/* =======================================================
   layout.css — Sidebar + Main content
   ======================================================= */

/* --- App shell --- */
#screen-dashboard {
  flex-direction: row;
  background: var(--bg);
}

/* -------------------------------------------------------
   SIDEBAR
   ------------------------------------------------------- */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-header {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--border);
}
.sidebar-logo {
  display: flex; align-items: center; gap: 9px;
  margin-bottom: 10px;
}
.sidebar-logo-mark {
  width: 28px; height: 28px;
  background: var(--accent);
  border-radius: var(--r-sm);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.sidebar-logo-mark svg { width: 14px; height: 14px; }
.sidebar-logo-name {
  font-family: var(--mono);
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
}
.sidebar-admin-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 8px;
  background: var(--red-dim);
  border: 1px solid rgba(239,68,68,0.2);
  border-radius: 20px;
  font-family: var(--mono);
  font-size: 9px; letter-spacing: 0.1em;
  color: var(--red); text-transform: uppercase;
}
.sidebar-admin-dot {
  width: 5px; height: 5px;
  border-radius: 50%; background: var(--red);
}

/* Nav links */
.sidebar-nav {
  flex: 1; padding: 12px 8px;
  display: flex; flex-direction: column; gap: 2px;
  overflow-y: auto;
}
.nav-section-label {
  font-family: var(--mono);
  font-size: 9px; letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 8px 8px 4px;
  margin-top: 4px;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  font-size: 13px; color: var(--text-muted);
  transition: all var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
  user-select: none;
}
.nav-item svg { width: 15px; height: 15px; flex-shrink: 0; opacity: 0.6; }
.nav-item:hover {
  color: var(--text);
  background: var(--surface2);
}
.nav-item:hover svg { opacity: 1; }
.nav-item.active {
  color: var(--accent);
  background: var(--accent-dim);
  border-color: rgba(245,158,11,0.15);
}
.nav-item.active svg { opacity: 1; }

/* Badge đếm (số user online, v.v.) */
.nav-badge {
  margin-left: auto;
  padding: 2px 7px;
  background: var(--surface3);
  border-radius: 10px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-dim);
  min-width: 20px;
  text-align: center;
}
.nav-badge.live {
  background: var(--green-dim);
  color: var(--green);
}

/* Footer sidebar */
.sidebar-footer {
  padding: 12px 8px;
  border-top: 1px solid var(--border);
}
.sidebar-user {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 10px;
  border-radius: var(--r-sm);
}
.sidebar-user-avatar {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid rgba(245,158,11,0.25);
  display: grid; place-items: center;
  font-family: var(--mono);
  font-size: 10px; font-weight: 600;
  color: var(--accent); flex-shrink: 0;
}
.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name {
  font-size: 12px; font-weight: 500;
  color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.sidebar-user-role {
  font-family: var(--mono);
  font-size: 9px; color: var(--text-dim);
  letter-spacing: 0.06em; text-transform: uppercase;
}
.btn-sidebar-logout {
  width: 26px; height: 26px;
  border-radius: var(--r-sm);
  display: grid; place-items: center;
  color: var(--text-dim);
  transition: all var(--transition);
  flex-shrink: 0;
}
.btn-sidebar-logout svg { width: 14px; height: 14px; }
.btn-sidebar-logout:hover { color: var(--red); background: var(--red-dim); }

/* -------------------------------------------------------
   MAIN CONTENT
   ------------------------------------------------------- */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* Topbar trong main */
.main-topbar {
  flex-shrink: 0;
  height: 52px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 24px; gap: 12px;
}
.main-topbar-title {
  font-size: 15px; font-weight: 600;
  color: var(--text);
}
.main-topbar-sub {
  font-size: 12px; color: var(--text-dim);
}
.main-topbar-spacer { flex: 1; }

/* Nội dung panel cuộn được */
.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.panel-body::-webkit-scrollbar { width: 4px; }
.panel-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* Stat cards hàng trên cùng */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 16px 18px;
}
.stat-card-label {
  font-family: var(--mono);
  font-size: 10px; letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.stat-card-value {
  font-size: 28px; font-weight: 600;
  color: var(--text); line-height: 1;
  margin-bottom: 4px;
}
.stat-card-sub {
  font-size: 11px; color: var(--text-dim);
}
.stat-card.accent .stat-card-value { color: var(--accent); }
.stat-card.green  .stat-card-value { color: var(--green); }
.stat-card.red    .stat-card-value { color: var(--red); }
.stat-card.purple .stat-card-value { color: var(--purple); }