:root {
  --bg-primary: #0b0f19;
  --bg-card: #131b2e;
  --bg-input: #1a243b;
  --border-color: #23314f;
  --border-focus: #3b82f6;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent-blue: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-cyan: #06b6d4;
  --accent-green: #10b981;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --card-radius: 16px;
  --transition: all 0.2s ease-in-out;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 12px 10px;
  width: 100%;
}

.container-wide {
  max-width: 1000px;
  margin: 0 auto;
  padding: 12px 10px;
  width: 100%;
}

/* Header */
.app-header {
  border-bottom: 1px solid var(--border-color);
  background: rgba(19, 27, 46, 0.85);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  max-width: 1000px;
  margin: 0 auto;
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: inherit;
}

.logo-badge {
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  color: #fff;
  font-weight: 700;
  font-size: 15px;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text h1 {
  font-size: 15px;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: 6px;
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  color: var(--text-muted);
  border: 1px solid var(--border-color);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
}

.nav-btn:hover {
  color: #fff;
  border-color: var(--border-focus);
  background: var(--bg-input);
}

.nav-btn.active {
  color: #fff;
  background: var(--accent-blue);
  border-color: var(--accent-blue);
}

/* Compact Box */
.compact-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 14px;
}

@media (min-width: 640px) {
  .compact-box {
    padding: 20px;
  }
}

.check-bar {
  margin-bottom: 14px;
  position: relative;
}

.check-results {
  margin-top: 8px;
  background: #0f172a;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 6px;
  max-height: 220px;
  overflow-y: auto;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 12px 0 6px 0;
}

.section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.link-btn {
  background: none;
  border: none;
  color: #38bdf8;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}

.link-btn:hover {
  text-decoration: underline;
}

.athlete-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
}

.athlete-city-col {
  grid-column: 1 / -1;
}

.form-group-compact {
  margin: 0;
}

/* Compact Slots */
.compact-slots {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.compact-slot-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 5px 8px;
  min-height: 44px;
  transition: var(--transition);
}

.compact-slot-row.has-file {
  border-color: #3b82f6;
  background: rgba(37, 99, 235, 0.06);
}

.slot-tag {
  width: 32px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  font-weight: 700;
  font-size: 11px;
  flex-shrink: 0;
}

.tag-kp {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.tag-pp {
  background: rgba(168, 85, 247, 0.2);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.tag-other {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.slot-picker {
  flex: 1;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed #334155;
  border-radius: 6px;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.15);
  transition: var(--transition);
}

.slot-picker:hover, .slot-picker.dragover {
  border-color: var(--accent-blue);
  background: rgba(37, 99, 235, 0.08);
}

.slot-picker-label {
  font-size: 12px;
  color: var(--text-muted);
}

.slot-selected {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
}

.mini-play-btn {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #2563eb;
  border: none;
  color: #fff;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

.slot-file-name {
  flex: 1;
  font-size: 12px;
  color: #f1f5f9;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.slot-file-size {
  font-size: 11px;
  color: #94a3b8;
  flex-shrink: 0;
}

.mini-del-btn {
  background: none;
  border: none;
  color: #94a3b8;
  font-size: 13px;
  cursor: pointer;
  padding: 4px;
}

.mini-del-btn:hover {
  color: #ef4444;
}

.compact-preview {
  background: #0d1424;
  border: 1px solid #1e293b;
  border-radius: 8px;
  padding: 8px 10px;
  margin-top: 10px;
}

.preview-mini-title {
  font-size: 10px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  font-weight: 700;
  margin-bottom: 4px;
}

.btn-block {
  width: 100%;
}

.card-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* Form inputs */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

@media (max-width: 640px) {
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: #cbd5e1;
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 15px;
  outline: none;
  transition: var(--transition);
}

.form-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.form-input::placeholder {
  color: #64748b;
}

/* Program Slot Card */
.program-slots {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 12px;
}

.slot-card {
  background: rgba(26, 36, 59, 0.6);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  position: relative;
  transition: var(--transition);
}

.slot-card.has-file {
  border-color: #3b82f6;
  background: rgba(37, 99, 235, 0.05);
}

.slot-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.slot-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  background: #1e293b;
  color: #93c5fd;
  border: 1px solid #334155;
}

.slot-remove-btn {
  background: transparent;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  padding: 4px;
  font-size: 16px;
  border-radius: 4px;
}

.slot-remove-btn:hover {
  color: #ef4444;
}

/* Dropzone */
.dropzone {
  border: 2px dashed var(--border-color);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  background: rgba(11, 15, 25, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--border-focus);
  background: rgba(59, 130, 246, 0.08);
}

.dropzone-icon {
  font-size: 28px;
  color: #60a5fa;
}

.dropzone-text {
  font-size: 14px;
  color: #cbd5e1;
}

.dropzone-hint {
  font-size: 12px;
  color: #64748b;
}

.file-preview {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: #0f172a;
  padding: 12px 14px;
  border-radius: 8px;
  margin-top: 10px;
  border: 1px solid var(--border-color);
}

.file-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}

.file-name {
  font-size: 13px;
  font-weight: 500;
  color: #f1f5f9;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-meta {
  font-size: 11px;
  color: #94a3b8;
}

.file-audio-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.audio-preview-btn {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: #f8fafc;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.audio-preview-btn:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
}

/* Mask Preview Widget */
.preview-widget {
  background: #0d1424;
  border: 1px solid #1e293b;
  border-radius: 12px;
  padding: 16px;
  margin-top: 20px;
}

.preview-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
  font-weight: 700;
  margin-bottom: 8px;
}

.mask-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 8px;
  padding: 8px 10px;
  background: #111a30;
  border-radius: 6px;
  border-left: 3px solid var(--accent-cyan);
}

.mask-filename {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  color: #38bdf8;
  word-break: break-all;
}

.mask-tags {
  font-size: 11px;
  color: #94a3b8;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover:not(:disabled) {
  opacity: 0.95;
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: #cbd5e1;
}

.btn-secondary:hover {
  background: #23314f;
  color: #fff;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

/* Table styles */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 14px;
}

th {
  background: #0f172a;
  color: #94a3b8;
  padding: 12px 16px;
  font-weight: 600;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(35, 49, 79, 0.5);
  color: #f1f5f9;
}

tr:hover td {
  background: rgba(30, 41, 59, 0.4);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.badge-kp {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-pp {
  background: rgba(168, 85, 247, 0.2);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.badge-other {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.bitrate-good {
  color: #34d399;
  font-weight: 600;
}

.bitrate-normal {
  color: #60a5fa;
  font-weight: 600;
}

.bitrate-low {
  color: #fbbf24;
  font-weight: 600;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 1000;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  max-width: 500px;
  width: 100%;
  padding: 24px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

.modal-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.status-badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 13px;
  margin-top: 8px;
}

.status-badge.success {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
  border: 1px solid #10b981;
}

.status-badge.error {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border: 1px solid #ef4444;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #1e293b;
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 12px 18px;
  border-radius: 8px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1000;
  transition: var(--transition);
}

/* Active Player Panel (Hidden by default, shown when athlete selected) */
.active-player-panel {
  background: linear-gradient(135deg, #131b2e, #1a2642);
  border: 1px solid #3b82f6;
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 16px;
  box-shadow: 0 10px 25px -5px rgba(37, 99, 235, 0.25);
  animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.player-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.player-athlete-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.player-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent-cyan);
}

.player-name {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
}

.player-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.player-programs {
  display: flex;
  align-items: center;
  gap: 6px;
}

.player-prog-btn {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: #cbd5e1;
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.player-prog-btn:hover {
  border-color: #3b82f6;
  color: #fff;
}

.player-prog-btn.active {
  background: #2563eb;
  border-color: #2563eb;
  color: #fff;
}

.player-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.player-close-btn:hover {
  color: #fff;
}

.player-controls-row {
  display: flex;
  align-items: center;
  gap: 14px;
}

.big-play-btn {
  height: 42px;
  padding: 0 18px;
  border-radius: 8px;
  background: linear-gradient(135deg, #2563eb, #1d4ed8);
  border: none;
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
  transition: var(--transition);
}

.big-play-btn:hover {
  transform: translateY(-1px);
}

.big-play-btn.playing {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  box-shadow: 0 4px 14px rgba(239, 68, 68, 0.4);
}

.player-timeline-box {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.timeline-times {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-size: 11px;
  color: var(--text-muted);
}

.buffer-badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.buffer-badge.ready {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border-color: rgba(16, 185, 129, 0.3);
}

.timeline-bar-bg {
  height: 6px;
  background: #23314f;
  border-radius: 3px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.timeline-bar-progress {
  height: 100%;
  background: var(--accent-cyan);
  width: 0%;
  border-radius: 3px;
  transition: width 0.1s linear;
}

/* Compact Competition Playlist View */
.playlist-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.search-box {
  flex: 1;
  min-width: 240px;
}

.filters-box {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.form-input-sm {
  padding: 8px 12px;
  font-size: 13px;
  height: 38px;
}

.playlist-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
}

.empty-hint {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

.track-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid rgba(35, 49, 79, 0.4);
  position: relative;
  transition: background 0.15s ease;
  user-select: none;
}

.track-row:last-child {
  border-bottom: none;
}

.track-row:hover {
  background: rgba(30, 41, 59, 0.5);
}

.track-row.playing {
  background: rgba(37, 99, 235, 0.12);
}

.track-play-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #1e293b;
  border: 1px solid #334155;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 12px;
  flex-shrink: 0;
  transition: var(--transition);
}

.track-play-btn:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  transform: scale(1.05);
}

.track-row.playing .track-play-btn {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
}

.track-idx {
  font-size: 12px;
  color: var(--text-muted);
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.track-main {
  flex: 1;
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
  overflow: hidden;
}

.track-athlete {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-city {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

.track-badges {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.track-time {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  color: #cbd5e1;
  width: 44px;
  text-align: right;
  flex-shrink: 0;
}

.track-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.icon-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  text-decoration: none;
  font-size: 13px;
  transition: var(--transition);
}

.icon-btn:hover {
  color: #fff;
  border-color: var(--border-focus);
  background: var(--bg-input);
}

.icon-btn-danger:hover {
  color: #ef4444;
  border-color: #ef4444;
}

.track-progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--accent-cyan);
  width: 0%;
  pointer-events: none;
  transition: width 0.1s linear;
}