* {
  box-sizing: border-box;
}

:root {
  --bg-primary: #0a0a0f;
  --bg-card: rgba(20, 20, 30, 0.85);
  --bg-input: rgba(15, 15, 25, 0.9);
  --bg-tag: rgba(255, 255, 255, 0.06);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-input: rgba(255, 255, 255, 0.1);
  --text-primary: #eef0f6;
  --text-secondary: #8b8fa3;
  --text-muted: #5c5f73;
  --text-dim: #3e4155;
  --accent: #5b8def;
  --accent-bg: rgba(91, 141, 239, 0.12);
  --accent-text: #7ba8ff;
  --accent-glow: rgba(91, 141, 239, 0.25);
  --btn-bg: linear-gradient(135deg, #5b8def 0%, #7c5bef 100%);
  --btn-bg-hover: linear-gradient(135deg, #6e9bf5 0%, #8e6ef5 100%);
  --btn-text: #fff;
  --error-bg: rgba(239, 68, 68, 0.1);
  --error-border: rgba(239, 68, 68, 0.3);
  --error-text: #f87171;
  --success-bg: rgba(52, 211, 153, 0.1);
  --success-border: rgba(52, 211, 153, 0.3);
  --success-text: #6ee7b7;
  --warning-bg: rgba(251, 191, 36, 0.1);
  --warning-border: rgba(251, 191, 36, 0.3);
  --warning-text: #fcd34d;
  --glass-blur: blur(20px);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
}

[data-theme="light"] {
  --bg-primary: #f0f2f7;
  --bg-card: rgba(255, 255, 255, 0.8);
  --bg-input: rgba(245, 247, 252, 0.95);
  --bg-tag: rgba(0, 0, 0, 0.04);
  --border-color: rgba(0, 0, 0, 0.08);
  --border-input: rgba(0, 0, 0, 0.12);
  --text-primary: #1a1d2e;
  --text-secondary: #5a5e73;
  --text-muted: #8b8fa3;
  --text-dim: #bcc0d0;
  --accent: #4a72d4;
  --accent-bg: rgba(74, 114, 212, 0.08);
  --accent-text: #4a72d4;
  --accent-glow: rgba(74, 114, 212, 0.15);
  --btn-bg: linear-gradient(135deg, #4a72d4 0%, #6a4ad4 100%);
  --btn-bg-hover: linear-gradient(135deg, #5a82e4 0%, #7a5ae4 100%);
  --btn-text: #fff;
  --error-bg: rgba(239, 68, 68, 0.06);
  --error-border: rgba(239, 68, 68, 0.2);
  --error-text: #dc2626;
  --success-bg: rgba(16, 185, 129, 0.06);
  --success-border: rgba(16, 185, 129, 0.2);
  --success-text: #059669;
  --warning-bg: rgba(245, 158, 11, 0.06);
  --warning-border: rgba(245, 158, 11, 0.2);
  --warning-text: #b45309;
  --glass-blur: blur(20px);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.1);
}

body {
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  transition: background 0.4s ease, color 0.4s ease;
  min-height: 100vh;
}

/* Subtle background gradient */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(91, 141, 239, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 100%, rgba(124, 91, 239, 0.06) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

[data-theme="light"] body::before,
html[data-theme="light"] body::before {
  background:
    radial-gradient(ellipse at 20% 0%, rgba(74, 114, 212, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 100%, rgba(106, 74, 212, 0.04) 0%, transparent 60%);
}

.container {
  max-width: 960px;
  margin: auto;
  padding: 48px 24px;
  position: relative;
  z-index: 1;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

h1 {
  font-size: 36px;
  margin-bottom: 6px;
  margin-top: 0;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-text) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  color: var(--text-secondary);
  margin-bottom: 32px;
  margin-top: 0;
  font-size: 15px;
  font-weight: 400;
}

/* GLASS CARDS */
.card {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.3s ease;
}

.input-label {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
}

.url-row {
  display: flex;
  gap: 10px;
}

.url-row input {
  flex: 1;
  margin-bottom: 0;
}

.url-row button {
  margin-top: 0;
  width: auto;
  white-space: nowrap;
  padding: 14px 28px;
}

input[type="url"],
input[type="text"] {
  width: 100%;
  padding: 14px 16px;
  margin-bottom: 15px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-input);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.3s ease;
}

input[type="url"]:focus,
input[type="text"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

input[type="file"] {
  display: none;
}

/* DROP ZONE */
.drop-zone {
  border: 2px dashed var(--border-input);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  margin-bottom: 15px;
  transition: border-color 0.2s ease, background 0.2s ease;
  cursor: pointer;
  position: relative;
}

.drop-zone:hover {
  border-color: var(--accent);
  background: var(--accent-bg);
}

.drop-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-bg);
  box-shadow: 0 0 0 4px var(--accent-glow);
}

.drop-zone-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
}

.drop-zone-icon {
  font-size: 20px;
}

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

.drop-zone-browse {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-text);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.drop-zone-browse:hover {
  color: var(--accent);
}

.drop-zone-input {
  display: none;
}

.or-text {
  color: var(--text-muted);
  margin-bottom: 10px;
  margin-top: 22px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-align: center;
  position: relative;
}

.or-text::before,
.or-text::after {
  content: '';
  position: absolute;
  top: 50%;
  width: calc(50% - 100px);
  height: 1px;
  background: var(--border-input);
}

.or-text::before { left: 0; }
.or-text::after { right: 0; }

textarea {
  width: 100%;
  height: 280px;
  resize: vertical;
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-input);
  border-radius: var(--radius-md);
  padding: 16px;
  font-size: 13px;
  line-height: 1.6;
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.3s ease;
}

/* BUTTONS */
.primary-btn {
  width: 100%;
  margin-top: 16px;
  padding: 14px 24px;
  border: none;
  border-radius: var(--radius-md);
  background: var(--btn-bg);
  color: var(--btn-text);
  font-weight: 600;
  font-size: 14px;
  font-family: inherit;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  box-shadow: 0 2px 12px var(--accent-glow);
  letter-spacing: 0.3px;
}

.primary-btn:hover {
  background: var(--btn-bg-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.primary-btn:active {
  transform: translateY(0);
}

.primary-btn.full-width {
  width: 100%;
}

.icon-btn {
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  cursor: pointer;
  font-size: 16px;
  color: var(--text-primary);
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease;
  line-height: 1;
}

.icon-btn:hover {
  background: var(--accent-bg);
  border-color: var(--accent);
  transform: translateY(-1px);
}

button {
  border: none;
  cursor: pointer;
}

/* LOADING */
.loading {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  margin-top: 16px;
  color: var(--accent-text);
  background: var(--accent-bg);
  border: 1px solid rgba(91, 141, 239, 0.15);
  border-radius: var(--radius-md);
  font-size: 14px;
  animation: fadeIn 0.3s ease;
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-input);
  border-top-color: var(--accent-text);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ERROR */
.error-message {
  margin-top: 16px;
  padding: 14px 18px;
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  border-radius: var(--radius-md);
  color: var(--error-text);
  font-size: 14px;
  animation: fadeIn 0.3s ease;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ERROR MODAL */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 24px;
}

.modal-overlay.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--error-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  max-width: 520px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  transform: scale(0.95) translateY(10px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.show .modal-box {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.modal-icon {
  font-size: 22px;
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--error-text);
}

.modal-body {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  white-space: pre-wrap;
  word-break: break-all;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px;
  max-height: 300px;
  overflow-y: auto;
}

.modal-close-btn {
  margin-top: 20px;
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-md);
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  color: var(--error-text);
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}

.modal-close-btn:hover {
  background: var(--error-border);
  color: #fff;
  transform: translateY(-1px);
}

/* HISTORY */
.history-container {
  margin: 12px 0 16px;
}

.history-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.history-item {
  background: var(--bg-input);
  border: 1px solid var(--border-input);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 12px;
  color: var(--accent-text);
  cursor: pointer;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.history-item:hover {
  background: var(--accent-bg);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.history-clear {
  background: none;
  border: none;
  color: var(--error-text);
  font-size: 11px;
  font-family: inherit;
  cursor: pointer;
  padding: 5px 8px;
  opacity: 0.7;
  transition: opacity 0.2s ease;
}

.history-clear:hover {
  opacity: 1;
}

/* RESULTS */
.results {
  margin-top: 24px;
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
  transition: background 0.4s ease, border-color 0.4s ease;
  animation: fadeIn 0.4s ease;
}

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

.results-header h2 {
  margin: 0;
}

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

h2 {
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.3px;
}

/* STAT CARDS */
.stat {
  padding: 16px;
  margin-bottom: 12px;
  background: var(--bg-input);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.15s ease, box-shadow 0.2s ease;
  overflow-wrap: break-word;
  word-break: break-word;
}

.stat:hover {
  border-color: var(--border-input);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.stat strong {
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat .stat-value {
  display: block;
  margin-top: 8px;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.empty-state {
  color: var(--text-dim);
  text-align: center;
  padding: 40px 20px;
  font-size: 15px;
}

/* TAGS */
.codec-tag {
  display: inline-block;
  background: var(--bg-tag);
  border: 1px solid var(--border-color);
  padding: 5px 12px;
  border-radius: 20px;
  margin: 3px;
  font-size: 12px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.codec-tag:hover {
  background: var(--accent-bg);
  border-color: var(--accent);
}

.resolution-tag {
  display: inline-block;
  background: var(--accent-bg);
  color: var(--accent-text);
  border: 1px solid rgba(91, 141, 239, 0.15);
  padding: 5px 12px;
  border-radius: 20px;
  margin: 3px;
  font-size: 12px;
  font-weight: 600;
  transition: background 0.2s ease;
}

.resolution-tag:hover {
  background: rgba(91, 141, 239, 0.2);
}

/* BADGES */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  vertical-align: middle;
  margin-left: 8px;
}

.badge-live {
  background: var(--error-bg);
  color: var(--error-text);
  border: 1px solid var(--error-border);
  animation: pulse-live 2s ease-in-out infinite;
}

@keyframes pulse-live {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.badge-vod {
  background: var(--success-bg);
  color: var(--success-text);
  border: 1px solid var(--success-border);
}

.badge-event {
  background: var(--warning-bg);
  color: var(--warning-text);
  border: 1px solid var(--warning-border);
}

.badge-encrypted {
  background: var(--warning-bg);
  color: var(--warning-text);
  border: 1px solid var(--warning-border);
}

.badge-video {
  background: var(--accent-bg);
  color: var(--accent-text);
  border: 1px solid rgba(91, 141, 239, 0.2);
}

.badge-audio {
  background: rgba(168, 85, 247, 0.1);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.2);
}

.badge-subtitle {
  background: var(--success-bg);
  color: var(--success-text);
  border: 1px solid var(--success-border);
}

[data-theme="light"] .badge-audio {
  background: rgba(147, 51, 234, 0.08);
  color: #7c3aed;
  border: 1px solid rgba(147, 51, 234, 0.15);
}

.badge-iframe {
  background: rgba(236, 72, 153, 0.1);
  color: #f472b6;
  border: 1px solid rgba(236, 72, 153, 0.2);
}

[data-theme="light"] .badge-iframe {
  background: rgba(219, 39, 119, 0.08);
  color: #be185d;
  border: 1px solid rgba(219, 39, 119, 0.15);
}

/* MEDIA TRACKS */
.media-tracks {
  margin-top: 24px;
}

.media-tracks h2 {
  font-size: 17px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

/* COLLAPSIBLE SECTIONS */
.collapsible-section {
  margin-top: 20px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.section-header {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  cursor: pointer;
  background: var(--bg-input);
  border-bottom: 1px solid var(--border-color);
  user-select: none;
  transition: background 0.2s ease;
  gap: 10px;
}

.section-header:hover {
  background: var(--bg-tag);
}

.section-arrow {
  font-size: 10px;
  color: var(--text-muted);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.collapsible-section.collapsed .section-arrow {
  transform: rotate(-90deg);
}

.section-header h2 {
  font-size: 15px;
  font-weight: 700;
  margin: 0;
  flex: 1;
  border: none;
  padding: 0;
}

.section-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 22px;
  padding: 0 8px;
  border-radius: 11px;
  background: var(--accent-bg);
  color: var(--accent-text);
  font-size: 11px;
  font-weight: 700;
  flex-shrink: 0;
}

.section-body {
  padding: 12px 16px;
  transition: max-height 0.3s ease, padding 0.3s ease;
  overflow: hidden;
}

.collapsible-section.collapsed .section-body {
  max-height: 0 !important;
  padding-top: 0;
  padding-bottom: 0;
  border-top: none;
}

/* JUMP NAVIGATION */
.jump-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  padding: 12px 16px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  align-items: center;
}

.jump-nav::before {
  content: "Jump to:";
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-right: 4px;
}

.jump-nav-item {
  background: var(--bg-tag);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.jump-nav-item:hover {
  background: var(--accent-bg);
  color: var(--accent-text);
  border-color: rgba(91, 141, 239, 0.3);
  transform: translateY(-1px);
}

/* COMPACT VARIANT TABLES */
.variant-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 12px;
}

.variant-table thead th {
  padding: 10px 12px;
  text-align: left;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  background: var(--bg-tag);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  white-space: nowrap;
}

.variant-table thead th:first-child {
  border-radius: var(--radius-sm) 0 0 0;
}

.variant-table thead th:last-child {
  border-radius: 0 var(--radius-sm) 0 0;
}

.variant-table tbody tr {
  transition: background 0.15s ease;
}

.variant-table tbody tr:hover {
  background: var(--bg-tag);
}

.variant-table tbody td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  vertical-align: middle;
}

.variant-table tbody tr:last-child td {
  border-bottom: none;
}

.table-codec {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 10px;
  font-family: 'JetBrains Mono', monospace;
  background: var(--bg-tag);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  margin: 1px 2px;
}

.table-load-btn {
  background: var(--accent-bg);
  border: 1px solid rgba(91, 141, 239, 0.2);
  border-radius: 6px;
  padding: 5px 14px;
  color: var(--accent-text);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.table-load-btn:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px var(--accent-glow);
}

.table-action-group {
  display: flex;
  gap: 4px;
  align-items: center;
}

.table-copy-btn {
  background: var(--bg-tag);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 5px 8px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1;
}

.table-copy-btn:hover {
  background: var(--accent-bg);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.table-bandwidth {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-secondary);
}

.variant-table-wrapper {
  max-height: 400px;
  overflow-y: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

/* SEGMENT URL TABLE */
.seg-index {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  min-width: 36px;
}

.seg-url-cell {
  max-width: 420px;
  overflow: hidden;
}

.seg-raw-path {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-secondary);
  word-break: break-all;
  display: block;
  line-height: 1.5;
}

.seg-copy-all {
  display: flex;
  justify-content: flex-end;
  padding: 12px 4px 4px;
}

.track-item {
  padding: 14px 16px;
  margin-bottom: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.track-item:hover {
  border-color: var(--border-input);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.track-item .track-type {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  background: var(--accent-bg);
  color: var(--accent-text);
  margin-right: 10px;
  vertical-align: middle;
}

.track-item .track-name {
  font-weight: 600;
  font-size: 14px;
  vertical-align: middle;
}

.track-item .track-details {
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.cc-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 18px;
  margin-bottom: 10px;
  font-weight: 600;
  letter-spacing: -0.2px;
}

.track-type-cc {
  background: var(--warning-bg) !important;
  color: var(--warning-text) !important;
  border: 1px solid var(--warning-border);
}

.track-type-sub {
  background: var(--success-bg) !important;
  color: var(--success-text) !important;
  border: 1px solid var(--success-border);
}

.track-type-video {
  background: var(--accent-bg) !important;
  color: var(--accent-text) !important;
  border: 1px solid rgba(91, 141, 239, 0.2);
}

.track-type-audio {
  background: rgba(168, 85, 247, 0.1) !important;
  color: #c084fc !important;
  border: 1px solid rgba(168, 85, 247, 0.2);
}

[data-theme="light"] .track-type-audio {
  background: rgba(147, 51, 234, 0.08) !important;
  color: #7c3aed !important;
  border: 1px solid rgba(147, 51, 234, 0.15);
}

.track-type-iframe {
  background: rgba(236, 72, 153, 0.1) !important;
  color: #f472b6 !important;
  border: 1px solid rgba(236, 72, 153, 0.2);
}

[data-theme="light"] .track-type-iframe {
  background: rgba(219, 39, 119, 0.08) !important;
  color: #be185d !important;
  border: 1px solid rgba(219, 39, 119, 0.15);
}

.track-type-drm {
  background: var(--warning-bg) !important;
  color: var(--warning-text) !important;
  border: 1px solid var(--warning-border);
}

/* LOW-LATENCY HLS */
.badge-ll {
  background: rgba(16, 185, 129, 0.1);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

[data-theme="light"] .badge-ll {
  background: rgba(5, 150, 105, 0.08);
  color: #059669;
  border: 1px solid rgba(5, 150, 105, 0.15);
}

.track-type-ll {
  background: rgba(16, 185, 129, 0.1) !important;
  color: #34d399 !important;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

[data-theme="light"] .track-type-ll {
  background: rgba(5, 150, 105, 0.08) !important;
  color: #059669 !important;
  border: 1px solid rgba(5, 150, 105, 0.15);
}

.ll-hls-section .section-header {
  border-left: 3px solid #34d399;
}

[data-theme="light"] .ll-hls-section .section-header {
  border-left: 3px solid #059669;
}

.ll-parts-table-wrap {
  margin-top: 12px;
}

/* DECODED PSSH */
.decode-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  background: var(--accent-bg);
  color: var(--accent-text);
  border: 1px solid rgba(91, 141, 239, 0.2);
  transition: all 0.2s ease;
}

.decode-toggle-btn:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px var(--accent-glow);
}

.decode-xml-btn {
  display: block;
  margin-top: 8px;
  background: var(--bg-tag);
  color: var(--text-secondary);
  border-color: var(--border-color);
}

.decode-xml-btn:hover {
  background: var(--accent-bg);
  color: var(--accent-text);
  border-color: rgba(91, 141, 239, 0.3);
}

.decoded-pssh-panel {
  margin-top: 4px;
}

.decoded-pssh-body {
  margin-top: 10px;
  padding: 14px;
  background: var(--bg-tag);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  animation: fadeIn 0.3s ease;
}

.decoded-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.decoded-table tr {
  border-bottom: 1px solid var(--border-color);
}

.decoded-table tr:last-child {
  border-bottom: none;
}

.decoded-label {
  padding: 7px 12px 7px 0;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  vertical-align: top;
  white-space: nowrap;
  width: 1%;
}

.decoded-value {
  padding: 7px 0;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 12px;
  word-break: break-all;
  white-space: pre-wrap;
}

.decoded-xml {
  margin-top: 6px;
  padding: 12px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 11px;
  line-height: 1.6;
  color: var(--accent-text);
  overflow-x: auto;
  max-height: 300px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.track-uri {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.track-uri-link {
  background: var(--accent-bg);
  border: 1px solid rgba(91, 141, 239, 0.2);
  border-radius: var(--radius-sm);
  padding: 7px 16px;
  color: var(--accent-text);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  letter-spacing: 0.3px;
}

.track-uri-link:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 2px 12px var(--accent-glow);
}

.track-uri-path {
  font-size: 11px;
  color: var(--text-muted);
  word-break: break-all;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* RAW MANIFEST */
.raw-content {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  overflow-x: auto;
  font-size: 12px;
  line-height: 1.7;
  max-height: 450px;
  overflow-y: auto;
  margin: 0;
  font-family: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
}

.raw-content .line-num {
  display: inline-block;
  width: 36px;
  color: var(--text-dim);
  user-select: none;
  text-align: right;
  margin-right: 20px;
  font-size: 11px;
}

.raw-content .tag-line {
  color: var(--accent-text);
}

.raw-content .url-line {
  color: var(--success-text);
}

.raw-content .comment-line {
  color: var(--text-muted);
  font-style: italic;
}

/* TOAST */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--bg-card);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 12px 28px;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  z-index: 1000;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* SCROLLBAR */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-input);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* FOCUS-VISIBLE */
.primary-btn:focus-visible,
.icon-btn:focus-visible,
.table-load-btn:focus-visible,
.jump-nav-item:focus-visible,
.track-uri-link:focus-visible,
.history-item:focus-visible,
.drop-zone-browse:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* AUTO-REFRESH BADGE */
.auto-refresh-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  background: var(--error-bg);
  color: var(--error-text);
  border: 1px solid var(--error-border);
  cursor: pointer;
  transition: background 0.2s ease;
  animation: pulse-live 2s ease-in-out infinite;
}

.auto-refresh-badge:hover {
  background: var(--error-border);
  color: #fff;
}

.auto-refresh-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--error-text);
  animation: pulse-live 1s ease-in-out infinite;
}

@keyframes refreshFlash {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
  50% { box-shadow: 0 0 15px 3px rgba(16, 185, 129, 0.2); }
  100% { box-shadow: none; }
}

.refresh-flash {
  animation: refreshFlash 0.6s ease;
}

@keyframes refreshFlashSubtle {
  0% { outline: 2px solid rgba(16, 185, 129, 0.5); outline-offset: 0; }
  100% { outline: 2px solid transparent; outline-offset: 4px; }
}

.refresh-flash-subtle {
  animation: refreshFlashSubtle 0.6s ease;
}

/* WARNING SECTION */
.warning-section .section-header {
  background: var(--warning-bg);
  border-color: var(--warning-border);
}

.warning-section .section-header h2 {
  color: var(--warning-text);
}

.warning-section .section-count {
  background: var(--warning-bg);
  color: var(--warning-text);
  border: 1px solid var(--warning-border);
}

.warning-item {
  padding: 10px 14px;
  margin-bottom: 6px;
  background: var(--warning-bg);
  border: 1px solid var(--warning-border);
  border-radius: var(--radius-sm);
  color: var(--warning-text);
  font-size: 13px;
  line-height: 1.5;
}

/* DURATION CHART */
.duration-chart {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  border: 1px solid var(--border-color);
}

/* RESPONSIVE */
@media (max-width: 600px) {
  .container {
    padding: 24px 14px;
  }

  h1 {
    font-size: 26px;
  }

  .subtitle {
    font-size: 13px;
  }

  .url-row {
    flex-direction: column;
    gap: 0;
  }

  .url-row input {
    margin-bottom: 10px;
  }

  .url-row button {
    width: 100%;
  }

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

  .results, .card {
    padding: 18px;
    border-radius: var(--radius-md);
  }

  textarea {
    height: 180px;
  }

  .header {
    flex-direction: column;
    gap: 12px;
  }

  .variant-table {
    font-size: 11px;
  }

  .variant-table thead th,
  .variant-table tbody td {
    padding: 6px 8px;
  }

  .jump-nav {
    gap: 6px;
    padding: 10px 12px;
  }

  .section-header {
    padding: 12px 14px;
  }
}