/* CrowdCue Shared Styles - matches landing page design */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:wght@400;500&display=swap');

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

:root {
  --black: #0a0a0a;
  --dark: #111111;
  --card: #1a1a1a;
  --border: #2a2a2a;
  --muted: #666666;
  --text: #e0e0e0;
  --white: #f5f5f5;
  --accent: #00e5a0;
  --accent-dim: #00c488;
  --glow: rgba(0, 229, 160, 0.15);
  --purple: #a855f7;
  --purple-glow: rgba(168, 85, 247, 0.1);
  --danger: #ef4444;
  --warning: #f59e0b;
}

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--black);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; }

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 100;
}

/* Layout */
.app-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem;
  position: relative;
  z-index: 1;
}

.app-container.narrow {
  max-width: 480px;
}

/* Navigation */
.app-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 10;
}

.app-nav .brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--white);
  text-decoration: none;
}

.app-nav .brand span {
  color: var(--accent);
}

.app-nav .nav-links {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.app-nav .nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.app-nav .nav-links a:hover { color: var(--white); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: 10px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: var(--black);
}

.btn-primary:hover {
  background: var(--accent-dim);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--white);
}

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}

.btn-danger:hover {
  background: var(--danger);
  color: var(--white);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.85rem;
  border-radius: 8px;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 8px;
  font-size: 1.1rem;
}

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

.btn-block { width: 100%; }

/* Cards */
.card {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  transition: border-color 0.3s;
}

.card:hover { border-color: #333; }
.card.clickable { cursor: pointer; }
.card.clickable:hover { border-color: var(--accent); }

/* Forms */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.2s;
  outline: none;
}

.form-input:focus {
  border-color: var(--accent);
}

.form-input::placeholder {
  color: var(--muted);
}

textarea.form-input {
  resize: vertical;
  min-height: 80px;
}

select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* Alert / Error */
.alert {
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--danger);
}

.alert-success {
  background: rgba(0, 229, 160, 0.1);
  border: 1px solid rgba(0, 229, 160, 0.3);
  color: var(--accent);
}

/* Page header */
.page-header {
  margin-bottom: 2rem;
}

.page-header h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--muted);
  font-size: 1rem;
}

/* Stats row */
.stats-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.stat-card {
  flex: 1;
  min-width: 120px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.25rem;
}

.stat-card .stat-value {
  font-family: 'Space Grotesk', monospace;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-active {
  background: rgba(0, 229, 160, 0.15);
  color: var(--accent);
}

.badge-inactive {
  background: rgba(102, 102, 102, 0.15);
  color: var(--muted);
}

.badge-pending {
  background: rgba(245, 158, 11, 0.15);
  color: var(--warning);
}

.badge-playing {
  background: rgba(168, 85, 247, 0.15);
  color: var(--purple);
}

.badge-tip {
  background: rgba(0, 229, 160, 0.15);
  color: var(--accent);
}

/* Grid */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1rem;
}

/* Request list items */
.request-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 0.5rem;
  transition: border-color 0.2s;
}

.request-item.is-playing {
  border-color: var(--purple);
  background: rgba(168, 85, 247, 0.05);
}

.request-item.has-tip {
  border-left: 3px solid var(--accent);
}

.request-info {
  flex: 1;
  min-width: 0;
}

.request-info .song-title {
  font-weight: 600;
  color: var(--white);
  font-size: 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.request-info .artist {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 2px;
}

.request-info .meta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--muted);
}

.request-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

/* Tip selector */
.tip-selector {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tip-btn {
  padding: 8px 16px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: 'Space Grotesk', monospace;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.tip-btn:hover, .tip-btn.selected {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0, 229, 160, 0.05);
}

/* QR code display */
.qr-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 2rem;
}

.qr-container img {
  border-radius: 16px;
  max-width: 280px;
}

.qr-container .qr-url {
  font-family: 'Space Grotesk', monospace;
  font-size: 0.9rem;
  color: var(--accent);
  word-break: break-all;
  text-align: center;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--muted);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h3 {
  color: var(--white);
  margin-bottom: 0.5rem;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 1rem;
}

.modal {
  background: var(--dark);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem;
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}

.modal h2 {
  font-size: 1.4rem;
  color: var(--white);
  margin-bottom: 1.5rem;
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Responsive */
@media (max-width: 768px) {
  .app-container { padding: 1rem; }
  .stats-row { gap: 0.5rem; }
  .stat-card { min-width: 100px; padding: 0.75rem; }
  .stat-card .stat-value { font-size: 1.4rem; }
  .grid-2 { grid-template-columns: 1fr; }
  .request-item { flex-wrap: wrap; }
  .request-actions { width: 100%; justify-content: flex-end; }
  .app-nav { padding: 1rem; }
  .page-header h1 { font-size: 1.5rem; }
}

/* Now playing banner */
.now-playing {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(0, 229, 160, 0.1));
  border: 1px solid var(--purple);
  border-radius: 12px;
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.now-playing .np-icon {
  font-size: 1.5rem;
  animation: pulse-np 2s infinite;
}

@keyframes pulse-np {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.now-playing .np-info .np-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--purple);
  font-weight: 500;
}

.now-playing .np-info .np-song {
  font-weight: 600;
  color: var(--white);
  font-size: 1.1rem;
}

/* Success animation */
.success-check {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 1rem;
  padding: 3rem;
  text-align: center;
}

.success-check .check-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(0, 229, 160, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  animation: pop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes pop {
  0% { transform: scale(0); }
  100% { transform: scale(1); }
}

/* Tab controls */
.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}

.tab-btn {
  padding: 0.75rem 1.25rem;
  background: none;
  border: none;
  color: var(--muted);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.tab-btn:hover { color: var(--text); }

.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Utility */
.text-accent { color: var(--accent); }
.text-muted { color: var(--muted); }
.text-white { color: var(--white); }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.flex { display: flex; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.hidden { display: none !important; }