/* FileMerger styles. Based on MP4 Merger's src/style.css, plus the
   RodmanOffice back link, tabs and the PDF list. */
:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #16181d;
  --muted: #5d6573;
  --border: #dde1e7;
  --accent: #3d6bff;
  --accent-text: #ffffff;
  --danger: #c62f3b;
  --danger-bg: #fdecee;
  --ok-bg: #e9f7ef;
  --ok: #1d7a45;
  --drop: #eef2ff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --card: #181b21;
    --text: #e8eaee;
    --muted: #9aa2b1;
    --border: #2b3039;
    --accent: #5b83ff;
    --danger: #ff6b76;
    --danger-bg: #3a1a1e;
    --ok-bg: #15301f;
    --ok: #6fd69b;
    --drop: #1c2233;
  }
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, 'Segoe UI', sans-serif;
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 16px 64px;
}

h1 {
  margin: 0 0 4px;
  font-size: 26px;
}

.sub {
  margin: 0 0 24px;
  color: var(--muted);
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}

.drop {
  display: block;
  padding: 36px 16px;
  text-align: center;
  border: 2px dashed var(--border);
  border-radius: 10px;
  cursor: pointer;
  color: var(--muted);
  transition: background 0.15s, border-color 0.15s;
}

.drop strong {
  color: var(--text);
}

.drop.over,
.drop:hover {
  background: var(--drop);
  border-color: var(--accent);
}

.list-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
  color: var(--muted);
}

.clips {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.clip {
  display: grid;
  grid-template-columns: 24px 120px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-top: 8px;
  background: var(--card);
}

.clip.dragging {
  opacity: 0.4;
}

.clip .index {
  color: var(--muted);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.clip .thumb {
  width: 120px;
  height: 50px;
  border-radius: 4px;
  background: #000;
  object-fit: contain;
  display: block;
}

.clip .name {
  font-weight: 600;
  overflow-wrap: anywhere;
}

.clip .meta {
  color: var(--muted);
  font-size: 13px;
}

.clip .chips {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-right: 6px;
  vertical-align: middle;
}

.clip .chip {
  background: var(--drop);
  color: var(--text);
  border-radius: 4px;
  padding: 0 6px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.clip .meta .warn {
  color: var(--danger);
}

.clip .ctrl {
  display: flex;
  gap: 4px;
}

.clip.loading {
  opacity: 0.6;
}

.clip[draggable='true'] {
  cursor: grab;
}

.settings {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 16px;
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 4px;
}

select,
input[type='number'],
input[type='text'] {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
}

.inline {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
}

.inline input {
  min-width: 0;
}

button,
.button {
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

button.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
}

button.ghost:hover {
  color: var(--text);
}

button.icon {
  padding: 4px 8px;
  line-height: 1;
}

.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
  padding: 8px 20px;
}

.buttons {
  display: flex;
  gap: 8px;
}

.hint {
  color: var(--muted);
  font-size: 13px;
  margin: 8px 0 0;
}

.progress {
  margin-top: 16px;
}

.progress-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 6px;
  min-width: 0;
}

.pct {
  font-size: 28px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.phase {
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bar {
  height: 14px;
  border-radius: 7px;
  background: var(--border);
  overflow: hidden;
}

.bar .fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  border-radius: 7px;
  transition: width 0.25s linear;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.stat-grid div {
  background: var(--bg);
  border-radius: 8px;
  padding: 8px 10px;
}

.stat-grid b {
  display: block;
  font-size: 18px;
  font-variant-numeric: tabular-nums;
}

.stat-grid span {
  color: var(--muted);
  font-size: 12px;
}

.clip {
  position: relative;
  overflow: hidden;
}

.clip .clip-bar {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 3px;
  width: 0;
  background: var(--accent);
}

.clip.active {
  border-color: var(--accent);
}

.full {
  grid-column: 1 / -1;
}

.hw {
  font-size: 14px;
}

.hw:empty {
  display: none;
}

.hw .row {
  display: flex;
  gap: 8px;
  align-items: baseline;
  padding: 2px 0;
}

.hw .output-summary {
  font-weight: 600;
  margin-bottom: 4px;
}

.hw .ok {
  color: var(--ok);
}

.hw .bad {
  color: var(--danger);
}

.hw .tip {
  color: var(--muted);
  font-size: 13px;
  margin: 4px 0 0;
}

.confirm p {
  margin: 0 0 8px;
}

.meta .gpu {
  color: var(--ok);
}

.notice {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--ok-bg);
  color: var(--ok);
}

.notice.error {
  background: var(--danger-bg);
  color: var(--danger);
}

#result {
  margin-top: 16px;
}

#result video {
  width: 100%;
  border-radius: 8px;
  background: #000;
  margin-bottom: 8px;
}

@media (max-width: 560px) {
  .clip {
    grid-template-columns: 20px 1fr auto;
  }
  .clip .thumb {
    display: none;
  }
}

/* ---------- RodmanOffice additions ---------- */

.rodmanoffice-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
}

.rodmanoffice-back:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.tabs [role='tab'] {
  background: transparent;
  border: 0;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  padding: 8px 16px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: -1px;
}

.tabs [role='tab']:hover {
  color: var(--text);
}

.tabs [role='tab'][aria-selected='true'] {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.panel-sub {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 14px;
}

.clip.pdf .thumb {
  width: 64px;
  height: 80px;
  background: var(--bg);
  border: 1px solid var(--border);
  transition: transform 0.15s;
}

.clip.pdf {
  grid-template-columns: 24px 64px 1fr auto;
}

.clip .range {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 6px;
  font-size: 13px;
}

.clip .range input {
  width: auto;
  flex: 1 1 160px;
  max-width: 260px;
  padding: 3px 8px;
  font-size: 13px;
}

.clip.pdf .meta > .warn {
  display: block;
}

input.invalid {
  border-color: var(--danger);
}

.field.check {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 24px;
  align-items: flex-end;
}

.field.check label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--text);
  font-weight: 400;
}

.result-links {
  margin-top: 16px;
}

@media (max-width: 560px) {
  .clip.pdf {
    grid-template-columns: 20px 1fr auto;
  }
  .clip .ctrl {
    flex-wrap: wrap;
    justify-content: flex-end;
  }
}

.drop-formats {
  display: block;
  margin-top: 6px;
  font-size: 12px;
}

.clip .meta > .note {
  display: block;
  font-size: 12px;
}

#pdf-bates input[type='number'] {
  max-width: 110px;
}