/* CanonLex — Style */
:root {
  --bg: #f8f9fa; --bg2: #ffffff; --text: #1a1a2e; --muted: #6b7280;
  --border: #e5e7eb; --primary: #2563eb; --primary-hover: #1d4ed8;
  --accent: #7c3aed; --success: #059669; --danger: #dc2626;
  --card: #ffffff; --card-shadow: rgba(0,0,0,.08);
  --code-bg: #f1f5f9; --user-msg: #eff6ff; --ai-msg: #f8fafc;
}
[data-theme="dark"] {
  --bg: #0f172a; --bg2: #1e293b; --text: #e2e8f0; --muted: #94a3b8;
  --border: #334155; --primary: #3b82f6; --primary-hover: #60a5fa;
  --accent: #a78bfa; --success: #34d399; --danger: #f87171;
  --card: #1e293b; --card-shadow: rgba(0,0,0,.3);
  --code-bg: #0f172a; --user-msg: #1e3a5f; --ai-msg: #1e293b;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', -apple-system, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }

/* Layout */
.app { display: flex; flex-direction: column; height: 100vh; max-width: 960px; margin: 0 auto; }
header { padding: 12px 16px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; background: var(--bg2); flex-shrink: 0; }
header .logo { font-size: 1.3rem; font-weight: 700; color: var(--primary); text-decoration: none; display: flex; align-items: center; gap: 8px; }
header .logo span { font-size: .75rem; color: var(--muted); font-weight: 400; }
.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn { background: none; border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; cursor: pointer; color: var(--text); font-size: .85rem; transition: all .2s; }
.icon-btn:hover { border-color: var(--primary); color: var(--primary); }
.icon-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.notice-bar { background: rgba(245,158,11,.1); border-bottom: 1px solid rgba(245,158,11,.3); padding: 5px 16px; font-size: .75rem; color: #b45309; text-align: center; flex-shrink: 0; }
[data-theme="dark"] .notice-bar { background: rgba(245,158,11,.08); color: #fbbf24; }

/* Setup Panel */
.setup-panel { background: var(--bg2); border-bottom: 1px solid var(--border); padding: 12px 16px; flex-shrink: 0; }
.setup-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.setup-row:last-child { margin-bottom: 0; }
.setup-label { font-size: .8rem; font-weight: 600; color: var(--muted); min-width: 60px; }
.provider-btn { padding: 5px 12px; border: 2px solid var(--border); border-radius: 8px; background: var(--card); color: var(--text); font-size: .82rem; font-weight: 600; cursor: pointer; transition: all .2s; }
.provider-btn:hover { border-color: var(--primary); }
.provider-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.provider-btn.claude.active { background: #d97706; border-color: #d97706; }
.provider-btn.openai.active { background: #059669; border-color: #059669; }
.provider-btn.gemini.active { background: #2563eb; border-color: #2563eb; }
.provider-btn.groq.active { background: #f97316; border-color: #f97316; }
.api-key-input { flex: 1; min-width: 180px; padding: 6px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: .85rem; background: var(--bg); color: var(--text); }
.api-key-input:focus { outline: none; border-color: var(--primary); }
.key-status { font-size: .75rem; padding: 3px 8px; border-radius: 6px; }
.key-status.saved { background: rgba(5,150,105,.1); color: var(--success); }
.key-status.empty { background: rgba(220,38,38,.1); color: var(--danger); }
select { padding: 5px 8px; border: 1px solid var(--border); border-radius: 8px; font-size: .82rem; background: var(--bg); color: var(--text); cursor: pointer; }
select[multiple] { padding: 4px; border-radius: 8px; font-size: .78rem; height: auto; min-height: 28px; max-height: 120px; }
select[multiple] option { padding: 2px 6px; border-radius: 4px; }
select[multiple] option:checked { background: var(--primary); color: #fff; }

/* Chat area */
.chat-area { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.msg { max-width: 85%; padding: 12px 16px; border-radius: 14px; font-size: .92rem; line-height: 1.7; word-break: break-word; }
.msg.user { align-self: flex-end; background: var(--user-msg); border: 1px solid var(--border); border-bottom-right-radius: 4px; }
.msg.ai { align-self: flex-start; background: var(--ai-msg); border: 1px solid var(--border); border-bottom-left-radius: 4px; max-width: 92%; }
.msg.ai .provider-tag { font-size: .7rem; color: var(--muted); margin-bottom: 6px; display: flex; align-items: center; gap: 4px; }
.msg.ai .msg-actions { margin-top: 8px; display: flex; gap: 6px; }
.msg.ai .msg-actions button { font-size: .72rem; padding: 2px 8px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--muted); cursor: pointer; }
.msg.ai .msg-actions button:hover { color: var(--primary); border-color: var(--primary); }
.msg.system { align-self: center; background: rgba(124,58,237,.08); border: 1px solid rgba(124,58,237,.2); color: var(--accent); font-size: .82rem; text-align: center; max-width: 90%; }
.msg .mode-tag { display: inline-block; font-size: .68rem; padding: 1px 6px; border-radius: 4px; background: var(--primary); color: #fff; margin-right: 6px; vertical-align: middle; }

/* Markdown in messages */
.msg.ai h1,.msg.ai h2,.msg.ai h3 { margin: 10px 0 6px; color: var(--primary); }
.msg.ai h1 { font-size: 1.1rem; } .msg.ai h2 { font-size: 1rem; } .msg.ai h3 { font-size: .95rem; }
.msg.ai p { margin: 4px 0; }
.msg.ai ul,.msg.ai ol { margin: 4px 0 4px 20px; }
.msg.ai li { margin: 2px 0; }
.msg.ai code { background: var(--code-bg); padding: 1px 5px; border-radius: 4px; font-size: .85em; }
.msg.ai pre { background: var(--code-bg); padding: 10px; border-radius: 8px; overflow-x: auto; margin: 6px 0; }
.msg.ai pre code { background: none; padding: 0; }
.msg.ai blockquote { border-left: 3px solid var(--primary); padding-left: 12px; margin: 6px 0; color: var(--muted); }
.msg.ai strong { color: var(--primary); }
.msg.ai table { border-collapse: collapse; margin: 8px 0; width: 100%; font-size: .85rem; }
.msg.ai th,.msg.ai td { border: 1px solid var(--border); padding: 4px 8px; text-align: left; }
.msg.ai th { background: var(--code-bg); font-weight: 600; }

.input-footer { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 8px; padding-top: 6px; border-top: 1px solid var(--border); font-size: .7rem; flex-wrap: wrap; }
.input-footer a { color: var(--muted); text-decoration: none; }
.input-footer a:hover { color: var(--primary); }
.input-footer span { color: var(--muted); }

/* Loading */
.loading { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: .85rem; }
.loading .dots span { animation: blink 1.4s infinite; }
.loading .dots span:nth-child(2) { animation-delay: .2s; }
.loading .dots span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%,80%,100%{opacity:.2} 40%{opacity:1} }

/* Welcome */
.welcome { text-align: center; padding: 40px 20px; color: var(--muted); flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.welcome h2 { font-size: 1.4rem; color: var(--text); margin-bottom: 8px; }
.welcome p { font-size: .9rem; max-width: 500px; margin-bottom: 16px; }
.quick-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.quick-btn { padding: 8px 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--card); color: var(--text); font-size: .82rem; cursor: pointer; transition: all .2s; }
.quick-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--user-msg); }

/* Input area */
.input-area { padding: 12px 16px; border-top: 1px solid var(--border); background: var(--bg2); flex-shrink: 0; }
.input-row { display: flex; gap: 8px; align-items: flex-end; }
.mode-selector { display: flex; gap: 4px; margin-bottom: 8px; flex-wrap: wrap; }
.mode-btn { padding: 4px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--bg); color: var(--muted); font-size: .78rem; cursor: pointer; transition: all .15s; }
.mode-btn:hover { border-color: var(--primary); }
.mode-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.input-text { flex: 1; padding: 10px 14px; border: 1px solid var(--border); border-radius: 12px; font-size: .92rem; resize: none; background: var(--bg); color: var(--text); min-height: 44px; max-height: 120px; font-family: inherit; line-height: 1.5; }
.input-text:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(37,99,235,.15); }
.send-btn { padding: 10px 18px; border: none; border-radius: 12px; background: var(--primary); color: #fff; font-size: .92rem; font-weight: 600; cursor: pointer; transition: all .2s; flex-shrink: 0; }
.send-btn:hover { background: var(--primary-hover); }
.send-btn:disabled { opacity: .5; cursor: not-allowed; }
.input-info { display: flex; justify-content: space-between; margin-top: 6px; font-size: .72rem; color: var(--muted); }

/* Modal */
.modal-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,.5); display: none; align-items: center; justify-content: center; z-index: 1000; }
.modal-overlay.show { display: flex; }
.modal { background: var(--bg2); border-radius: 16px; padding: 24px; max-width: 500px; width: 90%; max-height: 80vh; overflow-y: auto; }
.modal h3 { margin-bottom: 12px; color: var(--primary); }
.modal p { font-size: .88rem; color: var(--muted); margin-bottom: 12px; line-height: 1.5; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }
.modal-btn { padding: 8px 16px; border-radius: 8px; font-size: .88rem; font-weight: 600; cursor: pointer; border: 1px solid var(--border); background: var(--bg); color: var(--text); }
.modal-btn.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.modal-btn:hover { opacity: .9; }

/* History list */
.history-list { max-height: 300px; overflow-y: auto; }
.history-item { padding: 10px; border: 1px solid var(--border); border-radius: 8px; margin-bottom: 6px; cursor: pointer; transition: all .15s; font-size: .85rem; }
.history-item:hover { border-color: var(--primary); background: var(--user-msg); }
.history-item .h-date { font-size: .72rem; color: var(--muted); }
.history-item .h-title { font-weight: 600; margin-top: 2px; }
.history-item .h-preview { color: var(--muted); font-size: .8rem; margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Toast */
.toast { position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 8px 20px; border-radius: 10px; font-size: .85rem; opacity: 0; transition: opacity .3s; z-index: 999; pointer-events: none; }
.toast.show { opacity: 1; }

/* Setup panel collapse toggle */
.setup-toggle { display: none; }

/* Responsive */
@media(max-width:600px) {
  .msg { max-width: 95%; }
  .msg.ai { max-width: 98%; }

  /* Header: hide subtitle, keep only essential buttons */
  header { padding: 6px 10px; flex-wrap: nowrap; overflow: hidden; }
  header .logo { font-size: .95rem; gap: 4px; flex-shrink: 0; white-space: nowrap; }
  header .logo span { display: none; }
  .header-actions { gap: 2px; flex-shrink: 0; }
  .icon-btn { padding: 3px 5px; font-size: .75rem; border: none; }
  /* Hide less-used buttons on mobile */
  #btnExport, #btnImport, #btnDisclaimer, #btnShare { display: none; }

  /* Notice bar: single line */
  .notice-bar { padding: 3px 8px; font-size: .62rem; }

  /* Setup panel: collapsed by default on mobile */
  .setup-toggle { display: block; width: 100%; padding: 6px; border: none; border-bottom: 1px solid var(--border); background: var(--bg2); color: var(--muted); font-size: .75rem; cursor: pointer; text-align: center; flex-shrink: 0; }
  .setup-panel { display: none; padding: 8px 10px; }
  .setup-panel.show { display: block; }
  .setup-row { gap: 4px; margin-bottom: 6px; }
  .setup-label { min-width: 36px; font-size: .7rem; }
  .api-key-input { min-width: 80px; font-size: .78rem; }
  .provider-btn { padding: 3px 7px; font-size: .72rem; }
  select { font-size: .75rem; padding: 3px 6px; }
  /* Hide bible select row on mobile (advanced) */
  .setup-row:nth-child(4) { display: none; }
  .setup-panel.show .setup-row:nth-child(4) { display: flex; }

  /* Welcome/hero: compact */
  .welcome { padding: 16px 10px; }
  .welcome h2 { font-size: 1rem; margin-bottom: 4px; }
  .welcome p { font-size: .78rem; margin-bottom: 8px; }
  .quick-actions { gap: 5px; }
  .quick-btn { padding: 5px 8px; font-size: .72rem; }

  /* Mode selector */
  .mode-btn { padding: 3px 7px; font-size: .7rem; }

  /* Input */
  .input-area { padding: 6px 10px; }
  .input-text { font-size: .85rem; padding: 8px 10px; }
  .send-btn { padding: 8px 14px; font-size: .85rem; }
  .input-info { font-size: .62rem; }
  .input-footer { font-size: .6rem; gap: 6px; }
}