:root {
  color-scheme: light;
  --bg: #f4f6fa;
  --surface: #ffffff;
  --surface-2: #f6f8fc;
  --surface-3: #fbfcfe;
  --text: #1f2937;
  --muted: #6b7280;
  --muted-2: #9aa3b2;
  --line: #e6e9f0;
  --line-strong: #d6dbe6;
  --blue: #2563eb;
  --blue-2: #1d4ed8;
  --blue-soft: #eff4ff;
  --green: #16a34a;
  --green-2: #15803d;
  --green-soft: #eafaf0;
  --amber: #d97706;
  --red: #dc2626;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.04), 0 8px 24px rgba(16, 24, 40, 0.05);
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --radius: 12px;
  --radius-sm: 9px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { min-width: 320px; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

button, input, select { font: inherit; color: inherit; }
button, a, select, input[type="file"], label.dropzone { cursor: pointer; }
a { color: inherit; text-decoration: none; }

.ui-icon {
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}
.ui-icon svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}

/* ---------- Header ---------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto minmax(260px, 540px) auto;
  align-items: center;
  gap: 16px;
  min-height: 68px;
  padding: 12px 28px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
}
.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(150deg, #3b82f6, #2563eb);
  color: #fff;
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.28);
}
.brand-mark .ui-icon, .brand-mark .ui-icon svg { width: 21px; height: 21px; }
.brand strong { font-size: 1.16rem; font-weight: 800; letter-spacing: -0.01em; }

.global-search {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--muted);
}
.global-search input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
}
.global-search kbd {
  display: inline-grid;
  place-items: center;
  min-width: 34px;
  height: 24px;
  padding: 0 6px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.72rem;
  font-family: inherit;
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  justify-content: flex-end;
}
.api-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font-weight: 700;
  font-size: 0.9rem;
}
.api-button:hover { border-color: var(--blue); color: var(--blue); }
.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface);
  color: var(--muted);
}
.icon-btn.ghost { border-color: transparent; background: transparent; }
.icon-btn:hover { color: var(--blue); border-color: var(--blue); }
.avatar-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 40px;
  padding: 0 8px 0 4px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
}
.avatar {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(150deg, #3b82f6, #6366f1);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 800;
}

/* ---------- Format bar ---------- */
.format-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 28px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: thin;
}
.format-bar-label {
  flex: 0 0 auto;
  color: var(--text);
  font-weight: 700;
  font-size: 0.825rem;
}
.format-tabs {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 0 0 auto;
}
.format-tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 12px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.775rem;
  white-space: nowrap;
}
.format-tab .fmt-ico {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: var(--tint, var(--surface-2));
  color: var(--tint-fg, var(--blue));
}
.format-tab .fmt-ico .ui-icon, .format-tab .fmt-ico .ui-icon svg { width: 14px; height: 14px; }
.format-tab:hover { color: var(--text); }
.format-tab.active { color: var(--blue); }
.format-tab.active::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: -12px;
  height: 2px;
  border-radius: 2px;
  background: var(--blue);
}

.format-bar-popular {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding-left: 16px;
  border-left: 1px solid var(--line);
  flex: 0 0 auto;
}
.popular-label { color: var(--muted); font-size: 0.725rem; font-weight: 600; }
.popular-pills { display: inline-flex; gap: 8px; }
.popular-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 36px;
  padding: 0 13px;
  border: 1px solid color-mix(in srgb, var(--green) 32%, var(--line));
  border-radius: 8px;
  background: var(--green-soft);
  color: var(--green-2);
  font-weight: 700;
  font-size: 0.725rem;
  white-space: nowrap;
}
.popular-pill .ui-icon, .popular-pill .ui-icon svg { width: 15px; height: 15px; }
.popular-pill:hover { border-color: var(--green); }

/* ---------- Layout ---------- */
main {
  display: grid;
  gap: 18px;
  width: min(1480px, 100%);
  margin: 0 auto;
  padding: 22px 28px 40px;
}
.work-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
  align-items: start;
}
.work-grid .converter-card { grid-column: 1; grid-row: 1; }
.work-grid .batch-panel { grid-column: 1; grid-row: 2; }
.work-grid .settings-sidebar { grid-column: 2; grid-row: 1 / span 2; }

.converter-card, .settings-sidebar, .batch-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.converter-card { padding: 20px; }

/* ---------- Quick actions ---------- */
.steps-row {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.remove-bg-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid color-mix(in srgb, var(--blue) 28%, var(--line));
  border-radius: 10px;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 800;
  font-size: 0.95rem;
}
.remove-bg-btn.active {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.22);
}
.remove-bg-status {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}
.convert-btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-left: auto;
  min-height: 46px;
  padding: 0 26px;
  border: 0;
  border-radius: 10px;
  background: var(--green);
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 0 8px 18px rgba(22, 163, 74, 0.25);
}
.convert-btn:hover { background: var(--green-2); }
.convert-btn:disabled { opacity: 0.55; cursor: not-allowed; box-shadow: none; }

/* ---------- Converter body ---------- */
.converter-body {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) auto minmax(220px, 0.85fr) minmax(260px, 1.05fr);
  gap: 18px;
  align-items: start;
}

.dropzone {
  position: relative;
  display: grid;
  justify-items: center;
  align-content: center;
  gap: 6px;
  min-height: 300px;
  padding: 22px;
  border: 1.5px dashed var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface-3);
  text-align: center;
}
.dropzone.dragover { border-color: var(--blue); background: var(--blue-soft); }
.dropzone input {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}
.upload-icon {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  margin-bottom: 6px;
  border-radius: 14px;
  background: var(--blue-soft);
  color: var(--blue);
}
.upload-icon .ui-icon, .upload-icon .ui-icon svg { width: 26px; height: 26px; }
.dropzone strong { font-size: 1.02rem; font-weight: 700; }
.drop-sub { color: var(--muted); font-size: 0.88rem; }
.drop-link { color: var(--blue); font-weight: 700; font-size: 0.88rem; }
.drop-formats { margin-top: 10px; color: var(--muted-2); font-size: 0.76rem; line-height: 1.4; max-width: 240px; }
.drop-max { color: var(--muted-2); font-size: 0.76rem; }
.add-files-split {
  display: inline-flex;
  align-items: stretch;
  margin-top: 14px;
  border-radius: 9px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.add-files {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--text);
  font-weight: 700;
  font-size: 0.88rem;
}
.add-files-caret {
  display: inline-grid;
  place-items: center;
  width: 34px;
  border: 1px solid var(--line-strong);
  border-left: 0;
  background: var(--surface);
  color: var(--muted);
}
.dropzone:hover .add-files { border-color: var(--blue); color: var(--blue); }

.body-arrow {
  display: grid;
  place-items: center;
  align-self: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--muted);
}

/* output column */
.output-col { display: grid; gap: 14px; align-content: start; }
.field { display: grid; gap: 7px; }
.field-label, .setting-title {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 700;
}
.field-label { color: #374151; }
.setting-title .ui-icon, .field-label .ui-icon { width: 14px; height: 14px; color: var(--muted-2); }
.setting-note { color: var(--muted-2); font-weight: 500; }

.select-wrap { position: relative; display: grid; }
.select-wrap select {
  width: 100%;
  min-height: 46px;
  padding: 0 38px 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  appearance: none;
  outline: 0;
}
.select-wrap select.has-icon { padding-left: 42px; }
.select-wrap select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 16%, transparent); }
.select-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--blue);
  pointer-events: none;
}
.select-caret {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  pointer-events: none;
}

.lossless-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: max-content;
  height: 30px;
  padding: 0 12px;
  border: 1px solid color-mix(in srgb, var(--green) 30%, var(--line));
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green-2);
  font-size: 0.78rem;
  font-weight: 700;
}
.lossless-badge .ui-icon { width: 14px; height: 14px; }
.lossless-badge.lossy {
  border-color: color-mix(in srgb, var(--amber) 30%, var(--line));
  background: color-mix(in srgb, var(--amber) 10%, var(--surface));
  color: var(--amber);
}

.check-row {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #374151;
}
.check-row input { width: 17px; height: 17px; accent-color: var(--blue); }

/* files column */
.files-col {
  display: grid;
  gap: 12px;
  align-content: start;
  border-left: 1px solid var(--line);
  padding-left: 18px;
}
.files-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.files-head strong { font-size: 0.9rem; font-weight: 700; }
.link-btn {
  border: 0;
  background: transparent;
  color: var(--blue);
  font-weight: 700;
  font-size: 0.84rem;
}
.link-btn:hover { color: var(--blue-2); }
.files-list { display: grid; gap: 8px; max-height: 300px; overflow-y: auto; }
.file-card {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  gap: 11px;
  align-items: center;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}
.file-thumb {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface-2);
  color: var(--blue);
}
.file-thumb img { width: 100%; height: 100%; object-fit: cover; }
.file-thumb .ui-icon, .file-thumb .ui-icon svg { width: 18px; height: 18px; }
.file-meta { min-width: 0; line-height: 1.3; }
.file-meta strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.file-meta small { color: var(--muted); font-size: 0.76rem; }
.file-remove {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--muted-2);
}
.file-remove:hover { background: color-mix(in srgb, var(--red) 10%, var(--surface)); color: var(--red); }
.files-empty {
  display: grid;
  place-items: center;
  padding: 26px 12px;
  border: 1px dashed var(--line-strong);
  border-radius: 10px;
  color: var(--muted-2);
  font-size: 0.84rem;
  text-align: center;
}

/* ---------- Settings sidebar ---------- */
.settings-sidebar { padding: 18px; align-self: stretch; }
.settings-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.settings-head strong { font-size: 0.98rem; font-weight: 700; }
.settings-body { display: grid; gap: 18px; }
.settings-body.collapsed { display: none; }
.setting-block { display: grid; gap: 10px; }
.setting-sub { color: var(--muted); font-size: 0.8rem; font-weight: 600; }

.quality-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
}
input[type="range"] {
  width: 100%;
  accent-color: var(--blue);
}
.quality-num {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 38px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: var(--surface);
}
.quality-num input {
  width: 34px;
  border: 0;
  outline: 0;
  background: transparent;
  font-weight: 700;
  text-align: right;
}
.quality-num span { color: var(--muted); font-size: 0.82rem; }
.range-scale {
  display: flex;
  justify-content: space-between;
  color: var(--muted-2);
  font-size: 0.74rem;
}

.dim-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 8px;
}
.dim-input {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: var(--surface);
}
.dim-input input { width: 100%; min-width: 0; border: 0; outline: 0; background: transparent; }
.dim-input span { color: var(--muted-2); font-size: 0.78rem; }
.dim-link {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
}
.dim-link.active { color: var(--blue); border-color: color-mix(in srgb, var(--blue) 40%, var(--line)); background: var(--blue-soft); }

.size-pills { display: flex; flex-wrap: wrap; gap: 8px; }
.size-pill {
  height: 34px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  font-size: 0.82rem;
}
.size-pill:hover { border-color: var(--blue); color: var(--blue); }
.size-pill.active { border-color: var(--blue); background: var(--blue-soft); color: var(--blue); }

.bg-row { display: flex; align-items: center; gap: 9px; }
.swatch {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: #fff;
}
.swatch.active {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 18%, transparent);
}
.swatch.transparent {
  background-image: linear-gradient(45deg, #d7deea 25%, transparent 25%), linear-gradient(-45deg, #d7deea 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #d7deea 75%), linear-gradient(-45deg, transparent 75%, #d7deea 75%);
  background-position: 0 0, 0 7px, 7px -7px, -7px 0;
  background-size: 14px 14px;
}
.swatch.black { background: #111827; }
.swatch.rainbow { background: conic-gradient(from 90deg, #ef4444, #f59e0b, #22c55e, #3b82f6, #a855f7, #ef4444); }
.hex-input {
  display: inline-flex;
  align-items: center;
  height: 34px;
  margin-left: auto;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: var(--surface);
}
.hex-input input { width: 72px; border: 0; outline: 0; background: transparent; font-weight: 600; font-size: 0.84rem; }

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.switch { position: relative; display: inline-flex; }
.switch input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.switch-track {
  display: inline-block;
  width: 44px;
  height: 24px;
  border-radius: 999px;
  background: var(--line-strong);
  transition: background 0.15s ease;
}
.switch-track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.25);
  transition: transform 0.15s ease;
}
.switch input:checked + .switch-track { background: var(--green); }
.switch input:checked + .switch-track::after { transform: translateX(20px); }

.tip-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 11px;
  padding: 13px;
  border: 1px solid color-mix(in srgb, var(--green) 22%, var(--line));
  border-radius: 11px;
  background: var(--green-soft);
}
.tip-icon {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--green) 16%, #fff);
  color: var(--green-2);
}
.tip-card strong { display: block; font-size: 0.84rem; color: var(--green-2); }
.tip-card small { color: #3f6b4f; font-size: 0.8rem; line-height: 1.4; }

/* ---------- Batch panel ---------- */
.batch-panel { padding: 18px 20px; }
.batch-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.batch-head > strong { font-size: 1.05rem; font-weight: 700; }
.batch-head #batchCount { color: var(--muted); font-weight: 600; }
.batch-actions { display: inline-flex; align-items: center; gap: 10px; }
.ghost-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: var(--surface);
  color: var(--muted);
  font-weight: 700;
  font-size: 0.86rem;
}
.ghost-btn:hover { color: var(--text); border-color: var(--line-strong); }
.download-all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 8px 0 16px;
  border: 0;
  border-radius: 9px;
  background: var(--blue);
  color: #fff;
  font-weight: 700;
  font-size: 0.88rem;
}
.download-all:hover { background: var(--blue-2); }
.dl-caret {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 28px;
  margin-left: 2px;
  border-left: 1px solid rgba(255,255,255,0.3);
}

.batch-table {
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.batch-row {
  display: grid;
  grid-template-columns: minmax(180px, 2.2fr) 70px 70px 124px 130px minmax(140px, 1.4fr) 110px;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line);
}
.batch-row:last-child { border-bottom: 0; }
.batch-row-head {
  background: var(--surface-2);
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: none;
}
#queueList .batch-row { background: var(--surface); }
.bq-name { display: inline-flex; align-items: center; gap: 10px; min-width: 0; }
.bq-thumb {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 7px;
  overflow: hidden;
  background: var(--surface-2);
  color: var(--blue);
  flex: 0 0 auto;
}
.bq-thumb img { width: 100%; height: 100%; object-fit: cover; }
.bq-thumb .ui-icon, .bq-thumb .ui-icon svg { width: 15px; height: 15px; }
.bq-name span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.85rem;
  font-weight: 500;
}
.fmt-badge {
  display: inline-grid;
  place-items: center;
  min-width: 46px;
  height: 26px;
  padding: 0 8px;
  border-radius: 7px;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
}
.fmt-badge.from { background: var(--blue-soft); color: var(--blue); }
.fmt-badge.to { background: var(--green-soft); color: var(--green-2); }
.bq-to { display: inline-flex; align-items: center; gap: 6px; color: var(--muted-2); }
.bq-size { display: grid; gap: 2px; line-height: 1.25; }
.sz-orig { color: var(--muted); font-size: 0.8rem; }
.sz-new {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  font-weight: 700;
}
.sz-new.down { color: var(--green); }
.sz-new.up { color: var(--amber); }
.sz-new em {
  font-style: normal;
  font-size: 0.66rem;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: 999px;
}
.sz-new.down em { background: var(--green-soft); color: var(--green-2); }
.sz-new.up em { background: color-mix(in srgb, var(--amber) 14%, #fff); color: var(--amber); }

.bq-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 700;
}
.bq-status .ui-icon, .bq-status .ui-icon svg { width: 15px; height: 15px; }
.bq-status.completed { color: var(--green); }
.bq-status.converting { color: var(--blue); }
.bq-status.queued { color: var(--muted); }
.bq-status.failed { color: var(--red); }
.bq-status.converting .ui-icon { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.bq-progress { display: inline-flex; align-items: center; gap: 10px; }
.progress-track {
  flex: 1;
  height: 7px;
  border-radius: 999px;
  background: var(--surface-2);
  overflow: hidden;
}
.progress-track span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--green);
  transition: width 0.3s ease;
}
.progress-track.active span { background: var(--blue); }
.bq-progress small { color: var(--muted); font-size: 0.78rem; min-width: 34px; text-align: right; }

.bq-actions { display: inline-flex; align-items: center; gap: 4px; justify-content: flex-end; }
.bq-act {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
}
.bq-act:hover { background: var(--surface-2); color: var(--blue); }
.bq-act.danger:hover { background: color-mix(in srgb, var(--red) 10%, var(--surface)); color: var(--red); }
.batch-empty {
  padding: 30px 16px;
  text-align: center;
  color: var(--muted-2);
  font-size: 0.86rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 1180px) {
  .work-grid { grid-template-columns: 1fr; }
  .work-grid .converter-card,
  .work-grid .settings-sidebar,
  .work-grid .batch-panel { grid-column: 1; grid-row: auto; }
}
@media (max-width: 1080px) {
  .converter-body { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .body-arrow { display: none; }
  .files-col { grid-column: 1 / -1; border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 16px; }
}
@media (max-width: 920px) {
  .app-header { grid-template-columns: auto 1fr; }
  .global-search { grid-column: 1 / -1; order: 3; }
  .batch-row {
    grid-template-columns: minmax(140px, 1.6fr) 60px 60px 80px 120px;
  }
  .batch-row span.bq-progress-head, .bq-progress, .batch-row > span:nth-child(7), .bq-actions { display: none; }
  .batch-row-head > span:nth-child(6), .batch-row-head > span:nth-child(7) { display: none; }
}
@media (max-width: 720px) {
  main, .format-bar, .app-header { padding-left: 16px; padding-right: 16px; }
  .converter-body { grid-template-columns: 1fr; }
  .steps-row { flex-direction: column; align-items: flex-start; }
  .remove-bg-btn { width: 100%; justify-content: center; }
  .convert-btn { margin-left: 0; width: 100%; justify-content: center; }
  .batch-row {
    grid-template-columns: minmax(120px, 1.4fr) 56px 70px;
  }
  .batch-row > span:nth-child(4), .batch-row > span:nth-child(5),
  .batch-row-head > span:nth-child(4), .batch-row-head > span:nth-child(5) { display: none; }
}