/* ===== App shell ===== */
.app-shell {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  flex-shrink: 0;
  padding: 24px 16px;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 8px;
  margin-bottom: 32px;
}
.sidebar-logo-mark {
  width: 32px; height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), #0ea5b8);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  color: #051018;
  font-size: 15px;
  flex-shrink: 0;
}
.sidebar-logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.2;
}
.sidebar-logo-text small {
  display: block;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 11px;
  color: var(--text-faint);
}

.nav-section { margin-bottom: 24px; }
.nav-section-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-faint);
  padding: 0 12px;
  margin-bottom: 8px;
  font-weight: 600;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  text-decoration: none;
  border: 1px solid transparent;
}
.nav-item:hover { background: var(--surface-2); color: var(--text); }
.nav-item.active {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: rgba(34, 211, 238, 0.25);
}
.nav-item svg { width: 17px; height: 17px; flex-shrink: 0; }

.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  margin-bottom: 4px;
}
.sidebar-user-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--surface-2);
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
}
.sidebar-user-info { overflow: hidden; }
.sidebar-user-name {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-user-role {
  font-size: 11px;
  color: var(--text-faint);
  text-transform: capitalize;
}

.main {
  flex: 1;
  min-width: 0;
  padding: 28px 36px 60px;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.page-header h1 { font-size: 22px; }
.page-header p { color: var(--text-dim); font-size: 14px; margin-top: 4px; }

/* ===== Metric cards ===== */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.metric-card {
  padding: 20px;
}
.metric-card-label {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.metric-card-value {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.metric-card-sub {
  font-size: 12px;
  color: var(--text-faint);
  margin-top: 6px;
}

/* ===== Chart card ===== */
.chart-card {
  padding: 24px;
  margin-bottom: 28px;
}
.chart-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.chart-card-header h3 { font-size: 15px; }

/* ===== Panel (generic card) ===== */
.panel { padding: 24px; margin-bottom: 24px; }
.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 12px;
}
.panel-header h3 { font-size: 15px; }

/* ===== Filter bar ===== */
.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 18px;
}
.filter-bar input,
.filter-bar select {
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 8px 12px;
  font-size: 13px;
  font-family: var(--font-body);
}
.filter-bar input:focus,
.filter-bar select:focus {
  outline: none;
  border-color: var(--accent);
}

/* ===== Table ===== */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  text-align: left;
  padding: 10px 14px;
  color: var(--text-faint);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody tr:hover { background: rgba(255, 255, 255, 0.02); }
tbody tr:last-child td { border-bottom: none; }

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-dim);
}
.pagination-controls { display: flex; gap: 6px; }

/* ===== Empty state ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
}
.empty-state-icon {
  width: 48px; height: 48px;
  margin: 0 auto 16px;
  opacity: 0.4;
}
.empty-state h4 { font-size: 15px; margin-bottom: 6px; color: var(--text); }
.empty-state p { font-size: 13px; }

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 14, 0.7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal {
  width: 100%;
  max-width: 440px;
  padding: 28px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal h3 { font-size: 17px; margin-bottom: 4px; }
.modal-sub { color: var(--text-dim); font-size: 13px; margin-bottom: 20px; }
.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* ===== Toast ===== */
.toast-stack {
  position: fixed;
  top: 20px; right: 20px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.toast {
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  min-width: 260px;
  animation: toast-in 0.2s ease;
  border: 1px solid var(--border-strong);
}
.toast-success { border-color: rgba(52, 211, 153, 0.4); background: rgba(19, 24, 37, 0.95); color: var(--success); }
.toast-error { border-color: rgba(248, 113, 113, 0.4); background: rgba(19, 24, 37, 0.95); color: var(--danger); }
@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ===== Mobile ===== */
.menu-toggle { display: none; }

@media (max-width: 880px) {
  .sidebar {
    position: fixed;
    z-index: 90;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    background: var(--bg);
  }
  .sidebar.open { transform: translateX(0); }
  .main { padding: 20px 16px 60px; }
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-strong);
    background: var(--surface);
    margin-bottom: 16px;
    cursor: pointer;
  }
  .sidebar-backdrop {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 80;
  }
  .sidebar-backdrop.open { display: block; }
}