/* === SRT Studio — clean, fast, mobile-friendly === */
:root {
  --bg: #0f1115;
  --bg-2: #161922;
  --bg-3: #1d2230;
  --line: #262b3a;
  --text: #e6e8ef;
  --text-dim: #9aa1b3;
  --accent: #6c7cff;
  --accent-2: #9b6cff;
  --success: #2ecc71;
  --warn: #f1c40f;
  --error: #ff5c5c;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7fb;
    --bg-2: #ffffff;
    --bg-3: #eef0f6;
    --line: #d9dde8;
    --text: #1a1d27;
    --text-dim: #5d6477;
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* === Top bar === */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 18px; margin: 0; font-weight: 700; }
.logo { font-size: 22px; }
.tabs { display: flex; gap: 4px; }
.tab {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  transition: all 0.15s;
}
.tab:hover { color: var(--text); background: var(--bg-3); }
.tab.active {
  color: var(--text);
  background: var(--bg-3);
  border-color: var(--line);
}

/* === Layout === */
.layout {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 0;
  min-height: 0;
}
.pane { min-width: 0; min-height: 0; }
.video-pane {
  display: flex;
  flex-direction: column;
  background: #000;
  position: relative;
}
.side-pane {
  background: var(--bg-2);
  border-left: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  min-height: 0;
}

/* === Video + overlay === */
.video-wrap {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 240px;
  height: 100%;
  background: #000;
  overflow: hidden;
  padding: 0;
}
/* Stage = the frame the video renders inside. Fills the wrap.
   The video element inside uses max-width/max-height to preserve
   aspect ratio while fitting. The overlay (inset:0 of stage) thus
   covers exactly the video frame, not the wrap's letterbox. */
.video-stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  /* Take all available space — the video inside will shrink to fit. */
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  background: #000;
}
#video {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  background: #000;
  /* object-fit keeps aspect ratio even when the video element's
     intrinsic size doesn't match the rendered size */
  object-fit: contain;
}
.subtitle-overlay {
  position: absolute;
  pointer-events: none;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.subtitle-overlay .cue {
  position: absolute;
  padding: 4px 10px;
  text-align: center;
  white-space: pre-line;
  pointer-events: auto;
  cursor: grab;
  user-select: none;
  transition: outline 0.1s, box-shadow 0.1s;
  line-height: 1.3;
  touch-action: none; /* allow pointer drag on mobile */
}
.subtitle-overlay .cue.dragging { cursor: grabbing; opacity: 0.9; }
.subtitle-overlay .cue:hover { outline: 1px dashed var(--accent); }
.subtitle-overlay .cue.dragging { outline: 1px solid var(--accent); box-shadow: 0 0 0 2px rgba(108, 124, 255, 0.3); }
/* snap guides while dragging */
.snap-guide {
  position: absolute;
  background: var(--accent);
  pointer-events: none;
  z-index: 10;
  opacity: 0.7;
}
.snap-h { left: 0; right: 0; height: 1px; }
.snap-v { top: 0; bottom: 0; width: 1px; }

/* === Dropzone === */
.dropzone {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 5;
  transition: opacity 0.2s;
}
.dropzone.hidden { opacity: 0; pointer-events: none; }
.dz-inner { text-align: center; color: #fff; padding: 20px; }
.dz-icon { font-size: 48px; margin-bottom: 8px; }
.dz-title { font-size: 18px; font-weight: 600; margin: 0 0 6px; }
.dz-sub { margin: 0 0 12px; color: rgba(255, 255, 255, 0.7); }
.dz-meta { font-size: 12px; color: rgba(255, 255, 255, 0.5); margin: 0; }
.link { color: var(--accent); cursor: pointer; text-decoration: underline; }

/* === Transport bar === */
.transport {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: #000;
  color: #fff;
  border-top: 1px solid #222;
}
.transport .time { font-family: var(--mono); font-size: 12px; color: #ccc; }
.transport .grow { flex: 1; }
.now-editing {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 4;
}
.now-editing .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--warn);
  animation: pulse 1s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* === Buttons === */
.btn {
  background: var(--bg-3);
  color: var(--text);
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.btn:hover { background: var(--line); }
.btn:active { transform: translateY(1px); }
.btn.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn.primary:hover { filter: brightness(1.1); }
.btn.success {
  background: var(--success);
  color: #fff;
  border-color: var(--success);
}
.btn.ghost {
  background: transparent;
  border-color: var(--line);
}
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn.big { padding: 12px 20px; font-size: 14px; }

/* === Side pane: SRT === */
.srt-header {
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--line);
}
.srt-header h2 { font-size: 14px; margin: 0 0 10px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-dim); }
.srt-actions { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.search-row { display: flex; gap: 6px; }
.search-row input {
  flex: 1;
  background: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-family: inherit;
}
.search-row input:focus { outline: none; border-color: var(--accent); }

.cue-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  min-height: 0;
}
.cue-card {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  margin-bottom: 6px;
  cursor: pointer;
  transition: all 0.1s;
  position: relative;
}
.cue-card:hover { border-color: var(--accent); }
.cue-card.active { border-color: var(--accent); background: rgba(108, 124, 255, 0.1); }
.cue-card .times { display: flex; gap: 4px; font-family: var(--mono); font-size: 11px; color: var(--text-dim); margin-bottom: 4px; }
.cue-card .time-input {
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--mono);
  font-size: 11px;
  padding: 2px 4px;
  width: 90px;
  border-radius: 4px;
}
.cue-card .time-input:focus { outline: none; border-color: var(--accent); }
.cue-card .arrow { color: var(--text-dim); }
.cue-card .text-input {
  background: var(--bg);
  border: 1px solid transparent;
  color: var(--text);
  width: 100%;
  font-family: inherit;
  font-size: 13px;
  padding: 4px;
  border-radius: 4px;
  resize: vertical;
  min-height: 32px;
}
.cue-card .text-input:focus { outline: none; border-color: var(--accent); }
.cue-card .row { display: flex; gap: 4px; align-items: center; }
.cue-card .seq {
  background: var(--accent);
  color: #fff;
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  margin-right: 6px;
  font-weight: 700;
}
.cue-card .del {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 16px;
  padding: 0 4px;
}
.cue-card .del:hover { color: var(--error); }

.srt-footer {
  padding: 8px 16px;
  border-top: 1px solid var(--line);
  font-size: 11px;
  color: var(--text-dim);
  display: flex;
  gap: 8px;
}
.dot-sep { opacity: 0.5; }
.muted { color: var(--text-dim); }
.muted.small { font-size: 11px; }

/* === Side panel (Style / Translate / Render) === */
.panel {
  position: fixed;
  top: 60px;
  right: 0;
  bottom: 0;
  width: min(420px, 100vw);
  background: var(--bg-2);
  border-left: 1px solid var(--line);
  overflow-y: auto;
  z-index: 8;
  box-shadow: var(--shadow);
}
.panel[hidden] { display: none; }
.panel-inner { padding: 20px; }
.panel-inner h2 { margin: 0 0 4px; font-size: 18px; }
.panel-inner h3 { margin: 18px 0 10px; font-size: 13px; text-transform: uppercase; color: var(--text-dim); letter-spacing: 0.5px; }
.panel-sub { margin: 0 0 16px; color: var(--text-dim); font-size: 12px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-2 label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; }
.grid-2 .val { color: var(--accent); font-weight: 700; }
.grid-2 input[type="range"] { width: 100%; }
.grid-2 input[type="color"] { width: 100%; height: 32px; border: 1px solid var(--line); border-radius: 4px; background: var(--bg-3); cursor: pointer; }
.grid-2 input[type="text"], .grid-2 input[type="number"], .grid-2 select {
  background: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 6px 8px;
  border-radius: 4px;
  font-size: 13px;
  font-family: inherit;
}
.grid-2 input:focus, .grid-2 select:focus { outline: none; border-color: var(--accent); }
.grid-2 input[type="checkbox"] { width: 18px; height: 18px; }

.pos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 12px;
}
.pos-cell { position: relative; }
.pos-cell input { position: absolute; opacity: 0; }
.pos-cell span {
  display: block;
  text-align: center;
  padding: 8px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.1s;
}
.pos-cell input:checked + span {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.pos-cell span:hover { border-color: var(--accent); }

.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 12px 0; }
.progress-wrap { margin-top: 16px; }
.progress-bar {
  height: 8px;
  background: var(--bg-3);
  border-radius: 4px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  width: 0;
  transition: width 0.2s;
}
.progress-text { margin-top: 6px; font-size: 12px; color: var(--text-dim); }

/* === Modal === */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal[hidden] { display: none; }
.modal-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  width: min(440px, 90vw);
  box-shadow: var(--shadow);
}
.modal-card h3 { margin: 0 0 14px; }
.modal-card label { display: block; margin-bottom: 10px; font-size: 12px; color: var(--text-dim); }
.modal-card input, .modal-card textarea {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 13px;
  margin-top: 4px;
}
.modal-card textarea { font-size: 12px; resize: vertical; }
.modal-card input:focus, .modal-card textarea:focus { outline: none; border-color: var(--accent); }

/* === Toast === */
.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 13px;
  z-index: 200;
  box-shadow: var(--shadow);
  animation: toastIn 0.2s ease-out;
}
.toast.error { border-color: var(--error); color: var(--error); }
.toast.success { border-color: var(--success); color: var(--success); }
@keyframes toastIn { from { transform: translateX(-50%) translateY(10px); opacity: 0; } }

/* === Mobile === */
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .side-pane { border-left: none; border-top: 1px solid var(--line); max-height: 50vh; }
  .video-wrap { min-height: 240px; }
  .panel { width: 100vw; }
  .grid-2 { grid-template-columns: 1fr; }
}

/* === Download panel additions === */
.block-label {
  display: block;
  margin-bottom: 12px;
  font-size: 12px;
  color: var(--text-dim);
}
.block-label input {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 4px;
  font-size: 13px;
  font-family: inherit;
  margin-top: 4px;
}
.block-label input:focus { outline: none; border-color: var(--accent); }
.cobalt-toggle {
  margin: 12px 0;
  padding: 10px 12px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 12px;
}
.cobalt-toggle label { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.cobalt-faq {
  margin-top: 16px;
  padding: 10px 12px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 12px;
  color: var(--text-dim);
}
.cobalt-faq summary { cursor: pointer; font-weight: 600; color: var(--text); }
.cobalt-faq p { margin: 8px 0 0; }
.cobalt-faq code {
  background: var(--bg);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
}
.link-inline { color: var(--accent); text-decoration: underline; }
.link-inline:hover { opacity: 0.8; }