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

:root {
  --c-bg:         #0d0d12;
  --c-surface:    rgba(255, 255, 255, 0.04);
  --c-border:     rgba(255, 255, 255, 0.08);
  --c-text:       #f0f0f5;
  --c-muted:      #8888aa;
  --c-accent:     #7c5cfc;
  --c-accent-2:   #c45cfc;
  --c-success:    #2ecc71;
  --c-error:      #e74c3c;
  --c-warning:    #f39c12;
  --c-active-bg:  rgba(124, 92, 252, 0.25);
  --c-active-bdr: rgba(124, 92, 252, 0.7);
  --radius-sm:    6px;
  --radius-md:    12px;
  --radius-lg:    20px;
  --blur:         14px;
  --shadow-card:  0 4px 32px rgba(0,0,0,0.6);
  --font:         'Inter', system-ui, sans-serif;
  --transition:   0.2s ease;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background-color: var(--c-bg);
  color: var(--c-text);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ── Background glow ────────────────────────────────────────────────────── */
.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 60% 40% at 20% 10%, rgba(124,92,252,0.18) 0%, transparent 70%),
    radial-gradient(ellipse 50% 35% at 80% 80%, rgba(196,92,252,0.12) 0%, transparent 70%);
}

/* ── App wrapper ────────────────────────────────────────────────────────── */
.app {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
  padding: 24px 16px 40px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* ── Glass card ─────────────────────────────────────────────────────────── */
.glass-card {
  background: var(--c-surface);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: 20px 24px;
}

/* ── Header ─────────────────────────────────────────────────────────────── */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--c-text);
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 0 16px rgba(124,92,252,0.5);
}

.logo-accent { color: var(--c-accent); }

.version-badge {
  font-size: 0.72rem;
  color: var(--c-muted);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--c-border);
  border-radius: 20px;
  padding: 3px 12px;
  letter-spacing: 0.04em;
}

/* ── Search section ─────────────────────────────────────────────────────── */
.search-bar { display: flex; flex-direction: column; gap: 16px; }

.search-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.field-wrap {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 140px;
}

.field-wrap.narrow { flex: 0 0 100px; min-width: 80px; }

.field-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.field-input {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
  background: rgba(255,255,255,0.06);
  color: var(--c-text);
  font-family: var(--font);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -moz-appearance: textfield;
}

.field-input::-webkit-outer-spin-button,
.field-input::-webkit-inner-spin-button { -webkit-appearance: none; }

.field-input::placeholder { color: rgba(255,255,255,0.25); }

.field-input:focus {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(124,92,252,0.2);
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  user-select: none;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  color: #fff;
  box-shadow: 0 2px 14px rgba(124,92,252,0.4);
}

.btn-primary:hover {
  box-shadow: 0 4px 22px rgba(124,92,252,0.6);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255,255,255,0.07);
  color: var(--c-text);
  border-color: var(--c-border);
}

.btn-secondary:hover {
  background: rgba(255,255,255,0.11);
  border-color: rgba(255,255,255,0.18);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
}

.btn-icon { font-size: 1rem; }

/* ── Status banner ──────────────────────────────────────────────────────── */
.status-banner {
  border-radius: var(--radius-md);
  padding: 12px 18px;
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideDown 0.25s ease;
}

.status-banner.error {
  background: rgba(231,76,60,0.15);
  border: 1px solid rgba(231,76,60,0.4);
  color: #ff7b6b;
}

.status-banner.info {
  background: rgba(124,92,252,0.12);
  border: 1px solid rgba(124,92,252,0.3);
  color: #b09fff;
}

.status-banner.success {
  background: rgba(46,204,113,0.1);
  border: 1px solid rgba(46,204,113,0.3);
  color: #4ade80;
}

.hidden { display: none !important; }

/* ── Loading overlay ────────────────────────────────────────────────────── */
.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 24px;
  border-radius: var(--radius-lg);
  background: rgba(13,13,18,0.85);
  backdrop-filter: blur(8px);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-card);
  animation: fadeIn 0.2s ease;
}

.spinner {
  width: 44px;
  height: 44px;
  border: 3px solid rgba(255,255,255,0.08);
  border-top-color: var(--c-accent);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

.loading-text {
  color: var(--c-muted);
  font-size: 0.88rem;
  letter-spacing: 0.05em;
}

/* ── Player section ─────────────────────────────────────────────────────── */
.player-section { display: flex; flex-direction: column; gap: 18px; padding: 0; overflow: hidden; }

/* Video wrapper */
.video-wrapper { position: relative; width: 100%; aspect-ratio: 16/9; background: #000; border-radius: var(--radius-lg) var(--radius-lg) 0 0; overflow: hidden; }

.video-player {
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
  outline: none;
}

.video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: linear-gradient(135deg, #13131c, #1c1c2e);
  color: var(--c-muted);
  pointer-events: none;
  transition: opacity var(--transition);
}

.video-placeholder.hidden { opacity: 0; }

.placeholder-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(124,92,252,0.12);
  border: 2px solid rgba(124,92,252,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--c-accent);
}

.video-placeholder p {
  font-size: 0.88rem;
  text-align: center;
  padding: 0 32px;
  line-height: 1.5;
}

/* ── Track controls ─────────────────────────────────────────────────────── */
.track-controls {
  padding: 14px 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.track-group { display: flex; flex-direction: column; gap: 10px; }

.track-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.track-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid var(--c-border);
  background: rgba(255,255,255,0.05);
  color: var(--c-text);
  transition: background var(--transition), border-color var(--transition),
              color var(--transition), box-shadow var(--transition),
              transform var(--transition);
  user-select: none;
}

.pill:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-1px);
}

.pill.active {
  background: var(--c-active-bg);
  border-color: var(--c-active-bdr);
  color: #c5b5ff;
  box-shadow: 0 0 10px rgba(124,92,252,0.3);
}

/* ── Info bar ───────────────────────────────────────────────────────────── */
.info-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px 20px;
}

.info-title { font-size: 0.9rem; font-weight: 600; }
.info-meta  { font-size: 0.8rem; color: var(--c-muted); }

/* ── Footer ─────────────────────────────────────────────────────────────── */
.footer {
  text-align: center;
  font-size: 0.78rem;
  color: var(--c-muted);
  padding-top: 4px;
}

.footer a { color: var(--c-accent); text-decoration: none; }
.footer a:hover { text-decoration: underline; }

/* ── Animations ─────────────────────────────────────────────────────────── */
@keyframes spin      { to { transform: rotate(360deg); } }
@keyframes fadeIn    { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .app { padding: 14px 10px 30px; gap: 12px; }
  .glass-card { padding: 14px 14px; }
  .search-row { flex-direction: column; }
  .field-wrap.narrow { flex: 1; min-width: 0; }
  .header { flex-direction: column; align-items: flex-start; gap: 8px; }
  .btn { padding: 10px 16px; font-size: 0.85rem; }
  .track-controls { padding: 12px 14px 16px; }
}