-primary:     #f1f5f9;
  --bg-secondary:   #ffffff;
  --bg-tertiary:    #e2e8f0;
  --bg-card:        rgba(255, 255, 255, 0.85);
  --bg-card-hover:  rgba(255, 255, 255, 0.98);
  --bg-input:       #f8fafc;
  
  --accent-blue:    #1d4ed8;
  --accent-cyan:    #0284c7;
  --accent-violet:  #7c3aed;
  --accent-amber:   #d97706;
  --accent-emerald: #059669;
  --accent-rose:    #e11d48;
  
  --border-color:   rgba(37, 99, 255, 0.12);
  --border-hover:   rgba(37, 99, 255, 0.28);
  --border-glow:    rgba(37, 99, 255, 0.25);
  
  --text-main:      #0f172a;
  --text-sub:       #475569;
  --text-muted:     #94a3b8;
  
  --spotlight-color: rgba(37, 99, 255, 0.08);
  --shadow-card:    0 8px 32px rgba(37, 99, 255, 0.08), 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-glow:    0 0 20px rgba(37, 99, 255, 0.2);
}

/* === Global Typography & Layout === */
html, body { height: 100%; }

#auth-shell, .users-modal {
  position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center;
  padding: 1.5rem; background: rgba(4, 8, 18, 0.92); backdrop-filter: blur(20px);
}
.auth-card { width: min(420px, 100%); padding: 2rem; border-radius: 1.5rem; color: #f8fafc; background: linear-gradient(145deg, #101b31, #0a1121); border: 1px solid rgba(96,165,250,.28); box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.auth-logo { width: 48px; height: 48px; display:grid; place-items:center; border-radius: 15px; color:#93c5fd; background:rgba(37,99,255,.18); border:1px solid rgba(96,165,250,.35); margin-bottom:1.5rem; }
.auth-eyebrow, .users-heading p { color:#60a5fa; font-size:.68rem; font-weight:800; letter-spacing:.16em; }
.auth-card h2, .users-heading h2 { font: 800 1.65rem Outfit, sans-serif; margin:.3rem 0; }
.auth-copy { color:#94a3b8; font-size:.82rem; margin-bottom:1.5rem; }
.auth-card form { display:grid; gap:1rem; }
.auth-card label { display:grid; gap:.45rem; color:#cbd5e1; font-size:.72rem; font-weight:700; }
.auth-card input { padding:.8rem 1rem; }
.auth-card button, .create-user-form button { display:flex; align-items:center; justify-content:center; gap:.5rem; padding:.8rem 1rem; border-radius:.8rem; color:white; font-size:.78rem; font-weight:800; background:linear-gradient(135deg,#2563eb,#7c3aed); }
.auth-card button:disabled { opacity:.55; cursor:wait; }
.auth-error { min-height:1.1rem; color:#fda4af; font-size:.73rem; }
.user-menu { display:flex; align-items:center; gap:.55rem; margin-left:.25rem; padding:.3rem; border-radius:.9rem; border:1px solid var(--border-color); background:var(--bg-card); }
.user-avatar { width:28px; height:28px; display:grid; place-items:center; border-radius:.65rem; background:rgba(37,99,255,.25); color:#bfdbfe; font-size:.72rem; font-weight:800; }
.user-identity { display:grid; line-height:1.05; min-width:70px; }
.user-identity strong { font-size:.68rem; color:var(--text-main); }
.user-identity small { font-size:.57rem; color:var(--text-sub); text-transform:uppercase; }
.user-menu button { padding:.4rem .55rem; border-radius:.55rem; color:var(--text-sub); font-size:.68rem; }
.user-menu button:hover { color:white; background:rgba(255,255,255,.07); }
.users-panel { width:min(900px,100%); max-height:88vh; overflow:auto; padding:1.5rem; border-radius:1.5rem; color:#f8fafc; background:#0d1628; border:1px solid rgba(96,165,250,.25); box-shadow:0 30px 90px rgba(0,0,0,.55); }
.users-heading { display:flex; align-items:center; justify-content:space-between; margin-bottom:1.25rem; }
.users-heading button { width:36px; height:36px; border-radius:.7rem; color:#94a3b8; background:rgba(255,255,255,.05); }
.create-user-form { display:grid; grid-template-columns:1fr 1.2fr 1.2fr .8fr auto; gap:.65rem; margin-bottom:.5rem; }
.create-user-form input, .create-user-form select { min-width:0; padding:.65rem .75rem; font-size:.72rem; }
.users-table-wrap { overflow-x:auto; border:1px solid rgba(148,163,184,.14); border-radius:1rem; }
.users-panel table { width:100%; border-collapse:collapse; font-size:.75rem; }
.users-panel th { padding:.75rem 1rem; text-align:left; color:#64748b; font-size:.62rem; text-transform:uppercase; letter-spacing:.1em; background:rgba(255,255,255,.025); }
.users-panel td { padding:.8rem 1rem; border-top:1px solid rgba(148,163,184,.1); }
.users-panel td:first-child { display:grid; }
.users-panel td small { color:#64748b; }
.users-panel select { padding:.4rem .6rem; font-size:.7rem; }
.status-toggle { padding:.35rem .6rem; color:#6ee7b7; background:rgba(16,185,129,.12); border-radius:99px; font-size:.65rem; font-weight:700; }
.status-toggle.disabled { color:#fda4af; background:rgba(244,63,94,.12); }
@media (max-width: 900px) { .create-user-form { grid-template-columns:1fr 1fr; } .user-identity { display:none; } }

.chat-skill-stack { display:flex; align-items:center; flex-wrap:wrap; gap:.5rem; padding:.65rem .75rem; border:1px solid rgba(96,165,250,.16); border-radius:.9rem; background:rgba(37,99,255,.045); }
.chat-skill-stack__label { display:flex; align-items:center; gap:.4rem; color:var(--text-sub); font-size:.64rem; font-weight:800; text-transform:uppercase; letter-spacing:.06em; }
.chat-skill-stack__label i { color:#60a5fa; }
.chat-skill-chips { display:flex; align-items:center; flex-wrap:wrap; gap:.35rem; flex:1; }
.chat-skill-chip { display:flex; align-items:center; gap:.35rem; padding:.3rem .45rem .3rem .6rem; border-radius:99px; color:#bfdbfe; background:rgba(37,99,255,.16); border:1px solid rgba(96,165,250,.3); font-size:.65rem; font-weight:700; }
.chat-skill-chip button { width:18px; height:18px; border-radius:50%; color:#93c5fd; }
.chat-skill-chip button:hover { color:white; background:rgba(255,255,255,.1); }
.chat-skill-add { display:flex; align-items:center; gap:.35rem; padding:.38rem .6rem; border-radius:.65rem; color:#cbd5e1; border:1px dashed rgba(148,163,184,.32); font-size:.65rem; font-weight:700; }
.chat-skill-add:hover { color:white; border-color:#60a5fa; background:rgba(37,99,255,.1); }
.chat-skill-picker { position:fixed; inset:0; z-index:1100; display:grid; place-items:center; padding:1.5rem; background:rgba(4,8,18,.9); backdrop-filter:blur(18px); }
.chat-skill-picker__panel { width:min(840px,100%); max-height:86vh; display:flex; flex-direction:column; gap:1rem; padding:1.4rem; border-radius:1.4rem; color:#f8fafc; background:#0d1628; border:1px solid rgba(96,165,250,.25); box-shadow:0 30px 90px rgba(0,0,0,.55); }
.chat-skill-picker__head { display:flex; align-items:flex-start; justify-content:space-between; }
.chat-skill-picker__head small { color:#60a5fa; font-size:.62rem; font-weight:800; letter-spacing:.14em; }
.chat-skill-picker__head h3 { font:800 1.35rem Outfit,sans-serif; margin:.2rem 0; }
.chat-skill-picker__head p { color:#94a3b8; font-size:.72rem; }
.chat-skill-picker__head > button { width:36px; height:36px; border-radius:.7rem; color:#94a3b8; background:rgba(255,255,255,.05); }
.chat-skill-picker__panel > input { padding:.75rem .9rem; }
.chat-skill-picker__grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:.55rem; overflow:auto; padding-right:.25rem; }
.chat-skill-option { display:flex; align-items:center; justify-content:space-between; gap:.75rem; padding:.75rem; text-align:left; border-radius:.85rem; border:1px solid rgba(148,163,184,.14); background:rgba(255,255,255,.025); }
.chat-skill-option:hover { border-color:rgba(96,165,250,.4); background:rgba(37,99,255,.09); }
.chat-skill-option.selected { border-color:#3b82f6; background:rgba(37,99,255,.16); }
.chat-skill-option span { display:grid; min-width:0; }
.chat-skill-option strong { color:#e2e8f0; font-size:.75rem; text-transform:capitalize; }
.chat-skill-option small { color:#64748b; font-size:.61rem; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.chat-skill-option i { color:#60a5fa; }
@media (max-width: 640px) { .chat-skill-picker__grid { grid-template-columns:1fr; } }

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: 'Plus Jakarta Sans', sans-serif;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* === Ambient Particle Canvas === */
#ambient-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
}

/* === SV-Blocks: Mouse Spotlight Card Effect === */
.crystal-card {
  position: relative;
  background: var(--bg-card);
  backdrop-filter: blur(24px) saturate(1.5);
  -webkit-backdrop-filter: blur(24px) saturate(1.5);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-card);
  border-radius: 1.5rem;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.22s ease,
              box-shadow 0.22s ease;
}

.crystal-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card), 0 12px 40px rgba(37, 99, 255, 0.12);
  transform: translateY(-2px);
}

.crystal-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(450px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), var(--spotlight-color), transparent 60%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  border-radius: inherit;
  z-index: 1;
}

.crystal-card:hover::after {
  opacity: 1;
}

/* Ensure contents stay above spotlight pseudo-element */
.crystal-card > * {
  position: relative;
  z-index: 2;
}

/* === Custom Scrollbars === */
* { scrollbar-width: thin; scrollbar-color: rgba(37, 99, 255, 0.3) transparent; }
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(37, 99, 255, 0.3); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: rgba(37, 99, 255, 0.6); }

/* === Tab Animations (sv-animations) === */
.tab-pane {
  animation: crystalEntrance 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes crystalEntrance {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.992);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* === Navigation Tabs === */
.tab-btn {
  color: var(--text-sub);
  font-weight: 600;
  font-size: 0.75rem;
  padding: 0.5rem 1rem;
  border-radius: 0.85rem;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-color);
}

.tab-btn.active {
  background: linear-gradient(135deg, rgba(37, 99, 255, 0.22), rgba(139, 92, 246, 0.15)) !important;
  color: var(--text-main) !important;
  border-color: var(--accent-blue) !important;
  box-shadow: 0 0 20px rgba(37, 99, 255, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
}

/* === Premium Inputs & Controls === */
input, textarea, select {
  background: var(--bg-input) !important;
  color: var(--text-main) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: 0.85rem !important;
  transition: border-color 0.2s, box-shadow 0.2s !important;
}

input::placeholder, textarea::placeholder {
  color: var(--text-muted) !important;
}

input:focus, textarea:focus, select:focus {
  outline: none !important;
  border-color: var(--accent-blue) !important;
  box-shadow: 0 0 0 3px rgba(37, 99, 255, 0.20) !important;
}

select option {
  background: var(--bg-secondary);
  color: var(--text-main);
}

/* === Platform Buttons === */
.platform-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-sub);
  border-radius: 1rem;
  padding: 0.65rem 0.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 700;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
}

.platform-btn:hover {
  border-color: var(--border-hover);
  color: var(--text-main);
  transform: translateY(-2px);
}

.platform-btn.active {
  border-color: var(--accent-blue) !important;
  background: linear-gradient(135deg, rgba(37, 99, 255, 0.25), rgba(0, 240, 255, 0.12)) !important;
  color: var(--text-main) !important;
  box-shadow: 0 0 20px rgba(37, 99, 255, 0.30), inset 0 1px 0 rgba(255, 255, 255, 0.25) !important;
}

/* === Preset Pills === */
.ad-studio-hero {
  background:
    radial-gradient(circle at 92% 10%, rgba(0, 240, 255, 0.13), transparent 28%),
    radial-gradient(circle at 70% 120%, rgba(139, 92, 246, 0.22), transparent 40%),
    linear-gradient(135deg, #111d35 0%, #0d1930 48%, #11152d 100%) !important;
  border-color: rgba(96, 165, 250, 0.34);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.ad-studio-hero h2 {
  color: #ffffff !important;
  text-shadow: 0 2px 20px rgba(37, 99, 255, 0.22);
}

.ad-studio-hero p,
.ad-studio-hero > div > div > span {
  color: #cbd5e1 !important;
}

.ad-studio-hero__badge {
  color: #bfdbfe;
  background: rgba(37, 99, 255, 0.18);
  border: 1px solid rgba(96, 165, 250, 0.42);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.ad-studio-hero__badge i { color: #60a5fa; }

.ad-studio-hero .preset-pill {
  color: #e2e8f0 !important;
  background: rgba(6, 10, 20, 0.34) !important;
  border-color: rgba(148, 163, 184, 0.32) !important;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.ad-studio-hero .preset-pill:hover,
.ad-studio-hero .preset-pill:focus-visible {
  color: #ffffff !important;
  background: rgba(37, 99, 255, 0.24) !important;
  border-color: #60a5fa !important;
  outline: none;
}

.preset-pill {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-sub);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: 0.75rem;
  transition: all 0.18s;
  cursor: pointer;
  white-space: nowrap;
}

.preset-pill:hover {
  border-color: var(--accent-blue);
  color: var(--text-main);
  background: rgba(37, 99, 255, 0.1);
  transform: translateY(-1px);
}

/* === Advisor Cards (Marketing Council) === */
.advisor-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 1.25rem;
  padding: 1rem;
  cursor: pointer;
  user-select: none;
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.advisor-card:hover {
  transform: translateY(-3px);
  border-color: rgba(245, 158, 11, 0.5);
  box-shadow: 0 8px 25px rgba(245, 158, 11, 0.15);
}

.advisor-card.selected {
  border-color: var(--accent-amber) !important;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.18), rgba(245, 158, 11, 0.05)) !important;
  box-shadow: 0 0 25px rgba(245, 158, 11, 0.30), inset 0 1px 0 rgba(245, 158, 11, 0.4) !important;
}

/* === Primary Action Button (Electric Glow) === */
.btn-generate {
  background: linear-gradient(135deg, var(--accent-blue) 0%, #1d4ed8 50%, #4338ca 100%);
  color: #ffffff !important;
  font-weight: 800;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  border-radius: 1.15rem;
  padding: 0.85rem 1.6rem;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2), 0 8px 30px rgba(37, 99, 255, 0.45);
  transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.btn-generate::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: linear-gradient(60deg, transparent, rgba(255, 255, 255, 0.18), transparent);
  transform: rotate(25deg) translateY(-100%);
  transition: transform 0.6s ease;
}

.btn-generate:hover::before {
  transform: rotate(25deg) translateY(100%);
}

.btn-generate:hover {
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.3), 0 12px 40px rgba(37, 99, 255, 0.65);
  transform: translateY(-2px);
}

.btn-generate:active {
  transform: scale(0.98);
}

.btn-generate:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

/* === SV-Agentation: Multi-Agent Progress Chain === */
.progress-chain {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(37, 99, 255, 0.06);
  border: 1px solid rgba(37, 99, 255, 0.18);
  border-radius: 1rem;
  margin-bottom: 0.75rem;
}

.progress-step {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color 0.2s;
}

.progress-step.active {
  color: var(--accent-cyan);
}

.progress-step.done {
  color: var(--accent-emerald);
}

/* === SV-Table: Rich Data Table === */
.sv-matrix-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.75rem;
}

.sv-matrix-table th {
  background: var(--bg-tertiary);
  color: var(--text-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.65rem;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--border-color);
}

.sv-matrix-table td {
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  vertical-align: middle;
}

.sv-matrix-table tr:hover td {
  background: rgba(37, 99, 255, 0.05);
}

/* Character length indicator chips */
.char-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.15rem 0.45rem;
  border-radius: 99px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  font-weight: 700;
}

.char-tag.optimal { background: rgba(16, 185, 129, 0.15); color: #34d399; border: 1px solid rgba(16, 185, 129, 0.3); }
.char-tag.warning { background: rgba(245, 158, 11, 0.15); color: #fbbf24; border: 1px solid rgba(245, 158, 11, 0.3); }
.char-tag.overflow { background: rgba(244, 63, 94, 0.15); color: #fb7185; border: 1px solid rgba(244, 63, 94, 0.3); }

/* === iPhone Device Frame (SV-Efferd style) === */
.device-frame-mobile {
  max-width: 360px;
  width: 100%;
  background: #020408;
  border-radius: 2.5rem;
  border: 4px solid #1e293b;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.1);
  padding: 0.85rem;
  position: relative;
  overflow: hidden;
}

.device-notch {
  width: 90px;
  height: 18px;
  background: #0f172a;
  border-radius: 99px;
  margin: 0 auto 0.65rem auto;
}

/* === Chat-Back Thread Styles === */
.chat-thread {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 380px;
  overflow-y: auto;
  padding: 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 1rem 1rem 0 0;
}

.chat-bubble {
  display: flex;
  gap: 0.65rem;
  animation: bubbleSlideIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes bubbleSlideIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-bubble.user {
  flex-direction: row-reverse;
}

.bubble-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.bubble-avatar.ai-av {
  background: linear-gradient(135deg, var(--accent-blue), #4338ca);
  color: white;
  box-shadow: 0 0 12px rgba(37, 99, 255, 0.4);
}

.bubble-avatar.user-av {
  background: var(--bg-tertiary);
  color: var(--text-sub);
  border: 1px solid var(--border-color);
}

.bubble-body {
  max-width: 85%;
  padding: 0.65rem 0.95rem;
  border-radius: 1rem;
  font-size: 0.78rem;
  line-height: 1.65;
}

.chat-bubble.ai .bubble-body {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  border-radius: 0.3rem 1rem 1rem 1rem;
}

.chat-bubble.user .bubble-body {
  background: linear-gradient(135deg, rgba(37, 99, 255, 0.25), rgba(139, 92, 246, 0.15));
  border: 1px solid rgba(37, 99, 255, 0.35);
  color: var(--text-main);
  border-radius: 1rem 0.3rem 1rem 1rem;
  text-align: right;
}

.chat-input-bar {
  display: flex;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-top: none;
  border-radius: 0 0 1rem 1rem;
  overflow: hidden;
}

.chat-input-bar:focus-within {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(37, 99, 255, 0.15);
}

.chat-input-bar input {
  flex: 1;
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
  color: var(--text-main) !important;
  font-size: 0.8rem !important;
  padding: 0.75rem 1rem !important;
  box-shadow: none !important;
}

.chat-input-bar .send-btn {
  padding: 0.6rem 1.2rem;
  background: var(--accent-blue);
  color: white;
  font-weight: 700;
  font-size: 0.75rem;
  border: none;
  cursor: pointer;
  transition: background 0.15s;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.chat-input-bar .send-btn:hover {
  background: #1d4ed8;
}

/* === Output Controls Drawer === */
.controls-drawer {
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s;
  max-height: 0;
  opacity: 0;
}

.controls-drawer.open {
  max-height: 380px;
  opacity: 1;
}

/* === Range Sliders === */
input[type=range] {
  -webkit-appearance: none;
  appearance: none;
  background: var(--bg-tertiary) !important;
  border: none !important;
  border-radius: 99px !important;
  height: 6px !important;
  outline: none;
  padding: 0 !important;
  cursor: pointer;
}

input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--accent-blue);
  box-shadow: 0 0 10px rgba(37, 99, 255, 0.6);
  border: 2px solid #ffffff;
  cursor: pointer;
  transition: transform 0.15s;
}

input[type=range]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* === Markdown Prose Styles === */
.prose h1, .prose h2, .prose h3, .prose h4 {
  color: var(--text-main);
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  margin-top: 1rem;
  margin-bottom: 0.4rem;
}

.prose h1 { font-size: 1.15rem; border-bottom: 1px solid var(--border-color); padding-bottom: 0.25rem; }
.prose h2 { font-size: 1rem; color: #60a5fa; }
.prose h3 { font-size: 0.88rem; color: var(--accent-cyan); }
.prose p { margin-bottom: 0.65rem; line-height: 1.68; color: var(--text-sub); }
.prose ul, .prose ol { margin-left: 1.2rem; margin-bottom: 0.65rem; color: var(--text-sub); }
.prose li { margin-bottom: 0.2rem; list-style-type: disc; }
.prose strong { color: var(--text-main); font-weight: 700; }
.prose code { background: rgba(37, 99, 255, 0.12); padding: 0.15rem 0.4rem; border-radius: 0.4rem; color: #93c5fd; font-family: 'JetBrains Mono', monospace; font-size: 0.82em; }
.prose pre { background: var(--bg-input); border: 1px solid var(--border-color); border-radius: 0.85rem; padding: 0.85rem; overflow-x: auto; margin: 0.75rem 0; }
.prose pre code { background: transparent; padding: 0; border: none; color: var(--text-sub); }

/* === Typing Cursor === */
.typing-cursor {
  display: inline-block;
  width: 3px;
  height: 15px;
  background: var(--accent-cyan);
  margin-left: 2px;
  vertical-align: middle;
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: blink 0.8s infinite;
}

@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* === Toast Notification === */
#toast-container > div {
  background: var(--bg-secondary) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-main) !important;
  box-shadow: var(--shadow-card), 0 10px 30px rgba(0, 0, 0, 0.5) !important;
  backdrop-filter: blur(20px) !important;
}