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

:root {
  /* Ink & surfaces — cool charcoal, reads "instrument" not "gamer" */
  --ink: #0a0c10;
  --panel: rgba(19, 22, 28, 0.82);
  --panel-solid: #14171d;
  --elevated: #10131a;
  --elevated-2: #171b23;

  /* Lines */
  --line: rgba(255, 255, 255, 0.07);
  --line-strong: rgba(255, 255, 255, 0.15);

  /* Text */
  --text: #eaf0f6;
  --muted: #93a1b1;
  --dim: #5f6d7c;

  /* Signal — the tool's action colour (cyan → blue), deliberately not violet */
  --signal: #2ea8e6;
  --signal-light: #5cc7f7;
  --signal-deep: #1f7fb8;
  --signal-glow: rgba(46, 168, 230, 0.32);
  --signal-wash: rgba(46, 168, 230, 0.10);

  /* Semantic: source = heavy original, saved = lighter result */
  --source: #f2a541;
  --source-dim: rgba(242, 165, 65, 0.14);
  --saved: #35d29a;
  --saved-dim: rgba(53, 210, 154, 0.14);
  --danger: #f2685f;
  --danger-dim: rgba(242, 104, 95, 0.14);

  --radius: 16px;
  --radius-sm: 11px;
  --radius-xs: 9px;
  --shadow: 0 14px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 0 1px var(--line), 0 8px 30px rgba(46, 168, 230, 0.08);

  --font: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, 'SF Mono', 'JetBrains Mono', 'Cascadia Code', Menlo, Consolas, monospace;
  --ease: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--ink);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ---- Ambient: blueprint grid + a single soft wash (no orbs) ---- */
.bg-effects {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.grid-layer {
  position: absolute;
  inset: -1px;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 30px 30px;
  -webkit-mask-image: radial-gradient(120% 80% at 50% 0%, #000 35%, transparent 85%);
  mask-image: radial-gradient(120% 80% at 50% 0%, #000 35%, transparent 85%);
}

.wash {
  position: absolute;
  top: -240px;
  left: 50%;
  width: 760px;
  height: 620px;
  transform: translateX(-50%);
  background: radial-gradient(circle at 50% 40%, rgba(46, 168, 230, 0.16), transparent 68%);
  filter: blur(20px);
}

.app {
  position: relative;
  z-index: 1;
  max-width: 940px;
  margin: 0 auto;
  padding: 2.75rem 1.25rem 4rem;
}

/* ---- Header ---- */
.header {
  text-align: center;
  margin-bottom: 2rem;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-align: left;
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--signal-light) 0%, var(--signal) 45%, var(--signal-deep) 100%);
  box-shadow: 0 6px 22px var(--signal-glow), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  flex-shrink: 0;
}

.logo-text h1 {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.header-badges {
  display: flex;
  gap: 0.35rem;
  margin-top: 0.28rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.14rem 0.5rem;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-radius: 6px;
  font-family: var(--mono);
}

.pill-local {
  background: var(--signal-wash);
  color: var(--signal-light);
  border: 1px solid rgba(46, 168, 230, 0.28);
}

.pill-private {
  background: var(--saved-dim);
  color: var(--saved);
  border: 1px solid rgba(53, 210, 154, 0.28);
}

.subtitle {
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 500px;
  margin: 0 auto;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lang-select {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--dim);
  text-transform: uppercase;
}

.main-flow {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ---- Surfaces ---- */
.glass {
  background: var(--panel);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel { margin-bottom: 0; }

.panel-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: none;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: background var(--ease);
  border-radius: var(--radius) var(--radius) 0 0;
}

.panel-toggle:hover { background: rgba(255, 255, 255, 0.02); }

.panel-toggle-label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.panel-icon { color: var(--signal-light); }

.panel-toggle .chevron {
  color: var(--dim);
  transition: transform var(--ease);
}

.panel.collapsed .panel-toggle .chevron { transform: rotate(-90deg); }
.panel.collapsed .panel-body { display: none; }

.panel-body { padding: 0 1.25rem 1.35rem; }

.settings-sections {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.settings-section + .settings-section {
  padding-top: 1.35rem;
  border-top: 1px solid var(--line);
}

.section-label {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 0.85rem;
}

.section-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--line), transparent);
}

.section-title {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.875rem;
}

.field label:not(.toggle-card) {
  display: block;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 0.42rem;
}

.span-2 { grid-column: 1 / -1; }

.input,
.lang-select select,
.crop-selects select {
  width: 100%;
  background: var(--elevated);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: var(--radius-xs);
  padding: 0.58rem 0.75rem;
  font-family: inherit;
  font-size: 0.875rem;
  transition: border-color var(--ease), box-shadow var(--ease);
}

.input:hover,
.lang-select select:hover,
.crop-selects select:hover { border-color: var(--line-strong); }

.input:focus,
.lang-select select:focus,
.crop-selects select:focus {
  outline: none;
  border-color: var(--signal);
  box-shadow: 0 0 0 3px var(--signal-glow);
}

.suffix-input { margin-top: 0.5rem; }

/* ---- Quality ---- */
.quality-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.presets {
  display: flex;
  gap: 0.35rem;
}

.slider-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.slider-wrap input[type="range"] {
  flex: 1;
  height: 6px;
  accent-color: var(--signal);
  cursor: pointer;
}

.slider-wrap output {
  font-family: var(--mono);
  font-size: 0.9rem;
  font-weight: 600;
  min-width: 3rem;
  text-align: right;
  color: var(--signal-light);
  font-variant-numeric: tabular-nums;
}

/* ---- Toggle cards ---- */
.toggle-card { display: block; cursor: pointer; }

.toggle-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toggle-card-inner {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.8rem 1rem;
  background: var(--elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color var(--ease), background var(--ease), box-shadow var(--ease);
}

.toggle-card:hover .toggle-card-inner { border-color: var(--line-strong); }

.toggle-card input:checked + .toggle-card-inner {
  border-color: rgba(46, 168, 230, 0.5);
  background: var(--signal-wash);
  box-shadow: inset 0 0 0 1px rgba(46, 168, 230, 0.12);
}

.toggle-card input:focus-visible + .toggle-card-inner {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.toggle-card.compact .toggle-card-inner { padding: 0.62rem 0.85rem; }

.toggle-card-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.toggle-card-desc {
  font-size: 0.72rem;
  color: var(--dim);
}

.toggles-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.crop-controls {
  margin-top: 0.75rem;
  padding: 0.9rem;
  background: rgba(0, 0, 0, 0.22);
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}

.crop-selects {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.crop-selects label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--dim);
}

.crop-hint {
  margin-top: 0.6rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  font-weight: 500;
  color: var(--signal-light);
}

.resize-field.disabled {
  opacity: 0.4;
  pointer-events: none;
}

.resize-inputs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.resize-inputs .input {
  width: 5.5rem;
  font-family: var(--mono);
}

.dim-sep {
  color: var(--dim);
  font-weight: 500;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.62rem 1.15rem;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  border-radius: var(--radius-xs);
  border: none;
  cursor: pointer;
  transition: transform 0.12s, background var(--ease), box-shadow var(--ease), opacity var(--ease), border-color var(--ease), color var(--ease);
}

.btn-sm {
  padding: 0.45rem 0.85rem;
  font-size: 0.8rem;
}

.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.btn:not(:disabled):active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--signal-light), var(--signal-deep));
  color: #04121c;
  font-weight: 700;
  box-shadow: 0 3px 16px var(--signal-glow);
}

.btn-primary:not(:disabled):hover {
  box-shadow: 0 6px 24px rgba(46, 168, 230, 0.5);
  filter: brightness(1.06);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
}

.btn-ghost:not(:disabled):hover {
  background: var(--elevated-2);
  color: var(--text);
  border-color: var(--line-strong);
}

.btn-pill {
  padding: 0.36rem 0.8rem;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--elevated);
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 99px;
}

.btn-pill:not(:disabled):hover {
  border-color: var(--line-strong);
  color: var(--text);
}

.preset-btn.active {
  background: var(--signal-wash);
  border-color: rgba(46, 168, 230, 0.5);
  color: var(--signal-light);
}

.link-btn {
  background: none;
  border: none;
  color: var(--signal-light);
  font-family: inherit;
  font-size: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  pointer-events: auto;
  transition: color var(--ease);
}

.link-btn:hover {
  color: var(--signal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---- Dropzone (signature: registration / crop marks) ---- */
.dropzone {
  position: relative;
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  overflow: hidden;
  transition: border-color var(--ease), box-shadow var(--ease);
}

.dropzone-glow {
  position: absolute;
  inset: 14px;
  border-radius: var(--radius-sm);
  border: 1.5px dashed rgba(46, 168, 230, 0.22);
  transition: border-color var(--ease), background var(--ease);
  pointer-events: none;
}

.dropzone:hover .dropzone-glow,
.dropzone.dragover .dropzone-glow {
  border-color: rgba(46, 168, 230, 0.55);
  background: rgba(46, 168, 230, 0.04);
}

/* corner crop marks */
.reg-mark {
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--signal);
  opacity: 0.55;
  transition: opacity var(--ease), transform var(--ease);
  pointer-events: none;
}
.reg-tl { top: 12px; left: 12px; border-right: none; border-bottom: none; border-radius: 3px 0 0 0; }
.reg-tr { top: 12px; right: 12px; border-left: none; border-bottom: none; border-radius: 0 3px 0 0; }
.reg-bl { bottom: 12px; left: 12px; border-right: none; border-top: none; border-radius: 0 0 0 3px; }
.reg-br { bottom: 12px; right: 12px; border-left: none; border-top: none; border-radius: 0 0 3px 0; }

.dropzone:hover .reg-mark,
.dropzone.dragover .reg-mark { opacity: 1; }
.dropzone.dragover .reg-tl { transform: translate(-2px, -2px); }
.dropzone.dragover .reg-tr { transform: translate(2px, -2px); }
.dropzone.dragover .reg-bl { transform: translate(-2px, 2px); }
.dropzone.dragover .reg-br { transform: translate(2px, 2px); }

.dropzone.dragover .dropzone-icon {
  transform: scale(1.08) translateY(-4px);
  color: var(--signal-light);
}

.dropzone-content {
  position: relative;
  pointer-events: none;
}

.dropzone-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 78px;
  height: 78px;
  margin-bottom: 1.25rem;
  border-radius: 18px;
  background: var(--signal-wash);
  color: var(--muted);
  transition: transform 0.3s ease, color var(--ease), background var(--ease);
}

.dropzone:hover .dropzone-icon {
  background: rgba(46, 168, 230, 0.14);
  color: var(--signal-light);
}

.dropzone-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 0.35rem;
}

.dropzone-hint {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  pointer-events: auto;
}

.format-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.format-tags span {
  padding: 0.2rem 0.55rem;
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--dim);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.dropzone-folder {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--signal-light);
}

.dropzone-hint kbd {
  display: inline-block;
  padding: 0.12rem 0.45rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text);
  background: var(--elevated);
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.35);
}

/* ---- Action bar ---- */
.action-bar {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--dim);
  margin-bottom: 0.4rem;
}

.progress-bar {
  height: 5px;
  background: var(--elevated);
  border-radius: 99px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--signal-deep), var(--signal-light), var(--signal-deep));
  background-size: 200% 100%;
  border-radius: 99px;
  transition: width 0.3s ease;
  animation: shimmer 2.2s linear infinite;
}

@keyframes shimmer {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

.control-actions {
  display: flex;
  gap: 0.5rem;
  justify-content: flex-end;
}

/* ---- Summary ---- */
.summary { padding: 1.25rem; }
.summary h2 { margin-bottom: 1rem; }

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}

.summary-stat {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.9rem;
  background: var(--elevated);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: border-color var(--ease);
}

.summary-stat:hover { border-color: var(--line-strong); }

.summary-stat.highlight {
  border-color: rgba(53, 210, 154, 0.3);
  background: var(--saved-dim);
}

.stat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line);
}

.stat-icon-src { color: var(--source); background: var(--source-dim); border-color: rgba(242, 165, 65, 0.25); }
.stat-icon-out { color: var(--signal-light); background: var(--signal-wash); border-color: rgba(46, 168, 230, 0.25); }
.stat-icon-saved { color: var(--saved); background: var(--saved-dim); border-color: rgba(53, 210, 154, 0.3); }

.stat-label {
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dim);
}

.summary-stat strong {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.summary-stat strong.positive { color: var(--saved); }
.summary-stat strong.negative { color: var(--danger); }

/* ---- Results ---- */
.results { margin-top: 0.5rem; }

.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.results-count {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  background: var(--elevated);
  border: 1px solid var(--line);
  padding: 0.25rem 0.65rem;
}

.results-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card {
  display: grid;
  grid-template-columns: 88px 1fr auto;
  align-items: start;
  gap: 1rem;
  padding: 1rem 1.15rem;
  background: var(--panel);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}

.card:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-glow);
}

.card.processing { opacity: 0.75; }

.card.error {
  border-color: rgba(242, 104, 95, 0.4);
  background: var(--danger-dim);
}

.card-thumb-wrap { position: relative; }

.card-thumb {
  width: 88px;
  height: 88px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--elevated);
  border: 1px solid var(--line);
}

.card-info { min-width: 0; }

.card-name {
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 0.4rem;
}

.card-meta {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.7rem;
  margin-bottom: 0.65rem;
  font-variant-numeric: tabular-nums;
}

.card-savings {
  font-weight: 700;
  color: var(--saved);
  padding: 0.1rem 0.42rem;
  background: var(--saved-dim);
  border-radius: 5px;
}

.card-savings.negative {
  color: var(--danger);
  background: var(--danger-dim);
}

.card-badge {
  display: inline-flex;
  font-family: var(--font);
  font-size: 0.66rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  background: var(--signal-wash);
  color: var(--signal-light);
  border: 1px solid rgba(46, 168, 230, 0.22);
}

.compare {
  position: relative;
  width: 100%;
  max-width: 300px;
  height: 110px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--elevated);
  border: 1px solid var(--line);
  user-select: none;
}

.compare-after {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.compare-before-wrap {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  overflow: hidden;
  z-index: 2;
  border-right: 2px solid var(--signal-light);
  box-shadow: 2px 0 10px rgba(0, 0, 0, 0.35);
}

.compare-before {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  object-fit: cover;
}

.compare-slider {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
  z-index: 3;
}

.compare-labels {
  position: absolute;
  bottom: 6px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 8px;
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  z-index: 4;
  pointer-events: none;
}

.compare-labels span {
  padding: 0.05rem 0.35rem;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.5);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}

.compare-labels span:first-child { color: var(--source); }
.compare-labels span:last-child { color: var(--saved); }

.card-actions {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.card-actions .btn {
  padding: 0.45rem 0.85rem;
  font-size: 0.78rem;
}

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--line-strong);
  border-top-color: var(--signal);
  border-radius: 50%;
  animation: spin 0.65s linear infinite;
  vertical-align: -2px;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Footer ---- */
.footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-top: 3rem;
  color: var(--dim);
}

.footer-main {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.footer svg { flex-shrink: 0; opacity: 0.6; }
.footer p { font-size: 0.8rem; }

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 1rem;
}

.footer-legal a {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--ease);
}

.footer-legal a:hover { color: var(--signal-light); }

/* ---- Legal pages ---- */
.legal-app { max-width: 720px; }
.legal-header { margin-bottom: 1.25rem; }

.legal-back {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--signal-light);
  text-decoration: none;
  margin-bottom: 1rem;
}

.legal-back:hover { text-decoration: underline; }

.legal-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.legal-header h1 {
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.2;
}

.legal-lang {
  width: auto;
  min-width: 4.5rem;
  flex-shrink: 0;
}

.legal-meta {
  margin-top: 0.5rem;
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--dim);
}

.legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

.legal-nav a {
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 99px;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.legal-nav a:hover {
  color: var(--text);
  border-color: var(--line-strong);
}

.legal-nav a.active {
  background: var(--signal-wash);
  border-color: rgba(46, 168, 230, 0.4);
  color: var(--signal-light);
}

.legal-body { padding: 1.5rem 1.35rem; }

.legal-lead {
  font-size: 1rem;
  color: var(--muted);
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

.legal-body h2 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 1.35rem 0 0.5rem;
  color: var(--text);
}

.legal-body h2:first-of-type { margin-top: 0; }

.legal-body p {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 0.5rem;
}

.legal-list {
  margin: 0.5rem 0 1rem 1.25rem;
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.65;
}

.legal-list li { margin-bottom: 0.35rem; }

.legal-disclaimer {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.75rem !important;
  color: var(--dim) !important;
  font-style: italic;
}

/* ---- Toast ---- */
.toast {
  position: fixed;
  bottom: 1.75rem;
  left: 50%;
  transform: translateX(-50%) translateY(120px);
  background: var(--panel-solid);
  border: 1px solid var(--line-strong);
  padding: 0.8rem 1.35rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: var(--shadow);
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 100;
  pointer-events: none;
}

.toast.show { transform: translateX(-50%) translateY(0); }

/* ---- Focus visibility (a11y) ---- */
:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
  border-radius: 4px;
}
.btn:focus-visible { outline-offset: 3px; }

/* ---- Responsive ---- */
@media (max-width: 720px) {
  .app { padding: 1.75rem 1rem 3rem; }

  .header-top {
    flex-direction: column;
    align-items: stretch;
  }

  .logo { justify-content: center; text-align: center; }
  .header-actions { justify-content: center; }
  .settings-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: 1; }
  .crop-selects { grid-template-columns: 1fr; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .control-actions { justify-content: stretch; }
  .control-actions .btn { flex: 1; }

  .card {
    grid-template-columns: 72px 1fr;
    grid-template-rows: auto auto;
  }

  .card-thumb { width: 72px; height: 72px; }

  .card-actions {
    grid-column: 1 / -1;
    flex-direction: row;
    justify-content: flex-end;
  }

  .compare { max-width: 100%; }
  .dropzone { padding: 2.5rem 1.25rem; }
}

@media (max-width: 400px) {
  .summary-grid { grid-template-columns: 1fr; }
}

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}