/* ===== CSS Custom Properties ===== */
:root {
  --bg-a: #1a1a2e;
  --bg-b: #16213e;
  --surface: rgba(255,255,255,0.05);
  --surface-hover: rgba(255,255,255,0.09);
  --border: rgba(255,255,255,0.1);
  --accent: #00d2ff;
  --accent-alt: #3a7bd5;
  --green: #38ef7d;
  --green-alt: #11998e;
  --red: #ff416c;
  --red-alt: #ff4b2b;
  --orange: #f2994a;
  --orange-alt: #f2c94c;
  --purple: #667eea;
  --purple-alt: #764ba2;
  --pink: #f093fb;
  --pink-alt: #f5576c;
  --cyan: #4facfe;
  --cyan-alt: #00f2fe;
  --text: #fff;
  --text-muted: #9ca3af;
  --sidebar-w: 320px;
  --header-z: 100;
  --sidebar-z: 200;
  --modal-z: 300;
  --notif-z: 400;
  --r: 10px;
  --r-lg: 18px;
  --ease: 0.2s ease;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: linear-gradient(135deg, var(--bg-a) 0%, var(--bg-b) 100%);
  background-attachment: fixed;
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
  font-size: 14px;
  line-height: 1.5;
}

/* ===== Layout ===== */
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin-right: var(--sidebar-w);
  transition: margin-right var(--ease);
}

#app.sidebar-hidden { margin-right: 0; }

.header {
  position: sticky;
  top: 0;
  z-index: var(--header-z);
  background: rgba(10, 10, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px 20px;
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.header-title {
  font-size: 1.9em;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(90deg, var(--accent), var(--accent-alt));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.user-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.user-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  padding: 5px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.controls-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.ctrl-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 12px;
}

.ctrl-group label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--accent);
  margin-bottom: 8px;
}

.main {
  flex: 1;
  padding: 24px;
  max-width: 100%;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 9px 16px;
  border: none;
  border-radius: 8px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: transform var(--ease), box-shadow var(--ease), opacity var(--ease);
  white-space: nowrap;
  user-select: none;
}

.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

.btn:hover:not(:disabled) { transform: translateY(-2px); }

.btn-primary {
  background: linear-gradient(45deg, var(--accent), var(--accent-alt));
  color: #fff;
}
.btn-primary:hover:not(:disabled) { box-shadow: 0 4px 18px rgba(0,210,255,0.4); }

.btn-success {
  background: linear-gradient(45deg, var(--green-alt), var(--green));
  color: #fff;
}
.btn-success:hover:not(:disabled) { box-shadow: 0 4px 18px rgba(56,239,125,0.4); }

.btn-danger {
  background: linear-gradient(45deg, var(--red), var(--red-alt));
  color: #fff;
}
.btn-danger:hover:not(:disabled) { box-shadow: 0 4px 18px rgba(255,65,108,0.4); }

.btn-warning {
  background: linear-gradient(45deg, var(--orange), var(--orange-alt));
  color: #fff;
}
.btn-warning:hover:not(:disabled) { box-shadow: 0 4px 18px rgba(242,153,74,0.4); }

.btn-secondary {
  background: linear-gradient(45deg, var(--purple), var(--purple-alt));
  color: #fff;
}
.btn-secondary:hover:not(:disabled) { box-shadow: 0 4px 18px rgba(102,126,234,0.4); }

.btn-ghost {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
}
.btn-ghost:hover:not(:disabled) { background: var(--surface-hover); }

/* Toggle button active state via data attribute */
[data-active="true"]#random-loop-btn {
  background: linear-gradient(45deg, var(--red), var(--red-alt));
}
[data-active="true"]#record-btn {
  background: linear-gradient(45deg, var(--green-alt), var(--green));
  animation: recordPulse 1.5s infinite;
}
[data-active="true"]#radio-btn {
  background: linear-gradient(45deg, var(--red), var(--red-alt));
}

.btn-row {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}
.btn-row .btn { flex: 1; font-size: 12px; padding: 8px 10px; }
.btn-full { width: 100%; }

/* ===== Form Elements ===== */
input[type="text"],
input[type="password"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 9px 12px;
  background: rgba(255,255,255,0.08);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  transition: border-color var(--ease), box-shadow var(--ease);
  -webkit-appearance: none;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,210,255,0.15);
}

select option { background: var(--bg-a); color: var(--text); }

input[type="range"] {
  padding: 0;
  height: 6px;
  appearance: none;
  -webkit-appearance: none;
  background: linear-gradient(to right, var(--accent) 0%, var(--accent-alt) 100%);
  border-radius: 3px;
  border: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
  border: none;
}

.volume-display {
  text-align: center;
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  margin-top: 4px;
}

.input-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}
.input-row input { flex: 1; }

/* ===== Now Playing ===== */
.now-playing {
  background: linear-gradient(90deg, rgba(102,126,234,0.25), rgba(118,75,162,0.15));
  border: 1px solid rgba(102,126,234,0.3);
  border-radius: var(--r);
  padding: 14px 20px;
  text-align: center;
  margin-bottom: 20px;
}
.now-playing-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); margin-bottom: 4px; }
.now-playing-name { font-size: 1.2em; font-weight: 700; color: var(--text); }

/* ===== Media Tabs ===== */
.media-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 16px;
  margin-bottom: 16px;
}
.tab-bar { display: flex; gap: 8px; margin-bottom: 14px; }
.tab-btn {
  flex: 1;
  padding: 9px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--ease);
}
.tab-btn.active {
  background: linear-gradient(45deg, var(--accent), var(--accent-alt));
  border-color: var(--accent);
  color: #fff;
}
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ===== Radio Section ===== */
.radio-section {
  background: linear-gradient(135deg, rgba(102,126,234,0.12), rgba(118,75,162,0.12));
  border: 1px solid rgba(102,126,234,0.25);
  border-radius: var(--r);
  padding: 16px;
  margin-bottom: 16px;
}
.radio-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}
.radio-title { font-size: 1em; font-weight: 700; }
.radio-title span { color: var(--accent); }
.radio-controls { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.radio-vol { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 160px; }
.radio-vol input { flex: 1; }
.radio-vol-label { font-weight: 700; color: var(--accent); min-width: 36px; text-align: right; }
.radio-status { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-muted); }
.radio-status.live { color: var(--green); }
.live-dot { width: 8px; height: 8px; background: var(--green); border-radius: 50%; animation: livePulse 1.5s infinite; }
.radio-note { font-size: 11px; color: var(--text-muted); margin-top: 8px; }

/* ===== Upload Zone ===== */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--r);
  padding: 22px;
  text-align: center;
  margin-bottom: 16px;
  transition: border-color var(--ease), background var(--ease);
}
.upload-zone:hover { border-color: var(--accent); background: rgba(0,210,255,0.04); }
.upload-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  background: linear-gradient(45deg, var(--green-alt), var(--green));
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  font-size: 13px;
  transition: transform var(--ease), box-shadow var(--ease);
}
.upload-label:hover { transform: translateY(-2px); box-shadow: 0 4px 18px rgba(56,239,125,0.4); }
.upload-input { display: none; }

/* ===== Search ===== */
.search-box { margin-bottom: 16px; }
.search-box input { font-size: 14px; padding: 11px 14px; }

/* ===== Filter Tabs ===== */
.filter-tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.filter-tab {
  padding: 8px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--ease);
}
.filter-tab:hover { background: var(--surface-hover); transform: translateY(-1px); }
.filter-tab.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  border-color: var(--accent);
  box-shadow: 0 3px 14px rgba(0,210,255,0.3);
}

/* ===== Tag Filter ===== */
.tag-filter {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 12px;
  margin-bottom: 16px;
}
.tag-filter-title { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; color: var(--accent); margin-bottom: 8px; }
.tag-filter-list { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-filter-btn {
  padding: 5px 12px;
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  transition: all var(--ease);
}
.tag-filter-btn:hover { background: rgba(0,210,255,0.15); border-color: var(--accent); }
.tag-filter-btn.active { background: linear-gradient(135deg, var(--accent), var(--accent-alt)); border-color: var(--accent); }

/* ===== Sound Grid & Cards ===== */
.sound-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 14px;
}

.sound-card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  padding: 16px 12px 12px;
  text-align: center;
  cursor: pointer;
  transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease), background var(--ease);
  position: relative;
  overflow: hidden;
  user-select: none;
}
.sound-card::before {
  content: '🎵';
  font-size: 32px;
  display: block;
  margin-bottom: 8px;
  pointer-events: none;
}
.sound-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  background: rgba(0,210,255,0.08);
  box-shadow: 0 8px 24px rgba(0,210,255,0.2);
}
.sound-card.playing {
  border-color: var(--green);
  box-shadow: 0 0 20px rgba(56,239,125,0.4);
  animation: cardGlow 2s infinite;
}
.sound-card.playing::after {
  content: 'NOW PLAYING';
  position: absolute;
  top: 5px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--green-alt), var(--green));
  color: #fff;
  padding: 2px 8px;
  border-radius: 8px;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.5px;
  pointer-events: none;
}
.sound-name { font-size: 12px; word-break: break-word; line-height: 1.3; }

/* Card overlays */
.card-tag-btn {
  position: absolute;
  top: 5px;
  left: 5px;
  width: 26px;
  height: 26px;
  background: linear-gradient(135deg, var(--purple), var(--purple-alt));
  border: none;
  border-radius: 50%;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--ease), transform var(--ease);
  z-index: 2;
}
.sound-card:hover .card-tag-btn { opacity: 1; }
.card-tag-btn:hover { transform: scale(1.15); }

.card-actions {
  position: absolute;
  bottom: 5px;
  right: 5px;
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--ease);
  z-index: 2;
}
.sound-card:hover .card-actions { opacity: 1; }
.card-action-btn {
  width: 24px;
  height: 24px;
  background: rgba(0,0,0,0.55);
  border: none;
  border-radius: 5px;
  font-size: 11px;
  cursor: pointer;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--ease), transform var(--ease);
}
.card-action-btn.edit:hover { background: linear-gradient(135deg, var(--accent), var(--accent-alt)); transform: scale(1.1); }
.card-action-btn.delete:hover { background: linear-gradient(135deg, var(--red), var(--red-alt)); transform: scale(1.1); }

.new-badge {
  position: absolute;
  top: 5px;
  right: 5px;
  background: linear-gradient(135deg, var(--green-alt), var(--green));
  color: #fff;
  padding: 2px 7px;
  border-radius: 10px;
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  animation: pulse 2s infinite;
  pointer-events: none;
}
.play-count {
  position: absolute;
  bottom: 5px;
  left: 5px;
  background: rgba(0,0,0,0.5);
  color: var(--text-muted);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 9px;
}
.card-owner {
  position: absolute;
  bottom: 5px;
  left: 5px;
  display: flex;
  align-items: center;
  gap: 4px;
  pointer-events: none;
}
.card-owner-name {
  font-size: 9px;
  color: var(--text-muted);
  background: rgba(255,255,255,0.07);
  padding: 1px 5px;
  border-radius: 6px;
  max-width: 70px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.card-visibility-btn, .card-request-btn {
  pointer-events: all;
  background: none;
  border: none;
  font-size: 11px;
  cursor: pointer;
  padding: 0;
  line-height: 1;
  opacity: 0.7;
  transition: opacity 0.15s, transform 0.15s;
}
.card-visibility-btn:hover, .card-request-btn:hover { opacity: 1; transform: scale(1.2); }

.sound-card.card-private {
  border-color: rgba(242,153,74,0.5);
  opacity: 0.75;
}
.sound-card.card-private::before { content: '🔒'; }
.sound-card.card-private:hover {
  border-color: var(--orange);
  background: rgba(242,153,74,0.08);
  box-shadow: 0 8px 24px rgba(242,153,74,0.2);
}

.card-tags {
  position: absolute;
  bottom: 5px;
  right: 5px;
  display: flex;
  gap: 3px;
  flex-wrap: wrap;
  max-width: 80%;
  justify-content: flex-end;
  pointer-events: none;
}
.mini-tag {
  background: rgba(102,126,234,0.55);
  padding: 1px 5px;
  border-radius: 6px;
  font-size: 9px;
}

/* ===== Queue Sidebar ===== */
#queue-sidebar {
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-w);
  z-index: var(--sidebar-z);
  background: linear-gradient(180deg, rgba(20,20,40,0.97) 0%, rgba(14,18,52,0.97) 100%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-left: 2px solid transparent;
  border-image: linear-gradient(180deg, var(--accent), var(--accent-alt), var(--green)) 1;
  display: flex;
  flex-direction: column;
  box-shadow: -8px 0 32px rgba(0,0,0,0.6);
  transition: transform var(--ease);
}
#queue-sidebar.collapsed { transform: translateX(var(--sidebar-w)); }

.queue-header {
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  padding: 16px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.queue-header h3 { margin: 0; font-size: 16px; font-weight: 700; }
.queue-count {
  margin-left: auto;
  background: rgba(255,255,255,0.25);
  padding: 2px 10px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
}

#queue-list {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-alt) transparent;
}
#queue-list::-webkit-scrollbar { width: 6px; }
#queue-list::-webkit-scrollbar-track { background: transparent; }
#queue-list::-webkit-scrollbar-thumb { background: var(--accent-alt); border-radius: 3px; }

.queue-empty { text-align: center; color: var(--text-muted); padding: 32px 16px; font-style: italic; }
.queue-empty::before { content: '📭'; display: block; font-size: 40px; margin-bottom: 10px; }

.queue-item {
  background: rgba(255,255,255,0.06);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 8px;
  font-size: 13px;
  word-break: break-word;
  transition: background var(--ease), transform var(--ease);
}
.queue-item:hover { background: rgba(255,255,255,0.1); transform: translateX(-3px); }
.queue-item.playing {
  background: linear-gradient(90deg, rgba(0,210,255,0.2), rgba(56,239,125,0.1));
  border-left-color: var(--green);
  font-weight: 700;
  animation: queuePulse 2s infinite;
}
.queue-item.playing::after {
  content: '▶';
  float: right;
  color: var(--green);
  font-size: 11px;
}
.queue-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(0,210,255,0.25);
  font-size: 11px;
  font-weight: 700;
  margin-right: 8px;
  flex-shrink: 0;
}

.queue-footer {
  padding: 12px;
  border-top: 1px solid var(--border);
  background: rgba(0,0,0,0.25);
  flex-shrink: 0;
}

/* Queue toggle button */
#queue-toggle {
  position: fixed;
  right: calc(var(--sidebar-w) + 0px);
  top: 16px;
  z-index: calc(var(--sidebar-z) + 1);
  background: linear-gradient(135deg, var(--accent), var(--accent-alt));
  border: none;
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px 0 0 10px;
  cursor: pointer;
  font-size: 17px;
  box-shadow: -4px 4px 16px rgba(0,210,255,0.35);
  transition: all var(--ease);
}
#queue-toggle.sidebar-hidden {
  right: 0;
  border-radius: 10px;
}
#queue-toggle:hover { transform: scale(1.08); }

/* ===== Modals ===== */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.78);
  z-index: var(--modal-z);
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal.open { display: flex; }

.modal-box {
  background: linear-gradient(160deg, var(--bg-a), var(--bg-b));
  border-radius: var(--r-lg);
  padding: 28px;
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  border: 1.5px solid rgba(0,210,255,0.25);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
}
.modal-box.modal-lg { max-width: 580px; }

.modal-title {
  font-size: 1.3em;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
  text-align: center;
}

.modal-field { margin-bottom: 16px; }
.modal-field label { display: block; font-size: 12px; font-weight: 600; color: var(--accent); margin-bottom: 6px; }

.modal-info {
  background: rgba(56,239,125,0.08);
  border-left: 3px solid var(--green);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 16px;
  font-size: 13px;
}

.modal-footer { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }
.modal-footer .btn { padding: 10px 22px; }

/* Delete modal */
.modal-box.delete-box { max-width: 380px; text-align: center; border-color: rgba(255,65,108,0.3); }
.modal-box.delete-box .modal-title { color: var(--red); }
.modal-box.delete-box p { color: var(--text-muted); font-size: 13px; margin-bottom: 8px; }
.modal-box.delete-box .filename { color: var(--accent); font-weight: 700; word-break: break-word; }
.modal-box.delete-box .warn { color: var(--red); font-size: 12px; }
.modal-box.delete-box .modal-footer { justify-content: center; }

/* Waveform trim */
.waveform-wrap {
  position: relative;
  height: 72px;
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
  margin: 12px 0;
  overflow: hidden;
}
.waveform-wrap canvas { width: 100%; height: 100%; display: block; }
.trim-indicator {
  position: absolute;
  inset: 0;
  background: rgba(0,210,255,0.2);
  border-left: 2px solid var(--accent);
  border-right: 2px solid var(--accent);
  pointer-events: none;
}
.trim-times {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.trim-times strong { color: var(--text); }

/* Tag modal */
.tag-container { display: flex; flex-wrap: wrap; gap: 6px; min-height: 28px; margin-bottom: 12px; }
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: linear-gradient(135deg, var(--purple), var(--purple-alt));
  color: #fff;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
}
.tag-chip .remove {
  background: rgba(255,255,255,0.25);
  border: none;
  border-radius: 50%;
  width: 15px;
  height: 15px;
  font-size: 10px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  transition: background var(--ease);
}
.tag-chip .remove:hover { background: rgba(255,75,43,0.8); }
.tag-no-tags { color: var(--text-muted); font-style: italic; font-size: 12px; }

.tag-input-wrap { position: relative; }
.tag-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(20,20,40,0.98);
  border: 1px solid var(--border);
  border-radius: 8px;
  max-height: 150px;
  overflow-y: auto;
  z-index: 10;
  display: none;
  margin-top: 2px;
}
.tag-suggestions.open { display: block; }
.tag-suggestion {
  padding: 8px 12px;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background var(--ease);
}
.tag-suggestion:hover { background: rgba(0,210,255,0.15); }
.tag-suggestion .plus { color: var(--green); font-weight: 700; }

/* ===== Notifications ===== */
#notifications {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: var(--notif-z);
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.notification {
  padding: 12px 18px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  max-width: 300px;
  transform: translateX(120%);
  transition: transform 0.3s cubic-bezier(0.34,1.56,0.64,1), opacity 0.3s ease;
  opacity: 0;
  pointer-events: auto;
}
.notification.visible { transform: translateX(0); opacity: 1; }
.notification-success { background: #1a3a2a; border: 1px solid var(--green); color: var(--green); }
.notification-error { background: #3a1a1a; border: 1px solid var(--red); color: #ff8fa0; }
.notification-info { background: #1a2a3a; border: 1px solid var(--accent); color: var(--accent); }

/* ===== Spinner ===== */
#spinner {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: calc(var(--modal-z) + 100);
  display: flex;
  align-items: center;
  justify-content: center;
}
#spinner[hidden] { display: none; }
.spinner-ring {
  width: 44px;
  height: 44px;
  border: 4px solid rgba(0,210,255,0.2);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ===== Animations ===== */
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}
@keyframes cardGlow {
  0%, 100% { box-shadow: 0 0 20px rgba(56,239,125,0.35); }
  50% { box-shadow: 0 0 32px rgba(56,239,125,0.6); }
}
@keyframes queuePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}
@keyframes livePulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 4px var(--green); }
  50% { opacity: 0.5; box-shadow: 0 0 10px var(--green); }
}
@keyframes recordPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(56,239,125,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(56,239,125,0); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== Log Pane ===== */
:root { --log-pane-h: 260px; --log-pane-z: 250; }

.log-pane {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--log-pane-h);
  background: rgba(8, 8, 20, 0.97);
  border-top: 2px solid var(--accent);
  z-index: var(--log-pane-z);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
  font-family: 'Courier New', monospace;
}
.log-pane.collapsed { transform: translateY(var(--log-pane-h)); }

.log-pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  background: rgba(0,210,255,0.1);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}
.log-pane-controls { display: flex; align-items: center; gap: 10px; }
.log-autoscroll-label { font-size: 11px; font-weight: 500; color: var(--text-muted); cursor: pointer; display: flex; align-items: center; gap: 4px; font-family: inherit; }
.log-clear-btn, .log-close-btn {
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 11px;
  padding: 3px 8px;
  cursor: pointer;
  font-family: inherit;
  transition: background var(--ease);
}
.log-clear-btn:hover { background: rgba(255,65,108,0.25); color: var(--red); }
.log-close-btn:hover { background: rgba(255,255,255,0.15); color: var(--text); }

.log-pane-body {
  flex: 1;
  overflow-y: auto;
  padding: 6px 12px;
  font-size: 11px;
  line-height: 1.55;
  scrollbar-width: thin;
  scrollbar-color: var(--accent-alt) transparent;
}
.log-pane-body::-webkit-scrollbar { width: 5px; }
.log-pane-body::-webkit-scrollbar-thumb { background: var(--accent-alt); border-radius: 3px; }

.log-line { padding: 1px 0; word-break: break-all; white-space: pre-wrap; }
.log-line.INFO  { color: #9ca3af; }
.log-line.ERROR { color: #ff8fa0; }
.log-line.WARN  { color: #f2994a; }
.log-line.DEBUG { color: #6b7280; }
.log-ts { color: #4b5563; margin-right: 6px; user-select: none; }
.log-level { font-weight: 700; margin-right: 6px; }
.log-line.INFO  .log-level { color: var(--accent); }
.log-line.ERROR .log-level { color: var(--red); }
.log-line.WARN  .log-level { color: var(--orange); }
.log-line.DEBUG .log-level { color: var(--purple); }

.log-pane-toggle {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,210,255,0.15);
  border: 1px solid var(--accent);
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  padding: 4px 18px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  cursor: pointer;
  z-index: var(--log-pane-z);
  transition: background var(--ease), opacity 0.3s;
  user-select: none;
}
.log-pane-toggle:hover { background: rgba(0,210,255,0.28); }
.log-pane-toggle.hidden { opacity: 0; pointer-events: none; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  :root { --sidebar-w: 280px; }
  /* Sidebar is an overlay on mobile — never pushes content */
  #app { margin-right: 0 !important; }
  /* Toggle: at left edge of sidebar when open, at screen edge when closed */
  #queue-toggle { right: var(--sidebar-w); border-radius: 10px 0 0 10px; }
  #queue-toggle.sidebar-hidden { right: 0; border-radius: 10px 0 0 10px; }
  .header { padding: 12px 14px 16px; }
  .header-title { font-size: 1.5em; }
  .controls-grid { grid-template-columns: 1fr 1fr; }
  .main { padding: 14px; }
  .sound-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 10px; }
}
@media (max-width: 480px) {
  .controls-grid { grid-template-columns: 1fr; }
  .filter-tabs { gap: 6px; }
  .filter-tab { font-size: 12px; padding: 7px 14px; }
  .btn-row .btn { font-size: 11px; padding: 7px 8px; }
}

/* ===== Scrollbar (main content) ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,210,255,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,210,255,0.5); }