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

:root {
  --bg: #0a0a0f;
  --card-bg: rgba(255,255,255,0.03);
  --card-border: rgba(255,255,255,0.08);
  --accent: #8b7cf8;
  --accent-dim: #7c6cf0;
  --accent-glow: rgba(139,124,248,0.35);
  --accent-glow-sm: rgba(139,124,248,0.18);
  --text: rgba(255,255,255,0.92);
  --text-muted: rgba(255,255,255,0.45);
  --text-dim: rgba(255,255,255,0.22);
  --success: #4ade80;
  --success-bg: rgba(74,222,128,0.1);
  --error: #f87171;
  --error-bg: rgba(248,113,113,0.1);
  --warning: #fbbf24;
  --warning-bg: rgba(251,191,36,0.1);
  --radius-lg: 16px;
  --radius-md: 12px;
}

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Fireflies canvas ── */
#fireflies-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* ── Background spotlights ── */
.bg-spotlight {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(90px);
}
.bg-spotlight-1 {
  width: 800px; height: 560px;
  top: -240px; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse, rgba(90,70,210,0.22) 0%, transparent 68%);
}
.bg-spotlight-2 {
  width: 500px; height: 350px;
  bottom: 5%; right: -120px;
  background: radial-gradient(ellipse, rgba(70,50,180,0.13) 0%, transparent 70%);
}

/* ── Layout ── */
.container {
  position: relative; z-index: 1;
  max-width: 820px;
  margin: 0 auto;
  padding: 52px 20px 90px;
  display: flex; flex-direction: column; gap: 20px;
}

/* ── Header ── */
.app-header { text-align: center; padding-bottom: 8px; }
.app-header h1 {
  font-size: clamp(1.85rem, 5vw, 2.9rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 10px;
}
.accent { color: var(--accent); }
.subtitle { font-size: 1rem; color: var(--text-muted); }

/* ── Card ── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

/* ── Quality slider ── */
.quality-section { padding: 22px 26px 20px; }
.quality-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 18px;
}
.quality-label {
  font-size: 0.78rem; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.07em;
}
.quality-value {
  font-size: 1.3rem; font-weight: 700; color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.slider-wrap { position: relative; padding-bottom: 30px; }

input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px; border-radius: 4px; outline: none; cursor: pointer;
  background: linear-gradient(
    to right,
    var(--accent) 0%, var(--accent) var(--fill-pct, 66.67%),
    rgba(255,255,255,0.1) var(--fill-pct, 66.67%), rgba(255,255,255,0.1) 100%
  );
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(139,124,248,0.18), 0 0 16px var(--accent-glow);
  cursor: pointer; transition: box-shadow 0.15s;
}
input[type="range"]:hover::-webkit-slider-thumb,
input[type="range"]:focus::-webkit-slider-thumb {
  box-shadow: 0 0 0 6px rgba(139,124,248,0.25), 0 0 22px var(--accent-glow);
}
input[type="range"]::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%; border: none;
  background: var(--accent); box-shadow: 0 0 16px var(--accent-glow); cursor: pointer;
}

.snap-labels { position: absolute; bottom: 0; left: 0; right: 0; height: 22px; }
.snap-labels span {
  position: absolute; transform: translateX(-50%);
  font-size: 11px; color: var(--text-dim); font-weight: 500; user-select: none;
  transition: color 0.15s;
}
.snap-labels span.active { color: var(--accent); }

/* ── Options row (lossless + strip EXIF toggles) ── */
.options-row {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.opt-toggle {
  display: flex; align-items: center; gap: 8px;
  cursor: pointer; user-select: none;
}
.opt-toggle input[type="checkbox"] { display: none; }
.opt-track {
  position: relative; flex-shrink: 0;
  width: 34px; height: 18px; border-radius: 9px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.14);
  transition: background 0.2s, border-color 0.2s;
}
.opt-track::after {
  content: '';
  position: absolute; top: 2px; left: 2px;
  width: 12px; height: 12px; border-radius: 50%;
  background: rgba(255,255,255,0.45);
  transition: transform 0.2s, background 0.2s;
}
.opt-toggle input:checked ~ .opt-track {
  background: var(--accent); border-color: var(--accent);
}
.opt-toggle input:checked ~ .opt-track::after {
  transform: translateX(16px); background: #fff;
}
.opt-label {
  font-size: 0.85rem; color: var(--text-muted);
  transition: color 0.15s;
}
.opt-toggle:hover .opt-label { color: var(--text); }
/* Quality slider dims when lossless is active */
.quality-section.lossless-on .slider-wrap { opacity: 0.35; pointer-events: none; }
.quality-section.lossless-on .quality-value::after { content: ' (lossless)'; font-size: 0.7em; color: var(--accent); }

/* ── Alt-text row ── */
.alttext-row {
  display: flex; flex-direction: column; gap: 10px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.alttext-left {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
}
.ai-badge {
  display: inline-block;
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.04em;
  padding: 1px 5px; border-radius: 4px;
  background: rgba(139,124,248,0.2);
  border: 1px solid rgba(139,124,248,0.35);
  color: var(--accent);
  vertical-align: middle; margin-left: 3px;
}
.altwords-wrap {
  display: flex; align-items: center; gap: 5px;
  opacity: 1; transition: opacity 0.2s;
}
.altwords-wrap input[type="number"] {
  width: 54px; padding: 4px 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 7px; color: var(--text); font-size: 0.82rem;
  text-align: center;
  -moz-appearance: textfield;
}
.altwords-wrap input[type="number"]::-webkit-outer-spin-button,
.altwords-wrap input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; }
.altwords-unit {
  font-size: 0.8rem; color: var(--text-muted);
}
/* Dim word-count and model selector when toggle is off */
#altTextRow:not(.active) .altwords-wrap  { opacity: 0.35; pointer-events: none; }
#altTextRow:not(.active) .altmodel-group { opacity: 0.35; pointer-events: none; }

/* ── Alt model selector ── */
.altmodel-group {
  display: flex;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px; overflow: hidden;
}
.altmodel-btn {
  display: inline-flex; align-items: center; gap: 5px;
  background: transparent; border: none;
  border-right: 1px solid rgba(255,255,255,0.08);
  color: var(--text-muted);
  font-size: 0.78rem; font-weight: 500; font-family: inherit;
  padding: 5px 10px; cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap; line-height: 1;
}
.altmodel-btn:last-child { border-right: none; }
.altmodel-btn:hover:not(.active) { background: rgba(255,255,255,0.07); color: var(--text); }
.altmodel-btn.active { background: var(--accent); color: #fff; }

/* Progress bar */
.alttext-progress {
  display: flex; align-items: center; gap: 10px;
}
.alttext-bar-track {
  flex: 1; height: 4px; border-radius: 2px;
  background: rgba(255,255,255,0.08); overflow: hidden;
}
.alttext-bar-fill {
  height: 100%; width: 0%; border-radius: 2px;
  background: var(--accent);
  transition: width 0.4s ease;
}
.alttext-progress-label {
  font-size: 0.75rem; color: var(--text-muted); white-space: nowrap;
}

/* Alt-text badge on file cards */
.alt-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.7rem; font-weight: 500; padding: 2px 7px;
  border-radius: 5px; white-space: nowrap; cursor: default;
}
.alt-badge.alt-error {
  background: rgba(248,113,113,0.08);
  border: 1px solid rgba(248,113,113,0.2);
  color: var(--error);
}

@keyframes altPulse {
  0%, 100% { opacity: 0.5; box-shadow: 0 0 0 0 rgba(139,124,248,0.4); }
  50%       { opacity: 1;   box-shadow: 0 0 0 6px rgba(139,124,248,0); }
}
.alt-ai-spin {
  width: 34px; height: 34px; flex-shrink: 0;
  border-radius: 50%;
  background: rgba(139,124,248,0.12);
  border: 1.5px solid rgba(139,124,248,0.38);
  color: var(--accent);
  font-size: 0.64rem; font-weight: 700; letter-spacing: 0.03em;
  display: flex; align-items: center; justify-content: center;
  animation: altPulse 1.6s ease-in-out infinite;
}

.alt-inline-box {
  display: flex; align-items: center; gap: 4px;
  background: rgba(139,124,248,0.08);
  border: 1px solid rgba(139,124,248,0.2);
  border-radius: 8px;
  padding: 5px 6px 5px 10px;
  max-width: 148px;
  min-width: 0;
  cursor: default;
  transition: max-width 0.25s ease, border-color 0.15s;
}
.alt-inline-box[data-expanded="true"] {
  max-width: 320px;
  border-color: rgba(139,124,248,0.38);
}
.alt-inline-body {
  flex: 1; min-width: 0;
  font-size: 0.7rem; line-height: 1.4;
  color: rgba(255,255,255,0.5);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.alt-inline-box[data-expanded="true"] .alt-inline-body {
  white-space: normal;
}
.alt-inline-arrow {
  flex-shrink: 0;
  background: none; border: none; padding: 1px 2px;
  color: rgba(139,124,248,0.45); cursor: pointer;
  display: flex; align-items: center;
  transition: color 0.15s, transform 0.25s;
  line-height: 0;
}
.alt-inline-arrow:hover { color: var(--accent); }
.alt-inline-box[data-expanded="true"] .alt-inline-arrow { transform: rotate(180deg); }

.alt-copy {
  flex-shrink: 0;
  width: 34px; height: 34px;
  background: rgba(139,124,248,0.08);
  border: 1px solid rgba(139,124,248,0.2);
  border-radius: 8px;
  color: rgba(139,124,248,0.55); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  line-height: 0;
}
.alt-copy:hover {
  background: rgba(139,124,248,0.18);
  color: var(--accent);
  border-color: rgba(139,124,248,0.42);
  box-shadow: 0 0 10px rgba(139,124,248,0.2);
}
.alt-copy.alt-copy-done {
  color: var(--success);
  border-color: rgba(74,222,128,0.35);
  background: rgba(74,222,128,0.08);
}

/* ── Format selector ── */
.format-row {
  display: flex; align-items: center; gap: 12px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.fmt-group {
  display: flex;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px; overflow: hidden;
}
.fmt-btn {
  background: transparent; border: none;
  border-right: 1px solid rgba(255,255,255,0.08);
  color: var(--text-muted);
  font-size: 0.82rem; font-weight: 500; font-family: inherit;
  padding: 6px 14px; cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.fmt-btn:last-child { border-right: none; }
.fmt-btn:hover:not(.active) { background: rgba(255,255,255,0.07); color: var(--text); }
.fmt-btn.active { background: var(--accent); color: #fff; }
/* Disable quality slider for PNG (always lossless, quality meaningless) */
.quality-section.format-png .slider-wrap { opacity: 0.35; pointer-events: none; }
/* Disable lossless toggle for JPEG and PNG */
.quality-section.format-jpeg #losslessLabel,
.quality-section.format-png  #losslessLabel { opacity: 0.35; pointer-events: none; }

/* ── Resize row ── */
.resize-row {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-top: 6px;
}
.resize-input-wrap {
  display: flex; align-items: center; gap: 5px;
}
.resize-input-wrap input[type="number"] {
  width: 72px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  padding: 5px 9px;
  color: var(--text);
  font-size: 0.875rem; font-family: inherit;
  text-align: right;
  transition: border-color 0.15s;
  -moz-appearance: textfield;
}
.resize-input-wrap input[type="number"]::-webkit-outer-spin-button,
.resize-input-wrap input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; }
.resize-input-wrap input[type="number"]:focus {
  outline: none; border-color: var(--accent);
}
.resize-unit { font-size: 0.82rem; color: var(--text-muted); }
.resize-hint  { font-size: 0.75rem; color: var(--text-dim); margin-left: auto; }

/* ── Drop zone ── */
.drop-zone {
  min-height: 210px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  border: 2px dashed rgba(255,255,255,0.1);
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  user-select: none;
  padding: 44px 24px;
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--accent);
  background: rgba(139,124,248,0.035);
  box-shadow: 0 0 0 1px rgba(139,124,248,0.3),
              0 0 50px var(--accent-glow-sm),
              inset 0 0 50px rgba(139,124,248,0.025);
}
.drop-zone:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.drop-zone-inner {
  display: flex; flex-direction: column; align-items: center;
  gap: 14px; pointer-events: none;
}
.drop-icon { display: flex; transition: transform 0.2s; }
.drop-zone:hover .drop-icon, .drop-zone.drag-over .drop-icon { transform: translateY(-3px); }
.drop-title { font-size: 1.05rem; font-weight: 500; color: var(--text); text-align: center; }
.accent-link {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgba(139,124,248,0.35);
  text-underline-offset: 2px;
}
.drop-hint { font-size: 0.8rem; color: var(--text-muted); text-align: center; }

/* ── Files section ── */
.files-section { display: flex; flex-direction: column; gap: 10px; }
.files-header {
  display: flex; align-items: center; justify-content: space-between; padding: 0 2px;
  gap: 8px;
}
.files-title {
  font-size: 0.78rem; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.07em; white-space: nowrap;
}
.session-stats {
  flex: 1; text-align: center;
  font-size: 0.78rem; color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.btn-ghost {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-muted);
  font-size: 0.8rem; font-family: inherit;
  padding: 6px 12px; border-radius: 8px; cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.btn-ghost:hover {
  border-color: var(--error); color: var(--error);
  background: rgba(248,113,113,0.06);
}
.btn-ghost.btn-download-all:hover {
  border-color: var(--accent); color: var(--accent);
  background: rgba(139,124,248,0.08);
}
.btn-ghost[hidden] { display: none; }

.files-list { display: flex; flex-direction: column; gap: 8px; }

/* ── File card ── */
.file-card {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 12px; align-items: center;
  padding: 13px 16px;
  background: rgba(255,255,255,0.025);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  transition: border-color 0.2s;
  animation: slideIn 0.22s ease both;
  min-width: 0;
}
.file-card:hover { border-color: rgba(255,255,255,0.1); }
.file-card.status-error { border-color: rgba(248,113,113,0.18); }

.file-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: 8px;
  background: rgba(139,124,248,0.1);
  border: 1px solid rgba(139,124,248,0.18);
  display: flex; align-items: center; justify-content: center;
  font-size: 9px; font-weight: 700; color: var(--accent); letter-spacing: 0.04em;
}
.file-icon-thumb {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.1);
  overflow: hidden;
  padding: 0;
}
.file-icon-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

.file-info { min-width: 0; display: flex; flex-direction: column; gap: 5px; }
.file-name {
  font-size: 0.875rem; font-weight: 500; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.file-meta {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap; min-height: 20px;
}
.file-sizes {
  font-size: 0.78rem; color: var(--text-muted);
  display: flex; align-items: center; gap: 5px;
  font-variant-numeric: tabular-nums;
}
.size-arrow { color: var(--text-dim); }

.savings-badge {
  font-size: 0.72rem; font-weight: 600; padding: 2px 7px; border-radius: 20px;
}
.savings-badge.positive { background: var(--success-bg); color: var(--success); }
.savings-badge.negative { background: var(--warning-bg); color: var(--warning); }
.savings-badge.zero { background: rgba(255,255,255,0.06); color: var(--text-dim); }

.status-badge {
  font-size: 0.72rem; font-weight: 500; padding: 2px 8px; border-radius: 20px;
}
.status-queued { background: rgba(255,255,255,0.06); color: var(--text-dim); }
.status-processing { background: rgba(139,124,248,0.14); color: var(--accent); }
.status-done { background: var(--success-bg); color: var(--success); }
.status-error-badge { background: var(--error-bg); color: var(--error); }

.progress-bar-wrap {
  height: 2px; background: rgba(255,255,255,0.06);
  border-radius: 2px; overflow: hidden;
}
.progress-bar {
  height: 100%; border-radius: 2px;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  animation: progressPulse 1.4s ease-in-out infinite;
}
@keyframes progressPulse { 0%,100% { opacity: 0.55; } 50% { opacity: 1; } }

.file-actions { flex-shrink: 0; display: flex; align-items: center; gap: 8px; }

.btn-download {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(139,124,248,0.13);
  border: 1px solid rgba(139,124,248,0.28);
  color: var(--accent);
  font-size: 0.8rem; font-weight: 500; font-family: inherit;
  padding: 7px 14px; border-radius: 8px; cursor: pointer;
  transition: all 0.15s; white-space: nowrap; text-decoration: none;
}
.btn-download:hover {
  background: rgba(139,124,248,0.22);
  border-color: var(--accent);
  box-shadow: 0 0 18px var(--accent-glow-sm);
}
.btn-download:disabled, .btn-download.disabled {
  opacity: 0.32; cursor: not-allowed; pointer-events: none; box-shadow: none;
}
/* ── Format-specific download button colours ── */
/* WebP — purple (default, same as base) */
.btn-download.fmt-webp:not(.downloaded) {
  background: rgba(139,124,248,0.13);
  border-color: rgba(139,124,248,0.28);
  color: #a89ffa;
}
.btn-download.fmt-webp:not(.downloaded):hover {
  background: rgba(139,124,248,0.22);
  border-color: var(--accent);
  color: #c4bcff;
  box-shadow: 0 0 18px rgba(139,124,248,0.2);
}
/* AVIF — rose/pink */
.btn-download.fmt-avif:not(.downloaded) {
  background: rgba(249,114,148,0.1);
  border-color: rgba(249,114,148,0.28);
  color: #f9a0b8;
}
.btn-download.fmt-avif:not(.downloaded):hover {
  background: rgba(249,114,148,0.2);
  border-color: rgba(249,114,148,0.6);
  color: #fcc0cf;
  box-shadow: 0 0 18px rgba(249,114,148,0.15);
}
/* PNG — sky blue */
.btn-download.fmt-png:not(.downloaded) {
  background: rgba(56,189,248,0.1);
  border-color: rgba(56,189,248,0.28);
  color: #7dd3fc;
}
.btn-download.fmt-png:not(.downloaded):hover {
  background: rgba(56,189,248,0.2);
  border-color: rgba(56,189,248,0.6);
  color: #bae6fd;
  box-shadow: 0 0 18px rgba(56,189,248,0.15);
}
/* JPEG — lime green */
.btn-download.fmt-jpeg:not(.downloaded) {
  background: rgba(74,222,128,0.08);
  border-color: rgba(74,222,128,0.25);
  color: #86efac;
}
.btn-download.fmt-jpeg:not(.downloaded):hover {
  background: rgba(74,222,128,0.17);
  border-color: rgba(74,222,128,0.55);
  color: #bbf7d0;
  box-shadow: 0 0 18px rgba(74,222,128,0.12);
}
/* SVG — same purple as WebP */
.btn-download.fmt-svg:not(.downloaded) {
  background: rgba(139,124,248,0.13);
  border-color: rgba(139,124,248,0.28);
  color: #a89ffa;
}

.btn-download.downloaded {
  background: rgba(74,222,128,0.07);
  border-color: rgba(74,222,128,0.22);
  color: var(--success);
}
.btn-download.downloaded:hover {
  background: rgba(74,222,128,0.13);
  border-color: rgba(74,222,128,0.4);
  box-shadow: 0 0 14px rgba(74,222,128,0.1);
}

/* ── Card click hint ── */
.card-hint {
  font-size: 0.7rem; color: var(--text-dim);
  margin-top: 3px; letter-spacing: 0.02em;
}
.file-card.status-done:hover .card-hint { color: var(--accent); }

/* ── Error notice ── */
.error-notice {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 16px;
  background: var(--error-bg);
  border: 1px solid rgba(248,113,113,0.22);
  border-radius: var(--radius-md);
  font-size: 0.85rem; color: var(--error);
  animation: slideIn 0.22s ease both;
}

/* ── Spinner ── */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
  width: 13px; height: 13px; flex-shrink: 0;
  border: 2px solid rgba(139,124,248,0.25);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(7px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Clickable done cards ── */
.file-card.status-done {
  cursor: pointer;
}
.file-card.status-done:hover {
  border-color: rgba(139,124,248,0.28);
  background: rgba(139,124,248,0.035);
}

/* ── Modal overlay ── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
  animation: fadeIn 0.18s ease;
}
.modal-overlay[hidden] { display: none; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal-card {
  background: rgba(16,14,30,0.97);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  width: 100%; max-width: 780px;
  max-height: 94vh;
  overflow-y: auto;
  display: flex; flex-direction: column;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(139,124,248,0.08);
  animation: slideUp 0.22s ease;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  flex-shrink: 0;
}
.modal-filename {
  font-size: 0.875rem; font-weight: 500; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  max-width: calc(100% - 44px);
}
.modal-close {
  flex-shrink: 0;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-muted); border-radius: 8px;
  width: 32px; height: 32px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s;
}
.modal-close:hover {
  background: rgba(248,113,113,0.1);
  border-color: var(--error); color: var(--error);
}

/* ── Comparison slider ── */
.comparison-wrap {
  position: relative;
  overflow: hidden;
  background:
    repeating-conic-gradient(rgba(255,255,255,0.04) 0% 25%, transparent 0% 50%)
    0 0 / 18px 18px;
  cursor: ew-resize;
  user-select: none;
  --split: 50%;
  flex-shrink: 0;
}
/* comp-before sits in flow and determines the container height */
.comp-before {
  display: block;
  width: 100%; height: auto;
  max-height: 54vh; object-fit: contain;
  pointer-events: none;
}
/* comp-after overlays comp-before; clip-path applied directly — no wrapper */
.comp-after {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: contain;
  clip-path: inset(0 0 0 var(--split));
  pointer-events: none;
  transition: opacity 0.15s;
}
.comp-after.loading { opacity: 0.25; }

.comp-handle {
  position: absolute; top: 0; bottom: 0;
  left: var(--split);
  transform: translateX(-50%);
  width: 2px;
  background: rgba(255,255,255,0.9);
  box-shadow: 0 0 8px rgba(0,0,0,0.5);
  pointer-events: none; z-index: 5;
}
.comp-handle-knob {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 40px; height: 40px; border-radius: 50%;
  background: white;
  box-shadow: 0 2px 20px rgba(0,0,0,0.55), 0 0 0 2px rgba(255,255,255,0.25);
  display: flex; align-items: center; justify-content: center;
  pointer-events: all; cursor: ew-resize;
}
.comp-label {
  position: absolute; top: 10px;
  padding: 3px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.03em;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  color: rgba(255,255,255,0.9);
  pointer-events: none;
}
.comp-label-left  { left: 10px; }
.comp-label-right { right: 10px; }

.comp-loading {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(10,10,15,0.5);
  backdrop-filter: blur(4px);
}
.comp-loading[hidden] { display: none; }
.comp-loading .spinner {
  width: 28px; height: 28px;
  border-width: 3px;
}

/* ── Modal controls ── */
.modal-controls {
  padding: 18px 18px 16px;
  display: flex; flex-direction: column; gap: 12px;
  flex-shrink: 0;
}
.modal-quality-header {
  display: flex; justify-content: space-between; align-items: center;
}
.modal-quality-val {
  font-size: 1.3rem; font-weight: 700; color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.modal-slider-wrap { padding-bottom: 26px; }
.modal-footer {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 10px;
}
.modal-sizes {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.85rem; color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}
.modal-actions {
  display: flex; align-items: center; gap: 8px; flex-shrink: 0;
}
.btn-preview {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent;
  border: 1px solid rgba(139,124,248,0.3);
  color: var(--accent);
  font-size: 0.8rem; font-weight: 500; font-family: inherit;
  padding: 7px 14px; border-radius: 8px; cursor: pointer;
  transition: all 0.15s; white-space: nowrap;
}
.btn-preview:hover {
  background: rgba(139,124,248,0.1);
  border-color: var(--accent);
  box-shadow: 0 0 14px var(--accent-glow-sm);
}
.btn-preview:disabled {
  opacity: 0.45; cursor: not-allowed; pointer-events: none;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .container { padding: 28px 14px 60px; gap: 14px; }
  .app-header h1 { font-size: 1.75rem; }
  .file-card {
    grid-template-columns: 40px 1fr;
    grid-template-rows: auto auto;
    gap: 8px 10px;
  }
  .file-actions { grid-column: 2; }
  .quality-section { padding: 16px 18px; }
  .drop-zone { min-height: 180px; padding: 32px 16px; }
}

/* ── Global drag-and-drop overlay ── */
.global-drop-overlay {
  position: fixed; inset: 0; z-index: 300;
  display: flex; align-items: center; justify-content: center;
  background: rgba(10,10,15,0.88);
  backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
}
.global-drop-overlay.active {
  opacity: 1;
  pointer-events: all;
}
.global-drop-inner {
  display: flex; flex-direction: column; align-items: center; gap: 20px;
  border: 2px dashed var(--accent);
  border-radius: 24px;
  padding: 52px 80px;
  color: rgba(255,255,255,0.85);
  font-size: 1.1rem; font-weight: 500;
  animation: dropPulse 1.4s ease-in-out infinite;
}
@keyframes dropPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(139,124,248,0); }
  50%       { box-shadow: 0 0 0 10px rgba(139,124,248,0.12); }
}