/* =============================================================
   CLIPSEDIT AI OS — CHAT INTERFACE STYLES v2
   ============================================================= */

.chat-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: 8px 32px 24px;
  max-width: 880px;
  width: 100%;
  margin: 0 auto;
}

/* ---------- Welcome block ---------- */

.welcome-block {
  padding: 48px 8px 28px;
  animation: welcome-in 0.6s var(--ease);
}
@keyframes welcome-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.welcome-block .wave {
  font-size: 30px;
  margin: 0 0 6px;
  animation: wave-rotate 2.2s ease-in-out infinite;
  transform-origin: 70% 70%;
}
@keyframes wave-rotate {
  0%, 60%, 100% { transform: rotate(0deg); }
  10% { transform: rotate(14deg); }
  20% { transform: rotate(-8deg); }
  30% { transform: rotate(14deg); }
  40% { transform: rotate(-4deg); }
}

.welcome-block h1 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 38px;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}
.welcome-block h1 .accent {
  color: var(--gold-bright);
  background: linear-gradient(100deg, var(--gold-bright), var(--gold) 60%, var(--gold-bright));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.welcome-copy { color: var(--text-dim); font-size: 15px; max-width: 56ch; line-height: 1.6; margin: 0 0 28px; }

.quick-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.quick-card {
  text-align: left;
  padding: 18px 16px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.025);
  backdrop-filter: blur(12px);
  cursor: pointer;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease);
}
.quick-card:hover {
  transform: translateY(-4px);
  border-color: var(--gold-dim);
  background: rgba(var(--gold-rgb),0.06);
  box-shadow: 0 18px 44px rgba(0,0,0,0.4), 0 0 24px var(--gold-glow-soft);
}
.quick-icon { font-size: 20px; display: block; margin-bottom: 10px; }
.quick-card strong { display: block; font-size: 14px; margin-bottom: 4px; }
.quick-card p { margin: 0; font-size: 12.5px; color: var(--text-dim); line-height: 1.45; }

/* ---------- Messages ---------- */

.messages { display: flex; flex-direction: column; gap: 18px; padding: 12px 0; }

.message { display: flex; gap: 12px; align-items: flex-start; animation: msg-in 0.35s var(--ease); max-width: 100%; flex-wrap: wrap; }
@keyframes msg-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.message .avatar {
  width: 28px; height: 28px;
  border-radius: 8px;
  display: grid; place-items: center;
  background: linear-gradient(155deg, var(--gold-bright), var(--gold) 55%, #8a6a34);
  color: #100c04;
  font-size: 12.5px;
  font-weight: 800;
  flex-shrink: 0;
  margin-top: 2px;
  box-shadow: 0 0 14px var(--gold-glow-soft);
}

.message .bubble {
  padding: 2px 0;
  border-radius: var(--radius-md);
  font-size: 15.5px;
  line-height: 1.75;
  font-weight: 400;
  max-width: 680px;
  white-space: pre-wrap;
  word-wrap: break-word;
  letter-spacing: -0.001em;
}
.message .bubble p { margin: 0 0 10px; }
.message .bubble p:last-child { margin-bottom: 0; }
.message .bubble strong { color: var(--gold-bright); }
.message .bubble h1, .message .bubble h2, .message .bubble h3 { margin: 14px 0 8px; line-height: 1.3; }
.message .bubble h1:first-child, .message .bubble h2:first-child, .message .bubble h3:first-child { margin-top: 0; }
.message .bubble ul, .message .bubble ol { margin: 6px 0; padding-left: 20px; }
.message .bubble li { margin-bottom: 4px; }
.message .bubble blockquote {
  margin: 8px 0; padding: 4px 14px; border-left: 3px solid var(--gold-dim); color: var(--text-dim); font-style: italic;
}
.message .bubble a { color: var(--gold-bright); text-decoration: underline; text-underline-offset: 2px; }
.message .bubble code {
  background: rgba(0,0,0,0.25); padding: 2px 6px; border-radius: 5px; font-size: 0.9em; font-family: "SF Mono", Consolas, monospace;
}
.message-user .bubble code { background: rgba(0,0,0,0.12); }

.code-block { position: relative; margin: 10px 0; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--line-strong); background: rgba(0,0,0,0.35); }
.code-block .code-lang { position: absolute; top: 6px; left: 12px; font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-faint); }
.code-block pre { margin: 0; padding: 28px 14px 14px; overflow-x: auto; font-family: "SF Mono", Consolas, monospace; font-size: 13px; line-height: 1.6; white-space: pre; }
.code-block code { background: none; padding: 0; }

.md-table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 13.5px; border-radius: var(--radius-sm); overflow: hidden; }
.md-table th, .md-table td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--line); }
.md-table thead th { background: rgba(255,255,255,0.04); color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; font-weight: 700; }
.md-table tbody tr:last-child td { border-bottom: none; }
.md-table tbody tr:hover { background: rgba(255,255,255,0.02); }
.code-copy-btn {
  position: absolute; top: 6px; right: 8px;
  background: rgba(255,255,255,0.06); border: 1px solid var(--line);
  color: var(--text-dim); font-size: 11px; padding: 4px 9px; border-radius: 6px; cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.code-copy-btn:hover { background: rgba(var(--gold-rgb),0.15); color: var(--gold-bright); }

.message-ai .bubble {
  background: none;
  border: none;
  color: var(--text);
}

.message-user { flex-direction: row-reverse; margin-left: auto; }
.message-user .avatar { visibility: hidden; width: 0; margin: 0; }
.message-user .bubble {
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 11px 16px;
  border-radius: 20px;
  font-weight: 400;
}

.message .timestamp {
  display: block;
  font-size: 10.5px;
  margin-top: 6px;
  opacity: 0.5;
}
.message-user .timestamp { text-align: right; padding-right: 4px; }

.message .bubble.error-bubble {
  background: rgba(210, 90, 80, 0.1);
  border: 1px solid rgba(210, 90, 80, 0.3);
  color: #f3c9c4;
  padding: 11px 16px;
  border-radius: var(--radius-md);
}

/* ---------- Friendly rate-limit notice (glass card) ---------- */

.message .bubble.rate-limit-bubble { padding: 0; background: none; }
.rate-limit-notice {
  padding: 16px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.rate-limit-notice p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--text);
}
.rate-limit-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.rl-action {
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  transition: filter 0.2s var(--ease), transform 0.2s var(--ease);
}
.rl-action:hover { filter: brightness(1.15); transform: translateY(-1px); }
.rl-action:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.rl-action.rl-primary {
  border: none;
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  color: #050505;
}

.attachment-chip {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(0,0,0,0.15);
  margin-bottom: 8px;
}

/* streaming caret */
.stream-caret {
  display: inline-block; width: 2px; height: 1em; background: currentColor;
  vertical-align: text-bottom; margin-left: 2px; animation: caret-blink 0.9s step-end infinite;
}
@keyframes caret-blink { 50% { opacity: 0; } }

/* per-message action bar (copy / regenerate / speak) */
.bubble-wrap { display: flex; flex-direction: column; gap: 4px; max-width: 640px; }
.message-actions {
  display: flex;
  gap: 6px;
  margin-top: 4px;
  margin-left: 0;
  opacity: 0;
  transition: opacity 0.2s var(--ease);
}
.message:hover .message-actions, .message-actions.is-visible { opacity: 1; }
.message-actions button {
  display: flex; align-items: center; gap: 4px;
  background: none; border: 1px solid var(--line); color: var(--text-faint);
  font-size: 11px; padding: 5px 9px; border-radius: 7px; cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.message-actions button:hover { border-color: var(--gold-dim); color: var(--gold-bright); }
.message-actions svg { width: 12px; height: 12px; fill: none; stroke: currentColor; stroke-width: 1.8; }

/* ---------- Typing indicator ---------- */

.typing-indicator .bubble { display: flex; align-items: center; gap: 5px; padding: 15px 18px; }
.typing-indicator .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold-dim);
  animation: typing-bounce 1.2s infinite ease-in-out;
}
.typing-indicator .dot:nth-child(2) { animation-delay: 0.15s; }
.typing-indicator .dot:nth-child(3) { animation-delay: 0.3s; }
@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
  30% { transform: translateY(-5px); opacity: 1; }
}

/* ---------- Suggested prompts ---------- */

.suggested-prompts { padding: 4px 0 18px; }
.suggested-label { font-size: 12px; color: var(--text-faint); font-weight: 600; display: block; margin-bottom: 10px; }
.suggested-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.suggested-grid button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  text-align: left;
  padding: 13px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
  color: var(--text-dim);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}
.suggested-grid button:hover { border-color: var(--gold-dim); color: var(--text); background: rgba(var(--gold-rgb),0.05); transform: translateY(-2px); }
.suggested-grid button span { color: var(--gold); flex-shrink: 0; transition: transform 0.2s var(--ease); }
.suggested-grid button:hover span { transform: translateX(3px); }

/* ---------- Composer ---------- */

.composer {
  flex-shrink: 0;
  padding: 14px 32px 20px;
  max-width: 880px;
  width: 100%;
  margin: 0 auto;
}

.pending-attachment {
  display: flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  max-width: 100%;
  padding: 6px 10px;
  margin: 0 0 8px;
  border-radius: 999px;
  border: 1px solid var(--gold-dim);
  background: rgba(var(--gold-rgb),0.08);
  color: var(--gold-bright);
  font-size: 12px;
  font-weight: 600;
}
.pending-attachment button {
  border: none;
  background: none;
  color: var(--gold-bright);
  cursor: pointer;
  font-size: 12px;
  line-height: 1;
}

.composer-inner {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  padding: 12px 12px 12px 16px;
  border-radius: 26px;
  border: 1px solid var(--line-strong);
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(20px);
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.composer-inner:focus-within {
  border-color: var(--gold-dim);
  box-shadow: 0 0 0 3px var(--gold-glow-soft), 0 8px 30px rgba(0,0,0,0.4);
}

#chatInput {
  flex: 1;
  resize: none;
  border: none;
  background: none;
  color: var(--text);
  font-size: 15.5px;
  line-height: 1.6;
  max-height: 160px;
  padding: 9px 4px;
  outline: none;
  font-weight: 400;
}
#chatInput::placeholder { color: var(--text-faint); }

.icon-btn {
  width: 38px; height: 38px;
  border-radius: 12px;
  border: none;
  background: rgba(255,255,255,0.03);
  display: grid;
  place-items: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}
.icon-btn:hover { background: rgba(255,255,255,0.07); }
.icon-btn svg { width: 17px; height: 17px; fill: none; stroke: var(--text-dim); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon-btn.is-active { background: var(--gold-glow-soft); }
.icon-btn.is-active svg { stroke: var(--gold-bright); }
.icon-btn.is-recording { background: rgba(210,90,80,0.15); animation: pulse-dot 1.2s infinite; }

.send-btn {
  width: 40px; height: 40px;
  border-radius: 13px;
  border: none;
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  display: grid;
  place-items: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.2s var(--ease), filter 0.2s var(--ease), opacity 0.2s var(--ease);
  box-shadow: 0 4px 20px var(--gold-glow-soft);
}
.send-btn svg { width: 17px; height: 17px; fill: #050505; }
.send-btn:hover:not(:disabled) { transform: scale(1.06); filter: brightness(1.05); }
.send-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.send-btn.is-stop svg { fill: none; stroke: #050505; stroke-width: 2; }

.disclaimer { text-align: center; font-size: 11px; color: var(--text-faint); margin: 10px 0 0; }

/* ---------- Config warning banner (shown if API key missing) ---------- */

.config-warning {
  margin: 0 auto 14px;
  max-width: 880px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(var(--gold-rgb),0.4);
  background: rgba(var(--gold-rgb),0.08);
  color: var(--gold-bright);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
}

@media (max-width: 900px) {
  .quick-actions { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .composer, .chat-scroll { padding-left: 16px; padding-right: 16px; }
  .message-actions { margin-left: 0; }
}