.app-theme-toggle {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 10px;
    color: var(--text-primary, #374151);
    background: var(--surface, #fff);
    border: 1px solid var(--border, #d1d5db);
    border-radius: 6px;
    font: inherit;
    cursor: pointer;
}

:root {
    color-scheme: light;
    --app-background: #f3f6fb;
    --surface: #ffffff;
    --text-primary: #17243a;
    --text-muted: #68778d;
    --border: #dfe6f0;
    --field-background: #fff;
    --accent: #e96000;
    --accent-hover: #c84f00;
    --accent-soft: #fff0e5;
    --highlight: #12a89d;
    --shadow-soft: 0 12px 34px rgba(25, 45, 75, .08);
}

:root[data-theme="dark"] {
    color-scheme: dark;
    --app-background: #111827;
    --surface: #1b2637;
    --text-primary: #f2f6fc;
    --text-muted: #a8b6ca;
    --border: #344257;
    --field-background: #151f2e;
    --accent-soft: #422b21;
    --shadow-soft: 0 12px 34px rgba(0, 0, 0, .22);
}

:root[data-theme="dark"] body {
    background-color: var(--app-background) !important;
    color: var(--text-primary) !important;
}

body {
    background-color: var(--app-background);
    color: var(--text-primary);
}

.app-topbar,
.app-footer,
.card,
.modal-content,
.table,
.dropdown-menu {
    color: var(--text-primary);
    background-color: var(--surface);
    border-color: var(--border);
}

.app-topbar h1,
.app-user-details strong,
.app-footer,
.card-header,
.card-body,
.modal-content,
.table,
.table th,
.table td {
    color: var(--text-primary);
}

.app-user-details small,
.text-muted {
    color: var(--text-muted) !important;
}

input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]),
select,
textarea {
    color: var(--text-primary);
    background-color: var(--field-background);
    border-color: var(--border);
}

:root[data-theme="dark"] .table,
:root[data-theme="dark"] .table th,
:root[data-theme="dark"] .table td,
:root[data-theme="dark"] .table thead th {
    color: var(--text-primary);
    background-color: var(--surface);
    border-color: var(--border);
}

:root[data-theme="dark"] .table-striped tbody tr:nth-of-type(odd) {
    background-color: #272d35;
}

:root[data-theme="dark"] .alert {
    filter: brightness(.85);
}

.app-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 1100;
    width: 260px;
    overflow-y: auto;
    padding: 16px;
    color: #fff;
    background: linear-gradient(165deg, #15243c 0%, #111a2b 62%, #0e1827 100%);
    border-right: 3px solid var(--accent);
    box-shadow: 8px 0 28px rgba(17, 31, 53, .16);
}

.app-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 8px 20px;
    margin-bottom: 14px;
    color: #fff;
    text-decoration: none;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
    font-weight: 700;
    letter-spacing: .4px;
}

.app-brand img {
    flex: 0 0 auto;
    object-fit: cover;
    border: 2px solid #ff9a52;
    border-radius: 50%;
}

.app-brand small {
    display: block;
    margin-top: 3px;
    color: #ffad70;
}

.app-nav {
    display: grid;
    gap: 4px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.app-nav-label {
    padding: 14px 10px 5px;
    color: #999;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.app-nav a {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 11px 12px;
    color: #ddd;
    text-decoration: none;
    border-radius: 8px;
    transition: background-color .2s ease, color .2s ease, transform .2s ease;
}

.app-nav a:hover,
.app-nav a.active {
    color: #fff;
    background: linear-gradient(110deg, #ef6d18 0%, #d95700 100%);
    box-shadow: 0 5px 14px rgba(217, 87, 0, .2);
}

.app-nav a:hover {
    transform: translateX(2px);
}

.app-nav a i {
    width: 20px;
    text-align: center;
}

.app-nav-logout {
    display: flex;
    width: 100%;
    align-items: center;
    gap: 11px;
    padding: 11px 12px;
    color: #ddd;
    background: transparent;
    border: 0;
    border-radius: 7px;
    font: inherit;
    text-align: left;
    cursor: pointer;
}

.app-nav-logout:hover {
    color: #fff;
    background: #d95700;
}

.app-nav-logout i {
    width: 20px;
    text-align: center;
}

.app-topbar {
    display: flex;
    min-height: 68px;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 10px 24px;
    background: linear-gradient(105deg, var(--surface) 0%, color-mix(in srgb, var(--surface) 91%, #e4efff) 100%);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 5px 18px rgba(25, 45, 75, .04);
}

.app-topbar-heading,
.app-user {
    display: flex;
    align-items: center;
    gap: 12px;
}

.app-topbar h1 {
    margin: 0;
    color: var(--text-primary);
    font-size: 20px;
}

.app-menu-toggle {
    display: none;
    padding: 7px 10px;
    color: #fff;
    background: linear-gradient(135deg, #f17824, #d95700);
    border: 0;
    border-radius: 5px;
    font-size: 18px;
    cursor: pointer;
}

.app-user-avatar {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    color: #fff;
    background: linear-gradient(135deg, #f17824, #d95700);
    border-radius: 50%;
    font-weight: 700;
}

.app-user-details strong,
.app-user-details small {
    display: block;
}

.app-user-details small {
    margin-top: 2px;
    color: #6b7280;
}

.app-logout {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 10px;
    color: var(--accent-hover);
    text-decoration: none;
    border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--border));
    border-radius: 6px;
    background: var(--surface);
    font: inherit;
    cursor: pointer;
}

.app-footer {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 24px;
    margin-left: 260px;
    color: #6b7280;
    background: #fff;
    border-top: 1px solid #e5e7eb;
    font-size: 12px;
}

.app-sidebar-overlay {
    display: none;
}

.app-preloader {
    position: fixed;
    inset: 0;
    z-index: 3000;
    display: grid;
    place-items: center;
    padding: 24px;
    background:
        radial-gradient(circle at 50% 42%, rgba(255, 255, 255, .98) 0, rgba(244, 248, 255, .97) 34%, rgba(225, 234, 247, .98) 100%);
    opacity: 1;
    transition: opacity .38s ease, visibility .38s ease;
}

:root[data-theme="dark"] .app-topbar {
    background: linear-gradient(105deg, var(--surface) 0%, #202f43 100%);
}

.app-preloader,
.app-preloader-card {
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

:root[data-theme="dark"] .app-preloader {
    background: radial-gradient(circle at 50% 42%, #24334a 0, #172235 42%, #111827 100%);
}

.app-preloader.is-hiding {
    visibility: hidden;
    opacity: 0;
}

.app-preloader[hidden] {
    display: none;
}

.app-preloader-card {
    display: grid;
    justify-items: center;
    gap: 12px;
    min-width: 230px;
    padding: 30px 34px;
    color: var(--text-primary);
    background: var(--surface);
    background: color-mix(in srgb, var(--surface) 92%, transparent);
    border: 1px solid var(--border);
    border-color: color-mix(in srgb, var(--border) 78%, white);
    border-radius: 22px;
    box-shadow: 0 24px 70px rgba(27, 47, 77, .18);
    animation: preloader-float 2.4s ease-in-out infinite;
}

.app-preloader-mark {
    display: grid;
    width: 64px;
    height: 64px;
    place-items: center;
    color: #fff;
    background: linear-gradient(145deg, #ff9a52, #e96000 68%, #c84f00);
    border: 5px solid color-mix(in srgb, var(--accent) 18%, white);
    border-radius: 20px;
    box-shadow: 0 10px 26px rgba(217, 87, 0, .28);
    font-size: 21px;
    font-weight: 800;
    letter-spacing: 1px;
}

.app-preloader-spinner {
    width: 34px;
    height: 34px;
    margin: 4px 0 2px;
    border: 3px solid #f6d4bf;
    border-color: color-mix(in srgb, var(--accent) 17%, transparent);
    border-top-color: var(--accent);
    border-right-color: var(--highlight);
    border-radius: 50%;
    animation: preloader-spin .85s linear infinite;
}

.app-preloader-card strong {
    color: var(--text-primary);
    font-size: 13px;
    letter-spacing: 1.2px;
}

.app-preloader-caption {
    color: var(--text-muted);
    font-size: 13px;
}

@keyframes preloader-spin {
    to { transform: rotate(360deg); }
}

@keyframes preloader-float {
    50% { transform: translateY(-5px); }
}

@media (prefers-reduced-motion: reduce) {
    .app-preloader-card,
    .app-preloader-spinner {
        animation: none;
    }
}

@media (min-width: 993px) {
    .main-content {
        margin-left: 260px;
        width: calc(100% - 260px);
    }
}

@media (max-width: 992px) {
    .app-sidebar {
        transform: translateX(-100%);
        transition: transform .25s ease;
    }

    .app-sidebar.open {
        transform: translateX(0);
    }

    .app-sidebar-overlay.active {
        position: fixed;
        inset: 0;
        z-index: 1090;
        display: block;
        background: rgba(0, 0, 0, .45);
        border: 0;
    }

    .app-menu-toggle {
        display: inline-block;
    }

    .app-footer {
        margin-left: 0;
    }
}

@media (max-width: 600px) {
    .app-topbar {
        align-items: flex-start;
        flex-direction: column;
        padding: 12px 16px;
    }

    .app-topbar h1 {
        font-size: 17px;
    }

    .app-user {
        width: 100%;
        flex-wrap: wrap;
    }

    .app-user-details {
        flex: 1;
    }
}

:root[data-theme="dark"] .app-topbar,
:root[data-theme="dark"] .app-footer,
:root[data-theme="dark"] .app-theme-toggle,
:root[data-theme="dark"] .card,
:root[data-theme="dark"] .modal-content,
:root[data-theme="dark"] .dropdown-menu,
:root[data-theme="dark"] .user-panel,
:root[data-theme="dark"] .form-container,
:root[data-theme="dark"] .table-container,
:root[data-theme="dark"] .stat-card,
:root[data-theme="dark"] .filter-container,
:root[data-theme="dark"] .filter-section,
:root[data-theme="dark"] .dashboard-card,
:root[data-theme="dark"] .filter-card,
:root[data-theme="dark"] .summary-card,
:root[data-theme="dark"] .content-card {
    color: var(--text-primary);
    background: var(--surface) !important;
    border-color: var(--border);
}

:root[data-theme="dark"] .app-topbar h1,
:root[data-theme="dark"] .app-theme-toggle,
:root[data-theme="dark"] .app-user-details strong,
:root[data-theme="dark"] .card-header,
:root[data-theme="dark"] .card-body,
:root[data-theme="dark"] .user-panel h2,
:root[data-theme="dark"] .user-table th,
:root[data-theme="dark"] .user-table td {
    color: var(--text-primary);
}

:root[data-theme="dark"] .container,
:root[data-theme="dark"] .main-content {
    color: var(--text-primary);
    background-color: var(--app-background) !important;
}

:root[data-theme="dark"] label,
:root[data-theme="dark"] .page-header h1,
:root[data-theme="dark"] .page-header h2,
:root[data-theme="dark"] .container h1,
:root[data-theme="dark"] .container h2,
:root[data-theme="dark"] .container h3 {
    color: var(--text-primary);
}

:root[data-theme="dark"] .form-container h2,
:root[data-theme="dark"] .form-container h3,
:root[data-theme="dark"] .table-container h2,
:root[data-theme="dark"] .table-container h3,
:root[data-theme="dark"] .stat-card h2,
:root[data-theme="dark"] .stat-card h3,
:root[data-theme="dark"] .stat-card p,
:root[data-theme="dark"] .filter-container label,
:root[data-theme="dark"] .filter-section label {
    color: var(--text-primary);
}

:root[data-theme="dark"] input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]),
:root[data-theme="dark"] select,
:root[data-theme="dark"] textarea {
    color: var(--text-primary);
    background-color: var(--field-background) !important;
    border-color: var(--border);
}

:root[data-theme="dark"] .table,
:root[data-theme="dark"] .table th,
:root[data-theme="dark"] .table td,
:root[data-theme="dark"] .table thead th,
:root[data-theme="dark"] .user-table th,
:root[data-theme="dark"] .user-table td {
    color: var(--text-primary);
    background-color: var(--surface);
    border-color: var(--border);
}

html,
body {
    width: 100%;
    max-width: 100%;
    min-width: 0;
}

body {
    margin: 0;
    overflow-x: hidden;
    flex-direction: column !important;
    min-height: 100vh;
}

.main-content {
    flex: 1 1 auto;
    min-width: 0;
    max-width: 100%;
    min-height: calc(100vh - 48px) !important;
}

.main-content > *,
.main-content .container,
.main-content .page-content,
.main-content .content,
.main-content .content-wrapper {
    min-width: 0;
    max-width: 100%;
    box-sizing: border-box;
}

.main-content img,
.main-content video,
.main-content canvas,
.main-content svg {
    max-width: 100%;
}

.main-content input,
.main-content select,
.main-content textarea,
.main-content button {
    max-width: 100%;
}

.main-content .table-container,
.main-content .table-wrap,
.main-content .table-responsive,
.main-content .table-wrapper,
.main-content .user-table-wrap {
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    -webkit-overflow-scrolling: touch;
}

.main-content table {
    max-width: 100%;
}

.app-footer {
    width: auto;
    min-width: 0;
    box-sizing: border-box;
}

.stats-grid,
.settings-grid,
.report-grid,
.details-grid,
.profile-grid,
.summary-grid,
.form-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
}

@media (max-width: 992px) {
    .main-content {
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
    }

    .app-footer {
        margin-left: 0 !important;
    }
}

@media (max-width: 768px) {
    .main-content .container,
    .main-content .page-content {
        width: 100% !important;
        max-width: 100% !important;
        padding-right: 16px !important;
        padding-left: 16px !important;
    }

    .main-content .form-row,
    .main-content .form-actions,
    .main-content .filter-actions,
    .main-content .page-header,
    .main-content .table-header {
        flex-wrap: wrap;
    }

    .main-content .form-group,
    .main-content .filter-group {
        min-width: 0;
        max-width: 100%;
    }

    .app-topbar,
    .app-user {
        min-width: 0;
        max-width: 100%;
    }

    .app-topbar-heading h1 {
        overflow-wrap: anywhere;
    }

    .app-footer {
        flex-wrap: wrap;
        padding-right: 16px;
        padding-left: 16px;
    }
}

@media (max-width: 480px) {
    .main-content .container,
    .main-content .page-content {
        padding-right: 12px !important;
        padding-left: 12px !important;
    }

    .main-content .stats-grid,
    .main-content .settings-grid,
    .main-content .report-grid,
    .main-content .details-grid,
    .main-content .profile-grid,
    .main-content .summary-grid,
    .main-content .form-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .app-topbar {
        gap: 10px;
        padding-right: 12px;
        padding-left: 12px;
    }

    .app-user {
        gap: 8px;
    }

    .app-user-details {
        min-width: 0;
        overflow-wrap: anywhere;
    }

    .app-theme-toggle,
    .app-logout {
        min-height: 40px;
    }
}