/* ==========================================================================
   THEME – Change colours and fonts here to try new combinations
   Edit the :root block below; the rest of the app will follow.
   Examples:
   - --color-primary / --color-primary-end: header and primary buttons
   - --color-secondary-start / --color-secondary-end: logo and avatars
   - --text-primary / --text-secondary: body and muted text
   - --font-sans: body and heading font stack (e.g. 'Georgia', serif; or 'Open Sans', sans-serif)
   ========================================================================== */
:root {
    /* Palette: Primary #0F4C81, Accent #E86A17, Secondary #A63D1E, Background #F3E6D3, Surface #FAFAF8, Text #1F2328 */

    /* Primary (Deep Sky Blue) – header, primary buttons, links */
    --color-primary: #0F4C81;
    --color-primary-dark: #0a3a62;
    --color-primary-end: #0a3a62;
    --primary-gradient: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-end) 100%);

    /* Accent (Thermal Orange) + Secondary (Red Earth) – logo, avatars, highlights */
    --color-secondary-start: #E86A17;
    --color-secondary-end: #A63D1E;
    --secondary-gradient: linear-gradient(135deg, var(--color-secondary-start) 0%, var(--color-secondary-end) 100%);

    /* Success / warning / info */
    --color-success: #0d7a4d;
    --color-success-end: #0d9e5f;
    --color-warning-start: #E86A17;
    --color-warning-end: #c55a12;
    --color-info: #0F4C81;
    --color-info-end: #0a3a62;

    /* Text (Charcoal) */
    --text-primary: #1F2328;
    --text-secondary: #4a5058;
    --text-muted: #5c636c;

    /* Background (Warm Sand) & Surface (Off White) */
    --glass-bg: rgba(255, 255, 255, 0.12);
    --glass-border: rgba(255, 255, 255, 0.25);
    --bg-body: #F3E6D3;
    --bg-card: #FAFAF8;
    --bg-input: #FAFAF8;
    --border-input: #e8e4dc;
    --border-focus: var(--color-primary);
    --focus-ring: rgba(15, 76, 129, 0.2);
    --dropdown-bg: #FAFAF8;
    --dropdown-divider: #e8e4dc;
    --dropdown-active-bg: #f5ebe0;
    --dropdown-active-color: #A63D1E;

    /* Shadows (slightly warmer) */
    --shadow-light: 0 4px 20px rgba(31, 35, 40, 0.08);
    --shadow-medium: 0 8px 32px rgba(31, 35, 40, 0.1);
    --shadow-btn: 0 2px 8px rgba(31, 35, 40, 0.08);
    --shadow-btn-hover: 0 4px 16px rgba(31, 35, 40, 0.12);

    /* Shape */
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: var(--font-sans);
}

/* ==========================================================================
   Base & layout
   ========================================================================== */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-body);
    min-height: 100vh;
}

.container {
    padding-bottom: 2rem;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Header / navigation (uses theme variables)
   ========================================================================== */
.modern-header {
    background: var(--primary-gradient);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-medium);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
    animation: slideDown 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.modern-header.scrolled {
    background: rgba(15, 76, 129, 0.96);
}

@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 2rem;
    min-height: 70px;
}

.brand-section { display: flex; align-items: center; gap: 0.75rem; }

.brand-logo {
    width: 40px;
    height: 40px;
    background: var(--secondary-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.brand-logo:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.brand-text {
    color: white;
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
}

.brand-text:hover {
    color: rgba(255, 255, 255, 0.9);
    transform: translateY(-1px);
}

.nav-section { display: flex; align-items: center; gap: 0.5rem; }

.nav-link-modern {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.nav-link-modern::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.1);
    opacity: 0;
    transition: var(--transition);
    border-radius: var(--border-radius);
}

.nav-link-modern:hover::before,
.nav-link-modern.active::before { opacity: 1; }

.nav-link-modern:hover {
    color: white;
    transform: translateY(-2px);
}

.nav-link-modern.active {
    color: white;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
}

.nav-link-modern:focus,
.user-dropdown-toggle:focus,
.mobile-menu-toggle:focus {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

.user-section { display: flex; align-items: center; gap: 1rem; }

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--secondary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

.user-avatar:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.user-dropdown { position: relative; }

.user-dropdown-toggle {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    color: white;
    padding: 0.5rem 1rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.user-dropdown-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    transform: translateY(-1px);
}

.dropdown-menu-modern {
    position: absolute;
    top: 100%;
    right: 0;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    padding: 0.5rem;
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1001;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.user-dropdown:hover .dropdown-menu-modern {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item-modern {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
}

.dropdown-item-modern:hover {
    background: var(--dropdown-bg);
    color: var(--text-primary);
    transform: translateX(4px);
}

.dropdown-item-modern.active {
    background: var(--dropdown-active-bg);
    color: var(--dropdown-active-color);
}

.dropdown-divider {
    height: 1px;
    background: var(--dropdown-divider);
    margin: 0.5rem 0;
}

.dropdown-header {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Mobile */
.mobile-menu-toggle {
    display: none;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    color: white;
    padding: 0.5rem;
    font-size: 1.2rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.mobile-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    box-shadow: var(--shadow-medium);
    padding: 1rem;
    z-index: 1001;
}

.mobile-menu.active { display: block; }

.mobile-nav-link {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    font-weight: 500;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background: var(--dropdown-bg);
    color: var(--text-primary);
}

@media (max-width: 768px) {
    .header-container {
        grid-template-columns: auto 1fr auto;
        padding: 0 1rem;
        gap: 1rem;
    }
    .nav-section { display: none; }
    .mobile-menu-toggle { display: block; }
    .brand-text { font-size: 1.25rem; }
    .user-dropdown-toggle { padding: 0.4rem 0.8rem; font-size: 0.85rem; }
}

@media (max-width: 480px) {
    .header-container { padding: 0 0.75rem; min-height: 60px; }
    .brand-logo { width: 32px; height: 32px; font-size: 1rem; }
    .brand-text { font-size: 1.1rem; }
}

/* ==========================================================================
   Cards, buttons, forms, tables (theme-aware)
   ========================================================================== */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    background: var(--bg-card);
    backdrop-filter: blur(10px);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.btn {
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: var(--transition);
    border: none;
    box-shadow: var(--shadow-btn);
}

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

.btn-primary {
    background: var(--primary-gradient);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, var(--color-success) 0%, var(--color-success-end) 100%);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, var(--color-warning-start) 0%, var(--color-warning-end) 100%);
    color: white;
}

.btn-info {
    background: linear-gradient(135deg, var(--color-info) 0%, var(--color-info-end) 100%);
    color: white;
}

.form-control {
    border: 2px solid var(--border-input);
    border-radius: var(--border-radius);
    padding: 0.75rem 1rem;
    transition: var(--transition);
    background: var(--bg-input);
}

.form-control:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--focus-ring);
    background: white;
}

.table {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.table thead th {
    background: var(--primary-gradient);
    color: white;
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

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

.table tbody tr:hover {
    background: rgba(15, 76, 129, 0.06);
    transform: scale(1.01);
}

.alert {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    backdrop-filter: blur(10px);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: #065f46;
    border-left: 4px solid #10b981;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: #991b1b;
    border-left: 4px solid #ef4444;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #92400e;
    border-left: 4px solid #f59e0b;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: #1e40af;
    border-left: 4px solid #3b82f6;
}

.breadcrumb {
    background: rgba(255, 255, 255, 0.8);
    border-radius: var(--border-radius);
    padding: 0.75rem 1.5rem;
    box-shadow: var(--shadow-light);
    backdrop-filter: blur(10px);
}

.breadcrumb-item a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.breadcrumb-item a:hover {
    color: var(--color-primary-end);
    transform: translateY(-1px);
}

.breadcrumb-item.active {
    color: var(--text-secondary);
    font-weight: 600;
}

/* ==========================================================================
   Utility classes (replace common inline styles)
   ========================================================================== */
.text-unpaid { color: var(--text-muted) !important; }

.card-title-overlay {
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.drop-zone-card {
    min-height: 120px;
    cursor: pointer;
    background-color: var(--drop-zone-bg, #FAFAF8);
    border-radius: var(--border-radius);
    border: 2px dashed var(--border-input);
}
.drop-zone-card.drop-zone-card--green { --drop-zone-bg: #f0f5ec; }

.autocomplete-list {
    z-index: 1000;
}
.autocomplete-list[aria-hidden="true"] { display: none !important; }

.map-container {
    height: 200px;
    width: 100%;
    border-radius: var(--border-radius-sm);
}
.map-container.map-container--tall { height: 280px; }

.embed-responsive-cover {
    max-height: 400px;
    width: 100%;
    object-fit: cover;
}

.form-select-currency { max-width: 100px; }

.clickable { cursor: pointer; }

.hide { display: none !important; }

#toast-container { z-index: 1060; }

/* Jumbotron (home hero, etc.) */
.jumbotron {
    background-color: #f8f9fa;
    border-radius: 0.3rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.jumbotron-hero {
    background: var(--primary-gradient);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 280px;
}

.jumbotron-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

/* Hero content: centered title, tagline and buttons */
.jumbotron-content {
    position: relative;
    z-index: 2;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.jumbotron-content .display-4,
.jumbotron-content .lead {
    text-align: center;
}

.jumbotron-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    text-align: center;
    padding: 1rem;
    z-index: 3;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.4) 50%, transparent 100%);
}

.jumbotron-caption small { text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8); }

/* Hero with photo (background-image set inline) */
.jumbotron-hero-photo {
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
}

/* Footer */
footer {
    margin-top: 3rem;
    padding: 1.5rem 0;
    background-color: var(--text-primary);
}

.nav-link.active { font-weight: bold; }

ul { padding-left: 1.5rem; }

.mb-4 { margin-bottom: 1.5rem !important; }

@media (max-width: 768px) {
    .jumbotron { padding: 2rem 1rem; }
    .display-4 { font-size: 2.5rem; }
}