/* ===== TOKENS ===== */
:root {
  --bg-deep: #1a1210;
  --bg-surface: #231e1b;
  --bg-raised: #2e2724;
  --bg-glass: rgba(50, 40, 35, 0.55);
  --bg-glass-border: rgba(255, 200, 140, 0.08);

  --amber: #f0a050;
  --amber-bright: #ffc170;
  --amber-dim: #a06830;
  --amber-glow: rgba(240, 160, 80, 0.35);
  --ember: #e86040;
  --ember-glow: rgba(232, 96, 64, 0.3);

  --text-primary: #f5ebe4;
  --text-secondary: #a89888;
  --text-dim: #6e5e52;

  --danger: #e05545;
  --success: #5ab870;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --shadow-glow: 0 0 30px var(--amber-glow);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.3);

  --transition-fast: 150ms ease;
  --transition-med: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  height: 100%;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--bg-deep);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  touch-action: manipulation;
}

button { cursor: pointer; border: none; background: none; color: inherit; font: inherit; }
input, select { font: inherit; color: inherit; }

/* ===== APP SHELL ===== */
#app {
  height: 100%;
  height: 100dvh;
  position: relative;
  overflow: hidden;
}

/* ===== AMBIENT BACKGROUND ===== */
.ambient-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
}

.orb-1 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, var(--amber-dim), transparent 70%);
  top: -100px; right: -60px;
  animation: float-orb 12s ease-in-out infinite;
}
.orb-2 {
  width: 250px; height: 250px;
  background: radial-gradient(circle, var(--ember), transparent 70%);
  bottom: -80px; left: -50px;
  animation: float-orb 15s ease-in-out infinite reverse;
  opacity: 0.25;
}
.orb-3 {
  width: 200px; height: 200px;
  background: radial-gradient(circle, var(--amber), transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: float-orb 18s ease-in-out infinite;
  opacity: 0.1;
}

@keyframes float-orb {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.1); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

/* ===== VIEW TRANSITIONS ===== */
.view {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  z-index: 1;
  opacity: 0;
  transform: scale(0.97);
  pointer-events: none;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.view.active {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

/* ===== LOADING VIEW ===== */
#loading-view {
  align-items: center;
  justify-content: center;
}

.loading-container {
  text-align: center;
}

.loading-container .logo-icon {
  color: var(--amber);
  margin-bottom: 16px;
  filter: drop-shadow(0 0 20px var(--amber-glow));
  animation: pulse-gentle 2s ease-in-out infinite;
}

.loading-text {
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-top: 12px;
}

.loading-ready {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.loading-ready.hidden { display: none; }

.loading-welcome {
  color: var(--text-dim);
  font-size: 1rem;
  text-align: center;
}

.primary-btn--large {
  padding: 16px 32px;
  font-size: 1.1rem;
  gap: 10px;
}

.loading-error {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.loading-error.hidden { display: none; }

.loading-error-msg {
  color: var(--danger);
  font-size: 0.9rem;
  text-align: center;
  max-width: 280px;
  line-height: 1.4;
}

/* ===== SETUP VIEW / LOGIN VIEW ===== */
#setup-view, #login-view {
  align-items: center;
  justify-content: center;
  padding: 24px;
  overflow-y: auto;
}

.setup-container {
  width: 100%;
  max-width: 380px;
}

.join-logo {
  text-align: center;
  margin-bottom: 36px;
}

.logo-icon {
  color: var(--amber);
  margin-bottom: 16px;
  filter: drop-shadow(0 0 20px var(--amber-glow));
  animation: pulse-gentle 3s ease-in-out infinite;
}

@keyframes pulse-gentle {
  0%, 100% { filter: drop-shadow(0 0 20px var(--amber-glow)); }
  50% { filter: drop-shadow(0 0 30px var(--amber-glow)); }
}

.logo-text {
  font-family: 'Nunito', sans-serif;
  font-weight: 800;
  font-size: 2rem;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}

.logo-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ===== AUTH FORMS ===== */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-group label {
  font-family: 'Nunito', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.input-group input {
  background: var(--bg-surface);
  border: 1.5px solid var(--bg-glass-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  font-size: 1rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.input-group input:focus {
  border-color: var(--amber-dim);
  box-shadow: 0 0 0 3px rgba(240, 160, 80, 0.1);
}

/* Primary button */
.primary-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 24px;
  margin-top: 8px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--amber), var(--amber-dim));
  color: var(--bg-deep);
  font-family: 'Nunito', sans-serif;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  transition: all var(--transition-med);
  position: relative;
  overflow: hidden;
}

.primary-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent, rgba(255,255,255,0.15));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.primary-btn:hover::before { opacity: 1; }
.primary-btn:active { transform: scale(0.97); }

.primary-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  transform: none;
}
.primary-btn:disabled::before { display: none; }

.primary-btn svg {
  transition: transform var(--transition-fast);
}
.primary-btn:not(:disabled):hover svg {
  transform: translateX(3px);
}

/* Text button */
.text-btn {
  display: block;
  margin: 16px auto 0;
  padding: 8px 16px;
  font-size: 0.85rem;
  color: var(--text-dim);
  transition: color var(--transition-fast);
}
.text-btn:hover { color: var(--text-secondary); }

/* Form error */
.form-error {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: rgba(224, 85, 69, 0.12);
  border: 1px solid rgba(224, 85, 69, 0.25);
  color: #f08070;
  font-size: 0.85rem;
  text-align: center;
}
.form-error.hidden { display: none; }

/* Invite banner */
.invite-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  margin-bottom: 20px;
  border-radius: var(--radius-md);
  background: rgba(240, 160, 80, 0.08);
  border: 1px solid rgba(240, 160, 80, 0.15);
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.invite-banner svg { color: var(--amber); flex-shrink: 0; }
.invite-banner strong { color: var(--amber-bright); }

/* ===== ROOM VIEW ===== */
#room-view {
  display: flex;
  flex-direction: column;
}

/* Room header */
.room-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  padding-top: max(12px, env(safe-area-inset-top, 12px));
  background: rgba(26, 18, 16, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--bg-glass-border);
  z-index: 10;
}

.room-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.room-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px rgba(90, 184, 112, 0.5);
  animation: dot-pulse 2s ease-in-out infinite;
}

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

#room-name-display {
  font-family: 'Nunito', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.2;
}

.status-text {
  font-size: 0.72rem;
  color: var(--text-dim);
}

.room-header-right {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Icon buttons */
.icon-btn {
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.icon-btn:hover { background: var(--bg-raised); color: var(--text-primary); }
.icon-btn--danger:hover { color: var(--danger); }

/* ===== SETTINGS PANEL ===== */
.settings-panel {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--bg-glass-border);
  overflow: hidden;
  transition: max-height var(--transition-med), opacity var(--transition-med);
  max-height: 500px;
  opacity: 1;
}

.settings-panel.hidden {
  max-height: 0;
  opacity: 0;
}

.settings-content {
  padding: 16px;
}

.settings-content h3 {
  font-family: 'Nunito', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.setting-row:last-child { margin-bottom: 0; }

.setting-row label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.setting-row select {
  flex: 1;
  min-width: 0;
  background: var(--bg-raised);
  border: 1px solid var(--bg-glass-border);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  font-size: 0.8rem;
  color: var(--text-primary);
  outline: none;
}

/* Toggle group */
.toggle-group {
  display: flex;
  background: var(--bg-raised);
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--bg-glass-border);
}

.toggle-option {
  padding: 6px 14px;
  font-size: 0.8rem;
  color: var(--text-dim);
  transition: all var(--transition-fast);
}

.toggle-option.active {
  background: var(--amber-dim);
  color: var(--text-primary);
}

/* Admin section */
.admin-section {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--bg-glass-border);
}

.admin-section.hidden { display: none; }

.invite-link-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

.invite-code-display {
  flex: 1;
  min-width: 0;
  padding: 6px 10px;
  background: var(--bg-raised);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  color: var(--amber-dim);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.small-btn {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--bg-raised);
  border: 1px solid var(--bg-glass-border);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.small-btn:hover { background: var(--amber-dim); color: var(--text-primary); border-color: var(--amber-dim); }
.small-btn--danger:hover { background: var(--danger); color: white; border-color: var(--danger); }

.member-admin-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.member-admin-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-raised);
  font-size: 0.85rem;
}

.member-admin-row .member-admin-name {
  color: var(--text-secondary);
}

.member-admin-row .member-admin-badge {
  font-size: 0.7rem;
  color: var(--amber-dim);
  margin-left: 6px;
}

.member-admin-row .remove-member-btn {
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  background: transparent;
  border: 1px solid rgba(224, 85, 69, 0.3);
  color: var(--danger);
  transition: all var(--transition-fast);
}
.member-admin-row .remove-member-btn:hover {
  background: var(--danger);
  color: white;
  border-color: var(--danger);
}

/* ===== PRIVATE MODE INDICATOR ===== */
.private-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: linear-gradient(90deg, rgba(240, 160, 80, 0.12), transparent);
  border-bottom: 1px solid var(--bg-glass-border);
  font-size: 0.82rem;
  color: var(--text-secondary);
  transition: all var(--transition-med);
}

.private-indicator.hidden { display: none; }

.private-indicator svg { color: var(--amber); flex-shrink: 0; }
.private-indicator strong { color: var(--amber-bright); }

.private-end-btn {
  margin-left: auto;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-raised);
  border: 1px solid var(--bg-glass-border);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

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

/* ===== MEMBERS GRID ===== */
.members-grid {
  flex: 1;
  overflow-y: auto;
  padding: 20px 16px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 14px;
  align-content: start;
}

/* Empty room */
.empty-room {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 48px 24px;
  text-align: center;
}

.empty-room-icon {
  color: var(--text-dim);
  margin-bottom: 4px;
}

.empty-room p {
  color: var(--text-dim);
  font-size: 0.9rem;
}

.empty-room-sub {
  font-size: 0.78rem !important;
  opacity: 0.6;
}

/* Member card */
.member-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 8px;
  border-radius: var(--radius-md);
  background: var(--bg-glass);
  border: 1px solid var(--bg-glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  transition: all var(--transition-med);
  position: relative;
  user-select: none;
  -webkit-user-select: none;
}

.member-card:hover {
  background: rgba(60, 48, 40, 0.6);
  border-color: rgba(255, 200, 140, 0.15);
  transform: translateY(-2px);
}

.member-card:active {
  transform: scale(0.96);
}

.member-card.offline {
  opacity: 0.4;
}

.member-card.offline .member-avatar {
  filter: grayscale(0.6);
}

.member-card.speaking {
  border-color: var(--amber);
  box-shadow: 0 0 20px var(--amber-glow), inset 0 0 20px rgba(240, 160, 80, 0.05);
}

.member-card.speaking .member-avatar {
  box-shadow: 0 0 0 3px var(--amber), 0 0 16px var(--amber-glow);
}

.member-card.private-target {
  border-color: var(--amber-dim);
  background: rgba(240, 160, 80, 0.08);
}

/* Online indicator on card */
.member-online-dot {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 6px rgba(90, 184, 112, 0.5);
}

.member-card.offline .member-online-dot {
  background: var(--text-dim);
  box-shadow: none;
}

/* Avatar */
.member-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Nunito', sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--bg-deep);
  transition: all var(--transition-med);
  position: relative;
}

/* Speaking animation ring */
.member-card.speaking .member-avatar::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 2px solid var(--amber);
  opacity: 0;
  animation: speak-ring 1.2s ease-out infinite;
}

@keyframes speak-ring {
  0% { transform: scale(0.9); opacity: 0.7; }
  100% { transform: scale(1.3); opacity: 0; }
}

/* Color palette for avatars */
.member-avatar.color-0 { background: linear-gradient(135deg, #f0a050, #e08030); }
.member-avatar.color-1 { background: linear-gradient(135deg, #e06050, #c04040); }
.member-avatar.color-2 { background: linear-gradient(135deg, #50b0a0, #408880); }
.member-avatar.color-3 { background: linear-gradient(135deg, #7080d0, #5060b0); }
.member-avatar.color-4 { background: linear-gradient(135deg, #d070a0, #b05080); }
.member-avatar.color-5 { background: linear-gradient(135deg, #90b050, #709030); }
.member-avatar.color-6 { background: linear-gradient(135deg, #c09040, #a07020); }
.member-avatar.color-7 { background: linear-gradient(135deg, #6090c0, #4070a0); }

.member-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.member-card.speaking .member-name {
  color: var(--amber-bright);
}

.member-card.offline .member-name {
  color: var(--text-dim);
}

/* ===== TALK AREA ===== */
.talk-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 16px 16px calc(16px + var(--safe-bottom));
  background: linear-gradient(to top, rgba(26, 18, 16, 0.95), transparent);
}

.talk-btn-container {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#audio-visualizer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Talk button */
.talk-btn {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--bg-raised), var(--bg-surface));
  border: 2px solid rgba(255, 200, 140, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  transition: all var(--transition-med);
  position: relative;
  z-index: 2;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.talk-btn:hover {
  border-color: rgba(255, 200, 140, 0.2);
  color: var(--text-secondary);
}

.talk-btn.active {
  background: linear-gradient(145deg, var(--amber), var(--amber-dim));
  border-color: var(--amber-bright);
  color: var(--bg-deep);
  box-shadow: 0 0 30px var(--amber-glow), 0 4px 20px rgba(0,0,0,0.3);
  transform: scale(1.08);
}

.talk-btn.active .talk-btn-mic {
  animation: mic-pulse 0.8s ease-in-out infinite alternate;
}

@keyframes mic-pulse {
  from { transform: scale(1); }
  to { transform: scale(1.1); }
}

.talk-hint {
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

/* ===== UTILITIES ===== */
.hidden { display: none !important; }

/* ===== SCROLLBAR ===== */
.members-grid::-webkit-scrollbar { width: 4px; }
.members-grid::-webkit-scrollbar-track { background: transparent; }
.members-grid::-webkit-scrollbar-thumb {
  background: var(--bg-raised);
  border-radius: 2px;
}

/* ===== RESPONSIVE ===== */
@media (min-width: 480px) {
  .members-grid {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 16px;
    padding: 24px;
  }

  .member-avatar {
    width: 64px;
    height: 64px;
    font-size: 1.4rem;
  }
}

@media (min-width: 768px) {
  .setup-container { max-width: 400px; }

  .members-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    padding: 32px;
  }

  .talk-area {
    padding: 24px 24px calc(24px + var(--safe-bottom));
  }

  .talk-btn-container {
    width: 140px;
    height: 140px;
  }

  .talk-btn {
    width: 92px;
    height: 92px;
  }
}

/* ===== CONNECTION STATES ===== */
.status-text.connected { color: var(--success); }
.status-text.connecting { color: var(--amber); }
.status-text.error { color: var(--danger); }

/* ===== ANIMATIONS ===== */
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.member-card {
  animation: fade-in-up 0.3s ease-out both;
}

.member-card:nth-child(1) { animation-delay: 0ms; }
.member-card:nth-child(2) { animation-delay: 50ms; }
.member-card:nth-child(3) { animation-delay: 100ms; }
.member-card:nth-child(4) { animation-delay: 150ms; }
.member-card:nth-child(5) { animation-delay: 200ms; }
.member-card:nth-child(6) { animation-delay: 250ms; }
.member-card:nth-child(7) { animation-delay: 300ms; }
.member-card:nth-child(8) { animation-delay: 350ms; }