/* AnimSuite Pro - Premium Dark UI */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

:root {
  --bg-primary: #06080f;
  --bg-secondary: #0d1117;
  --bg-card: #141922;
  --bg-elevated: #1a2030;
  --border: #1e2a3a;
  --border-hover: #2d3f55;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #484f58;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.3);
  --purple: #a855f7;
  --green: #22c55e;
  --amber: #f59e0b;
  --red: #ef4444;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ===== HEADER ===== */
#app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 8, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.logo-text {
  font-size: 18px;
  font-weight: 400;
  letter-spacing: -0.3px;
}

.logo-text strong {
  font-weight: 700;
}

.header-nav {
  display: flex;
  gap: 4px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.nav-link.active {
  color: var(--accent-light);
}

.header-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  animation: pulse 2s infinite;
}

.status-dot.online {
  background: var(--green);
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.4;
  }
}

/* ===== PAGES ===== */
.page {
  display: none;
  max-width: 1280px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.page.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

/* ===== HERO ===== */
.hero {
  text-align: center;
  padding: 60px 0 48px;
  position: relative;
}

.hero-glow {
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(ellipse, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  filter: blur(60px);
}

.hero-title {
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 900;
  letter-spacing: -2px;
  position: relative;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--purple), var(--amber));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin-top: 8px;
  font-weight: 500;
}

.hero-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 12px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== MODULE CARDS ===== */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 16px;
}

.module-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.module-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08), rgba(168, 85, 247, 0.04));
  opacity: 0;
  transition: var(--transition);
}

.module-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.module-card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 48px;
  height: 48px;
  color: var(--accent-light);
  margin-bottom: 16px;
  position: relative;
}

.card-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  position: relative;
}

.card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  position: relative;
}

.card-tags {
  display: flex;
  gap: 6px;
  margin-top: 16px;
  flex-wrap: wrap;
  position: relative;
}

.tag {
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
  background: rgba(99, 102, 241, 0.12);
  color: var(--accent-light);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.card-arrow {
  position: absolute;
  top: 28px;
  right: 28px;
  font-size: 24px;
  color: var(--text-muted);
  transition: var(--transition);
}

.module-card:hover .card-arrow {
  color: var(--accent-light);
  transform: translateX(4px);
}

/* ===== FEATURES BAR ===== */
.features-bar {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 48px;
  padding: 20px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.feature-icon {
  font-size: 18px;
}

/* ===== PAGE HEADER ===== */
.page-header {
  margin-bottom: 32px;
}

.back-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  transition: var(--transition);
  margin-bottom: 16px;
}

.back-btn:hover {
  border-color: var(--accent);
  color: var(--accent-light);
}

.page-title {
  font-size: 28px;
  font-weight: 800;
}

.page-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ===== UPLOAD ZONE ===== */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  background: var(--bg-card);
}

.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--accent);
  background: rgba(99, 102, 241, 0.05);
}

.upload-zone.has-file {
  border-color: var(--green);
  border-style: solid;
}

.upload-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  color: var(--text-muted);
}

.upload-text {
  font-size: 15px;
  color: var(--text-secondary);
}

.upload-text strong {
  color: var(--text-primary);
}

.upload-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

.file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

/* ===== SIZE CARDS ===== */
.section-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-secondary);
}

.size-cards {
  display: flex;
  gap: 12px;
}

.size-card {
  flex: 1;
  cursor: pointer;
  position: relative;
}

.size-card input {
  display: none;
}

.size-card-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 16px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: var(--transition);
  text-align: center;
}

.size-card-inner strong {
  font-size: 18px;
}

.size-label {
  font-size: 11px;
  color: var(--text-muted);
}

.size-emoji {
  font-size: 20px;
}

.size-card input:checked~.size-card-inner,
.size-card.selected .size-card-inner {
  border-color: var(--accent);
  background: rgba(99, 102, 241, 0.1);
  box-shadow: 0 0 20px var(--accent-glow);
}

.size-cards.compact .size-card-inner {
  padding: 10px 8px;
}

.size-cards.compact .size-card-inner strong {
  font-size: 14px;
}

/* ===== BG SELECTOR ===== */
.bg-options {
  display: flex;
  gap: 16px;
}

.bg-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.bg-option input {
  display: none;
}

.bg-swatch {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  transition: var(--transition);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.bg-option input:checked~.bg-card-inner .bg-swatch,
.bg-option.selected .bg-swatch {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.bg-swatch.transparent { background: repeating-conic-gradient(#555 0% 25%, #666 0% 50%) 50% / 10px 10px; }
.bg-swatch.auto { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); display: flex; align-items: center; justify-content: center; font-size: 20px; }
.bg-swatch.green { background: #00ff00; }
.bg-swatch.black { background: #000000; }
.bg-swatch.white { background: #ffffff; }
.bg-swatch.nobackground { background: linear-gradient(135deg, #ef4444 0%, #f97316 100%); display: flex; align-items: center; justify-content: center; font-size: 20px; }

.bg-refinement {
  margin-top: 20px;
  padding: 16px;
  background: var(--bg-secondary);
  border-radius: 12px;
  border: 1px solid var(--border);
}

.range-group {
  margin-bottom: 12px;
}

.range-group label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.range-group input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}

.checkerboard-bg {
  background-image: linear-gradient(45deg, #1a1a1a 25%, transparent 25%),
    linear-gradient(-45deg, #1a1a1a 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #1a1a1a 75%),
    linear-gradient(-45deg, transparent 75%, #1a1a1a 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  background-color: #111;
}

/* ===== BUTTONS ===== */
.convert-btn {
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: white;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  margin-top: 24px;
}

.convert-btn:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--accent-glow);
}

.convert-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.convert-btn.loading .btn-text {
  opacity: 0;
}

.convert-btn.loading .btn-loader {
  display: block;
}

.btn-loader {
  display: none;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 24px;
  height: 24px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

.download-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--green), #16a34a);
  color: white;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 12px;
}

.download-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(34, 197, 94, 0.3);
}

/* ===== CONVERTER LAYOUT ===== */
.converter-layout {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.selector-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0;
}

.toggle-group {
  display: flex;
  background: var(--bg-secondary);
  padding: 4px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.toggle-btn {
  padding: 6px 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.toggle-btn input {
  display: none;
}

.toggle-btn.selected {
  background: var(--accent);
  color: white;
  box-shadow: 0 2px 10px var(--accent-glow);
}

.section-subtitle {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.size-selector,
.bg-selector {
  background: var(--bg-card);
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.smart-compression-panel {
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.08), rgba(20, 25, 34, 0.96));
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(99, 102, 241, 0.24);
}

.smart-compression-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.smart-compression-copy {
  margin: 6px 0 0;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.5;
  max-width: 680px;
}

.one-mb-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}

.one-mb-toggle input {
  display: none;
}

.one-mb-toggle-track {
  position: relative;
  width: 54px;
  height: 30px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.one-mb-toggle-track::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: white;
  transition: var(--transition);
}

.one-mb-toggle-text {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
}

.one-mb-toggle input:checked + .one-mb-toggle-track {
  background: linear-gradient(90deg, var(--accent), var(--purple));
  border-color: transparent;
  box-shadow: 0 0 18px var(--accent-glow);
}

.one-mb-toggle input:checked + .one-mb-toggle-track::after {
  transform: translateX(24px);
}

.one-mb-toggle input:checked ~ .one-mb-toggle-text {
  color: var(--accent-light);
}

.one-mb-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.one-mb-stat {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 15, 25, 0.55);
  border-radius: 14px;
  padding: 14px;
}

.one-mb-stat-label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.one-mb-stat strong {
  font-size: 18px;
  color: var(--text-primary);
}

.one-mb-status {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.audio-preview-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 15, 25, 0.45);
  border-radius: 12px;
  padding: 12px;
}

.audio-preview-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.audio-preview-note {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

/* ===== PROGRESS ===== */
/* JSON Viewer */
.json-viewer {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  max-height: 400px;
  overflow-y: auto;
  font-family: 'Monaco', 'Consolas', monospace;
  font-size: 0.85rem;
  line-height: 1.5;
  color: #a5b4fc;
}

.json-viewer pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-all;
}

.json-viewer code {
  display: block;
}

.json-viewer::-webkit-scrollbar {
  width: 8px;
}

.json-viewer::-webkit-scrollbar-track {
  background: transparent;
}

.json-viewer::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

.json-viewer::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Upload Preview */
.upload-preview-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  text-align: center;
}

.player-canvas {
  width: 100%;
  min-height: 300px;
  max-height: 420px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  margin: 1rem 0;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  box-sizing: border-box;
}

.player-canvas.opaque-preview {
  background: transparent;
}

.player-canvas canvas {
  max-width: 100%;
  max-height: 380px;
  width: auto;
  height: auto;
  display: block;
}

.player-canvas video {
  max-width: 100%;
  max-height: 380px;
  width: auto;
  height: auto;
  display: block;
  object-fit: contain;
}

.player-canvas img {
  max-width: 100%;
  max-height: 380px;
  width: auto;
  height: auto;
  object-fit: contain;
}

.player-canvas .media-preview-stage {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.player-canvas .media-preview-stage img,
.player-canvas .media-preview-stage video,
.player-canvas .media-preview-stage canvas {
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.preview-debug-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.preview-debug-card {
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  padding: 12px;
  text-align: left;
}

.preview-debug-card span {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.preview-debug-card strong {
  color: var(--text-primary);
  font-size: 14px;
}

.preview-debug-card strong.match-ok {
  color: #4ade80;
}

.preview-debug-card strong.match-bad {
  color: #fb7185;
}

.file-details {
  display: flex;
  justify-content: center;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.file-details span {
  padding: 4px 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
}

.result-area {
  margin-top: 24px;
  position: relative;
  z-index: 1;
  width: 100%;
}

.progress-bar-container {
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  width: 0;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  transition: width 0.5s ease;
}

.progress-step {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 8px;
  text-align: center;
}

/* ===== RESULT ===== */
.result-section {
  background: var(--bg-card);
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  margin-top: 16px;
  position: relative;
  z-index: 1;
}

.compression-summary {
  margin-bottom: 16px;
  padding: 16px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(99, 102, 241, 0.06);
}

.compression-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.compression-summary-card {
  padding: 14px;
  border-radius: 12px;
  background: rgba(10, 15, 25, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.compression-summary-card span {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.compression-summary-card strong {
  font-size: 18px;
  color: var(--text-primary);
}

.compression-summary-note {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.result-preview {
  margin-bottom: 16px;
  text-align: center;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 12px;
  padding: 1.5rem;
  overflow: hidden;
  max-height: 600px;
  width: 100%;
  position: relative;
}

.result-preview .preview-label {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.3px;
  z-index: 2;
}

.result-preview img {
  display: block;
  margin: 0 auto;
  max-width: 100%;
  max-height: 500px;
  object-fit: contain;
  border-radius: 8px;
  image-rendering: auto;
}

.result-info {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 12px;
  background: var(--bg-elevated);
  border-radius: 8px;
  margin-bottom: 12px;
}

/* ===== EDITOR ===== */
.editor-layout {
  display: grid;
  grid-template-columns: 240px 1fr 220px;
  gap: 16px;
  min-height: 600px;
}

.editor-toolbar,
.editor-export {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  overflow-y: auto;
}

.editor-toolbar h3,
.editor-export h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  margin-top: 16px;
}

.editor-toolbar h3:first-child,
.editor-export h3:first-child {
  margin-top: 0;
}

.upload-mini-zone {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
  cursor: pointer;
  position: relative;
  font-size: 13px;
  color: var(--text-muted);
  transition: var(--transition);
}

.upload-mini-zone:hover {
  border-color: var(--accent);
  color: var(--accent-light);
}

.layers-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 8px;
}

.layer-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border-radius: 6px;
  background: var(--bg-elevated);
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
}

.layer-item:hover,
.layer-item.active {
  background: rgba(99, 102, 241, 0.15);
}

.layer-thumb {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  object-fit: cover;
  background: var(--bg-primary);
}

.layer-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layer-delete {
  background: none;
  border: none;
  color: var(--red);
  cursor: pointer;
  font-size: 14px;
  padding: 2px 4px;
}

/* Effects */
.effects-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.effect-btn {
  padding: 8px 4px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: 11px;
  cursor: pointer;
  transition: var(--transition);
}

.effect-btn:hover {
  border-color: var(--accent);
  color: var(--accent-light);
}

.editor-settings {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.editor-settings label {
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.editor-settings input,
.editor-settings select {
  width: 80px;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 12px;
}

/* Canvas */
.editor-canvas-wrapper {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.canvas-container {
  flex: 1;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
  background-image: linear-gradient(45deg, #1a1a2e 25%, transparent 25%),
    linear-gradient(-45deg, #1a1a2e 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #1a1a2e 75%),
    linear-gradient(-45deg, transparent 75%, #1a1a2e 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  background-color: #12121f;
  display: flex;
  align-items: center;
  justify-content: center;
}

#editor-canvas {
  max-width: 100%;
  max-height: 100%;
}

.canvas-controls {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.ctrl-btn {
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}

.ctrl-btn:hover {
  border-color: var(--accent);
  color: var(--accent-light);
}

/* Timeline */
.timeline-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: var(--bg-card);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.timeline-track {
  flex: 1;
  height: 4px;
  background: var(--bg-elevated);
  border-radius: 2px;
  position: relative;
  cursor: pointer;
}

.timeline-cursor {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  position: absolute;
  top: -4px;
  left: 0;
  transition: left 0.1s;
  box-shadow: 0 0 8px var(--accent-glow);
}

.timeline-time {
  font-size: 12px;
  color: var(--text-muted);
  min-width: 40px;
}

/* Export */
.export-format {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.format-option {
  flex: 1;
  cursor: pointer;
  text-align: center;
}

.format-option input {
  display: none;
}

.format-option span {
  display: block;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
}

.format-option input:checked~span {
  border-color: var(--accent);
  background: rgba(99, 102, 241, 0.1);
  color: var(--accent-light);
}

.export-btn {
  margin-top: 16px;
}

.export-result {
  margin-top: 16px;
}

/* ===== TOAST ===== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-primary);
  box-shadow: var(--shadow);
  animation: slideInToast 0.3s ease;
  max-width: 360px;
}

.toast.success {
  border-color: var(--green);
}

.toast.error {
  border-color: var(--red);
}

@keyframes slideInToast {
  from {
    opacity: 0;
    transform: translateX(20px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .editor-layout {
    grid-template-columns: 1fr;
  }

  .editor-toolbar,
  .editor-export {
    order: 0;
  }

  .features-bar {
    flex-wrap: wrap;
    gap: 16px;
  }

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

  .header-nav {
    display: none;
  }
}

/* ===== NEW BUTTONS & ACTIONS ===== */
.header-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.new-file-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--accent-light);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.new-file-btn:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
}

.remove-file-btn {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: var(--red);
  padding: 4px 12px;
  border-radius: 6px;
  font-size: 11px;
  margin-top: 12px;
  cursor: pointer;
  transition: var(--transition);
}

.remove-file-btn:hover {
  background: var(--red);
  color: white;
}

.secondary-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 12px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  margin-top: 8px;
  transition: var(--transition);
}

.secondary-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
}

/* ===== FORMAT SELECTOR ===== */
.format-selector {
  background: var(--bg-card);
  padding: 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.format-options {
  display: flex;
  gap: 12px;
}

.format-option {
  flex: 1;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.format-option input {
  display: none;
}

.format-option:hover {
  border-color: var(--border-hover);
}

.format-option.selected {
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--accent);
  color: var(--accent-light);
}

/* ===== RECENT CONVERSIONS (FILE MANAGER) ===== */
.recent-conversions {
  margin-top: 48px;
  padding: 24px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  animation: slideUp 0.4s ease;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.clear-history-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  transition: var(--transition);
}

.clear-history-btn:hover {
  color: var(--red);
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.history-item:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
}

.history-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.history-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.history-actions {
  display: flex;
  gap: 8px;
}

.history-btn {
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.history-btn.dl {
  background: var(--accent);
  border: none;
  color: white;
}

.history-btn.del {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 32px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
}

.history-btn.del:hover {
  color: var(--red);
  border-color: var(--red);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== AUTO STATUS ===== */
.auto-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px;
  background: rgba(99, 102, 241, 0.1);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  margin-top: 16px;
  color: var(--accent-light);
  font-size: 14px;
  font-weight: 600;
  animation: pulse 2s infinite;
}

.status-icon {
  font-size: 18px;
}

/* ===== SETTINGS & TOGGLES ===== */
.audio-selector {
  margin-top: 24px;
  padding: 16px;
  background: var(--bg-elevated);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.custom-checkbox {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  user-select: none;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
}

.custom-checkbox:hover {
  color: var(--text-primary);
}

.custom-checkbox input {
  display: none;
}

.checkmark {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  border: 2px solid var(--text-muted);
  position: relative;
  transition: var(--transition);
}

.custom-checkbox input:checked+.checkmark {
  background: var(--accent);
  border-color: var(--accent);
}

.checkmark::after {
  content: "";
  position: absolute;
  display: none;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.custom-checkbox input:checked+.checkmark::after {
  display: block;
}