/* ──────────────────────────────────────────────────────────────
   Gemini Web2API — Premium Chat Interface
   Dark glassmorphism aesthetic with purple/blue gradients
   ────────────────────────────────────────────────────────────── */

:root {
  --bg-900: #0a0a0f;
  --bg-800: #11111a;
  --bg-700: #1b1b28;
  --bg-600: #252535;
  --panel: rgba(20, 20, 30, 0.72);
  --panel-2: rgba(30, 30, 46, 0.56);

  --accent: #8b5cf6;
  --accent-2: #6366f1;
  --accent-3: #06b6d4;
  --accent-soft: rgba(139, 92, 246, 0.18);
  --accent-glow: rgba(99, 102, 241, 0.35);

  --text-100: #f8f9ff;
  --text-200: #d9dcff;
  --text-300: #a6aad6;
  --text-400: #7b7fa8;

  --success: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 30px;

  --font-ui: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Plus Jakarta Sans', var(--font-ui);
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;

  --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.18);

  --sidebar-w: 290px;
  --header-h: 68px;
  --composer-h: auto;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  overflow: hidden;
  background: var(--bg-900);
  color: var(--text-100);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Aurora / ambient background ── */
.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  animation: floatOrb 18s ease-in-out infinite alternate;
}

.orb-1 {
  width: 520px; height: 520px;
  top: -160px; left: -140px;
  background: radial-gradient(circle, rgba(139,92,246,0.55), transparent 70%);
}

.orb-2 {
  width: 440px; height: 440px;
  bottom: -120px; right: -100px;
  background: radial-gradient(circle, rgba(6,182,212,0.45), transparent 70%);
  animation-delay: -6s;
}

.orb-3 {
  width: 300px; height: 300px;
  top: 40%; left: 45%;
  background: radial-gradient(circle, rgba(99,102,241,0.4), transparent 70%);
  animation-delay: -12s;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 40%, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 75%);
}

@keyframes floatOrb {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(40px, -30px) scale(1.08); }
}

/* ── App shell ── */
.app-shell {
  position: relative;
  z-index: 1;
  display: flex;
  height: 100vh;
  width: 100vw;
}

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 24px 20px 18px;
  background: var(--panel);
  border-right: 1px solid rgba(255,255,255,0.06);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  box-shadow: 6px 0 40px rgba(0,0,0,0.2);
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 4px;
}

.brand-logo {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  box-shadow: 0 8px 24px rgba(139,92,246,0.35);
}

.brand-text h1 {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.02em;
}

.brand-text h1 span {
  font-weight: 600;
  color: var(--text-300);
}

.brand-text p {
  margin: 2px 0 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-400);
}

.side-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.side-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-300);
}

.select-wrap {
  position: relative;
}

select, input[type="password"], input[type="text"] {
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.09);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--text-100);
  font-size: 14px;
  font-family: var(--font-ui);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

select:hover, input:hover { background: rgba(255,255,255,0.07); }
select:focus, input:focus {
  border-color: rgba(139,92,246,0.5);
  box-shadow: 0 0 0 3px rgba(139,92,246,0.12);
  background: rgba(255,255,255,0.04);
}

select option { background: var(--bg-800); color: var(--text-100); }

.select-chevron {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-400);
  font-size: 11px;
  pointer-events: none;
}

.side-hint {
  margin: 0;
  font-size: 11px;
  line-height: 1.5;
  color: var(--text-400);
}

.key-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.key-wrap input { padding-right: 40px; }

.key-wrap .icon-btn {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-400);
  cursor: pointer;
  display: grid; place-items: center;
  transition: color 0.2s, background 0.2s;
}

.key-wrap .icon-btn:hover { color: var(--text-200); background: rgba(255,255,255,0.06); }

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-sm);
}

.toggle-label { font-size: 13px; color: var(--text-200); }

.toggle {
  width: 42px;
  height: 24px;
  border-radius: 999px;
  border: none;
  background: var(--bg-600);
  position: relative;
  cursor: pointer;
  transition: background 0.25s ease;
}

.toggle[aria-checked="true"] { background: linear-gradient(135deg, var(--accent), var(--accent-2)); }

.toggle .knob {
  position: absolute;
  top: 3px; left: 3px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 1px 4px rgba(0,0,0,0.25);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.toggle[aria-checked="true"] .knob { transform: translateX(18px); }

.side-actions {
  margin-top: auto;
  gap: 10px;
}

.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: var(--text-200);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
}

.ghost-btn:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.14); transform: translateY(-1px); }
.ghost-btn:active { transform: translateY(0); }
.ghost-btn.danger { color: var(--danger); border-color: rgba(248,113,113,0.18); background: rgba(248,113,113,0.06); }
.ghost-btn.danger:hover { background: rgba(248,113,113,0.12); }

.side-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.07);
  font-size: 12px;
  color: var(--text-400);
}

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--warn);
  box-shadow: 0 0 8px var(--warn);
  animation: pulseDot 2s infinite;
}

.status-dot.ok { background: var(--success); box-shadow: 0 0 8px var(--success); }
.status-dot.error { background: var(--danger); box-shadow: 0 0 8px var(--danger); }

@keyframes pulseDot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.45);
  z-index: 5;
  opacity: 0;
  transition: opacity 0.3s;
}

/* ── Main content ── */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  min-width: 0;
}

.topbar {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 0 24px;
  background: rgba(10,10,15,0.55);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.menu-btn { display: none; }

.topbar-title {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.topbar-model {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--text-100);
}

.topbar-sub {
  font-size: 12px;
  color: var(--text-400);
}

.topbar-right { display: flex; align-items: center; gap: 10px; }

.conn-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-300);
}

.conn-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}

/* ── Chat scroll area ── */
.chat-scroll {
  flex: 1;
  overflow-y: auto;
  padding: 24px 16px 10px;
  scroll-behavior: smooth;
}

.chat-scroll::-webkit-scrollbar { width: 7px; }
.chat-scroll::-webkit-scrollbar-track { background: transparent; }
.chat-scroll::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 999px; }
.chat-scroll::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

.chat-container {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* ── Empty / welcome state ── */
.welcome {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 48px 20px 20px;
  animation: fadeInUp 0.6s ease both;
}

.welcome-orb {
  width: 76px; height: 76px;
  display: grid; place-items: center;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(139,92,246,0.25), rgba(6,182,212,0.2));
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text-100);
  margin-bottom: 22px;
  box-shadow: var(--shadow-glow);
}

.welcome h2 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 800;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
  background: linear-gradient(90deg, #fff, #c4c7ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.welcome p {
  max-width: 520px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-300);
  margin: 0 0 26px;
}

.suggestions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 560px;
}

.suggestion-chip {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: var(--text-200);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
}

.suggestion-chip:hover {
  background: var(--accent-soft);
  border-color: rgba(139,92,246,0.35);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(139,92,246,0.15);
}

/* ── Messages ── */
.message {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  animation: messageIn 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes messageIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.avatar {
  width: 36px; height: 36px;
  flex-shrink: 0;
  border-radius: 12px;
  display: grid; place-items: center;
  background: var(--bg-700);
  border: 1px solid rgba(255,255,255,0.07);
  color: var(--text-300);
}

.message.user .avatar {
  background: linear-gradient(135deg, rgba(99,102,241,0.25), rgba(139,92,246,0.25));
  color: #e0e2ff;
}

.message.ai .avatar {
  background: linear-gradient(135deg, rgba(6,182,212,0.18), rgba(139,92,246,0.18));
  color: #cffafe;
}

.bubble-wrap {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-400);
}

.meta .name { font-weight: 600; color: var(--text-200); }

.bubble {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.07);
  background: var(--panel-2);
  backdrop-filter: blur(14px);
  color: var(--text-100);
  font-size: 14.5px;
  line-height: 1.65;
  box-shadow: var(--shadow-soft);
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.message.user .bubble {
  background: linear-gradient(135deg, rgba(99,102,241,0.18), rgba(139,92,246,0.12));
  border-color: rgba(139,92,246,0.22);
}

.message.ai .bubble {
  background: rgba(20,20,30,0.65);
  border-color: rgba(255,255,255,0.08);
}

/* Markdown-ish rendering inside bubbles */
.bubble p { margin: 0 0 0.9em; }
.bubble p:last-child { margin-bottom: 0; }

.bubble h1, .bubble h2, .bubble h3, .bubble h4 {
  font-family: var(--font-display);
  margin: 1.2em 0 0.5em;
  color: var(--text-100);
}

.bubble ul, .bubble ol { padding-left: 1.4em; margin: 0.6em 0; }
.bubble li { margin: 0.25em 0; }

.bubble pre {
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 14px 16px;
  overflow-x: auto;
  margin: 0.8em 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.55;
}

.bubble code {
  font-family: var(--font-mono);
  background: rgba(255,255,255,0.08);
  padding: 2px 6px;
  border-radius: 5px;
  font-size: 0.92em;
}

.bubble pre code { background: transparent; padding: 0; }

.bubble blockquote {
  margin: 0.8em 0;
  padding: 6px 0 6px 14px;
  border-left: 2px solid var(--accent);
  color: var(--text-300);
}

.bubble strong { color: #fff; }
.bubble a { color: #93c5fd; text-decoration: none; }
.bubble a:hover { text-decoration: underline; }

.message-actions {
  display: flex;
  gap: 8px;
  opacity: 0;
  transform: translateY(3px);
  transition: opacity 0.2s, transform 0.2s;
}

.message:hover .message-actions, .message.ai.streaming .message-actions {
  opacity: 1;
  transform: translateY(0);
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 9px;
  font-size: 11px;
  color: var(--text-400);
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.action-btn:hover { color: var(--text-200); background: rgba(255,255,255,0.08); }

/* ── Loading / streaming indicator ── */
.thinking {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(139,92,246,0.1);
  border: 1px solid rgba(139,92,246,0.2);
  color: var(--text-300);
  font-size: 12px;
  margin-top: 4px;
}

.dots {
  display: flex;
  gap: 4px;
}

.dots span {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--accent);
  animation: dotBounce 1.1s infinite ease-in-out both;
}

.dots span:nth-child(1) { animation-delay: 0s; }
.dots span:nth-child(2) { animation-delay: 0.16s; }
.dots span:nth-child(3) { animation-delay: 0.32s; }

@keyframes dotBounce {
  0%, 80%, 100% { transform: scale(0.7); opacity: 0.5; }
  40% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 8px var(--accent); }
}

/* ── Composer ── */
.composer-wrap {
  padding: 0 24px 20px;
  background: linear-gradient(to top, rgba(10,10,15,0.95) 0%, rgba(10,10,15,0) 100%);
}

.composer {
  position: relative;
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 12px 12px 12px 18px;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(255,255,255,0.1);
  background: var(--panel);
  backdrop-filter: blur(20px);
  box-shadow: 0 12px 50px rgba(0,0,0,0.35);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.composer:focus-within {
  border-color: rgba(139,92,246,0.45);
  box-shadow: 0 0 0 3px rgba(139,92,246,0.1), 0 12px 50px rgba(0,0,0,0.35);
}

.composer textarea {
  flex: 1;
  min-height: 24px;
  max-height: 160px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-100);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.55;
  resize: none;
  padding: 5px 0;
}

.composer textarea::placeholder { color: var(--text-400); }

.composer-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.stream-hint {
  font-size: 11px;
  color: var(--text-400);
  opacity: 0;
  transform: translateX(6px);
  transition: opacity 0.2s, transform 0.2s;
}

.composer:focus-within .stream-hint,
.stream-hint.active { opacity: 1; transform: translateX(0); }

.send-btn {
  width: 40px; height: 40px;
  border-radius: 12px;
  border: none;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(139,92,246,0.35);
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
}

.send-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(139,92,246,0.45); }
.send-btn:active { transform: translateY(0); }
.send-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.composer-note {
  max-width: 880px;
  margin: 10px auto 0;
  text-align: center;
  font-size: 11px;
  color: var(--text-400);
}

.composer-note code {
  font-family: var(--font-mono);
  background: rgba(255,255,255,0.06);
  padding: 1px 5px;
  border-radius: 4px;
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--bg-800);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text-200);
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  z-index: 100;
  box-shadow: 0 10px 40px rgba(0,0,0,0.35);
  transition: opacity 0.3s, transform 0.3s;
}

.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── Utility ── */
.hidden { display: none !important; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ── */
@media (max-width: 880px) {
  :root { --sidebar-w: 260px; }
  .sidebar {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    z-index: 10;
    transform: translateX(-100%);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-backdrop.open { display: block; opacity: 1; }
  .menu-btn { display: grid; }
  .topbar { padding: 0 16px; }
  .chat-scroll { padding: 16px 12px 8px; }
  .composer-wrap { padding: 0 14px 16px; }
  .welcome h2 { font-size: 22px; }
  .welcome { padding-top: 32px; }
}

@media (max-width: 520px) {
  .message { gap: 10px; }
  .avatar { width: 30px; height: 30px; border-radius: 9px; }
  .avatar svg { width: 15px; height: 15px; }
  .bubble { padding: 12px 14px; font-size: 14px; }
  .suggestions { gap: 8px; }
  .suggestion-chip { font-size: 12px; padding: 8px 12px; }
  .composer { border-radius: var(--radius-lg); padding: 10px 10px 10px 14px; }
}