/* ============================================================
   Infogr.ai v2.1 — App Shell Styles
   Light theme (Canva/Figma style) + ribbon toolbar
   ============================================================ */

/* ── Design tokens ─────────────────────────────────────── */
:root {
  --bg:         #F0F2F5;
  --surface:    #FFFFFF;
  --surface2:   #F6F8FA;
  --surface3:   #EAECF0;
  --border:     #D8DEE4;
  --border2:    #C1C9D4;
  --ui-accent:  #E05A2B;
  --ui-accent-h:#F06533;
  --adim:       rgba(224, 90, 43, 0.10);
  --text:       #1A1A2E;
  --t2:         #4A5568;
  --t3:         #8896A5;
  --ok:         #22C55E;
  --shadow-sm:  0 1px 4px rgba(0,0,0,0.08);
  --shadow-md:  0 2px 12px rgba(0,0,0,0.10);
}

/* ── Reset ─────────────────────────────────────────────── */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── App header ────────────────────────────────────────── */
.app-header {
  padding: 0 24px;
  height: 52px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
}

.logo {
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.3px;
  color: var(--text);
}
.logo span { color: var(--ui-accent); }

.header-right { display: flex; align-items: center; gap: 10px; }
.badge {
  font-size: 10px;
  color: var(--t3);
  background: var(--surface2);
  padding: 3px 9px;
  border-radius: 20px;
  border: 1px solid var(--border);
  font-weight: 600;
}

/* ── App layout ────────────────────────────────────────── */
.app {
  display: grid;
  grid-template-columns: 320px 1fr;
  height: calc(100vh - 52px);
}

/* ── Slide Deck mode: 3-column layout (slim panel + slim thumbs + canvas).
       The gallery panel becomes a fixed sliding overlay (not a grid column). ── */
body[data-mode="deck"] .app {
  grid-template-columns: 80px 60px 1fr;
}

/* ════════════════════════════════════════════════════════════
   SLIM LEFT PANEL (deck mode) — 80px sidebar with compact controls
   The panel is "set up once, then ignored" so all controls are tiny.
   ════════════════════════════════════════════════════════════ */

/* Tighten section padding */
body[data-mode="deck"] .panel { overflow: hidden; }
body[data-mode="deck"] .sec   { padding: 8px 6px; }
body[data-mode="deck"] .lbl   {
  font-size: 8px;
  margin-bottom: 4px;
  letter-spacing: 0.04em;
  line-height: 1.2;
}

/* Topic textarea: keep full panel width, slightly smaller font */
body[data-mode="deck"] .prompt-in {
  font-size: 11px;
  padding: 6px;
  line-height: 1.4;
  min-height: 80px;
}

/* Tone chips: 2x2 grid, very compact */
body[data-mode="deck"] .chip-row { flex-wrap: wrap; gap: 3px; }
body[data-mode="deck"] .chip {
  flex: 1 1 calc(50% - 3px);
  min-width: 0;
  padding: 4px 0;
  font-size: 9px;
  letter-spacing: 0;
  text-align: center;
}

/* Generate button stays prominent — full panel width, slightly smaller text */
body[data-mode="deck"] .gen-btn {
  font-size: 11px;
  padding: 8px 6px;
}
body[data-mode="deck"] .panel-bot { padding: 8px 6px; }

/* ── Left panel ────────────────────────────────────────── */
.panel {
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.panel::-webkit-scrollbar { width: 3px; }
.panel::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

.sec {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}

.lbl {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--t3);
  margin-bottom: 10px;
}

/* Prompt textarea */
.prompt-in {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 9px 10px;
  color: var(--text);
  font-size: 12px;
  resize: none;
  height: 90px;
  transition: border-color 0.15s;
  line-height: 1.5;
}
.prompt-in:focus { outline: none; border-color: var(--ui-accent); box-shadow: 0 0 0 3px var(--adim); }
.prompt-in::placeholder { color: var(--t3); }

/* Tone chips */
.chip-row { display: flex; gap: 5px; flex-wrap: wrap; }
.chip {
  font-size: 11px;
  padding: 5px 10px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--t2);
  cursor: pointer;
  transition: all 0.12s;
}
.chip:hover { border-color: var(--ui-accent); color: var(--text); }
.chip.on { background: var(--ui-accent); border-color: var(--ui-accent); color: #fff; font-weight: 600; }

/* Generate button */
.panel-bot { padding: 14px 16px; margin-top: auto; }
.gen-btn {
  width: 100%;
  padding: 12px;
  background: var(--ui-accent);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all 0.15s;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 2px 8px rgba(224,90,43,0.3);
}
.gen-btn:hover:not(:disabled) { background: var(--ui-accent-h); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(224,90,43,0.35); }
.gen-btn:disabled { background: var(--surface3); color: var(--t3); cursor: not-allowed; box-shadow: none; }

.spin {
  width: 13px; height: 13px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: none;
}
.gen-btn.loading .spin { display: block; }
.gen-btn.loading .lbl-btn { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Canvas area ───────────────────────────────────────── */
.canvas-area {
  background: #E6E9EF;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ── Ribbon toolbar ────────────────────────────────────── */
.ribbon {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 14px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 20;
  gap: 6px;
  flex-shrink: 0;
  overflow-x: auto;
}
.ribbon::-webkit-scrollbar { height: 2px; }
.ribbon::-webkit-scrollbar-thumb { background: var(--border2); }

.ribbon-tools {
  display: flex;
  align-items: center;
  gap: 3px;
  flex: 1;
}
.ribbon-right {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.ribbon-sep {
  width: 1px;
  height: 18px;
  background: var(--border);
  margin: 0 3px;
  flex-shrink: 0;
}

/* Ribbon select dropdowns */
.ribbon-select {
  height: 26px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--surface);
  color: var(--text);
  font-size: 11px;
  padding: 0 5px;
  cursor: pointer;
  transition: border-color 0.12s;
}
.ribbon-select:focus { outline: none; border-color: var(--ui-accent); }

.ribbon-size { width: 52px; }

/* Ribbon buttons */
.rbtn {
  min-width: 26px;
  height: 26px;
  padding: 0 5px;
  border-radius: 5px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--t2);
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.1s;
  flex-shrink: 0;
}
.rbtn:hover { background: var(--surface3); border-color: var(--border); color: var(--text); }
.rbtn.active { background: var(--adim); border-color: var(--ui-accent); color: var(--ui-accent); }
.rbtn svg { pointer-events: none; }

/* Text color button */

/* Accent picker */
.accent-picker {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 10px;
  color: var(--t3);
  cursor: pointer;
  font-weight: 600;
}
.accent-picker input[type="color"] {
  width: 20px; height: 20px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

/* Zoom group */
.zoom-group {
  display: flex;
  align-items: center;
  gap: 4px;
}
.zoom-label {
  font-size: 10px;
  color: var(--t2);
  min-width: 36px;
  text-align: center;
  font-weight: 600;
}

/* Export buttons — three direct buttons, no dropdown */

/* ── Canvas body (scrollable on both axes; x always shows scrollbar) ─ */
.cbody {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 32px;
  overflow-x: scroll; /* always visible — matches vertical scrollbar */
  overflow-y: auto;
}

#outputWrap {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  width: 100%;
  transform-origin: top center;
  transition: transform 0.15s ease;
}

#outputFrame {
  flex-shrink: 0;
  display: block;
  border: none;
  box-shadow: 0 8px 48px rgba(0,0,0,0.18), 0 0 0 1px rgba(0,0,0,0.06);
  border-radius: 4px;
}

/* ── Empty / error state ─────────────────────────────── */
.empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 80px 40px;
  text-align: center;
  width: 100%;
}
.empty-ico {
  width: 60px; height: 60px;
  border: 1.5px solid var(--border);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--t3);
  background: var(--surface);
}
.empty-ttl {
  font-size: 15px;
  font-weight: 700;
  color: var(--t2);
}
.empty-sub {
  font-size: 12px;
  color: var(--t3);
  max-width: 340px;
  line-height: 1.7;
}

/* ── Loading / streaming state ──────────────────────── */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 80px 40px;
  width: 100%;
  text-align: center;
}
.loading-ring {
  width: 38px; height: 38px;
  border: 2.5px solid var(--border);
  border-top-color: var(--ui-accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}
.loading-txt {
  font-size: 13px;
  color: var(--t2);
  font-weight: 700;
}
.loading-sub {
  font-size: 11px;
  color: var(--t3);
  line-height: 1.6;
}
.stream-count {
  font-size: 11px;
  color: var(--ui-accent);
  font-weight: 600;
  min-height: 16px;
}

/* ── A/a relative font size buttons ─────────────────── */

/* ── Edit Canvas (replaces iframe for editing) ─────────── */

/* Prevent infographic styles from leaking into the toolbar */