:root {
  --bg-color: #0f172a;
  --card-bg: #1e293b;
  --border-color: #334155;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #38bdf8;
  --primary-hover: #0ea5e9;
  --accent: #10b981;
  --danger: #ef4444;
  --radius: 12px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  padding: 2rem 1rem;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.logo {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo .icon {
  font-size: 2.5rem;
}

.logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.server-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #064e3b;
  color: #34d399;
  padding: 0.4rem 0.8rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 500;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10b981;
}

.mode-card {
  background: linear-gradient(145deg, #1e293b, #0f172a);
  border: 1px solid #38bdf844;
}

.mode-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.mode-toggle {
  display: flex;
  background-color: #0f172a;
  padding: 4px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  gap: 4px;
}

.btn-mode {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-mode.active {
  background-color: var(--primary);
  color: #0f172a;
  box-shadow: 0 2px 8px rgba(56, 189, 248, 0.3);
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card h2 {
  font-size: 1.15rem;
  font-weight: 600;
}

.desc {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.active-track-display {
  background-color: #0f172a;
  border: 1px solid var(--border-color);
  padding: 1rem;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.track-title {
  font-weight: 600;
  color: var(--primary);
  word-break: break-all;
}

audio {
  width: 100%;
  height: 40px;
  outline: none;
}

.endpoint-info label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.copy-box, .input-group {
  display: flex;
  gap: 0.5rem;
}

input[type="text"], input[type="url"] {
  flex: 1;
  background-color: #0f172a;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.6rem 0.8rem;
  color: var(--text-main);
  font-size: 0.85rem;
}

input:focus {
  outline: 2px solid var(--primary);
  border-color: transparent;
}

.btn-primary {
  background-color: var(--primary);
  color: #0f172a;
  border: none;
  padding: 0.6rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s;
}

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

.btn-secondary {
  background-color: var(--border-color);
  color: var(--text-main);
  border: none;
  padding: 0.6rem 0.9rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: #475569;
}

.library-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.dropzone {
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
}

.dropzone.dragover {
  border-color: var(--primary);
  background-color: rgba(56, 189, 248, 0.05);
}

.track-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 250px;
  overflow-y: auto;
}

.track-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #0f172a;
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  border-radius: 6px;
}

.track-item.active {
  border-color: var(--primary);
  background-color: rgba(56, 189, 248, 0.08);
}

.track-name {
  font-size: 0.9rem;
  font-weight: 500;
  word-break: break-all;
}

.track-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.track-actions {
  display: flex;
  gap: 0.5rem;
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
}

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

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

.commands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.cmd-item {
  background-color: #0f172a;
  border: 1px solid var(--border-color);
  padding: 0.85rem;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.cmd-item strong {
  color: #fbbf24;
  font-size: 0.9rem;
}

.cmd-item span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #10b981;
  color: #0f172a;
  padding: 0.8rem 1.2rem;
  border-radius: 8px;
  font-weight: 600;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}