/* ════════════════════════════════════════════════════════════
   DBFC PITCH DECK EDITOR · UI
   Three-pane layout · matches deck aesthetic
   ════════════════════════════════════════════════════════════ */

:root {
  --ink: #0A1612;
  --ink-soft: #14342C;
  --ink-line: #1F2F2A;
  --paper: #F7F1E6;
  --paper-card: #FFFFFF;
  --moss: #1F5947;
  --moss-soft: #2E7D5F;
  --gold: #C9A961;
  --gold-soft: #D9BC78;
  --terra: #D97842;
  --text: #0A1612;
  --text-soft: #3A4742;
  --text-mute: #6B7570;
  --text-faint: #A3ADA8;
  --border: rgba(10,22,18,0.08);
  --border-strong: rgba(10,22,18,0.18);

  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'Geist Mono', ui-monospace, monospace;

  --bar-h: 60px;
}

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

html, body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 14px;
  height: 100%;
  overflow: hidden;
}

button { font-family: inherit; cursor: pointer; }
input  { font-family: inherit; }

/* ═══════════════════ TOP BAR ═══════════════════ */
.topbar {
  height: var(--bar-h);
  background: var(--ink);
  color: var(--paper);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
  border-bottom: 1px solid var(--gold);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.brand-name {
  font-family: var(--serif);
  font-size: 17px;
  font-style: italic;
  font-weight: 400;
  color: var(--paper);
  line-height: 1;
}
.brand-sub {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #8A9692;
  margin-top: 4px;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 14px;
}

.status {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #8A9692;
  padding: 4px 10px;
  border: 1px solid rgba(245,239,228,0.15);
  border-radius: 100px;
}
.status.editing { color: var(--gold); border-color: rgba(201,169,97,0.3); }
.status.saving  { color: var(--terra); border-color: rgba(217,120,66,0.3); }
.status.saved   { color: #6FA88E; border-color: rgba(111,168,142,0.3); }
.status.publishing { color: var(--gold); border-color: rgba(201,169,97,0.3); }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all .15s ease;
  text-decoration: none;
}
.btn-primary {
  background: var(--gold);
  color: var(--ink);
}
.btn-primary:hover { background: var(--gold-soft); }
.btn-ghost {
  background: transparent;
  border-color: rgba(245,239,228,0.18);
  color: var(--paper);
}
.btn-ghost:hover { border-color: rgba(201,169,97,0.5); }
.btn-block { display: flex; width: 100%; justify-content: center; margin-top: 8px; }

/* ═══════════════════ LAYOUT ═══════════════════ */
.layout {
  display: grid;
  grid-template-columns: 260px 1fr 320px;
  height: calc(100vh - var(--bar-h));
  transition: grid-template-columns .25s cubic-bezier(0.2,0.7,0.2,1);
}
.layout.left-collapsed  { grid-template-columns: 32px 1fr 320px; }
.layout.right-collapsed { grid-template-columns: 260px 1fr 32px; }
.layout.left-collapsed.right-collapsed { grid-template-columns: 32px 1fr 32px; }

.rail {
  background: var(--paper-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}
.rail-right {
  border-right: none;
  border-left: 1px solid var(--border);
}

/* ── Collapse toggle ── */
.rail-collapse {
  position: absolute;
  top: 14px;
  right: 6px;
  width: 22px; height: 22px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 100px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-mute);
  z-index: 5;
  transition: all .15s ease;
}
.rail-collapse:hover {
  background: var(--gold);
  color: var(--ink);
  border-color: var(--gold);
}
.rail-collapse-right {
  right: auto;
  left: 6px;
}
.rail-collapse svg { transition: transform .25s ease; }

/* Collapsed state */
.layout.left-collapsed  .rail-left,
.layout.right-collapsed .rail-right {
  overflow: hidden;
}
.layout.left-collapsed  .rail-left  > *:not(.rail-collapse),
.layout.right-collapsed .rail-right > *:not(.rail-collapse) {
  display: none;
}
.layout.left-collapsed  .rail-collapse svg,
.layout.right-collapsed .rail-collapse-right svg {
  transform: rotate(180deg);
}
.layout.left-collapsed  .rail-collapse,
.layout.right-collapsed .rail-collapse-right {
  top: 50%;
  transform: translateY(-50%);
  background: var(--paper);
}

.rail-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 18px 18px 12px;
  border-bottom: 1px solid var(--border);
}
.rail-title {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--moss);
}
.rail-meta {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-faint);
}

/* ─── LEFT: slide list ─── */
.rail-search {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
}
.rail-search input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  font-size: 13px;
  background: var(--paper);
  color: var(--text);
}
.rail-search input:focus { outline: none; border-color: var(--gold); }

.slide-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px 4px 18px;
}
.slide-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  margin: 2px 6px;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .12s ease;
}
.slide-item:hover { background: rgba(31,89,71,0.05); }
.slide-item.active {
  background: rgba(201,169,97,0.12);
  border-color: rgba(201,169,97,0.4);
}
.slide-item-thumb {
  width: 56px;
  aspect-ratio: 16/9;
  background: var(--ink);
  background-size: cover;
  background-position: center;
  border-radius: 2px;
  flex-shrink: 0;
  border: 1px solid var(--border);
}
.slide-item-body { min-width: 0; flex: 1; }
.slide-item-no {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  margin-bottom: 2px;
}
.slide-item-title {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}
.slide-item.active .slide-item-no { color: var(--gold); }

/* ─── CENTER: stage ─── */
.stage {
  display: flex;
  flex-direction: column;
  background: #0a0a0a;
  overflow: hidden;
}
.stage-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: var(--ink);
  border-bottom: 1px solid var(--ink-line);
  color: var(--paper);
}
.stage-title {
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  font-weight: 400;
  color: var(--paper);
}
.stage-meta { display: flex; gap: 8px; }
.kbd {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8A9692;
  padding: 4px 10px;
  border: 1px solid rgba(245,239,228,0.12);
  border-radius: 100px;
}

.canvas {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow: auto;
}
.canvas iframe {
  width: 1440px;
  height: 810px;
  border: 1px solid var(--gold);
  border-radius: 4px;
  background: #fff;
  box-shadow: 0 30px 80px rgba(0,0,0,0.4);
  transform-origin: center center;
}

.canvas-empty {
  display: flex; align-items: center; justify-content: center;
  height: 100%;
  width: 100%;
  color: #8A9692;
}
.canvas-empty-text {
  font-family: var(--serif);
  font-style: italic;
  font-size: 20px;
}

/* ─── RIGHT: inspector ─── */
.panel {
  border-bottom: 1px solid var(--border);
  padding: 16px 18px;
}
.panel-title {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--moss);
  font-weight: 600;
  margin-bottom: 14px;
}
.panel-help {
  font-size: 11.5px;
  color: var(--text-mute);
  line-height: 1.5;
  margin-bottom: 12px;
}
.panel-help code {
  font-family: var(--mono);
  background: rgba(31,89,71,0.06);
  padding: 1px 6px;
  border-radius: 2px;
  font-size: 11px;
  color: var(--moss);
}
.panel-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.panel-label {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-mute);
  width: 64px;
  flex-shrink: 0;
}
.control-group {
  display: flex;
  gap: 4px;
  flex: 1;
}
.ctrl-btn {
  padding: 6px 10px;
  border: 1px solid var(--border-strong);
  background: var(--paper);
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text);
  cursor: pointer;
  transition: all .12s ease;
}
.ctrl-btn:hover {
  background: rgba(201,169,97,0.08);
  border-color: var(--gold);
}

.swatch {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--paper-card);
  box-shadow: 0 0 0 1px var(--border-strong);
  padding: 0;
  transition: transform .12s ease;
}
.swatch:hover { transform: scale(1.1); }

/* ── Element info chips ── */
.elem-info {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}
.elem-tag {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  background: var(--ink);
  padding: 3px 8px;
  border-radius: 100px;
}
.elem-classes {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-mute);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Edit textarea */
#edit-text {
  width: 100%;
  min-height: 80px;
  padding: 8px 10px;
  font-family: var(--sans);
  font-size: 13px;
  line-height: 1.5;
  color: var(--text);
  background: var(--paper);
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  resize: vertical;
}
#edit-text:focus { outline: none; border-color: var(--gold); }
#edit-text-note { font-size: 10.5px; color: var(--text-faint); }

#fs-input {
  padding: 6px 8px;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 11px;
  background: var(--paper);
  text-align: center;
}
#fs-input:focus { outline: none; border-color: var(--gold); }

.edit-actions {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

/* Inline kbd-mini */
kbd-mini {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  background: var(--paper);
  border: 1px solid var(--border-strong);
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--text);
}

/* Upload zone */
.upload-zone {
  display: block;
  border: 1.5px dashed var(--border-strong);
  border-radius: 6px;
  padding: 24px 12px;
  text-align: center;
  cursor: pointer;
  background: var(--paper);
  transition: all .15s ease;
}
.upload-zone:hover {
  border-color: var(--gold);
  background: rgba(201,169,97,0.04);
}
.upload-icon {
  font-family: var(--serif);
  font-size: 28px;
  color: var(--moss);
  font-style: italic;
  line-height: 1;
  margin-bottom: 6px;
}
.upload-text {
  font-size: 11px;
  color: var(--text-mute);
}

.panel-row input[type="text"], .panel-row input {
  flex: 1;
  padding: 6px 10px;
  border: 1px solid var(--border-strong);
  border-radius: 3px;
  font-size: 12px;
  background: var(--paper);
}
.panel-row input:focus { outline: none; border-color: var(--gold); }

/* Log */
.log {
  list-style: none;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--text-mute);
  max-height: 220px;
  overflow-y: auto;
}
.log li {
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  gap: 8px;
}
.log .log-t { color: var(--text-faint); flex-shrink: 0; }
.log .log-m { flex: 1; }
.log .log-ok .log-m { color: var(--moss); }
.log .log-err .log-m { color: var(--terra); }

/* ═══════════════════ MODAL ═══════════════════ */
.modal {
  position: fixed; inset: 0;
  background: rgba(10,22,18,0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(8px);
}
.modal.active { display: flex; }
.modal-card {
  background: var(--paper-card);
  width: 520px;
  max-width: 92vw;
  padding: 32px 36px;
  border-radius: 6px;
  border-top: 3px solid var(--gold);
  box-shadow: 0 40px 100px rgba(0,0,0,0.4);
}
.modal-title {
  font-family: var(--serif);
  font-style: italic;
  font-size: 28px;
  font-weight: 400;
  color: var(--text);
  margin-bottom: 12px;
}
.modal-body {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.55;
  margin-bottom: 18px;
}
.modal-progress {
  height: 3px;
  background: var(--border);
  border-radius: 100px;
  overflow: hidden;
  margin-bottom: 22px;
  position: relative;
}
.modal-progress::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  animation: progress 1.6s ease-in-out infinite;
  width: 50%;
}
.modal-progress.done::after { animation: none; background: var(--moss); width: 100%; left: 0; }
@keyframes progress {
  0% { left: -50%; }
  100% { left: 100%; }
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}
.modal-actions .btn-ghost {
  border-color: var(--border-strong);
  color: var(--text);
}
.modal-actions .btn-ghost:hover { background: rgba(31,89,71,0.05); }

/* Scrollbar polish */
.slide-list::-webkit-scrollbar, .log::-webkit-scrollbar { width: 6px; }
.slide-list::-webkit-scrollbar-thumb, .log::-webkit-scrollbar-thumb {
  background: rgba(10,22,18,0.15);
  border-radius: 100px;
}