/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a25;
  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --text-muted: #606070;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --success: #22c55e;
  --warning: #f59e0b;
  --error: #ef4444;
  --border: #2a2a35;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
}

/* Container */
.container {
  max-width: 480px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
header {
  text-align: center;
  margin-bottom: 3rem;
}

header h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

header .subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Main content - Home */
.home {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 2rem;
}

.create-room {
  text-align: center;
}

.divider {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--text-muted);
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.join-room {
  text-align: center;
}

.input-group {
  display: flex;
  gap: 0.75rem;
}

.input-group input {
  flex: 1;
  padding: 0.875rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

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

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

/* Buttons */
.btn {
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: white;
  width: 100%;
}

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

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

.btn-secondary:hover {
  background: var(--border);
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.25rem;
  transition: color 0.2s;
}

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

.btn-icon.copied {
  color: var(--success);
}

/* Footer */
footer {
  text-align: center;
  padding-top: 2rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Room page */
.room-container {
  gap: 1.5rem;
}

.room-header {
  text-align: center;
}

.room-header h1 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.room-id-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--bg-secondary);
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
}

.room-id-label {
  color: var(--text-muted);
}

#roomId {
  color: var(--accent);
  font-size: 1rem;
}

/* Room main */
.room-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Status section */
.status-section {
  text-align: center;
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-secondary);
  border-radius: 2rem;
  font-size: 0.9rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
}

.status-indicator.connecting .status-dot {
  background: var(--warning);
  animation: pulse 1.5s infinite;
}

.status-indicator.waiting .status-dot {
  background: var(--warning);
}

.status-indicator.key-exchange .status-dot {
  background: var(--warning);
  animation: pulse 1s infinite;
}

.status-indicator.connected .status-dot {
  background: var(--success);
}

.status-indicator.error .status-dot {
  background: var(--error);
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.peer-count {
  margin-top: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.quality-indicator {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

.quality-indicator.good {
  color: var(--success);
}

.quality-indicator.medium {
  color: var(--warning);
}

.quality-indicator.poor {
  color: var(--error);
}

/* Participants */
.participants-section {
  flex: 1;
  min-height: 150px;
}

.participants-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.participant {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-secondary);
  border-radius: 0.5rem;
  border: 1px solid transparent;
  transition: all 0.2s;
}

.participant.speaking {
  border-color: var(--success);
  background: rgba(34, 197, 94, 0.1);
}

.participant-icon {
  color: var(--text-secondary);
}

.participant-id {
  flex: 1;
  font-family: monospace;
  font-size: 0.9rem;
}

.participant-status {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.participant.connected .participant-status {
  color: var(--success);
}

/* Audio levels */
.audio-levels {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: 0.5rem;
}

.level-meter {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.level-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
  width: 90px;
  flex-shrink: 0;
}

.level-bar-container {
  flex: 1;
  height: 8px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  overflow: hidden;
}

.level-bar {
  height: 100%;
  width: 0%;
  background: var(--success);
  border-radius: 4px;
  transition: width 0.05s ease-out;
}

.level-bar.incoming {
  background: var(--accent);
}

/* Controls */
.controls-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.btn-mic {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border: 2px solid var(--border);
  color: var(--text-primary);
  border-radius: 1rem;
}

.btn-mic:hover:not(:disabled) {
  border-color: var(--accent);
}

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

.btn-mic .mic-off {
  display: none;
}

.btn-mic.active {
  background: var(--success);
  border-color: var(--success);
}

.btn-mic.active .mic-on {
  display: none;
}

.btn-mic.active .mic-off {
  display: block;
}

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

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

/* Room footer */
.room-footer {
  padding-top: 1rem;
  color: var(--success);
}

.room-footer p {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.room-footer p::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
}

/* Responsive */
@media (max-width: 400px) {
  .container {
    padding: 1.5rem 1rem;
  }

  header h1 {
    font-size: 1.75rem;
  }

  .btn {
    padding: 0.75rem 1rem;
  }
}

/* Dark mode is default, but add support for light mode preference */
@media (prefers-color-scheme: light) {
  /* Keep dark mode for this app */
}