/* ─── Bum Design System ─── */

:root,
[data-bs-theme="light"] {
    /* Primary: Coral */
    --bum-primary: #FF6B4A;
    --bum-primary-hover: #FF8A6E;
    --bum-primary-light: #FFF0EB;
    --bum-primary-dark: #E5533A;

    /* Secondary: Amber */
    --bum-amber: #FFB347;
    --bum-amber-light: #FFF4E0;

    /* Success: Sage Green */
    --bum-success: #6BBF7A;
    --bum-success-light: #E8F5EA;

    /* Info: Sky Blue */
    --bum-info: #4EAEE3;
    --bum-info-light: #E3F2FC;

    /* Error: Soft Red */
    --bum-danger: #E85D5D;
    --bum-danger-light: #FDE8E8;

    /* Warm Grays */
    --bum-gray-900: #2D2D2D;
    --bum-gray-800: #404040;
    --bum-gray-700: #5C5C5C;
    --bum-gray-600: #7A7A7A;
    --bum-gray-400: #BFBFBF;
    --bum-gray-300: #D9D9D9;
    --bum-gray-200: #EDEDED;
    --bum-gray-100: #F5F5F2;
    --bum-gray-50: #FAFAF7;

    /* Bootstrap overrides */
    --bs-primary: var(--bum-primary);
    --bs-primary-rgb: 255, 107, 74;
    --bs-body-bg: var(--bum-gray-50);
    --bs-body-color: var(--bum-gray-900);
    --bs-border-radius: 1rem;
    --bs-border-radius-sm: 0.75rem;
    --bs-border-radius-lg: 1.25rem;
}

[data-bs-theme="dark"] {
    --bum-gray-50: #1A1A1E;
    --bum-gray-100: #242428;
    --bum-gray-200: #2E2E33;
    --bum-gray-300: #3A3A3F;
    --bum-gray-900: #F0F0ED;
    --bum-gray-800: #D0D0CB;
    --bum-gray-700: #A8A8A3;

    --bs-body-bg: #1A1A1E;
    --bs-body-color: #F0F0ED;
}

/* ─── Global ─── */

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.icon-sm {
    width: 16px;
    height: 16px;
    vertical-align: -2px;
}

/* ─── Navbar ─── */

.navbar {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--bum-gray-200);
}

[data-bs-theme="dark"] .navbar {
    background: rgba(26, 26, 30, 0.85);
    border-bottom-color: var(--bum-gray-300);
}

.brand-icon {
    font-size: 1.3rem;
}

.avatar-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--bum-primary-light);
    color: var(--bum-primary);
    font-weight: 600;
    font-size: 0.8rem;
}

[data-bs-theme="dark"] .avatar-circle {
    background: rgba(255, 107, 74, 0.15);
}

/* ─── Buttons ─── */

.btn-primary {
    --bs-btn-bg: var(--bum-primary);
    --bs-btn-border-color: var(--bum-primary);
    --bs-btn-hover-bg: var(--bum-primary-hover);
    --bs-btn-hover-border-color: var(--bum-primary-hover);
    --bs-btn-active-bg: var(--bum-primary-dark);
    --bs-btn-active-border-color: var(--bum-primary-dark);
}

.btn-outline-primary {
    --bs-btn-color: var(--bum-primary);
    --bs-btn-border-color: var(--bum-primary);
    --bs-btn-hover-bg: var(--bum-primary);
    --bs-btn-hover-border-color: var(--bum-primary);
    --bs-btn-active-bg: var(--bum-primary-dark);
}

.btn {
    border-radius: 0.75rem;
    font-weight: 500;
    padding: 0.5rem 1.25rem;
    transition: all 0.15s ease;
}

.btn:active {
    transform: scale(0.97);
}

/* ─── Cards ─── */

.card {
    border: none;
    border-radius: 1rem;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.card-clickable:hover {
    transform: translateY(-2px);
    cursor: pointer;
}

[data-bs-theme="dark"] .card {
    background: var(--bum-gray-100);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

/* ─── Forms ─── */

.form-control, .form-select {
    border-radius: 0.75rem;
    border-color: var(--bum-gray-300);
    padding: 0.625rem 1rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--bum-primary);
    box-shadow: 0 0 0 0.2rem rgba(255, 107, 74, 0.15);
}

/* ─── Auth pages ─── */

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.auth-card {
    width: 100%;
    max-width: 420px;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-size: 2rem;
    font-weight: 700;
}

/* ─── Photo Grid ─── */

.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.5rem;
}

@media (max-width: 576px) {
    .photo-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2px;
    }
}

.photo-grid-item {
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 0.5rem;
    cursor: pointer;
    position: relative;
}

@media (max-width: 576px) {
    .photo-grid-item {
        border-radius: 0;
    }
}

.photo-grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.2s ease;
}

.photo-grid-item:hover img {
    transform: scale(1.03);
}

/* ─── Album Cards ─── */

.album-card {
    position: relative;
    overflow: hidden;
}

.album-card .album-cover {
    aspect-ratio: 16/10;
    background: var(--bum-gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bum-gray-400);
}

.album-card .album-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ─── Empty States ─── */

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--bum-gray-600);
}

.empty-state i,
.empty-state [data-lucide] {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* ─── Toast / Alerts ─── */

.alert {
    border: none;
    border-radius: 0.75rem;
}

/* ─── HTMX loading indicator ─── */

.htmx-indicator {
    display: none;
}

.htmx-request .htmx-indicator {
    display: inline-block;
}

.htmx-request.htmx-indicator {
    display: inline-block;
}

/* ─── Admin Layout ─── */

.admin-layout {
    display: flex;
    min-height: calc(100vh - 60px);
}

.admin-sidebar {
    width: 240px;
    flex-shrink: 0;
    background: var(--bum-gray-200);
    border-right: 2px solid var(--bum-gray-300);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 0;
}

[data-bs-theme="dark"] .admin-sidebar {
    background: var(--bum-gray-100);
    border-right-color: var(--bum-gray-300);
}

.sidebar-header {
    padding: 0 1.25rem 1rem;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--bum-gray-700);
    border-bottom: 1px solid var(--bum-gray-200);
    margin-bottom: 0.5rem;
}

.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 0.5rem 0.75rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: 0.5rem;
    color: var(--bum-gray-700);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.15s ease;
}

.sidebar-link:hover {
    background: var(--bum-gray-200);
    color: var(--bum-gray-900);
}

.sidebar-link.active {
    background: var(--bum-primary-light);
    color: var(--bum-primary);
}

[data-bs-theme="dark"] .sidebar-link.active {
    background: rgba(255, 107, 74, 0.12);
}

.sidebar-footer {
    padding: 0.5rem 0.75rem;
    border-top: 1px solid var(--bum-gray-200);
    margin-top: 0.5rem;
}

.admin-content {
    flex: 1;
    padding: 1.5rem 2rem;
    min-width: 0;
}

@media (max-width: 768px) {
    .admin-layout {
        flex-direction: column;
    }

    .admin-sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--bum-gray-200);
        padding: 0.75rem 0;
    }

    .sidebar-nav {
        flex-direction: row;
        overflow-x: auto;
        gap: 0.25rem;
    }

    .sidebar-link {
        white-space: nowrap;
    }

    .sidebar-header {
        border-bottom: none;
        margin-bottom: 0;
        padding-bottom: 0.5rem;
    }

    .sidebar-footer {
        display: none;
    }

    .admin-content {
        padding: 1rem;
    }
}