/* layout.css — App shell layout, header, login screen, status bar */

body {
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ── */
header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 48px;
}

.header-left { display: flex; align-items: center; gap: var(--space-lg); }

header h1 {
  font-size: 1rem;
  color: var(--accent);
  font-weight: 600;
}

#stats {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

#status {
  font-size: var(--text-sm);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

#status .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--danger);
  display: inline-block;
}

#status.connected .dot { background: var(--success); }
#status.reconnecting .dot { background: var(--warning); animation: pulse 1s infinite; }

@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.3; } }

/* ── Layout ── */
.main {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-height: 0;
}

/* ── Chat ── */
#chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

#messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg) var(--space-xl);
  scroll-behavior: smooth;
}

/* ── Login ── */
#login-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-height: 0;
  gap: var(--space-xl);
  padding: var(--space-xl);
}

#login-screen h1 {
  color: var(--accent);
  font-size: 1.8rem;
}

#login-screen p {
  color: var(--text-muted);
  max-width: 420px;
  text-align: center;
  line-height: 1.6;
  font-size: var(--text-base);
}

#login-screen input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  padding: var(--space-lg) var(--space-lg);
  border-radius: var(--radius);
  font-size: 1rem;
  width: 340px;
  max-width: 90vw;
  text-align: center;
  outline: none;
}

#login-screen input:focus { border-color: var(--accent); }

#login-screen button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: var(--space-lg) var(--space-3xl);
  border-radius: var(--radius);
  font-size: 1rem;
  cursor: pointer;
  font-weight: 600;
}

#login-screen button:hover { background: var(--accent-hover); }

.subtitle {
  font-size: var(--text-xs) !important;
  color: var(--text-muted) !important;
  margin-top: var(--space-md);
}

#chat-screen { display: none; flex: 1; min-height: 0; flex-direction: column; }

/* ── Hamburger menu for mobile ── */
#hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.3rem;
  cursor: pointer;
  padding: var(--space-xs);
}

/* ── People toggle button (mobile) ── */
#people-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: var(--text-2xl);
  cursor: pointer;
  padding: var(--space-xs);
}

/* ── Help Button ── */
#help-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: var(--text-sm);
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
#help-btn:hover { color: var(--accent); border-color: var(--accent); }

#search-toggle {
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  font-size: var(--text-xl);
  padding: var(--space-xs);
}

/* Federation Phase 2 styles */
.fed-badge {
  display: inline-block;
  background: #5865f2;
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  margin-right: 4px;
  vertical-align: middle;
}
.federated-msg { border-left: 2px solid #5865f2; padding-left: 8px; }
.fed-icon { font-size: var(--text-sm); margin-left: 2px; opacity: 0.7; }
.fed-server-status { display: flex; align-items: center; gap: 6px; padding: 2px 8px; font-size: var(--text-sm); }
.fed-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.fed-dot.connected { background: #57f287; }
.fed-dot.disconnected { background: #ed4245; }