/* ============================================
   LINE 貼圖轉換工具 — Design System
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Noto+Sans+TC:wght@300;400;500;700&display=swap');

/* ── CSS Variables ── */
:root {
  /* Colors */
  --clr-bg:           #0b0b18;
  --clr-bg-alt:       #11112a;
  --clr-surface:      rgba(255, 255, 255, 0.04);
  --clr-surface-hov:  rgba(255, 255, 255, 0.08);
  --clr-border:       rgba(255, 255, 255, 0.09);
  --clr-border-hov:   rgba(167, 139, 250, 0.4);

  --clr-primary:      #7c3aed;
  --clr-primary-lt:   #a78bfa;
  --clr-accent:       #10b981;
  --clr-accent-lt:    #34d399;
  --clr-danger:       #f87171;
  --clr-warn:         #fbbf24;

  --grad-main:        linear-gradient(135deg, #7c3aed 0%, #10b981 100%);
  --grad-card:        linear-gradient(135deg, rgba(124,58,237,0.15) 0%, rgba(16,185,129,0.08) 100%);
  --grad-glow-purple: radial-gradient(ellipse at 20% 50%, rgba(124,58,237,0.25) 0%, transparent 60%);
  --grad-glow-green:  radial-gradient(ellipse at 80% 50%, rgba(16,185,129,0.18) 0%, transparent 60%);

  --clr-text:         #f1f0ff;
  --clr-text-muted:   #8b8aaa;
  --clr-text-faint:   #4b4a6a;

  /* Spacing */
  --sp-xs:  4px;
  --sp-sm:  8px;
  --sp-md:  16px;
  --sp-lg:  24px;
  --sp-xl:  40px;
  --sp-2xl: 64px;

  /* Radius */
  --r-sm:  8px;
  --r-md:  12px;
  --r-lg:  20px;
  --r-xl:  28px;

  /* Shadow */
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 24px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 32px rgba(124,58,237,0.3);
  --shadow-glow-green: 0 0 24px rgba(16,185,129,0.25);

  /* Transition */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 150ms;
  --dur-med:  280ms;
  --dur-slow: 480ms;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Outfit', 'Noto Sans TC', sans-serif;
  background: var(--clr-bg);
  color: var(--clr-text);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Background Glow ── */
body::before,
body::after {
  content: '';
  position: fixed;
  pointer-events: none;
  z-index: 0;
}
body::before {
  inset: 0;
  background: var(--grad-glow-purple);
}
body::after {
  inset: 0;
  background: var(--grad-glow-green);
}

/* ── Layout ── */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--sp-lg);
  position: relative;
  z-index: 1;
}

/* ── Header ── */
.site-header {
  padding: var(--sp-lg) 0;
  border-bottom: 1px solid var(--clr-border);
  background: rgba(11, 11, 24, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}
.logo-icon {
  width: 44px;
  height: 44px;
  background: var(--grad-main);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  box-shadow: var(--shadow-glow);
  flex-shrink: 0;
}
.logo-text h1 {
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}
.logo-text p {
  font-size: 0.72rem;
  color: var(--clr-text-muted);
  font-weight: 400;
}
.header-badge {
  margin-left: auto;
  display: flex;
  gap: var(--sp-sm);
}
.badge {
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.badge-green  { background: rgba(16,185,129,0.15); color: var(--clr-accent-lt); border: 1px solid rgba(16,185,129,0.3); }
.badge-purple { background: rgba(124,58,237,0.15); color: var(--clr-primary-lt); border: 1px solid rgba(124,58,237,0.3); }

/* ── Main Content ── */
.main-content {
  padding: var(--sp-xl) 0 var(--sp-2xl);
  display: grid;
  gap: var(--sp-lg);
}

/* ── Top Row: Controls + Upload ── */
.top-row {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: var(--sp-lg);
  align-items: start;
}

/* ── Glass Card ── */
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  padding: var(--sp-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: border-color var(--dur-med) var(--ease),
              box-shadow var(--dur-med) var(--ease);
}
.card:hover {
  border-color: var(--clr-border-hov);
}
.card-title {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-primary-lt);
  margin-bottom: var(--sp-md);
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}
.card-title::before {
  content: '';
  display: block;
  width: 3px;
  height: 14px;
  background: var(--grad-main);
  border-radius: 2px;
}

/* ── Form Controls ── */
.form-group {
  margin-bottom: var(--sp-md);
}
.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-xs);
}
.form-label span {
  color: var(--clr-text-faint);
  font-size: 0.72rem;
  font-weight: 400;
}

select, input[type="number"], input[type="color"], input[type="range"] {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  color: var(--clr-text);
  font-family: inherit;
  font-size: 0.88rem;
  outline: none;
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
  -webkit-appearance: none;
  appearance: none;
}
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238b8aaa' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}
select:focus, input[type="number"]:focus {
  border-color: var(--clr-primary-lt);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}
select option {
  background: #1a1a2e;
  color: var(--clr-text);
}

input[type="number"] { -moz-appearance: textfield; }
input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; }

/* Custom size row */
.size-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--sp-sm);
  align-items: center;
}
.size-sep { color: var(--clr-text-muted); text-align: center; font-size: 0.9rem; }

/* Toggle row */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-sm);
}
.toggle-label {
  font-size: 0.82rem;
  color: var(--clr-text-muted);
}

/* Toggle switch */
.toggle {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  border-radius: 100px;
  cursor: pointer;
  transition: background var(--dur-fast);
  border: 1px solid var(--clr-border);
}
.toggle-slider::after {
  content: '';
  position: absolute;
  left: 3px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--clr-text-muted);
  transition: transform var(--dur-fast) var(--ease), background var(--dur-fast);
}
.toggle input:checked + .toggle-slider {
  background: rgba(16,185,129,0.25);
  border-color: var(--clr-accent);
}
.toggle input:checked + .toggle-slider::after {
  transform: translateY(-50%) translateX(20px);
  background: var(--clr-accent-lt);
}

/* Padding slider */
.range-row {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}
input[type="range"] {
  flex: 1;
  padding: 0;
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 100px;
  border: none;
  cursor: pointer;
  accent-color: var(--clr-primary-lt);
}
.range-val {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--clr-primary-lt);
  min-width: 38px;
  text-align: right;
}

/* Color input row */
.color-row {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}
input[type="color"] {
  width: 42px;
  height: 42px;
  padding: 4px;
  border-radius: var(--r-sm);
  cursor: pointer;
  flex-shrink: 0;
}
.color-hex {
  flex: 1;
  font-size: 0.82rem;
  font-family: 'Outfit', monospace;
}

/* Radio group */
.radio-group {
  display: flex;
  gap: var(--sp-sm);
}
.radio-btn {
  flex: 1;
  position: relative;
}
.radio-btn input { position: absolute; opacity: 0; }
.radio-btn label {
  display: block;
  text-align: center;
  padding: 8px;
  border: 1px solid var(--clr-border);
  border-radius: var(--r-sm);
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  cursor: pointer;
  transition: all var(--dur-fast);
}
.radio-btn input:checked + label {
  border-color: var(--clr-primary-lt);
  background: rgba(124,58,237,0.15);
  color: var(--clr-primary-lt);
}
.radio-btn label:hover {
  border-color: var(--clr-border-hov);
  color: var(--clr-text);
}

/* Divider */
.divider {
  height: 1px;
  background: var(--clr-border);
  margin: var(--sp-md) 0;
}

/* ── Upload Zone ── */
.upload-zone {
  border: 2px dashed var(--clr-border);
  border-radius: var(--r-xl);
  padding: var(--sp-xl) var(--sp-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-md);
  cursor: pointer;
  transition: all var(--dur-med) var(--ease);
  background: var(--clr-surface);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  min-height: 240px;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.upload-zone::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: var(--grad-main);
  opacity: 0;
  transition: opacity var(--dur-med);
  z-index: -1;
  padding: 2px;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}
.upload-zone:hover,
.upload-zone.drag-over {
  border-color: transparent;
  background: rgba(124,58,237,0.1);
  box-shadow: var(--shadow-glow);
}
.upload-zone:hover::before,
.upload-zone.drag-over::before {
  opacity: 1;
}
.upload-zone.drag-over {
  transform: scale(1.01);
}
.upload-icon {
  width: 72px;
  height: 72px;
  background: var(--grad-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  transition: transform var(--dur-med) var(--ease);
}
.upload-zone:hover .upload-icon {
  transform: translateY(-4px) scale(1.05);
}
.upload-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--clr-text);
}
.upload-sub {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
  line-height: 1.5;
}
.upload-types {
  display: flex;
  gap: var(--sp-xs);
  flex-wrap: wrap;
  justify-content: center;
}
.type-tag {
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
}
.upload-btn {
  padding: 10px 28px;
  background: var(--grad-main);
  border: none;
  border-radius: 100px;
  color: white;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity var(--dur-fast), transform var(--dur-fast), box-shadow var(--dur-fast);
  box-shadow: 0 4px 16px rgba(124,58,237,0.4);
}
.upload-btn:hover {
  opacity: 0.88;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(124,58,237,0.5);
}
.upload-btn:active { transform: translateY(0); }
#file-input { display: none; }

/* ── Stats Bar ── */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-md);
}
.stat-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  padding: var(--sp-md) var(--sp-lg);
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  transition: border-color var(--dur-med), box-shadow var(--dur-med);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.stat-card.ok    { border-color: rgba(16,185,129,0.35); background: rgba(16,185,129,0.06); }
.stat-card.warn  { border-color: rgba(251,191,36,0.35);  background: rgba(251,191,36,0.06); }
.stat-card.error { border-color: rgba(248,113,113,0.35); background: rgba(248,113,113,0.06); }
.stat-icon { font-size: 1.5rem; }
.stat-body { display: flex; flex-direction: column; }
.stat-value {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { font-size: 0.72rem; color: var(--clr-text-muted); margin-top: 2px; }

/* ── Action Bar ── */
.action-bar {
  display: flex;
  gap: var(--sp-sm);
  align-items: center;
  flex-wrap: wrap;
}
.action-bar .spacer { flex: 1; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-sm);
  padding: 12px 24px;
  border-radius: 100px;
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  pointer-events: none;
}
.btn-primary {
  background: var(--grad-main);
  color: white;
  box-shadow: 0 4px 16px rgba(124,58,237,0.4);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(124,58,237,0.55);
}
.btn-secondary {
  background: rgba(16,185,129,0.15);
  color: var(--clr-accent-lt);
  border: 1px solid rgba(16,185,129,0.35);
}
.btn-secondary:hover {
  background: rgba(16,185,129,0.25);
  box-shadow: var(--shadow-glow-green);
}
.btn-ghost {
  background: var(--clr-surface);
  color: var(--clr-text-muted);
  border: 1px solid var(--clr-border);
}
.btn-ghost:hover {
  background: var(--clr-surface-hov);
  color: var(--clr-text);
  border-color: var(--clr-border-hov);
}
.btn-danger {
  background: rgba(248,113,113,0.12);
  color: var(--clr-danger);
  border: 1px solid rgba(248,113,113,0.3);
}
.btn-danger:hover {
  background: rgba(248,113,113,0.22);
}
.btn .btn-icon { font-size: 1rem; }

/* ── Preview Grid ── */
.preview-section {}
.preview-header {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
  margin-bottom: var(--sp-md);
}
.preview-header h2 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--clr-text-muted);
}
.preview-count {
  padding: 3px 10px;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--clr-primary-lt);
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: var(--sp-md);
}

/* Empty State */
.empty-state {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-md);
  padding: var(--sp-xl) 0;
  color: var(--clr-text-faint);
}
.empty-state .es-icon { font-size: 3rem; opacity: 0.4; }
.empty-state p { font-size: 0.85rem; }

/* Preview Card */
.preview-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all var(--dur-med) var(--ease);
  position: relative;
  cursor: default;
  animation: cardIn var(--dur-slow) var(--ease) both;
}
@keyframes cardIn {
  from { opacity: 0; transform: scale(0.9) translateY(12px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.preview-card:hover {
  border-color: var(--clr-border-hov);
  box-shadow: var(--shadow-md), 0 0 24px rgba(124,58,237,0.15);
  transform: translateY(-2px);
}
.preview-card.processing { border-color: rgba(124,58,237,0.5); }
.preview-card.success    { border-color: rgba(16,185,129,0.4); }
.preview-card.error-card { border-color: rgba(248,113,113,0.4); }

.card-thumb {
  width: 100%;
  aspect-ratio: 370 / 320;
  object-fit: contain;
  background: repeating-conic-gradient(rgba(255,255,255,0.04) 0% 25%, transparent 0% 50%) 0 0 / 16px 16px;
  display: block;
}
.card-info {
  padding: var(--sp-sm) var(--sp-md);
  border-top: 1px solid var(--clr-border);
}
.card-name {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--clr-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}
.card-meta {
  font-size: 0.65rem;
  color: var(--clr-text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 4px;
}
.card-status {
  font-size: 0.62rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 100px;
}
.card-status.ok     { background: rgba(16,185,129,0.15);  color: var(--clr-accent-lt); }
.card-status.warn   { background: rgba(251,191,36,0.15);   color: var(--clr-warn); }
.card-status.error  { background: rgba(248,113,113,0.15);  color: var(--clr-danger); }
.card-status.loading { background: rgba(124,58,237,0.15); color: var(--clr-primary-lt); }

.card-actions {
  display: flex;
  gap: 4px;
  padding: 0 var(--sp-sm) var(--sp-sm);
}
.card-btn {
  flex: 1;
  padding: 5px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-sm);
  color: var(--clr-text-muted);
  font-size: 0.7rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--dur-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
}
.card-btn:hover { background: var(--clr-surface-hov); color: var(--clr-text); border-color: var(--clr-border-hov); }
.card-btn.del:hover { background: rgba(248,113,113,0.12); color: var(--clr-danger); border-color: rgba(248,113,113,0.3); }

/* Processing overlay */
.card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11,11,24,0.75);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-sm);
  backdrop-filter: blur(4px);
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--dur-med);
  pointer-events: none;
}
.preview-card.processing .card-overlay { opacity: 1; }
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid rgba(124,58,237,0.3);
  border-top-color: var(--clr-primary-lt);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Progress Toast ── */
.toast-container {
  position: fixed;
  bottom: var(--sp-lg);
  right: var(--sp-lg);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: var(--sp-sm);
  pointer-events: none;
}
.toast {
  background: rgba(17,17,42,0.95);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  padding: var(--sp-md);
  min-width: 280px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  pointer-events: all;
  animation: toastIn var(--dur-med) var(--ease) both;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
.toast.hide {
  animation: toastOut var(--dur-med) var(--ease) forwards;
}
@keyframes toastOut {
  to { opacity: 0; transform: translateX(40px); }
}
.toast-title {
  font-size: 0.82rem;
  font-weight: 600;
  margin-bottom: var(--sp-xs);
}
.toast-progress {
  height: 4px;
  background: rgba(255,255,255,0.1);
  border-radius: 100px;
  overflow: hidden;
}
.toast-progress-bar {
  height: 100%;
  background: var(--grad-main);
  border-radius: 100px;
  transition: width 0.3s var(--ease);
}
.toast-sub {
  font-size: 0.72rem;
  color: var(--clr-text-muted);
  margin-top: 4px;
}

/* ── Spec Info Section ── */
.spec-section {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  padding: var(--sp-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--sp-sm);
  margin-top: var(--sp-md);
}
.spec-item {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  padding: var(--sp-sm) var(--sp-md);
}
.spec-item-label { font-size: 0.7rem; color: var(--clr-text-muted); margin-bottom: 2px; }
.spec-item-value { font-size: 0.85rem; font-weight: 600; color: var(--clr-text); }

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--clr-border);
  padding: var(--sp-lg) 0;
  text-align: center;
  font-size: 0.75rem;
  color: var(--clr-text-faint);
  position: relative;
  z-index: 1;
}
.site-footer a { color: var(--clr-primary-lt); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }

/* ── Responsive ── */
@media (max-width: 900px) {
  .top-row { grid-template-columns: 1fr; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .stats-bar { grid-template-columns: 1fr 1fr; }
  .header-badge { display: none; }
  .preview-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
  .action-bar { flex-direction: column; align-items: stretch; }
  .action-bar .spacer { display: none; }
  .btn { justify-content: center; }
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 100px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ── Selection ── */
::selection { background: rgba(124,58,237,0.35); color: var(--clr-text); }