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

:root {
  --bg-primary:    #1e1f22;
  --bg-secondary:  #2b2d31;
  --bg-tertiary:   #313338;
  --bg-hover:      #35373c;
  --accent:        #5865f2;
  --accent-hover:  #4752c4;
  --danger:        #ed4245;
  --danger-hover:  #c03537;
  --green:         #23a559;
  --text-primary:  #f2f3f5;
  --text-secondary:#b5bac1;
  --text-muted:    #80848e;
  --border:        rgba(255,255,255,0.06);
  --radius:        8px;
}

html, body {
  height: 100%;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 15px;
}

.hidden { display: none !important; }

/* ─── AUTH OVERLAY ─────────────────────────────────────────────────────────── */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}

.auth-card {
  background: var(--bg-secondary);
  border-radius: 16px;
  padding: 40px 44px;
  width: 420px;
  max-width: 100%;
  box-shadow: 0 16px 48px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.auth-logo {
  text-align: center;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.auth-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
}

.auth-tab {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 600;
  padding: 10px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  margin-bottom: -1px;
}

.auth-tab:hover { color: var(--text-primary); }
.auth-tab.active {
  color: var(--text-primary);
  border-bottom-color: var(--accent);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-error {
  color: var(--danger);
  font-size: 13px;
  text-align: center;
  min-height: 18px;
  font-weight: 500;
}

.auth-success {
  color: var(--green);
  font-size: 13px;
  text-align: center;
  min-height: 18px;
  font-weight: 500;
}

.input-wrap {
  position: relative;
  display: flex;
}

.input-wrap input {
  flex: 1;
  padding-right: 40px;
}

.eye-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  padding: 2px;
  opacity: 0.5;
  transition: opacity 0.15s;
}
.eye-btn:hover { opacity: 1; }

.field-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.btn--full { width: 100%; justify-content: center; }


/* ─── APP LAYOUT ───────────────────────────────────────────────────────────── */
.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ─── SIDEBAR ─────────────────────────────────────────────────────────────── */
.sidebar {
  width: 240px;
  min-width: 240px;
  background: var(--bg-secondary);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
}

.sidebar-header {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: 16px;
}

.room-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.rooms-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  padding: 8px 8px 4px;
  text-transform: uppercase;
}

.room-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 4px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: background 0.12s, color 0.12s;
  font-size: 14px;
  user-select: none;
}

.room-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.room-item.active { background: rgba(88,101,242,0.2); color: var(--text-primary); }
.room-item.in-call { color: var(--green); }
.room-item.connecting { opacity: 0.6; pointer-events: none; }

/* ─── USER PANEL ──────────────────────────────────────────────────────────── */
.user-panel {
  padding: 8px;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 52px;
  border-top: 1px solid var(--border);
}

.user-info-static {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  flex: 1;
  min-width: 0;
}

.user-controls-right {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

/* Avatar в sidebar */
.user-avatar-wrap {
  position: relative;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  flex-shrink: 0;
  text-transform: uppercase;
  color: #fff;
}

.user-avatar-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.username {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-controls {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.ctrl-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s, color 0.12s;
}
.ctrl-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.ctrl-btn--danger:hover { background: var(--danger); color: #fff; }
.ctrl-btn.muted { color: var(--danger); }

/* ─── MAIN AREA ───────────────────────────────────────────────────────────── */
.main {
  flex: 1;
  background: var(--bg-tertiary);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* ─── SETTINGS SCREEN ──────────────────────────────────────────────────────── */
.settings-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px 0;
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
  flex-shrink: 0;
}

.settings-header h2 { font-size: 18px; font-weight: 700; }

.close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  line-height: 1;
  transition: background 0.12s, color 0.12s;
}
.close-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

.settings-body {
  display: flex;
  gap: 40px;
  padding: 32px;
  align-items: flex-start;
  flex-wrap: wrap;
}

/* Avatar */
.settings-avatar-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.settings-avatar-wrap {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  position: relative;
  cursor: pointer;
  overflow: hidden;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 3px solid var(--bg-primary);
  flex-shrink: 0;
}

.settings-avatar-initials {
  font-size: 34px;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  user-select: none;
}

.settings-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.avatar-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.18s;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
}
.settings-avatar-wrap:hover .avatar-overlay { opacity: 1; }

.settings-hint {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  max-width: 110px;
}

/* Fields */
.settings-fields {
  flex: 1;
  min-width: 260px;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.settings-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.settings-actions .btn { flex: 1; justify-content: center; }

/* ─── EMPTY SCREEN ──────────────────────────────────────────────────────────── */
.empty-screen {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.empty-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--text-muted);
}

.empty-icon { font-size: 48px; opacity: 0.3; }

.empty-hint p {
  font-size: 16px;
  font-weight: 500;
}

/* ─── JOIN ERROR TOAST ──────────────────────────────────────────────────────── */
.join-error-toast {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--danger);
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
  pointer-events: none;
  z-index: 100;
}

/* ─── ROOM SCREEN ──────────────────────────────────────────────────────────── */
.room-screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 24px;
  gap: 24px;
  position: relative;
}

.room-header {
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
}

.room-icon { font-size: 22px; }

.room-header h2 { font-size: 20px; font-weight: 700; }

.connection-status {
  margin-left: auto;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 12px;
  background: rgba(255,255,255,0.08);
  color: var(--text-muted);
}
.connection-status.connected { background: rgba(35,165,89,0.2); color: var(--green); }
.connection-status.disconnected { background: rgba(237,66,69,0.2); color: var(--danger); }

/* ─── PARTICIPANTS ──────────────────────────────────────────────────────────── */
.participants-grid {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-content: flex-start;
  overflow-y: auto;
}

.participant-card {
  width: 140px;
  height: 160px;
  background: var(--bg-secondary);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  position: relative;
  border: 2px solid transparent;
  transition: border-color 0.15s;
}

.participant-card.speaking { border-color: var(--green); }
.participant-card.muted-card { opacity: 0.7; }

.participant-avatar-wrap {
  position: relative;
  width: 64px;
  height: 64px;
}

.participant-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  text-transform: uppercase;
  color: #fff;
}

.participant-avatar-photo {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  position: absolute;
  inset: 0;
}

.participant-name {
  font-size: 13px;
  font-weight: 600;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: center;
}

.participant-mute-icon {
  position: absolute;
  bottom: 8px;
  right: 8px;
  color: var(--danger);
  font-size: 14px;
}

/* ─── ROOM CONTROLS ─────────────────────────────────────────────────────────── */
.room-controls {
  display: flex;
  gap: 12px;
  justify-content: center;
  padding: 12px 0;
  border-top: 1px solid var(--border);
}

.ctrl-btn-large {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  background: var(--bg-hover);
  color: var(--text-primary);
  transition: background 0.15s;
}
.ctrl-btn-large:hover { background: rgba(255,255,255,0.12); }
.ctrl-btn-large.muted { color: var(--danger); }
.ctrl-btn-large--danger { background: var(--danger); color: #fff; }
.ctrl-btn-large--danger:hover { background: var(--danger-hover); }

/* ─── SHARED FORM ELEMENTS ─────────────────────────────────────────────────── */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.form-group input, .form-group textarea {
  background: var(--bg-primary);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  color: var(--text-primary);
  padding: 10px 12px;
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}

.form-group input:focus { border-color: var(--accent); }
.form-group input::placeholder { color: var(--text-muted); }

.btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border-radius: 4px;
  font-size: 15px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
  white-space: nowrap;
}
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover:not(:disabled) { background: var(--accent-hover); }
.btn--danger { background: var(--danger); color: #fff; }
.btn--danger:hover:not(:disabled) { background: var(--danger-hover); }
.btn--outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid rgba(255,255,255,0.15);
}
.btn--outline:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ─── SCROLLBAR ─────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }