/* ==========================================================================
   ST-Aviation MRO System - Custom Overrides
   Brand identity, typography, and UX refinements on Metronic 8 / Bootstrap 5
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Brand Color Palette (CSS Custom Properties)
   -------------------------------------------------------------------------- */
:root {
    /* Primary: Deep navy blue - aviation authority/trust */
    --sta-primary: #1B2A4A;
    --sta-primary-light: #2A3F6B;
    --sta-primary-lighter: #E8EDF5;
    --sta-primary-rgb: 27, 42, 74;

    /* Accent: Bright sky blue - clarity/precision */
    --sta-accent: #0EA5E9;
    --sta-accent-light: #38BDF8;
    --sta-accent-lighter: #E0F2FE;
    --sta-accent-rgb: 14, 165, 233;

    /* Success: Emerald - confirmed/approved */
    --sta-success: #10B981;
    --sta-success-light: #34D399;
    --sta-success-lighter: #D1FAE5;

    /* Danger: Crimson - AOG/urgent */
    --sta-danger: #EF4444;
    --sta-danger-light: #F87171;
    --sta-danger-lighter: #FEE2E2;

    /* Warning: Amber - expiring/attention */
    --sta-warning: #F59E0B;
    --sta-warning-light: #FBBF24;
    --sta-warning-lighter: #FEF3C7;

    /* Neutrals: Slate gray scale */
    --sta-gray-50: #F8FAFC;
    --sta-gray-100: #F1F5F9;
    --sta-gray-200: #E2E8F0;
    --sta-gray-300: #CBD5E1;
    --sta-gray-400: #94A3B8;
    --sta-gray-500: #64748B;
    --sta-gray-600: #475569;
    --sta-gray-700: #334155;
    --sta-gray-800: #1E293B;
    --sta-gray-900: #0F172A;

    /* Typography */
    --sta-font-heading: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
    --sta-font-body: "DM Sans", "Inter", system-ui, sans-serif;
}

/* Override Bootstrap/Metronic CSS variables */
[data-bs-theme="light"] {
    --bs-primary: var(--sta-primary);
    --bs-primary-rgb: var(--sta-primary-rgb);
    --bs-success: var(--sta-success);
    --bs-danger: var(--sta-danger);
    --bs-warning: var(--sta-warning);
    --bs-info: var(--sta-accent);
}

/* --------------------------------------------------------------------------
   2. Typography
   -------------------------------------------------------------------------- */
body {
    font-family: var(--sta-font-body);
}

h1, h2, h3, h4, h5, h6,
.fs-1, .fs-2, .fs-2x, .fs-2hx, .fs-3,
.card-title,
.menu-section,
.fw-bolder {
    font-family: var(--sta-font-heading);
}

/* --------------------------------------------------------------------------
   3. Primary Color Overrides
   -------------------------------------------------------------------------- */
.btn-primary {
    background-color: var(--sta-primary) !important;
    border-color: var(--sta-primary) !important;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--sta-primary-light) !important;
    border-color: var(--sta-primary-light) !important;
}

.bg-primary {
    background-color: var(--sta-primary) !important;
}

.text-primary {
    color: var(--sta-primary) !important;
}

.bg-light-primary {
    background-color: var(--sta-primary-lighter) !important;
}

.badge-light-primary {
    color: var(--sta-primary) !important;
    background-color: var(--sta-primary-lighter) !important;
}

.btn-light-primary {
    color: var(--sta-primary) !important;
    background-color: var(--sta-primary-lighter) !important;
}

.btn-light-primary:hover,
.btn-light-primary:focus {
    color: #fff !important;
    background-color: var(--sta-primary) !important;
}

.text-hover-primary:hover {
    color: var(--sta-accent) !important;
}

.btn-active-color-primary:hover,
.btn-active-color-primary:focus,
.btn-active-color-primary.active {
    color: var(--sta-accent) !important;
}

/* Info -> Accent blue */
.bg-light-info {
    background-color: var(--sta-accent-lighter) !important;
}

.badge-light-info {
    color: var(--sta-accent) !important;
    background-color: var(--sta-accent-lighter) !important;
}

.btn-light-info {
    color: var(--sta-accent) !important;
    background-color: var(--sta-accent-lighter) !important;
}

.btn-light-info:hover,
.btn-light-info:focus {
    color: #fff !important;
    background-color: var(--sta-accent) !important;
}

/* Success */
.btn-success {
    background-color: var(--sta-success) !important;
    border-color: var(--sta-success) !important;
}

.bg-light-success {
    background-color: var(--sta-success-lighter) !important;
}

.badge-light-success {
    color: var(--sta-success) !important;
    background-color: var(--sta-success-lighter) !important;
}

.btn-light-success {
    color: var(--sta-success) !important;
    background-color: var(--sta-success-lighter) !important;
}

.btn-light-success:hover,
.btn-light-success:focus {
    color: #fff !important;
    background-color: var(--sta-success) !important;
}

/* Danger */
.btn-danger {
    background-color: var(--sta-danger) !important;
    border-color: var(--sta-danger) !important;
}

.bg-light-danger {
    background-color: var(--sta-danger-lighter) !important;
}

.badge-light-danger {
    color: var(--sta-danger) !important;
    background-color: var(--sta-danger-lighter) !important;
}

.btn-light-danger {
    color: var(--sta-danger) !important;
    background-color: var(--sta-danger-lighter) !important;
}

.btn-light-danger:hover,
.btn-light-danger:focus {
    color: #fff !important;
    background-color: var(--sta-danger) !important;
}

/* Warning */
.btn-warning {
    background-color: var(--sta-warning) !important;
    border-color: var(--sta-warning) !important;
}

.bg-light-warning {
    background-color: var(--sta-warning-lighter) !important;
}

.badge-light-warning {
    color: var(--sta-warning) !important;
    background-color: var(--sta-warning-lighter) !important;
}

.btn-light-warning {
    color: var(--sta-warning) !important;
    background-color: var(--sta-warning-lighter) !important;
}

.btn-light-warning:hover,
.btn-light-warning:focus {
    color: #fff !important;
    background-color: var(--sta-warning) !important;
}

/* --------------------------------------------------------------------------
   4. Card Styling
   -------------------------------------------------------------------------- */
.card {
    border: 1px solid var(--sta-gray-200);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
    border-radius: 0.75rem;
}

.card:hover {
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.04), 0 2px 4px rgba(0, 0, 0, 0.02);
}

.card-header {
    border-bottom: 1px solid var(--sta-gray-200);
    background: transparent;
}

.card-header .card-title {
    font-weight: 700;
    font-size: 1rem;
    color: var(--sta-gray-800);
}

/* --------------------------------------------------------------------------
   5. Sidebar Branding
   -------------------------------------------------------------------------- */
.app-sidebar {
    background-color: var(--sta-primary) !important;
}

.app-sidebar .menu-icon i {
    color: var(--sta-gray-300) !important;
}

.app-sidebar .menu-link:hover .menu-icon i,
.app-sidebar .menu-link.active .menu-icon i {
    color: #fff !important;
}

.app-sidebar .menu-link.active {
    background-color: rgba(255, 255, 255, 0.1) !important;
}

.app-sidebar .separator {
    border-color: rgba(255, 255, 255, 0.1) !important;
}

/* AOG button in sidebar keeps its danger color */
.app-sidebar .bg-light-danger {
    background-color: rgba(239, 68, 68, 0.15) !important;
}

.app-sidebar .bg-light-danger .menu-icon i {
    color: var(--sta-danger-light) !important;
}

/* --------------------------------------------------------------------------
   6. Header Branding
   -------------------------------------------------------------------------- */
.app-header {
    background-color: #fff;
    border-bottom: 1px solid var(--sta-gray-200);
}

/* User avatar circle */
.symbol-label.bg-light-primary {
    background-color: var(--sta-primary-lighter) !important;
    color: var(--sta-primary) !important;
}

/* --------------------------------------------------------------------------
   7. Timeline Component (from quote_detail_metronic.html)
   -------------------------------------------------------------------------- */
.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline-item {
    position: relative;
    padding-bottom: 20px;
}

.timeline-item:before {
    content: '';
    position: absolute;
    left: -21px;
    top: 10px;
    height: 100%;
    width: 2px;
    background: var(--sta-gray-200);
}

.timeline-item:last-child:before {
    display: none;
}

.timeline-marker {
    position: absolute;
    left: -25px;
    top: 5px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

/* --------------------------------------------------------------------------
   8. Empty State Component
   -------------------------------------------------------------------------- */
.empty-state {
    text-align: center;
    padding: 3rem 1.5rem;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    opacity: 0.5;
}

.empty-state-title {
    font-family: var(--sta-font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--sta-gray-700);
    margin-bottom: 0.5rem;
}

.empty-state-message {
    color: var(--sta-gray-500);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
}

/* --------------------------------------------------------------------------
   9. KPI Stat Cards
   -------------------------------------------------------------------------- */
.sta-kpi-card {
    position: relative;
    overflow: hidden;
    transition: transform 0.15s ease;
}

.sta-kpi-card:hover {
    transform: translateY(-2px);
}

.sta-kpi-card .kpi-value {
    font-family: var(--sta-font-heading);
    font-weight: 800;
    font-size: 1.75rem;
    line-height: 1.2;
}

.sta-kpi-card .kpi-label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--sta-gray-500);
}

.sta-kpi-card .kpi-trend {
    font-size: 0.8rem;
    font-weight: 600;
}

.sta-kpi-card .kpi-trend.up {
    color: var(--sta-success);
}

.sta-kpi-card .kpi-trend.down {
    color: var(--sta-danger);
}

/* AOG pulsing indicator */
@keyframes aog-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.aog-pulse {
    animation: aog-pulse 2s ease-in-out infinite;
}

/* Circular progress indicator */
.circular-progress {
    position: relative;
    width: 48px;
    height: 48px;
}

.circular-progress svg {
    transform: rotate(-90deg);
}

.circular-progress .progress-value {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--sta-font-heading);
    font-weight: 700;
    font-size: 0.7rem;
    color: var(--sta-gray-700);
}

/* --------------------------------------------------------------------------
   10. Layout Spacing Overrides (preserved from original)
   -------------------------------------------------------------------------- */

/* Prevent the page element from growing beyond header height */
#kt_app_page.app-page {
    flex: 0 0 auto !important;
}

/* Set wrapper margin to match sidebar start (header height = 100px) */
#kt_app_wrapper.app-wrapper {
    margin-top: 100px !important;
}

/* Reduce the toolbar padding */
#kt_app_toolbar.app-toolbar {
    padding-top: 0.5rem !important;
    padding-bottom: 0.5rem !important;
}

/* Align sidebar menu with content */
#kt_aside_menu_wrapper.app-sidebar-menu {
    padding-top: 0.5rem !important;
    margin-top: 0 !important;
}

/* Ensure content area has minimal top padding */
#kt_app_content.app-content {
    padding-top: 0 !important;
}

/* --------------------------------------------------------------------------
   11. Dark Mode Adjustments
   -------------------------------------------------------------------------- */
[data-bs-theme="dark"] {
    --sta-primary: #2A3F6B;
    --sta-primary-light: #3B5998;
    --sta-primary-lighter: #1E293B;
    --sta-gray-200: #334155;
    --sta-gray-800: #F1F5F9;
}

[data-bs-theme="dark"] .card {
    border-color: var(--sta-gray-200);
    background-color: #1E293B;
}

[data-bs-theme="dark"] .app-header {
    background-color: #0F172A;
    border-bottom-color: #334155;
}