/* ==========================================================================
   Enterprise SaaS UI Components
   Wati.io Reference Standard - High legibility, crisp borders, subtle elevation
   ========================================================================== */

/* App Container Layout */
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--slate-50);
}

/* 1. Global Header */
.top-header {
  height: var(--header-height);
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--slate-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 40;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--slate-900);
  letter-spacing: -0.02em;
}

.brand-logo svg {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-md);
}

.tenant-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--slate-100);
  border: 1px solid var(--slate-200);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--slate-700);
}

.tenant-pill .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--primary-600);
  box-shadow: 0 0 0 2px var(--primary-100);
}

.header-center-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--slate-100);
  padding: 4px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--slate-200);
}

.nav-tab-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--slate-600);
  transition: all 0.15s ease;
}

.nav-tab-btn:hover {
  color: var(--slate-900);
  background: rgba(255, 255, 255, 0.6);
}

.nav-tab-btn.active {
  background: #FFFFFF;
  color: var(--slate-900);
  box-shadow: var(--shadow-sm);
}

.nav-tab-btn .badge-counter {
  background: var(--slate-200);
  color: var(--slate-700);
  padding: 2px 6px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
}

.nav-tab-btn.active .badge-counter {
  background: var(--primary-100);
  color: var(--primary-800);
}

.header-right-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 2. Sub-Header Tenant Bar */
.tenant-status-bar {
  background: #FFFFFF;
  border-bottom: 1px solid var(--slate-200);
  padding: 8px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

.meta-health-group {
  display: flex;
  align-items: center;
  gap: 20px;
}

.meta-health-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--slate-600);
}

.meta-health-item strong {
  color: var(--slate-900);
}

.green-tick {
  color: #00E785;
  display: inline-flex;
  align-items: center;
}

.window-countdown {
  background: #FFFBEB;
  color: #B45309;
  border: 1px solid #FDE68A;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.78rem;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* 3. Main Views Container */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.view-panel {
  display: none;
  flex: 1;
  padding: 24px;
}

.view-panel.active {
  display: flex;
  flex-direction: column;
}

/* Views that need zero outer padding for full bleed (e.g. Inbox) */
.view-panel.view-fullbleed {
  padding: 0;
  height: calc(100vh - var(--header-height) - var(--tenant-bar-height));
  overflow: hidden;
}

/* 4. Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary-500);
  color: #0B3824;
  border: 1px solid rgba(0,0,0,0.06);
  font-weight: 700;
}

.btn-primary:hover {
  background: var(--primary-600);
  color: #FFFFFF;
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background: #FFFFFF;
  color: var(--slate-700);
  border: 1px solid var(--slate-300);
}

.btn-secondary:hover {
  background: var(--slate-100);
  color: var(--slate-900);
  border-color: var(--slate-400);
}

.btn-dark {
  background: var(--slate-900);
  color: #FFFFFF;
}

.btn-dark:hover {
  background: var(--slate-800);
}

.btn-danger {
  background: #FEF2F2;
  color: var(--color-danger);
  border: 1px solid #FECACA;
}

.btn-danger:hover {
  background: var(--color-danger);
  color: #FFFFFF;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-200);
  background: #FFFFFF;
  color: var(--slate-700);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-icon:hover {
  background: var(--slate-100);
  color: var(--slate-900);
}

/* 5. Badges & Tags */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.2;
}

.badge-green {
  background: var(--primary-50);
  color: var(--primary-800);
  border: 1px solid var(--primary-200);
}

.badge-blue {
  background: #EFF6FF;
  color: #1D4ED8;
  border: 1px solid #BFDBFE;
}

.badge-purple {
  background: #FAF5FF;
  color: #7E22CE;
  border: 1px solid #E9D5FF;
}

.badge-amber {
  background: #FFFBEB;
  color: #B45309;
  border: 1px solid #FDE68A;
}

.badge-red {
  background: #FEF2F2;
  color: #B91C1C;
  border: 1px solid #FECACA;
}

.badge-slate {
  background: var(--slate-100);
  color: var(--slate-700);
  border: 1px solid var(--slate-200);
}

/* 6. Metric Cards */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.metric-card {
  background: #FFFFFF;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.metric-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--slate-500);
  font-size: 0.85rem;
  font-weight: 600;
}

.metric-icon-wrap {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--slate-100);
  color: var(--slate-700);
}

.metric-value {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--slate-900);
  letter-spacing: -0.02em;
}

.metric-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--slate-500);
}

.metric-trend-up {
  color: #059669;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 3px;
}

.metric-trend-down {
  color: #DC2626;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 3px;
}

/* 7. Enterprise Content Cards & Grids */
.panel-card {
  background: #FFFFFF;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: var(--shadow-xs);
}

.panel-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--slate-200);
}

.panel-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--slate-900);
}

.panel-subtitle {
  font-size: 0.85rem;
  color: var(--slate-500);
  margin-top: 2px;
}

/* 8. Tables */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.enterprise-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  text-align: left;
}

.enterprise-table th {
  background: var(--slate-50);
  padding: 12px 16px;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--slate-500);
  border-bottom: 1px solid var(--slate-200);
  border-top: 1px solid var(--slate-200);
}

.enterprise-table td {
  padding: 14px 16px;
  font-size: 0.9rem;
  color: var(--slate-800);
  border-bottom: 1px solid var(--slate-200);
  vertical-align: middle;
}

.enterprise-table tr:hover td {
  background-color: var(--slate-50);
}

/* 9. Forms & Inputs */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--slate-700);
}

.form-control {
  width: 100%;
  padding: 9px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--slate-300);
  background: #FFFFFF;
  color: var(--slate-900);
  font-size: 0.9rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-600);
  box-shadow: 0 0 0 3px rgba(0, 231, 133, 0.2);
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

/* 10. Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.show {
  display: flex !important;
  z-index: 99999 !important;
}

.modal-card {
  background: #FFFFFF;
  border-radius: var(--radius-xl);
  border: 1px solid var(--slate-200);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--slate-200);
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--slate-200);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background: var(--slate-50);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--slate-900);
  color: #FFFFFF;
  padding: 12px 18px;
  border-radius: var(--radius-lg);
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideUp 0.2s ease-out;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}