:root {
    --kt-primary: #1b84ff;
    --kt-primary-soft: #e9f3ff;
    --kt-primary-active: #056ee9;
    --kt-success: #17c653;
    --kt-success-soft: #e8fff3;
    --kt-warning: #f6c000;
    --kt-warning-soft: #fff8dd;
    --kt-info: #7239ea;
    --kt-info-soft: #f8f5ff;
    --kt-danger: #f8285a;
    --kt-gray-100: #f9f9f9;
    --kt-gray-200: #f1f1f4;
    --kt-gray-300: #dbdfe9;
    --kt-gray-400: #c4cada;
    --kt-gray-500: #99a1b7;
    --kt-gray-600: #78829d;
    --kt-gray-700: #4b5675;
    --kt-gray-800: #252f4a;
    --kt-gray-900: #071437;
    --kt-body-bg: #f5f8fa;
    --kt-card-bg: #ffffff;
    --kt-card-border: #eff2f5;
    --kt-sidebar-width: 265px;
    --kt-header-height: 70px;
    --kt-radius: 0.625rem;
    --kt-radius-lg: 0.85rem;
    --kt-shadow: 0 0.1rem 1rem 0.25rem rgba(0, 0, 0, 0.04);
    --kt-shadow-sm: 0 0.1rem 0.75rem 0.1rem rgba(0, 0, 0, 0.03);
    --kt-transition: 0.2s ease;
}

body.app-body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--kt-body-bg);
    color: var(--kt-gray-800);
    font-size: 0.925rem;
    -webkit-font-smoothing: antialiased;
}

.app-shell {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.app-sidebar {
    width: var(--kt-sidebar-width);
    flex-shrink: 0;
    background: var(--kt-card-bg);
    border-right: 1px solid var(--kt-card-border);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 1040;
}

.app-sidebar-brand {
    padding: 1.35rem 1.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: var(--kt-gray-900);
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
}

.app-sidebar-brand .brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 0.5rem;
    background: linear-gradient(135deg, var(--kt-primary) 0%, #5eb3ff 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(27, 132, 255, 0.35);
}

.app-sidebar-menu {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem 1rem 1rem;
}

.menu-section-label {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--kt-gray-500);
    padding: 0.75rem 0.75rem 0.35rem;
    margin-top: 0.25rem;
}

.menu-link {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.55rem 0.75rem;
    border-radius: var(--kt-radius);
    color: var(--kt-gray-700);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.875rem;
    transition: background var(--kt-transition), color var(--kt-transition);
    margin-bottom: 0.15rem;
}

.menu-link .menu-icon {
    width: 28px;
    height: 28px;
    border-radius: 0.4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    background: var(--kt-gray-100);
    color: var(--kt-gray-600);
    transition: inherit;
}

.menu-link:hover {
    background: var(--kt-gray-100);
    color: var(--kt-gray-900);
}

.menu-link:hover .menu-icon {
    background: var(--kt-primary-soft);
    color: var(--kt-primary);
}

.menu-link.active {
    background: var(--kt-primary-soft);
    color: var(--kt-primary);
}

.menu-link.active .menu-icon {
    background: var(--kt-primary);
    color: #fff;
}

.menu-link.menu-link-primary {
    background: var(--kt-primary);
    color: #fff;
    margin: 0.5rem 0 1rem;
    justify-content: center;
    padding: 0.6rem 0.75rem;
}

.menu-link.menu-link-primary .menu-icon {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.menu-link.menu-link-primary:hover {
    background: var(--kt-primary-active);
    color: #fff;
}

.app-sidebar-footer {
    padding: 1rem 1.25rem 1.25rem;
    border-top: 1px solid var(--kt-card-border);
}

.user-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.75rem;
    border-radius: var(--kt-radius);
    background: var(--kt-gray-100);
    margin-bottom: 0.75rem;
}

.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 0.5rem;
    background: linear-gradient(135deg, var(--kt-info) 0%, #a855f7 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.user-name {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--kt-gray-900);
    line-height: 1.2;
}

.user-role {
    font-size: 0.72rem;
    color: var(--kt-gray-500);
}

/* Main wrapper */
.app-wrapper {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.app-header {
    height: var(--kt-header-height);
    background: var(--kt-card-bg);
    border-bottom: 1px solid var(--kt-card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.75rem;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.page-heading {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--kt-gray-900);
    margin: 0;
    letter-spacing: -0.02em;
}

.page-subheading {
    font-size: 0.8rem;
    color: var(--kt-gray-500);
    margin: 0;
}

.app-breadcrumb {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    font-size: 0.8rem;
    color: var(--kt-gray-500);
}

.app-breadcrumb a {
    color: var(--kt-gray-600);
    text-decoration: none;
}

.app-breadcrumb a:hover {
    color: var(--kt-primary);
}

.app-breadcrumb .separator {
    color: var(--kt-gray-400);
}

.app-content {
    flex: 1;
    padding: 1.5rem 1.75rem 2rem;
}

/* Cards */
.kt-card {
    background: var(--kt-card-bg);
    border: 1px solid var(--kt-card-border);
    border-radius: var(--kt-radius-lg);
    box-shadow: var(--kt-shadow-sm);
}

.kt-card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--kt-card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    background: transparent;
}

.kt-card-header .card-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--kt-gray-900);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.kt-card-body {
    padding: 1.25rem;
}

.kt-card-body.p-0 {
    padding: 0;
}

/* Stat widgets */
.stat-widget {
    background: var(--kt-card-bg);
    border: 1px solid var(--kt-card-border);
    border-radius: var(--kt-radius-lg);
    padding: 1.25rem 1.35rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    box-shadow: var(--kt-shadow-sm);
    transition: transform var(--kt-transition), box-shadow var(--kt-transition);
    height: 100%;
}

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

.stat-widget-icon {
    width: 48px;
    height: 48px;
    border-radius: 0.65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.stat-widget-icon.primary { background: var(--kt-primary-soft); color: var(--kt-primary); }
.stat-widget-icon.success { background: var(--kt-success-soft); color: var(--kt-success); }
.stat-widget-icon.warning { background: var(--kt-warning-soft); color: #b89500; }
.stat-widget-icon.info { background: var(--kt-info-soft); color: var(--kt-info); }

.stat-widget-value {
    font-size: 1.65rem;
    font-weight: 700;
    color: var(--kt-gray-900);
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.stat-widget-label {
    font-size: 0.8rem;
    color: var(--kt-gray-500);
    font-weight: 500;
    margin-top: 0.15rem;
}

.stat-widget-trend {
    font-size: 0.72rem;
    color: var(--kt-gray-500);
    margin-top: 0.35rem;
}

/* Welcome banner */
.welcome-banner {
    background: linear-gradient(135deg, #1b84ff 0%, #5eb3ff 50%, #7239ea 100%);
    border-radius: var(--kt-radius-lg);
    padding: 1.75rem 2rem;
    color: #fff;
    position: relative;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.welcome-banner::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -5%;
    width: 280px;
    height: 280px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}

.welcome-banner::after {
    content: '';
    position: absolute;
    bottom: -60%;
    right: 15%;
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.welcome-banner h2 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.35rem;
    position: relative;
}

.welcome-banner p {
    opacity: 0.9;
    margin: 0;
    font-size: 0.9rem;
    position: relative;
}

.welcome-banner .btn-light {
    position: relative;
    font-weight: 600;
    font-size: 0.85rem;
    border: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Collection cards */
.collection-card {
    border: 1px solid var(--kt-card-border);
    border-radius: var(--kt-radius-lg);
    background: var(--kt-card-bg);
    box-shadow: var(--kt-shadow-sm);
    transition: transform var(--kt-transition), box-shadow var(--kt-transition), border-color var(--kt-transition);
    height: 100%;
    overflow: hidden;
}

.collection-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--kt-shadow);
    border-color: rgba(27, 132, 255, 0.25);
}

.collection-card-top {
    padding: 1.25rem 1.25rem 0.75rem;
    display: flex;
    gap: 1rem;
}

.collection-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 0.65rem;
    background: var(--kt-primary-soft);
    color: var(--kt-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.collection-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--kt-gray-900);
    margin: 0 0 0.25rem;
}

.collection-card-desc {
    font-size: 0.8rem;
    color: var(--kt-gray-500);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.collection-card-stats {
    display: flex;
    gap: 1rem;
    padding: 0 1.25rem 1rem;
}

.collection-stat {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.78rem;
    color: var(--kt-gray-600);
    font-weight: 500;
}

.collection-stat i {
    color: var(--kt-gray-400);
}

.collection-card-footer {
    padding: 0.85rem 1.25rem;
    border-top: 1px solid var(--kt-card-border);
    background: var(--kt-gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Buttons */
.btn-kt-primary {
    background: var(--kt-primary);
    border-color: var(--kt-primary);
    color: #fff;
    font-weight: 600;
    font-size: 0.85rem;
    padding: 0.5rem 1rem;
    border-radius: var(--kt-radius);
}

.btn-kt-primary:hover {
    background: var(--kt-primary-active);
    border-color: var(--kt-primary-active);
    color: #fff;
}

.btn-kt-light {
    background: var(--kt-gray-100);
    border: 1px solid var(--kt-card-border);
    color: var(--kt-gray-700);
    font-weight: 600;
    font-size: 0.85rem;
}

.btn-kt-light:hover {
    background: var(--kt-gray-200);
    color: var(--kt-gray-900);
}

/* Badges */
.kt-badge {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.35em 0.65em;
    border-radius: 0.35rem;
}

.kt-badge-primary {
    background: var(--kt-primary-soft);
    color: var(--kt-primary);
}

.kt-badge-secondary {
    background: var(--kt-gray-200);
    color: var(--kt-gray-700);
}

/* Tables */
.kt-table {
    margin: 0;
    font-size: 0.85rem;
}

.kt-table thead th {
    background: var(--kt-gray-100);
    color: var(--kt-gray-600);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--kt-card-border);
    padding: 0.75rem 1rem;
}

.kt-table tbody td {
    padding: 0.7rem 1rem;
    vertical-align: middle;
    border-color: var(--kt-card-border);
    color: var(--kt-gray-800);
}

.kt-table tbody tr:hover {
    background: rgba(27, 132, 255, 0.04);
}

.kt-table tbody tr.table-primary {
    background: var(--kt-primary-soft) !important;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.25rem;
    border-radius: 50%;
    background: var(--kt-primary-soft);
    color: var(--kt-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

/* Alerts */
.alert-kt {
    border-radius: var(--kt-radius);
    border: none;
    font-size: 0.875rem;
    font-weight: 500;
}

.alert-kt-success {
    background: var(--kt-success-soft);
    color: #0d6832;
}

.alert-kt-danger {
    background: #ffeef3;
    color: #b42349;
}

/* Map */
#map {
    height: 100%;
    min-height: 420px;
    border-radius: var(--kt-radius);
}

.split-map {
    min-height: 520px;
}

#pickerMap {
    height: 320px;
    border-radius: var(--kt-radius);
    z-index: 0;
}

/* Toolbar actions */
.toolbar-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

/* Form controls */
.form-control, .form-select {
    border-color: var(--kt-gray-300);
    border-radius: var(--kt-radius);
    font-size: 0.875rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--kt-primary);
    box-shadow: 0 0 0 0.2rem rgba(27, 132, 255, 0.15);
}

/* Modal */
.modal-content {
    border: none;
    border-radius: var(--kt-radius-lg);
    box-shadow: 0 0.5rem 2rem rgba(0, 0, 0, 0.12);
}

.modal-header {
    border-bottom: 1px solid var(--kt-card-border);
    padding: 1rem 1.25rem;
}

.modal-footer {
    border-top: 1px solid var(--kt-card-border);
    background: var(--kt-gray-100);
}

/* Guest auth */
.auth-guest-wrap {
    min-height: 100vh;
    background: linear-gradient(160deg, #f5f8fa 0%, #e9f3ff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-card {
    background: #fff;
    border: 1px solid var(--kt-card-border);
    border-radius: var(--kt-radius-lg);
    box-shadow: var(--kt-shadow);
    max-width: 440px;
    width: 100%;
}

.location-search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1060;
    max-height: 220px;
    overflow-y: auto;
    box-shadow: var(--kt-shadow);
    border-radius: var(--kt-radius);
}

.location-search-results .list-group-item {
    cursor: pointer;
    font-size: 0.875rem;
}

.location-search-results .list-group-item:hover {
    background: var(--kt-gray-100);
}

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

.btn-primary {
    background-color: var(--kt-primary);
    border-color: var(--kt-primary);
}

.btn-primary:hover {
    background-color: var(--kt-primary-active);
    border-color: var(--kt-primary-active);
}

@media (max-width: 991.98px) {
    .app-sidebar {
        position: fixed;
        left: 0;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
    }

    .app-sidebar.show {
        transform: translateX(0);
        box-shadow: 0 0 2rem rgba(0, 0, 0, 0.15);
    }

    .sidebar-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(7, 20, 55, 0.4);
        z-index: 1035;
    }

    .sidebar-backdrop.show {
        display: block;
    }
}