/* ==========================================================================
   AEGIS Data Portal — Editorial Scientific Design System
   Aligned with aegisearth.bio (light theme, mossy teal accent)
   ========================================================================== */

/* --------------------------------------------------------------------------
   Google Fonts Import
   -------------------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
    /* Surfaces — light, paper-like */
    --aegis-bg-deep:     #F2F0EA;   /* deepest tint, used for hero / contrast bands */
    --aegis-bg-primary:  #FFFFFF;   /* page background */
    --aegis-bg-elevated: #FAFAF7;   /* section background */
    --aegis-bg-card:     #FFFFFF;   /* card background */
    --aegis-bg-hover:    #F2F0EA;   /* hover surface */

    /* Brand — mossy teal-green (matches aegisearth.bio #4E6B66) */
    --aegis-accent-primary:   #4E6B66;
    --aegis-accent-secondary: #3E5651;
    --aegis-accent-muted:     #8FA5A1;
    --aegis-accent-glow:      rgba(78, 107, 102, 0.12);
    --aegis-accent-soft:      #E8EEED;

    /* Earth tones for status/categories — anchored in new palette */
    --aegis-earth-sage:       #6B8E5A;
    --aegis-earth-terracotta: #B45A4A;
    --aegis-earth-slate:      #6B7C8A;
    --aegis-earth-ochre:      #A87A2E;
    --aegis-earth-moss:       #4E6B66;

    /* Text */
    --aegis-text-primary:   #2D2D29;
    --aegis-text-secondary: #5B5B57;
    --aegis-text-muted:     #8C8C87;
    --aegis-text-accent:    var(--aegis-accent-primary);
    --aegis-text-inverse:   #FFFFFF;

    /* Borders & Lines */
    --aegis-border-subtle: rgba(45, 45, 41, 0.08);
    --aegis-border-medium: rgba(45, 45, 41, 0.16);
    --aegis-border-accent: rgba(78, 107, 102, 0.4);

    /* Typography */
    --font-display: 'Fraunces', Georgia, serif;
    --font-body:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono:    'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing Scale */
    --space-xs:  0.25rem;
    --space-sm:  0.5rem;
    --space-md:  1rem;
    --space-lg:  1.5rem;
    --space-xl:  2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows — soft, paper-like */
    --shadow-sm: 0 1px 2px rgba(45, 45, 41, 0.04);
    --shadow-md: 0 2px 8px rgba(45, 45, 41, 0.06);
    --shadow-lg: 0 8px 24px rgba(45, 45, 41, 0.08);
    --shadow-glow: 0 0 0 4px var(--aegis-accent-glow);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 10px;
    --radius-xl: 14px;
}

/* --------------------------------------------------------------------------
   Base Reset & Global Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--aegis-text-primary);
    background: var(--aegis-bg-primary);
    margin: 0;
    min-height: 100vh;
}

/* --------------------------------------------------------------------------
   Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.1;
    color: var(--aegis-text-primary);
    margin-top: 0;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.875rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.5rem, 2.5vw, 2rem); }
h4 { font-size: 1.375rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-top: 0;
    margin-bottom: var(--space-md);
    color: var(--aegis-text-secondary);
}

a {
    color: var(--aegis-accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--aegis-accent-secondary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* --------------------------------------------------------------------------
   Navigation Bar
   -------------------------------------------------------------------------- */
.navbar {
    background: var(--aegis-bg-primary) !important;
    border-bottom: 1px solid var(--aegis-border-subtle);
    padding: var(--space-md) var(--space-xl);
    position: sticky;
    top: 0;
    z-index: 1050;
}

/* Keep Leaflet controls below the sticky navbar */
.leaflet-top,
.leaflet-bottom {
    z-index: 999 !important;
}

.navbar-brand {
    font-family: var(--font-display) !important;
    font-size: 1.5rem !important;
    font-weight: 500 !important;
    color: var(--aegis-text-primary) !important;
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.navbar-brand img {
    opacity: 0.95;
    transition: opacity var(--transition-fast);
}

.navbar-brand:hover img {
    opacity: 1;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--aegis-text-primary) !important;
    letter-spacing: 0;
    padding: var(--space-sm) var(--space-md) !important;
    position: relative;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--space-md);
    right: var(--space-md);
    height: 2px;
    background: var(--aegis-accent-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.nav-link:hover {
    color: var(--aegis-accent-primary) !important;
    text-decoration: none !important;
}

.nav-link:hover::after {
    transform: scaleX(1);
}

.navbar-toggler {
    border-color: var(--aegis-border-medium) !important;
}

/* --------------------------------------------------------------------------
   Container Overrides
   -------------------------------------------------------------------------- */
.container, .container-fluid {
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
}

@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

/* --------------------------------------------------------------------------
   Cards — Hairline Editorial Style
   -------------------------------------------------------------------------- */
.card {
    background: var(--aegis-bg-card);
    border: 1px solid var(--aegis-border-subtle);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--aegis-border-medium);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--aegis-border-subtle);
    padding: var(--space-lg);
    font-family: var(--font-display);
}

.card-header h3 {
    margin: 0;
    font-size: 1.5rem;
    color: var(--aegis-text-primary);
}

.card-body {
    padding: var(--space-lg);
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 500;
    color: var(--aegis-text-primary);
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.card-text {
    color: var(--aegis-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.card-footer {
    background: var(--aegis-bg-elevated);
    border-top: 1px solid var(--aegis-border-subtle);
    padding: var(--space-md) var(--space-lg);
}

.card-img, .card-img-top {
    border-radius: 0;
    transition: opacity var(--transition-base);
}

/* --------------------------------------------------------------------------
   Buttons — Solid Brand, Editorial Outline
   -------------------------------------------------------------------------- */
.btn {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-dark, .btn-primary {
    background: var(--aegis-accent-primary);
    color: var(--aegis-text-inverse);
    border-color: var(--aegis-accent-primary);
}

.btn-dark:hover, .btn-primary:hover {
    background: var(--aegis-accent-secondary);
    border-color: var(--aegis-accent-secondary);
    color: var(--aegis-text-inverse);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--aegis-text-primary);
    border: 1px solid var(--aegis-border-medium);
}

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

.btn-outline-primary {
    background: transparent;
    color: var(--aegis-accent-primary);
    border: 1px solid var(--aegis-accent-primary);
}

.btn-outline-primary:hover {
    background: var(--aegis-accent-primary);
    color: var(--aegis-text-inverse);
}

/* --------------------------------------------------------------------------
   Badges — Status Indicators
   -------------------------------------------------------------------------- */
.badge {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.35em 0.75em;
    border-radius: 100px;
    display: inline-flex;
    align-items: center;
    gap: 0.35em;
}

.badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.7;
}

/* Pipeline-stage badge palette */
.badge.bg-secondary {
    background: rgba(107, 124, 138, 0.12) !important;
    color: var(--aegis-earth-slate);
    border: 1px solid rgba(107, 124, 138, 0.25);
}

.badge.bg-primary {
    background: var(--aegis-accent-soft) !important;
    color: var(--aegis-accent-primary);
    border: 1px solid var(--aegis-border-accent);
}

.badge.bg-success {
    background: rgba(107, 142, 90, 0.12) !important;
    color: var(--aegis-earth-sage);
    border: 1px solid rgba(107, 142, 90, 0.25);
}

.badge.bg-warning {
    background: rgba(168, 122, 46, 0.12) !important;
    color: var(--aegis-earth-ochre);
    border: 1px solid rgba(168, 122, 46, 0.25);
}

.badge.bg-danger {
    background: rgba(180, 90, 74, 0.12) !important;
    color: var(--aegis-earth-terracotta);
    border: 1px solid rgba(180, 90, 74, 0.25);
}

.badge.bg-info {
    background: rgba(78, 107, 102, 0.12) !important;
    color: var(--aegis-earth-moss);
    border: 1px solid rgba(78, 107, 102, 0.25);
}

/* --------------------------------------------------------------------------
   Form Controls — Search & Filters
   -------------------------------------------------------------------------- */
.form-control, input[type="text"] {
    font-family: var(--font-body);
    font-size: 0.95rem;
    background: var(--aegis-bg-primary);
    border: 1px solid var(--aegis-border-medium);
    border-radius: var(--radius-md);
    color: var(--aegis-text-primary);
    padding: var(--space-sm) var(--space-md);
    transition: all var(--transition-fast);
}

.form-control:focus, input[type="text"]:focus {
    background: var(--aegis-bg-primary);
    border-color: var(--aegis-accent-primary);
    box-shadow: var(--shadow-glow);
    outline: none;
    color: var(--aegis-text-primary);
}

.form-control::placeholder {
    color: var(--aegis-text-muted);
    font-style: italic;
}

/* Checkboxes */
.form-check-input {
    background-color: var(--aegis-bg-primary);
    border: 1px solid var(--aegis-border-medium);
    border-radius: var(--radius-sm);
    width: 1.1em;
    height: 1.1em;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.form-check-input:checked {
    background-color: var(--aegis-accent-primary);
    border-color: var(--aegis-accent-primary);
}

.form-check-input:focus {
    box-shadow: var(--shadow-glow);
    border-color: var(--aegis-accent-primary);
}

.form-check-label {
    color: var(--aegis-text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.form-check:hover .form-check-label {
    color: var(--aegis-text-primary);
}

/* --------------------------------------------------------------------------
   Tables — Data Display
   -------------------------------------------------------------------------- */
.table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--aegis-text-primary);
    --bs-table-border-color: var(--aegis-border-subtle);
    --bs-table-striped-bg: rgba(45, 45, 41, 0.02);
    --bs-table-hover-bg: var(--aegis-accent-soft);

    font-size: 0.9rem;
    border-collapse: separate;
    border-spacing: 0;
}

.table thead th {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--aegis-text-muted);
    background: var(--aegis-bg-elevated);
    border-bottom: 1px solid var(--aegis-border-medium);
    padding: var(--space-md);
    white-space: nowrap;
}

.table tbody td {
    padding: var(--space-md);
    vertical-align: middle;
    border-bottom: 1px solid var(--aegis-border-subtle);
    color: var(--aegis-text-secondary);
}

.table tbody tr {
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background-color: var(--bs-table-hover-bg) !important;
}

.table tbody tr:hover td {
    color: var(--aegis-text-primary);
}

.table a {
    font-weight: 500;
}

.table-responsive {
    border-radius: var(--radius-md);
    border: 1px solid var(--aegis-border-subtle);
}

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */
.pagination {
    gap: var(--space-xs);
}

.page-link {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    background: var(--aegis-bg-primary);
    border: 1px solid var(--aegis-border-subtle);
    color: var(--aegis-text-secondary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md) !important;
    transition: all var(--transition-fast);
}

.page-link:hover {
    background: var(--aegis-bg-hover);
    border-color: var(--aegis-border-medium);
    color: var(--aegis-text-primary);
}

.page-item.active .page-link {
    background: var(--aegis-accent-primary);
    border-color: var(--aegis-accent-primary);
    color: var(--aegis-text-inverse);
}

.page-item.disabled .page-link {
    background: var(--aegis-bg-elevated);
    border-color: var(--aegis-border-subtle);
    color: var(--aegis-text-muted);
    opacity: 0.6;
}

/* --------------------------------------------------------------------------
   Tabs
   -------------------------------------------------------------------------- */
.nav-tabs {
    border-bottom: 1px solid var(--aegis-border-subtle);
    gap: var(--space-xs);
}

.nav-tabs .nav-link {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--aegis-text-muted) !important;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    padding: var(--space-sm) var(--space-md);
    border-radius: 0;
    text-transform: none;
    letter-spacing: 0;
    transition: all var(--transition-fast);
}

.nav-tabs .nav-link::after {
    display: none;
}

.nav-tabs .nav-link:hover {
    color: var(--aegis-text-primary) !important;
    border-bottom-color: var(--aegis-border-medium);
}

.nav-tabs .nav-link.active {
    color: var(--aegis-accent-primary) !important;
    background: transparent;
    border-bottom-color: var(--aegis-accent-primary);
}

/* --------------------------------------------------------------------------
   Spinner / Loading
   -------------------------------------------------------------------------- */
.spinner-border {
    color: var(--aegis-accent-primary);
    width: 2rem;
    height: 2rem;
}

/* --------------------------------------------------------------------------
   Iframe (API Docs)
   -------------------------------------------------------------------------- */
iframe {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--aegis-border-subtle);
    box-shadow: var(--shadow-sm);
}

/* --------------------------------------------------------------------------
   Home Page — Hero Banner
   -------------------------------------------------------------------------- */
.hero-banner {
    position: relative;
    width: 100%;
    min-height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--aegis-bg-deep);
    border-bottom: 1px solid var(--aegis-border-subtle);
}

.hero-logo {
    position: relative;
    z-index: 1;
    max-width: 600px;
    width: 80%;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --------------------------------------------------------------------------
   Home Page — Feature Cards
   -------------------------------------------------------------------------- */
.feature-card {
    background: var(--aegis-bg-card);
    border: 1px solid var(--aegis-border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--aegis-accent-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    border-color: var(--aegis-border-medium);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--aegis-accent-soft);
    color: var(--aegis-accent-primary);
    font-size: 1.5rem;
}

.feature-card h4 {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 500;
    margin-bottom: var(--space-sm);
}

.feature-card p {
    flex-grow: 1;
    margin-bottom: var(--space-lg);
}

/* --------------------------------------------------------------------------
   Data Portal — Filters Sidebar
   -------------------------------------------------------------------------- */
.filters-card {
    position: sticky;
    top: 80px;
}

.filters-card .card-title {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--aegis-text-muted);
    border-bottom: 1px solid var(--aegis-border-subtle);
    padding-bottom: var(--space-sm);
    margin-bottom: var(--space-md);
}

/* --------------------------------------------------------------------------
   Status Legend — Pipeline Flow
   -------------------------------------------------------------------------- */
.status-legend {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--aegis-bg-elevated);
    border-radius: var(--radius-md);
    border: 1px solid var(--aegis-border-subtle);
    margin-bottom: var(--space-lg);
}

.status-legend .arrow {
    color: var(--aegis-text-muted);
    font-size: 0.8rem;
}

/* --------------------------------------------------------------------------
   Detail Page — Taxonomy Breadcrumb
   -------------------------------------------------------------------------- */
.taxonomy-path {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-md) 0;
}

.taxonomy-path .taxonomy-level {
    font-size: 0.75rem;
    color: var(--aegis-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.taxonomy-path .taxonomy-separator {
    color: var(--aegis-text-muted);
    font-size: 0.75rem;
}

/* --------------------------------------------------------------------------
   About Page — Content Styling
   -------------------------------------------------------------------------- */
.about-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.about-content li {
    position: relative;
    padding-left: var(--space-lg);
    margin-bottom: var(--space-md);
    color: var(--aegis-text-secondary);
    line-height: 1.7;
}

.about-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    background: var(--aegis-accent-primary);
    border-radius: 50%;
    opacity: 0.8;
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.text-accent { color: var(--aegis-accent-primary); }
.text-muted { color: var(--aegis-text-muted) !important; }
.bg-elevated { background: var(--aegis-bg-elevated); }
.border-accent { border-color: var(--aegis-border-accent) !important; }

.invisible {
    visibility: hidden;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.visible {
    visibility: visible;
    opacity: 1;
}

/* --------------------------------------------------------------------------
   Responsive Adjustments
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    :root {
        --space-xl: 1.5rem;
        --space-2xl: 2rem;
    }

    .hero-banner {
        min-height: 320px;
    }

    .hero-logo {
        max-width: 300px;
    }

    .navbar-brand {
        font-size: 1.25rem !important;
    }

    .status-legend {
        flex-direction: column;
        align-items: flex-start;
    }

    .status-legend .arrow {
        display: none;
    }

    .feature-card {
        padding: var(--space-lg);
    }
}

/* --------------------------------------------------------------------------
   Print Styles
   -------------------------------------------------------------------------- */
@media print {
    body {
        background: white;
        color: black;
    }

    .navbar, .pagination {
        display: none;
    }

    .card {
        box-shadow: none;
        border: 1px solid #ddd;
    }
}

/* --------------------------------------------------------------------------
   Scrollbar Styling (Webkit)
   -------------------------------------------------------------------------- */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--aegis-bg-elevated);
}

::-webkit-scrollbar-thumb {
    background: var(--aegis-border-medium);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--aegis-accent-muted);
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--aegis-border-medium) var(--aegis-bg-elevated);
}

/* --------------------------------------------------------------------------
   Selection Styling
   -------------------------------------------------------------------------- */
::selection {
    background: var(--aegis-accent-primary);
    color: var(--aegis-text-inverse);
}

::-moz-selection {
    background: var(--aegis-accent-primary);
    color: var(--aegis-text-inverse);
}