/* App chrome — Multiligo Social Studio */

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: var(--ml-font-sans);
  background: var(--ml-paper);
  color: var(--ml-ink);
  letter-spacing: var(--ml-tracking-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow: hidden;
}

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

/* ---------- App shell ---------- */
.app {
  display: grid;
  grid-template-columns: 280px 1fr 320px;
  grid-template-rows: 56px 1fr;
  height: 100vh;
  background: var(--ml-paper);
}

.topbar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--ml-line);
  background: var(--ml-card);
  z-index: 10;
}
.topbar-left { display: flex; align-items: center; gap: 14px; }
.topbar-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 600; font-size: 15px; letter-spacing: -0.01em;
}
.topbar-brand img { height: 20px; width: auto; max-width: 120px; object-fit: contain; }
.brand-switcher {
  appearance: none; -webkit-appearance: none;
  border: 1px solid var(--ml-line); border-radius: var(--ml-r-pill);
  background: var(--ml-paper-2); color: var(--ml-ink);
  font: inherit; font-size: 12px; font-weight: 600;
  padding: 4px 22px 4px 10px; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--ml-ink-3) 50%),
                    linear-gradient(135deg, var(--ml-ink-3) 50%, transparent 50%);
  background-position: calc(100% - 12px) 50%, calc(100% - 8px) 50%;
  background-size: 4px 4px, 4px 4px;
  background-repeat: no-repeat;
}
.brand-switcher:hover { background-color: var(--ml-card); border-color: var(--ml-line-2); }
.topbar-brand-sub {
  color: var(--ml-ink-3); font-size: 12px; font-weight: 500;
  border-left: 1px solid var(--ml-line); padding-left: 12px; margin-left: 4px;
}
.topbar-right { display: flex; align-items: center; gap: 8px; }

.lang-toggle {
  display: inline-flex; border: 1px solid var(--ml-line); border-radius: var(--ml-r-pill);
  padding: 2px; background: var(--ml-paper-2);
}
.lang-toggle button {
  border: 0; background: transparent; color: var(--ml-ink-3);
  font-size: 12px; font-weight: 600; padding: 5px 12px;
  border-radius: var(--ml-r-pill); letter-spacing: 0.04em;
}
.lang-toggle button.is-active {
  background: var(--ml-ink); color: var(--ml-on-night);
}

/* ---------- Sidebars ---------- */
.sidebar {
  border-right: 1px solid var(--ml-line);
  background: var(--ml-card);
  overflow-y: auto;
  display: flex; flex-direction: column;
}
.sidebar.right {
  border-right: 0; border-left: 1px solid var(--ml-line);
}

.section {
  padding: 18px 18px 16px;
  border-bottom: 1px solid var(--ml-line);
}
.section-title {
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: var(--ml-tracking-caps); color: var(--ml-ink-3);
  margin: 0 0 12px 0;
}
.section-row { display: flex; flex-direction: column; gap: 10px; }

/* ---------- Format picker ---------- */
.format-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.format-btn {
  border: 1px solid var(--ml-line); background: var(--ml-card);
  border-radius: var(--ml-r-md); padding: 10px 8px 8px;
  display: flex; flex-direction: column; align-items: flex-start; gap: 6px;
  text-align: left; transition: all .12s ease;
}
.format-btn:hover { border-color: var(--ml-ink-4); }
.format-btn.is-active {
  border-color: var(--ml-ink); background: var(--ml-paper-2);
}
.format-icon {
  background: var(--ml-paper-2);
  border-radius: 4px;
  display: block;
}
.format-btn.is-active .format-icon { background: var(--ml-ink); }
.format-label { font-size: 11px; font-weight: 600; color: var(--ml-ink); line-height: 1.1; }
.format-dim { font-size: 10px; color: var(--ml-ink-4); font-family: var(--ml-font-mono); }

/* ---------- Chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--ml-line); background: var(--ml-card);
  color: var(--ml-ink-2); font-size: 12px; font-weight: 500;
  padding: 5px 10px; border-radius: var(--ml-r-pill);
  transition: all .12s ease;
}
.chip:hover { border-color: var(--ml-ink-4); }
.chip.is-active {
  background: var(--ml-ink); color: var(--ml-on-night); border-color: var(--ml-ink);
}
.chip.red.is-active {
  background: var(--ml-red); border-color: var(--ml-red); color: white;
}

/* ---------- Inputs ---------- */
.field { display: flex; flex-direction: column; gap: 5px; }
.field-label {
  font-size: 11px; font-weight: 600; color: var(--ml-ink-3);
  letter-spacing: 0.03em; text-transform: uppercase;
}
.input, .textarea, .select {
  border: 1px solid var(--ml-line); background: var(--ml-card);
  border-radius: var(--ml-r-md); padding: 8px 10px;
  font-size: 13px; color: var(--ml-ink);
  outline: 0; transition: border .12s ease, box-shadow .12s ease;
  width: 100%;
  font-family: inherit;
}
.input:focus, .textarea:focus, .select:focus {
  border-color: var(--ml-line-2); box-shadow: var(--ml-shadow-focus);
}
.textarea { resize: vertical; min-height: 70px; line-height: 1.4; }
.input-counter {
  font-size: 10px; color: var(--ml-ink-4); font-family: var(--ml-font-mono);
  align-self: flex-end;
}
.input-counter.over { color: var(--ml-red); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--ml-line); background: var(--ml-card);
  color: var(--ml-ink); font-size: 13px; font-weight: 500;
  padding: 9px 14px; border-radius: var(--ml-r-md);
  transition: all .12s ease;
}
.btn:hover { border-color: var(--ml-ink-4); background: var(--ml-paper-2); }
.btn:active { transform: scale(0.98); }
.btn.primary {
  background: var(--ml-red); border-color: var(--ml-red); color: white;
}
.btn.primary:hover { background: var(--ml-red-600); border-color: var(--ml-red-600); }
.btn.primary:active { background: var(--ml-red-700); }
.btn.ink {
  background: var(--ml-ink); border-color: var(--ml-ink); color: var(--ml-on-night);
}
.btn.ink:hover { background: var(--ml-night-2); }
.btn.ghost {
  background: transparent; border-color: var(--ml-line);
}
.btn.full { width: 100%; }
.btn.small { font-size: 12px; padding: 6px 10px; }
.btn[disabled] { opacity: 0.5; pointer-events: none; }

/* ---------- Canvas ---------- */
.canvas-wrap {
  display: flex; flex-direction: column; align-items: stretch;
  background: var(--ml-paper-2);
  overflow: hidden;
  position: relative;
}
.canvas-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid var(--ml-line);
  background: var(--ml-card);
}
.canvas-toolbar-left, .canvas-toolbar-right {
  display: flex; align-items: center; gap: 8px;
}
.tool-tab {
  border: 0; background: transparent;
  font-size: 12px; font-weight: 500; color: var(--ml-ink-3);
  padding: 6px 10px; border-radius: var(--ml-r-sm);
}
.tool-tab.is-active { color: var(--ml-ink); background: var(--ml-paper-2); }

.canvas-area {
  flex: 1; overflow: auto; padding: 32px;
  display: flex; align-items: flex-start; justify-content: center;
  background:
    radial-gradient(circle at 1px 1px, rgba(14,14,15,0.06) 1px, transparent 0);
  background-size: 16px 16px;
  background-color: var(--ml-paper-2);
}

.canvas-stage {
  display: flex; flex-direction: column; align-items: center; gap: 20px;
}

.slide-frame {
  position: relative;
  background: var(--ml-card);
  box-shadow: var(--ml-shadow-3);
  border-radius: 8px;
  overflow: hidden;
  transform-origin: top center;
}

.slide-meta {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%;
  font-size: 11px; color: var(--ml-ink-4); font-family: var(--ml-font-mono);
}

.slide-nav {
  display: flex; align-items: center; gap: 6px;
  background: var(--ml-card); border: 1px solid var(--ml-line);
  border-radius: var(--ml-r-pill); padding: 4px;
  margin-top: 8px;
}
.slide-nav-btn {
  border: 0; background: transparent;
  width: 28px; height: 28px; border-radius: var(--ml-r-pill);
  color: var(--ml-ink-3);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px;
}
.slide-nav-btn:hover { background: var(--ml-paper-2); color: var(--ml-ink); }
.slide-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--ml-line-2);
  border: 0; padding: 0; margin: 0 2px;
}
.slide-dot.is-active { background: var(--ml-ink); }
.slide-nav-count {
  font-size: 11px; color: var(--ml-ink-3); font-family: var(--ml-font-mono);
  padding: 0 8px;
}

/* ---------- Feed simulation ---------- */
.feed-sim {
  display: flex; flex-direction: column; gap: 8px;
  background: white;
  border-radius: 12px;
  border: 1px solid var(--ml-line);
  width: 420px;
  overflow: hidden;
}
.feed-sim-head {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px;
}
.feed-sim-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--ml-red); color: white;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px;
}
.feed-sim-name { font-weight: 600; font-size: 13px; }
.feed-sim-meta { font-size: 11px; color: var(--ml-ink-3); }
.feed-sim-actions {
  display: flex; gap: 14px; padding: 10px 12px;
  font-size: 13px; color: var(--ml-ink-2);
}
.feed-sim-caption {
  padding: 0 12px 12px; font-size: 13px; line-height: 1.45;
}
.feed-sim-caption strong { font-weight: 600; }
.feed-sim-image { background: var(--ml-paper-2); }

/* ---------- AI / manual content panel ---------- */
.content-tabs {
  display: flex; gap: 4px; padding: 4px;
  background: var(--ml-paper-2); border-radius: var(--ml-r-md);
  margin-bottom: 12px;
}
.content-tab {
  flex: 1; border: 0; background: transparent;
  font-size: 12px; font-weight: 600; color: var(--ml-ink-3);
  padding: 6px 8px; border-radius: var(--ml-r-sm);
}
.content-tab.is-active {
  background: var(--ml-card); color: var(--ml-ink);
  box-shadow: var(--ml-shadow-1);
}

.ai-spinner {
  display: inline-block; width: 14px; height: 14px;
  border: 1.5px solid var(--ml-line-2);
  border-top-color: var(--ml-ink);
  border-radius: 50%;
  animation: ml-spin 0.8s linear infinite;
}
@keyframes ml-spin { to { transform: rotate(360deg); } }

/* ---------- Slide editor (per-slide) ---------- */
.slide-editor {
  padding: 14px 16px;
  border-bottom: 1px solid var(--ml-line);
}
.slide-editor-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.slide-editor-title {
  font-size: 11px; font-weight: 600; color: var(--ml-ink-3);
  letter-spacing: 0.04em; text-transform: uppercase;
}
.icon-btn {
  background: transparent; border: 0; color: var(--ml-ink-3);
  width: 24px; height: 24px; border-radius: var(--ml-r-sm);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px;
}
.icon-btn:hover { background: var(--ml-paper-2); color: var(--ml-ink); }

/* ---------- Drag drop image ---------- */
.dropzone {
  border: 1.5px dashed var(--ml-line-2); border-radius: var(--ml-r-md);
  padding: 16px; text-align: center;
  color: var(--ml-ink-3); font-size: 12px; cursor: pointer;
  background: var(--ml-paper-2);
  transition: all .12s ease;
}
.dropzone:hover, .dropzone.drag-over {
  border-color: var(--ml-red); color: var(--ml-ink-2); background: var(--ml-red-050);
}
.dropzone img {
  max-width: 100%; max-height: 80px; border-radius: var(--ml-r-sm);
  object-fit: cover; display: block; margin: 0 auto 6px;
}

/* ---------- History ---------- */
.history-item {
  border: 1px solid var(--ml-line); border-radius: var(--ml-r-md);
  padding: 10px 12px; background: var(--ml-card);
  display: flex; align-items: center; justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  margin-bottom: 6px;
  text-align: left;
}
.history-item:hover { border-color: var(--ml-ink-4); }
.history-item-title {
  font-weight: 600; color: var(--ml-ink);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  max-width: 180px;
}
.history-item-meta { font-size: 10px; color: var(--ml-ink-4); font-family: var(--ml-font-mono); }
.history-empty {
  font-size: 12px; color: var(--ml-ink-4);
  padding: 10px; text-align: center;
}

/* ---------- Slide thumbs strip ---------- */
.slide-thumbs {
  display: flex; gap: 8px; padding: 12px 16px;
  border-top: 1px solid var(--ml-line);
  background: var(--ml-card);
  overflow-x: auto;
}
.slide-thumb {
  position: relative;
  width: 60px; height: 60px;
  border-radius: var(--ml-r-sm);
  border: 2px solid transparent;
  background: var(--ml-paper-2);
  overflow: hidden;
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
}
.slide-thumb.is-active { border-color: var(--ml-red); }
.slide-thumb-num {
  position: absolute; top: 2px; left: 4px;
  font-size: 10px; font-family: var(--ml-font-mono); color: var(--ml-ink-3);
  background: rgba(250,250,247,0.85); padding: 1px 4px; border-radius: 3px;
}
.slide-thumb-add {
  border: 1.5px dashed var(--ml-line-2);
  color: var(--ml-ink-4); font-size: 20px; font-weight: 300;
  background: transparent;
  display: inline-flex; align-items: center; justify-content: center;
}
.slide-thumb-add:hover { color: var(--ml-ink); border-color: var(--ml-ink); }

/* Scrollbars */
.sidebar::-webkit-scrollbar, .canvas-area::-webkit-scrollbar, .slide-thumbs::-webkit-scrollbar { width: 8px; height: 8px; }
.sidebar::-webkit-scrollbar-thumb, .canvas-area::-webkit-scrollbar-thumb, .slide-thumbs::-webkit-scrollbar-thumb {
  background: var(--ml-line-2); border-radius: 4px;
}

/* Layouts grid in right panel */
.layout-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.layout-card {
  border: 1px solid var(--ml-line); background: var(--ml-card);
  border-radius: var(--ml-r-md); padding: 0;
  cursor: pointer; overflow: hidden;
  aspect-ratio: 1 / 1;
  position: relative;
  transition: all .12s ease;
}
.layout-card:hover { border-color: var(--ml-ink-4); }
.layout-card.is-active { border-color: var(--ml-red); box-shadow: var(--ml-shadow-focus); }
.layout-card .mini { transform: scale(0.18); transform-origin: top left; pointer-events: none; }
.layout-card-label {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(14,14,15,0.85), transparent);
  color: white; padding: 12px 8px 6px;
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.03em;
}

/* Color/logo position selectors */
.swatch-row { display: flex; gap: 6px; }
.swatch {
  width: 30px; height: 30px; border-radius: var(--ml-r-sm);
  border: 2px solid var(--ml-line); cursor: pointer;
  position: relative;
}
.swatch.is-active { border-color: var(--ml-red); }
.swatch.paper { background: var(--ml-paper); }
.swatch.ink { background: var(--ml-ink); }
.swatch.red { background: var(--ml-red); }
.swatch.image { background: linear-gradient(135deg, #cbd5e0, #a0aec0); }

.logo-pos-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  background: var(--ml-paper-2);
  padding: 6px; border-radius: var(--ml-r-sm);
  aspect-ratio: 3 / 2;
}
.logo-pos-cell {
  background: var(--ml-card); border: 1px solid var(--ml-line);
  border-radius: 3px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 10px; color: var(--ml-ink-4);
}
.logo-pos-cell.is-active { background: var(--ml-ink); color: white; border-color: var(--ml-ink); }
.logo-pos-cell.off { background: var(--ml-paper); }
.logo-pos-cell.off.is-active { background: var(--ml-red); color: white; border-color: var(--ml-red); }