/* ============================================================
   VIDEO SPECIALIST RENAMER V3 — styles.css
   Glassmorphism Dark Theme · System Fonts · No CDN
   ============================================================ */

/* ── DESIGN TOKENS ─────────────────────────────────────── */
:root {
  /* Palette */
  --bg-base:        #080a12;
  --bg-surface:     #0d1020;
  --bg-surface-2:   #111527;

  /* Glass */
  --glass-bg:       rgba(255, 255, 255, 0.035);
  --glass-bg-hover: rgba(255, 255, 255, 0.06);
  --glass-border:   rgba(255, 255, 255, 0.08);
  --glass-border-bright: rgba(255, 255, 255, 0.15);
  --glass-blur:     blur(20px) saturate(180%);

  /* Accent */
  --accent-cyan:    #00d4ff;
  --accent-purple:  #7c3aed;
  --accent-emerald: #10d97e;
  --accent-amber:   #f59e0b;
  --accent-red:     #ef4444;

  /* Gradients */
  --grad-brand:     linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
  --grad-success:   linear-gradient(135deg, #10d97e 0%, #00d4ff 100%);
  --grad-danger:    linear-gradient(135deg, #ef4444 0%, #f97316 100%);
  --grad-glass:     linear-gradient(135deg, rgba(255,255,255,0.07) 0%, rgba(255,255,255,0.02) 100%);

  /* Text */
  --text-primary:   #e8eaf0;
  --text-secondary: #8890a8;
  --text-muted:     #4a5070;
  --text-accent:    var(--accent-cyan);

  /* Typography — System Font Stack */
  --font-ui:  -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: ui-monospace, 'Cascadia Code', 'SF Mono', 'Fira Mono', monospace;

  /* Spacing scale */
  --sp-xs:  4px;
  --sp-sm:  8px;
  --sp-md:  16px;
  --sp-lg:  24px;
  --sp-xl:  36px;
  --sp-2xl: 56px;

  /* Radii */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 20px;
  --r-xl: 28px;

  /* Shadows */
  --shadow-card:    0 4px 40px rgba(0, 0, 0, 0.45), 0 1px 0 rgba(255,255,255,0.05) inset;
  --shadow-glow:    0 0 40px rgba(0, 212, 255, 0.15);
  --shadow-btn:     0 4px 16px rgba(0, 0, 0, 0.4);

  /* Transitions */
  --t-fast:   150ms ease;
  --t-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-spring: 350ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-ui);
  background-color: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.hidden { display: none !important; }

/* ── AMBIENT BACKGROUND ────────────────────────────────── */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.bg-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  animation: orb-drift 20s ease-in-out infinite alternate;
}

.bg-orb--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #00d4ff, transparent 70%);
  top: -15%; left: -10%;
  animation-duration: 22s;
}

.bg-orb--2 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #7c3aed, transparent 70%);
  bottom: -10%; right: -8%;
  animation-duration: 28s;
  animation-delay: -8s;
}

.bg-orb--3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, #10d97e, transparent 70%);
  top: 45%; left: 55%;
  opacity: 0.10;
  animation-duration: 35s;
  animation-delay: -15s;
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

@keyframes orb-drift {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(30px, -20px) scale(1.08); }
  100% { transform: translate(-20px, 40px) scale(0.95); }
}

/* ── HEADER ────────────────────────────────────────────── */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: var(--sp-md) var(--sp-lg);
  background: rgba(8, 10, 18, 0.8);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border-bottom: 1px solid var(--glass-border);
}

.header-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-md);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}

.brand-icon {
  font-size: 24px;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.brand-title {
  font-size: clamp(16px, 2.5vw, 20px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.2;
}

.brand-sub {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.header-badges {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  flex-shrink: 0;
}

/* ── BADGES ────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-xs);
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  border: 1px solid var(--glass-border);
}

.badge--offline {
  background: rgba(16, 217, 126, 0.1);
  border-color: rgba(16, 217, 126, 0.3);
  color: var(--accent-emerald);
}

.badge-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 6px var(--accent-emerald);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; box-shadow: 0 0 6px var(--accent-emerald); }
  50%       { opacity: 0.6; box-shadow: 0 0 14px var(--accent-emerald); }
}

.badge--version {
  background: rgba(0, 212, 255, 0.08);
  border-color: rgba(0, 212, 255, 0.25);
  color: var(--accent-cyan);
}

.badge--count {
  background: var(--accent-purple);
  border-color: transparent;
  color: #fff;
  font-size: 10px;
  padding: 2px 8px;
}

/* ── MAIN LAYOUT ───────────────────────────────────────── */
.main-layout {
  max-width: 960px;
  margin: 0 auto;
  padding: var(--sp-xl) var(--sp-lg) var(--sp-2xl);
  display: flex;
  flex-direction: column;
  gap: var(--sp-lg);
}

/* ── GLASS CARDS ───────────────────────────────────────── */
.glass-card {
  background: var(--grad-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-xl);
  padding: var(--sp-lg);
  box-shadow: var(--shadow-card);
  transition: border-color var(--t-normal), box-shadow var(--t-normal);
  animation: card-appear 0.4s ease both;
}

.glass-card:focus-within {
  border-color: var(--glass-border-bright);
}

@keyframes card-appear {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  margin-bottom: var(--sp-lg);
}

.card-icon {
  font-size: 18px;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  flex-shrink: 0;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  flex: 1;
}

.card-actions {
  display: flex;
  gap: var(--sp-xs);
  margin-left: auto;
}

/* ── FORM FIELDS ───────────────────────────────────────── */
.field-group {
  margin-bottom: var(--sp-md);
}

.field-group:last-child { margin-bottom: 0; }

.field-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
  margin-bottom: var(--sp-md);
}

.field-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: var(--sp-xs);
}

.field-label--inline {
  display: inline;
  vertical-align: middle;
}

.field-hint {
  font-size: 11px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-muted);
  margin-left: var(--sp-xs);
}

.field-input {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-sm);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 14px;
  outline: none;
  transition: border-color var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
  -webkit-appearance: none;
}

.field-input:focus {
  border-color: rgba(0, 212, 255, 0.5);
  background: rgba(0, 212, 255, 0.04);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.field-input::placeholder { color: var(--text-muted); }

.field-input option {
  background: var(--bg-surface-2);
  color: var(--text-primary);
}

.field-input--short { /* used in field-row */ }
.field-input--mono  { font-family: var(--font-mono); font-size: 13px; }
.field-input--tiny  { width: 72px; text-align: center; }

/* ── TOGGLE SWITCHES ───────────────────────────────────── */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-md);
  padding: var(--sp-sm) 0;
  border-top: 1px solid var(--glass-border);
  margin-top: var(--sp-md);
}

.toggle-info { flex: 1; }

.toggle-title {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.toggle-desc {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.toggle-switch {
  position: relative;
  display: flex;
  cursor: pointer;
  flex-shrink: 0;
}

.toggle-switch input { position: absolute; opacity: 0; width: 0; height: 0; }

.toggle-track {
  display: flex;
  align-items: center;
  width: 44px;
  height: 24px;
  background: rgba(255,255,255,0.08);
  border-radius: 99px;
  border: 1px solid var(--glass-border);
  padding: 2px;
  transition: background var(--t-normal), border-color var(--t-normal);
}

.toggle-thumb {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: transform var(--t-spring), background var(--t-normal), box-shadow var(--t-normal);
  flex-shrink: 0;
}

.toggle-switch input:checked + .toggle-track {
  background: rgba(0, 212, 255, 0.2);
  border-color: rgba(0, 212, 255, 0.5);
}

.toggle-switch input:checked + .toggle-track .toggle-thumb {
  transform: translateX(20px);
  background: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.6);
}

.toggle-switch:focus-within .toggle-track {
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.2);
}

/* ── DROP ZONE ─────────────────────────────────────────── */
.drop-zone {
  border: 2px dashed var(--glass-border);
  border-radius: var(--r-lg);
  padding: var(--sp-xl);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--t-normal), background var(--t-normal), box-shadow var(--t-normal);
  position: relative;
  user-select: none;
}

.drop-zone:hover,
.drop-zone:focus-visible {
  border-color: rgba(0, 212, 255, 0.5);
  background: rgba(0, 212, 255, 0.04);
  box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.08), inset 0 0 30px rgba(0, 212, 255, 0.03);
  outline: none;
}

.drop-zone.drag-over {
  border-color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.08);
  box-shadow: 0 0 0 4px rgba(0, 212, 255, 0.15), var(--shadow-glow);
  transform: scale(1.01);
}

.drop-zone__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-sm);
}

.drop-zone__icon {
  color: var(--text-muted);
  margin-bottom: var(--sp-xs);
  transition: color var(--t-normal), transform var(--t-spring);
}

.drop-zone:hover .drop-zone__icon,
.drop-zone.drag-over .drop-zone__icon {
  color: var(--accent-cyan);
  transform: translateY(-4px) scale(1.05);
}

.drop-zone__primary {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.drop-zone__secondary {
  font-size: 13px;
  color: var(--text-muted);
}

.drop-zone__formats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-xs);
  justify-content: center;
  margin-top: var(--sp-sm);
}

.format-tag {
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ── STATS PANEL ───────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--glass-border);
  border-radius: var(--r-md);
  overflow: hidden;
}

.stat-cell {
  background: var(--bg-surface);
  padding: var(--sp-md);
  text-align: center;
  transition: background var(--t-fast);
}

.stat-cell:hover { background: rgba(255,255,255,0.04); }

.stat-value {
  display: block;
  font-size: clamp(18px, 3vw, 24px);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-value[data-status="good"]    { background: var(--grad-success); -webkit-background-clip: text; background-clip: text; }
.stat-value[data-status="warning"] { background: linear-gradient(135deg, var(--accent-amber), #f97316); -webkit-background-clip: text; background-clip: text; }
.stat-value[data-status="danger"]  { background: var(--grad-danger); -webkit-background-clip: text; background-clip: text; }

.stat-label {
  display: block;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ── FILE LIST ─────────────────────────────────────────── */
.filelist-header {
  display: grid;
  grid-template-columns: 32px 1fr 28px 1fr 72px 48px;
  gap: var(--sp-sm);
  padding: var(--sp-sm) var(--sp-md);
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: var(--sp-sm);
}

.col {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.filelist-scroll {
  max-height: 400px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.filelist-scroll::-webkit-scrollbar { width: 4px; }
.filelist-scroll::-webkit-scrollbar-track { background: transparent; }
.filelist-scroll::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.12);
  border-radius: 99px;
}

/* File Item Row (injected by app.js) */
.file-item {
  display: grid;
  grid-template-columns: 32px 1fr 28px 1fr 72px 48px;
  gap: var(--sp-sm);
  align-items: center;
  padding: var(--sp-sm) var(--sp-md);
  border-radius: var(--r-sm);
  background: rgba(255,255,255,0.02);
  border: 1px solid transparent;
  transition: background var(--t-fast), border-color var(--t-fast);
  animation: item-appear 0.2s ease both;
}

@keyframes item-appear {
  from { opacity: 0; transform: translateX(-8px); }
  to   { opacity: 1; transform: translateX(0); }
}

.file-item:hover {
  background: rgba(255,255,255,0.045);
  border-color: var(--glass-border);
}

.file-item__index {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.file-item__old {
  font-size: 12px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--font-mono);
}

.file-item__arrow {
  color: var(--accent-cyan);
  font-size: 14px;
  text-align: center;
}

.file-item__new {
  font-size: 12px;
  color: var(--text-primary);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: var(--font-mono);
}

.file-item__size {
  font-size: 11px;
  color: var(--text-muted);
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.file-item__ep {
  font-size: 11px;
  font-weight: 700;
  color: var(--accent-cyan);
  text-align: center;
  font-variant-numeric: tabular-nums;
  background: rgba(0, 212, 255, 0.08);
  border-radius: 4px;
  padding: 2px 4px;
}

.file-item__ep--undetected {
  color: var(--accent-amber);
  background: rgba(245, 158, 11, 0.08);
}

/* Bulk edit row */
.bulk-edit-row {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  padding-top: var(--sp-md);
  border-top: 1px solid var(--glass-border);
  margin-top: var(--sp-md);
  flex-wrap: wrap;
}

/* ── EXPORT PANEL ──────────────────────────────────────── */
.export-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-md);
}

/* ── BUTTONS ───────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-sm);
  padding: 10px 18px;
  border: 1px solid var(--glass-border);
  border-radius: var(--r-sm);
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--t-fast), border-color var(--t-fast),
              transform var(--t-fast), box-shadow var(--t-fast);
  text-decoration: none;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

.btn:hover {
  background: rgba(255,255,255,0.09);
  border-color: var(--glass-border-bright);
}

.btn:active { transform: scale(0.97); }

.btn:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

/* Primary */
.btn--primary {
  background: var(--grad-brand);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3), var(--shadow-btn);
}

.btn--primary:hover {
  box-shadow: 0 6px 28px rgba(0, 212, 255, 0.45), var(--shadow-btn);
  background: linear-gradient(135deg, #18dcff 0%, #8a46f5 100%);
}

/* Glass */
.btn--glass {
  background: rgba(255,255,255,0.06);
  border-color: var(--glass-border);
}

/* Danger */
.btn--danger { color: var(--accent-red); border-color: rgba(239,68,68,0.3); }
.btn--danger:hover { background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.5); }

/* Icon-only */
.btn--icon {
  width: 32px; height: 32px;
  padding: 0;
  border-radius: var(--r-sm);
  font-size: 14px;
}

/* Small */
.btn--sm { padding: 6px 12px; font-size: 12px; }

/* Export buttons (taller, with sub-label) */
.btn--export {
  flex-direction: column;
  gap: 4px;
  padding: var(--sp-md);
  align-items: flex-start;
  height: auto;
}

.btn-icon { font-size: 18px; }
.btn-label { font-size: 13px; font-weight: 600; }
.btn-sub { font-size: 11px; color: var(--text-muted); font-weight: 400; }

.action-row { margin-top: var(--sp-md); display: flex; gap: var(--sp-sm); }

/* ── PROGRESS ──────────────────────────────────────────── */
.progress-wrap {
  margin-top: var(--sp-md);
}

.progress-bar {
  width: 100%;
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 99px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--grad-brand);
  border-radius: 99px;
  transition: width 200ms ease;
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

.progress-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: var(--sp-xs);
  text-align: center;
}

/* ── EMPTY STATE ───────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: var(--sp-2xl) var(--sp-xl);
}

.empty-state__icon {
  font-size: 56px;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: var(--sp-md);
  opacity: 0.5;
}

.empty-state__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-sm);
}

.empty-state__body {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
}

.empty-state__body strong {
  color: var(--accent-cyan);
  font-family: var(--font-mono);
}

/* ── TOASTS ────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: var(--sp-lg);
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  align-items: center;
  pointer-events: none;
}

.toast {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  padding: 10px 18px;
  border-radius: 99px;
  background: rgba(20, 25, 40, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  animation: toast-in 0.3s var(--t-spring) both;
  pointer-events: auto;
  white-space: nowrap;
  max-width: min(90vw, 400px);
}

.toast--success { border-color: rgba(16, 217, 126, 0.4); color: var(--accent-emerald); }
.toast--error   { border-color: rgba(239, 68, 68, 0.4);  color: var(--accent-red); }
.toast--info    { border-color: rgba(0, 212, 255, 0.4);  color: var(--accent-cyan); }

.toast.toast--exit { animation: toast-out 0.25s ease both; }

@keyframes toast-in  { from { opacity:0; transform:translateY(16px) scale(0.9); } to { opacity:1; transform:translateY(0) scale(1); } }
@keyframes toast-out { from { opacity:1; transform:translateY(0); } to { opacity:0; transform:translateY(8px); } }

/* ── FOOTER ────────────────────────────────────────────── */
.app-footer {
  text-align: center;
  padding: var(--sp-lg);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  border-top: 1px solid var(--glass-border);
}

/* ── RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 640px) {
  :root { --sp-lg: 16px; --sp-xl: 24px; }

  .header-inner { flex-wrap: wrap; gap: var(--sp-sm); }
  .brand-sub { display: none; }

  .field-row { grid-template-columns: 1fr 1fr; }
  .field-row > :nth-child(3) { grid-column: 1 / -1; }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  .export-grid { grid-template-columns: 1fr; }

  .filelist-header,
  .file-item {
    grid-template-columns: 24px 1fr 20px 1fr;
  }

  /* Hide size & ep columns on very small screens */
  .col--size, .col--ep,
  .file-item__size, .file-item__ep { display: none; }

  .drop-zone { padding: var(--sp-xl) var(--sp-md); }

  .bulk-edit-row { flex-wrap: wrap; }

  .toast { font-size: 12px; padding: 8px 14px; }
}

@media (max-width: 380px) {
  .brand-title { font-size: 14px; }
  .header-badges { display: none; }
}

/* ── PRINT ─────────────────────────────────────────────── */
@media print {
  .bg-mesh, .app-header, .app-footer,
  .drop-zone, .export-panel { display: none !important; }
  .glass-card { box-shadow: none; border: 1px solid #ccc; }
  body { background: white; color: black; }
}