/* ==========================================================================
   CAKRA NOC - Precision Network Telemetry Base Styles
   AntiSlop Standard: Zero slop, functional density, crisp borders, legible type.
   ========================================================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  width: 100%;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-app);
  color: var(--text-primary);
  line-height: 1.45;
  font-size: 13px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.25;
}

h1 { font-size: 1.35rem; }
h2 { font-size: 1.15rem; }
h3 { font-size: 1.0rem; }
h4 { font-size: 0.88rem; }

a {
  color: var(--brand-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover {
  text-decoration: underline;
}

/* Monospace & Tabular Data Standard */
code, pre, .font-mono, .tabular {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

code {
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  color: var(--brand-cyan);
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  font-size: 0.82em;
}

/* Custom Clean Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-app);
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* App Container Layout */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  background-color: var(--bg-app);
  overflow: hidden;
}

/* ==========================================================================
   Top Header Bar (Precision NOC Header)
   ========================================================================== */
.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-md);
  height: 48px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
  z-index: 100;
  gap: var(--space-md);
}

.brand-section {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 0;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  flex-shrink: 0;
}

.app-brand-img {
  height: 28px;
  width: auto;
  max-width: 130px;
  object-fit: contain;
  display: block;
}

/* Logo Theme Switch */
.app-brand-img.logo-light {
  display: none !important;
}
.app-brand-img.logo-dark {
  display: block !important;
}
[data-theme="light"] .app-brand-img.logo-dark {
  display: none !important;
}
[data-theme="light"] .app-brand-img.logo-light {
  display: block !important;
}

/* ==========================================================================
   Grouped Navigation (Compact NOC Tabs)
   ========================================================================== */
.nav-main-groups {
  display: flex;
  align-items: center;
  gap: 3px;
  position: relative;
}

.nav-group {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-standalone-btn,
.nav-group-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0 9px;
  height: 30px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-standalone-btn:hover,
.nav-group-btn:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface-hover);
}

.nav-standalone-btn.active,
.nav-group-btn.group-active {
  color: var(--text-primary);
  font-weight: 600;
  background-color: var(--bg-panel);
  border-color: var(--border-color);
}

.nav-group-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.85;
}
.nav-group-icon svg,
.nav-standalone-btn svg {
  width: 14px;
  height: 14px;
}

.nav-group-label {
  font-size: 0.8rem;
}

.nav-group-chevron {
  transition: transform 0.15s ease;
  opacity: 0.6;
  flex-shrink: 0;
  margin-left: 2px;
}

.nav-group.open .nav-group-chevron {
  transform: rotate(180deg);
  opacity: 1;
}

/* Dropdown Menu for Sub-tabs */
.nav-subtab-panel {
  display: none;
  position: absolute;
  top: 36px;
  left: 0;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
  z-index: 200;
  min-width: 180px;
  padding: 4px;
  flex-direction: column;
  gap: 2px;
}

.nav-group.open .nav-subtab-panel {
  display: flex;
}

.nav-subtab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 10px;
  height: 30px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-align: left;
}

.nav-subtab-btn svg {
  width: 14px;
  height: 14px;
  opacity: 0.8;
}

.nav-subtab-btn:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface-hover);
}

.nav-subtab-btn.active {
  color: var(--brand-cyan);
  background-color: var(--bg-panel);
  border-color: var(--border-color);
  font-weight: 600;
}

/* Header Right Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

/* Status Indicator (WebSocket) */
.ws-status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  padding: 3px 8px;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.ws-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--status-unknown);
  flex-shrink: 0;
}

.ws-dot.connected {
  background-color: var(--status-up);
}

.ws-dot.disconnected {
  background-color: var(--status-down);
}

.user-profile-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-primary);
  padding: 0 4px;
}

.user-role-tag {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 1px 5px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-panel);
  border: 1px solid var(--border-color);
  color: var(--brand-cyan);
  font-family: var(--font-mono);
}

/* ==========================================================================
   Quick Stats Bar (Streamlined Global Telemetry Strip)
   ========================================================================== */
.quick-stats-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px var(--space-md);
  background-color: var(--bg-panel);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
  font-size: 0.76rem;
  min-height: 28px;
}

.stats-group {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 500;
}

.stat-val {
  font-weight: 600;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
}

.stat-val.up { color: var(--status-up); }
.stat-val.warning { color: var(--status-warning); }
.stat-val.down { color: var(--status-down); }

/* Main Content Area */
.main-content {
  flex: 1;
  overflow: hidden;
  position: relative;
  background-color: var(--bg-app);
}

.tab-view {
  display: none;
  width: 100%;
  height: 100%;
  overflow-y: auto;
}

.tab-view.active {
  display: block;
}

/* ==========================================================================
   Buttons (Crisp Precision Buttons)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 12px;
  height: 30px;
  font-size: 0.78rem;
  font-weight: 500;
  font-family: inherit;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:active {
  transform: scale(0.99);
}

.btn-primary {
  background-color: var(--brand-primary);
  color: var(--brand-primary-text);
  border-color: var(--brand-primary);
  font-weight: 600;
}
.btn-primary:hover {
  background-color: var(--brand-primary-hover);
  border-color: var(--brand-primary-hover);
}

.btn-secondary {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-color);
}
.btn-secondary:hover {
  background-color: var(--bg-surface-hover);
  border-color: var(--text-muted);
}

.btn-danger {
  background-color: var(--status-down-bg);
  color: var(--status-down);
  border-color: var(--status-down-border);
}
.btn-danger:hover {
  background-color: var(--status-down);
  color: #ffffff;
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary);
  border-color: transparent;
}
.btn-ghost:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
}

.btn-sm {
  height: 26px;
  padding: 0 8px;
  font-size: 0.74rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Status Badges (Standardized NOC Tags)
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 2px 7px;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  border: 1px solid;
  line-height: 1.2;
}

.badge-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: currentColor;
}

.badge-up {
  background-color: var(--status-up-bg);
  color: var(--status-up);
  border-color: var(--status-up-border);
}

.badge-warning {
  background-color: var(--status-warning-bg);
  color: var(--status-warning);
  border-color: var(--status-warning-border);
}

.badge-down {
  background-color: var(--status-down-bg);
  color: var(--status-down);
  border-color: var(--status-down-border);
}

.badge-unknown {
  background-color: var(--status-unknown-bg);
  color: var(--status-unknown);
  border-color: var(--status-unknown-border);
}

.badge-info {
  background-color: var(--status-info-bg);
  color: var(--status-info);
  border-color: var(--status-info-border);
}

/* ==========================================================================
   Modal Dialog Primitive (Clean Precision Dialog)
   ========================================================================== */
.modal-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background-color: rgba(9, 13, 22, 0.75);
  backdrop-filter: blur(2px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal-backdrop.open {
  display: flex;
}

.modal-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 94%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.modal-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  line-height: 1;
  border-radius: var(--radius-sm);
  padding: 4px;
  transition: color var(--transition-fast);
}
.modal-close-btn:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 16px 18px;
}

.modal-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-panel);
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

/* ==========================================================================
   Form Controls
   ========================================================================== */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: 0.76rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 5px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  height: 32px;
  padding: 0 10px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.82rem;
  transition: border-color var(--transition-fast);
}

.form-textarea {
  height: auto;
  min-height: 70px;
  padding: 8px 10px;
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--text-muted);
}

.form-select option {
  background-color: var(--bg-surface);
  color: var(--text-primary);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
}

/* ==========================================================================
   Unified Data Tables (NOC Precision Tables)
   ========================================================================== */
.table-container,
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
}

table,
.table,
.flat-table,
.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.82rem;
}

table thead th,
.table thead th,
.flat-table th,
.data-table th {
  height: 34px;
  padding: 0 12px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  background-color: var(--bg-panel);
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
  white-space: nowrap;
}

table tbody tr,
.table tbody tr,
.flat-table tbody tr,
.data-table tbody tr {
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-fast);
}

table tbody tr:last-child,
.table tbody tr:last-child,
.flat-table tr:last-child td,
.data-table tr:last-child td {
  border-bottom: none;
}

table tbody tr:hover,
.table tbody tr:hover,
.flat-table tbody tr:hover,
.data-table tbody tr:hover {
  background-color: var(--bg-surface-hover);
}

table tbody td,
.table tbody td,
.flat-table td,
.data-table td {
  padding: 8px 12px;
  vertical-align: middle;
  color: var(--text-primary);
  font-size: 0.82rem;
}

/* ==========================================================================
   Cards & Containers (Flat Solid Surfaces)
   ========================================================================== */
.card,
.shadcn-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.card-header {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: var(--space-sm);
}

.card-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.card-description {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.card-content {
  color: var(--text-primary);
}

.card-footer {
  display: flex;
  align-items: center;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--border-subtle);
  margin-top: var(--space-sm);
}

/* Technical Tool Buttons */
.tool-btn {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 5px 9px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all var(--transition-fast);
}

.tool-btn:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
  border-color: var(--text-muted);
}

.tool-btn.active {
  background-color: var(--bg-panel);
  border-color: var(--brand-cyan);
  color: var(--text-primary);
  font-weight: 600;
}