/* Valley Ambulance Authority — professional application theme */
:root {
    --app-navy-950: #120c31;
    --app-navy-900: #1b1246;
    --app-navy-800: #2d1b69;
    --app-navy-700: #3a247d;
    --app-orange: #e97817;
    --app-orange-dark: #c95f0d;
    --app-crimson: #b93448;
    --app-cream: #fffaf4;
    --app-slate-700: #3e3b4b;
    --app-slate-600: #575366;
    --app-slate-500: #726d80;
    --app-slate-300: #cec9d8;
    --app-slate-200: #e7e3ed;
    --app-slate-100: #f3f1f6;
    --app-slate-50: #faf9fc;
    --app-red: var(--app-orange);
    --app-radius-sm: 7px;
    --app-radius: 11px;
    --app-radius-lg: 16px;
    --app-shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
    --app-shadow: 0 8px 24px rgba(15, 23, 42, .08);
    --app-shadow-lg: 0 18px 45px rgba(2, 12, 27, .14);
}

html { scroll-behavior: smooth; }

body {
    color: #302d3b;
    background:
        radial-gradient(circle at 100% 0, rgba(45, 27, 105, .07), transparent 28rem),
        linear-gradient(180deg, #f7f5fa, #fbfafc 40rem);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 14px;
    line-height: 1.55;
    letter-spacing: -.005em;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: min(100% - 2rem, 1440px);
    max-width: 1440px;
    padding: 0;
}

.main-content {
    min-height: calc(100vh - 150px);
    padding: 1.75rem 0 2.5rem;
}

h1, h2, h3, h4, h5, h6 {
    color: #23184f;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -.025em;
}

h1 { font-size: clamp(1.65rem, 2.5vw, 2.15rem); margin-bottom: .4rem; }
h2 { font-size: 1.45rem; }
h3 { font-size: 1.15rem; }
h1 > i, h2 > i, h3 > i { color: var(--app-red); margin-right: .35rem; }

.text-muted, small.text-muted { color: var(--app-slate-500) !important; }

/* Navigation */
.navbar {
    min-height: 72px;
    padding: 0;
    background:
        linear-gradient(90deg, var(--app-orange), #f2a348) top / 100% 3px no-repeat,
        linear-gradient(108deg, var(--app-navy-950), var(--app-navy-900) 66%, var(--app-navy-800));
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    box-shadow: 0 8px 30px rgba(2, 12, 27, .18);
}

.navbar .container { min-height: 72px; gap: 1rem; }

.nav-brand a {
    min-height: 72px;
    gap: .7rem;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: .01em;
}

.nav-brand a:hover { color: #fff; opacity: .9; }

.nav-logo,
.nav-brand img,
.navbar .nav-brand img,
.header-logo,
img.header-logo {
    height: 49px !important;
    max-height: 49px !important;
    max-width: 152px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,.18));
}

.nav-menu ul { gap: .15rem; }

.nav-menu > ul > li > a {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    gap: .38rem;
    padding: .5rem .65rem;
    border-radius: 8px;
    color: rgba(255,255,255,.82);
    font-size: .78rem;
    font-weight: 600;
    letter-spacing: .005em;
}

.nav-menu > ul > li > a i { color: rgba(255,255,255,.68); }
.nav-menu > ul > li > a:hover,
.nav-menu > ul > li > a[aria-current="page"] {
    color: #fff;
    background: rgba(255,255,255,.11);
}

.nav-menu > ul > li > a[aria-current="page"]::after {
    content: "";
    position: absolute;
    inset: auto .65rem -13px;
    height: 3px;
    border-radius: 3px 3px 0 0;
    background: var(--app-orange);
}

.nav-menu > ul > li { position: relative; }

.dropdown-menu,
.user-dropdown-menu {
    min-width: 220px;
    padding: .45rem;
    margin-top: .35rem;
    border: 1px solid var(--app-slate-200);
    border-top: 1px solid var(--app-slate-200);
    border-radius: var(--app-radius);
    background: rgba(255,255,255,.98);
    box-shadow: var(--app-shadow-lg);
}

.dropdown-menu a,
.user-dropdown-menu a {
    min-height: 38px;
    padding: .55rem .7rem;
    border-radius: 7px;
    color: var(--app-slate-700);
    font-size: .84rem;
    font-weight: 550;
}

.dropdown-menu a i,
.user-dropdown-menu a i {
    width: 18px;
    color: var(--app-slate-500);
}

.dropdown-menu a:hover,
.user-dropdown-menu a:hover {
    padding-left: .7rem;
    color: var(--app-navy-900);
    background: var(--app-slate-100);
}

.user-button {
    min-height: 38px;
    padding: .45rem .7rem;
    border-color: rgba(255,255,255,.16);
    border-radius: 9px;
    background: rgba(255,255,255,.08);
    font-size: .82rem;
    font-weight: 600;
}

/* Surfaces */
.card {
    margin-bottom: 1.25rem;
    padding: 1.25rem;
    border: 1px solid #e6e2eb;
    border-left: 1px solid #e6e2eb;
    border-radius: var(--app-radius-lg);
    background: rgba(255,255,255,.98);
    box-shadow: var(--app-shadow-sm);
    transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.card:hover {
    border-left-color: #d7e0ea;
    border-color: #d7e0ea;
    box-shadow: var(--app-shadow);
}

.card-header {
    min-height: 36px;
    margin: -1.25rem -1.25rem 1.1rem;
    padding: 1rem 1.25rem .85rem;
    border-bottom: 1px solid #e8edf3;
    color: var(--app-navy-900);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -.012em;
}

.card-header i { color: var(--app-red); }
.card-body { padding: 0; }

.info-banner,
.feature-lockout-box {
    border: 1px solid #dce5ef;
    border-radius: var(--app-radius);
    box-shadow: var(--app-shadow-sm);
}

/* Buttons */
.btn {
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .42rem;
    padding: .52rem .9rem;
    border: 1px solid transparent;
    border-radius: 8px;
    font-size: .84rem;
    font-weight: 650;
    line-height: 1.1;
    letter-spacing: .005em;
    box-shadow: none;
    transition: transform .14s ease, box-shadow .14s ease, background-color .14s ease;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
    color: #fff;
    border-color: var(--app-orange-dark);
    background: linear-gradient(180deg, #f08829, var(--app-orange));
    box-shadow: 0 4px 12px color-mix(in srgb, var(--app-red) 25%, transparent);
}
.btn-primary:hover {
    color: #fff;
    background: linear-gradient(180deg, #dd6d13, var(--app-orange-dark));
    box-shadow: 0 6px 16px color-mix(in srgb, var(--app-red) 28%, transparent);
}

.btn-secondary {
    color: #fff;
    border-color: var(--app-navy-900);
    background: linear-gradient(180deg, var(--app-navy-800), var(--app-navy-900));
}
.btn-outline,
.btn-outline-primary,
.btn-outline-secondary {
    color: var(--app-slate-700);
    border: 1px solid var(--app-slate-300);
    background: #fff;
}
.btn-outline:hover,
.btn-outline-primary:hover,
.btn-outline-secondary:hover {
    color: var(--app-navy-900);
    border-color: #aebdcd;
    background: var(--app-slate-50);
}
.btn-sm { min-height: 32px; padding: .38rem .65rem; font-size: .76rem; }
.btn-lg { min-height: 44px; padding: .7rem 1.15rem; font-size: .92rem; }
.btn-group { gap: .25rem; flex-wrap: wrap; }
.btn-group .btn { border-radius: 8px !important; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-label, .form-group > label {
    margin-bottom: .38rem;
    color: #334155;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: .01em;
}

.form-control,
.form-select,
select.form-control,
textarea.form-control {
    min-height: 40px;
    padding: .58rem .72rem;
    border: 1px solid #cbd6e2;
    border-radius: 8px;
    color: #1e293b;
    background-color: #fff;
    font: inherit;
    box-shadow: inset 0 1px 1px rgba(15,23,42,.025);
}

textarea.form-control { min-height: 96px; resize: vertical; }
.form-control::placeholder { color: #94a3b8; }
.form-control:hover, .form-select:hover { border-color: #a9b8c8; }
.form-control:focus, .form-select:focus {
    border-color: var(--app-red);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--app-red) 14%, transparent);
}

.form-check {
    min-height: 42px;
    align-items: flex-start;
    padding: .65rem .75rem;
    border: 1px solid #e0e7ef;
    border-radius: 9px;
    background: var(--app-slate-50);
}
.form-check input { margin-top: .12rem !important; }

/* Tables */
.table-responsive {
    border: 1px solid #e1e7ee;
    border-radius: var(--app-radius);
    background: #fff;
}

.table {
    border-collapse: separate;
    border-spacing: 0;
    font-size: .84rem;
}

.table th {
    padding: .7rem .75rem;
    border: 0;
    border-bottom: 1px solid #dce4ec;
    color: #475569;
    background: #f4f7fa;
    font-size: .72rem;
    font-weight: 750;
    letter-spacing: .045em;
    text-transform: uppercase;
    white-space: nowrap;
}

.table td {
    padding: .72rem .75rem;
    border-bottom: 1px solid #edf1f5;
    color: #334155;
    vertical-align: middle;
}

.table tbody tr:nth-child(even) { background: #fbfcfe; }
.table tbody tr:hover { background: #f2f6fa; }
.table tbody tr:last-child td { border-bottom: 0; }
.table a { color: #1e4f78; font-weight: 600; }
.table a { color: var(--app-navy-700); }
.table .text-right { font-variant-numeric: tabular-nums; }

/* Dashboards */
.dashboard-grid {
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    position: relative;
    overflow: hidden;
    min-height: 132px;
    padding: 1.15rem;
    text-align: left;
    border: 1px solid #e0e7ef;
    border-top: 1px solid #e0e7ef;
    border-radius: var(--app-radius-lg);
    background: #fff;
    box-shadow: var(--app-shadow-sm);
}
.stat-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: var(--app-orange);
}
.dashboard-grid .stat-card:nth-child(3n + 2)::before { background: var(--app-navy-700); }
.dashboard-grid .stat-card:nth-child(3n + 3)::before { background: var(--app-crimson); }
.stat-card:hover {
    transform: translateY(-2px);
    border-top-color: #d5dee8;
    box-shadow: var(--app-shadow);
}
.stat-card .icon {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    margin-bottom: .7rem;
    border-radius: 10px;
    color: var(--app-red);
    background: color-mix(in srgb, var(--app-red) 9%, #fff);
    font-size: 1rem;
}
.stat-card:hover .icon { color: var(--app-red); }
.stat-card .number,
.stat-card .stat-number {
    color: #15263c;
    font-size: 1.65rem;
    font-weight: 750;
    line-height: 1;
    letter-spacing: -.035em;
    font-variant-numeric: tabular-nums;
}
.stat-card .label,
.stat-card .stat-label {
    margin-top: .4rem;
    color: var(--app-slate-500);
    font-size: .76rem;
    font-weight: 650;
    letter-spacing: .02em;
    text-transform: uppercase;
}

/* Status */
.badge {
    padding: .28rem .56rem;
    border-radius: 999px;
    font-size: .7rem;
    font-weight: 750;
    letter-spacing: .02em;
}
.badge-success { color: #166534; background: #dcfce7; }
.badge-warning { color: #92400e; background: #fef3c7; }
.badge-danger { color: #991b1b; background: #fee2e2; }
.badge-info { color: #075985; background: #e0f2fe; }
.badge-primary { color: #1e3a8a; background: #dbeafe; }
.badge-secondary { color: #475569; background: #e2e8f0; }

.alert {
    padding: .85rem 1rem;
    border: 1px solid;
    border-left-width: 4px;
    border-radius: var(--app-radius);
    font-size: .85rem;
    box-shadow: var(--app-shadow-sm);
}
.alert-success { color: #166534; border-color: #86efac; background: #f0fdf4; }
.alert-error, .alert-danger { color: #991b1b; border-color: #fca5a5; background: #fef2f2; }
.alert-warning { color: #92400e; border-color: #fcd34d; background: #fffbeb; }
.alert-info { color: #075985; border-color: #7dd3fc; background: #f0f9ff; }

.pagination a, .pagination span {
    min-width: 34px;
    min-height: 34px;
    display: grid;
    place-items: center;
    border-color: #d8e1eb;
    border-radius: 8px;
    color: var(--app-slate-700);
    background: #fff;
}

.footer {
    margin-top: 2rem;
    padding: 1.35rem 0;
    color: rgba(255,255,255,.65);
    background: var(--app-navy-950);
    border-top: 3px solid var(--app-orange);
    font-size: .76rem;
}

/* Page-level composition */
.app-page-header,
.page-header,
.inventory-header,
.user-page-header,
.view-header,
.registrations-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.app-page-header {
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--app-slate-200);
}

.app-page-header h1,
.page-header h1,
.inventory-header h1,
.user-page-header h1,
.view-header h1 {
    margin-bottom: .2rem;
}

.app-page-header p,
.page-header p,
.inventory-header p,
.user-page-header p {
    margin: 0;
    max-width: 68ch;
    color: var(--app-slate-500);
}

/* Filters and search controls */
.filter-bar,
.classes-filter-grid-extended,
.students-filter-grid,
.user-search-grid,
.date-filter-grid,
.instructor-report-filter-grid,
.filter-row {
    gap: .85rem;
    padding: 1rem;
    margin-bottom: 1.2rem;
    background: #fff;
    border: 1px solid var(--app-slate-200);
    border-radius: var(--app-radius);
    box-shadow: var(--app-shadow-sm);
}

.filter-bar label,
.classes-filter-grid-extended label,
.students-filter-grid label,
.user-search-grid label,
.date-filter-grid label {
    color: var(--app-slate-600);
    font-size: .72rem;
    font-weight: 750;
    letter-spacing: .035em;
    text-transform: uppercase;
}

/* Detail and record pages */
.view-header {
    padding: 1.15rem 1.25rem;
    background: linear-gradient(135deg, #fff, #f8fafc);
    border: 1px solid var(--app-slate-200);
    border-radius: var(--app-radius-lg);
    box-shadow: var(--app-shadow-sm);
}

.info-grid-compact,
.class-info-grid,
.user-edit-grid,
.settings-grid-2col {
    gap: 1rem;
}

.class-info-card,
.class-notes-box,
.registration-notes-box,
.payment-confirm-header {
    padding: 1rem;
    background: var(--app-slate-50);
    border: 1px solid var(--app-slate-200);
    border-radius: var(--app-radius);
}

.registrations-header {
    padding-bottom: .75rem;
    border-bottom: 1px solid var(--app-slate-200);
}

/* Empty and completion states */
.empty-state,
.registrations-empty,
.empty-user-list,
.empty-cert-list,
.empty-state-success {
    padding: clamp(2.5rem, 7vw, 4.5rem) 1.5rem;
    text-align: center;
    color: var(--app-slate-500);
    background: linear-gradient(145deg, #fff, #f8fafc);
    border: 1px dashed var(--app-slate-300);
    border-radius: var(--app-radius-lg);
}

.empty-state-icon,
.registrations-empty-icon,
.empty-user-list-icon {
    display: inline-grid;
    width: 58px;
    height: 58px;
    margin-bottom: .85rem;
    place-items: center;
    color: var(--app-red);
    background: color-mix(in srgb, var(--app-red) 9%, white);
    border-radius: 50%;
    font-size: 1.35rem;
}

/* Inventory, card sales, and ordering */
.inventory-grid-2col,
.card-sales-grid,
.instructor-inventory-grid,
.order-layout-grid {
    gap: 1.15rem;
}

.inventory-cards-grid,
.instructor-cards-grid,
.order-grid {
    gap: .85rem;
}

.inventory-item-row,
.inventory-card,
.order-card,
.user-select-card {
    border: 1px solid var(--app-slate-200);
    border-radius: var(--app-radius);
    background: #fff;
    box-shadow: var(--app-shadow-sm);
    transition: border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}

.inventory-item-row:hover,
.inventory-card:hover,
.order-card:hover,
.user-select-card:hover {
    border-color: var(--app-slate-300);
    box-shadow: var(--app-shadow);
    transform: translateY(-1px);
}

.order-card-header,
.order-group-header {
    color: #fff;
    background: linear-gradient(110deg, var(--app-navy-900), var(--app-navy-800));
    border-radius: var(--app-radius) var(--app-radius) 0 0;
}

.order-summary,
.order-summary-sticky {
    border: 1px solid var(--app-slate-200);
    border-radius: var(--app-radius);
    background: #fff;
    box-shadow: var(--app-shadow);
}

/* Invoices and financial reporting */
.invoices-summary-card {
    min-width: 150px;
    padding: .75rem 1rem;
    flex: 1 1 155px;
    border-top: 3px solid var(--app-navy-800);
}

.invoices-summary-card small {
    display: block;
    margin-bottom: .25rem;
    font-size: .7rem;
    font-weight: 750;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.invoices-summary-card .h5 {
    color: var(--app-navy-900);
    font-size: 1.25rem;
    font-variant-numeric: tabular-nums;
}

.profit-summary-card,
.outstanding-summary-card {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--app-slate-200);
    border-radius: var(--app-radius-lg);
    box-shadow: var(--app-shadow);
}

.profit-summary-card::after,
.outstanding-summary-card::after {
    position: absolute;
    inset: 0 0 0 auto;
    width: 5px;
    content: "";
    background: var(--app-navy-800);
}

.profit-summary-card.profit-positive::after { background: #16a34a; }
.profit-summary-card.profit-negative::after { background: #dc2626; }

.profit-value,
.profit-value-lg,
.user-cert-stat-value,
.stat-value {
    font-variant-numeric: tabular-nums;
}

.report-grid-2-1 {
    gap: 1rem;
}

/* Settings and administration */
.settings-container {
    gap: 1.25rem;
    align-items: start;
}

.settings-sidebar {
    position: sticky;
    top: 84px;
    overflow: hidden;
    padding: .45rem;
    background: #fff;
    border: 1px solid var(--app-slate-200);
    border-radius: var(--app-radius);
    box-shadow: var(--app-shadow-sm);
}

.settings-sidebar a {
    display: flex;
    align-items: center;
    gap: .6rem;
    min-height: 42px;
    padding: .65rem .75rem;
    color: var(--app-slate-600);
    border-radius: 8px;
    font-weight: 650;
}

.settings-sidebar a:hover,
.settings-sidebar a.active,
.settings-sidebar a[aria-current="page"] {
    color: var(--app-navy-900);
    background: var(--app-slate-100);
}

.settings-main {
    min-width: 0;
}

.settings-footer-actions,
.registration-footer {
    padding-top: 1rem;
    border-top: 1px solid var(--app-slate-200);
}

/* Authentication and public registration */
body[data-page="login"],
body[data-page="forgot-password"],
body[data-page="reset-password"],
body[data-page="two-factor"] {
    background:
        radial-gradient(circle at 15% 15%, rgba(233, 120, 23, .13), transparent 24rem),
        radial-gradient(circle at 85% 80%, rgba(45, 27, 105, .10), transparent 28rem),
        linear-gradient(145deg, #f5f1f8, #fffaf4);
}

.auth-container,
.auth-card-container {
    width: min(100% - 2rem, 520px);
    margin-inline: auto;
}

.auth-card {
    overflow: hidden;
    border: 1px solid rgba(148, 163, 184, .35);
    border-radius: 18px;
    background: #fff;
    box-shadow: var(--app-shadow-lg);
}

.auth-card-header {
    padding: 1.6rem;
    color: #fff;
    text-align: center;
    background:
        linear-gradient(90deg, var(--app-orange), #f4a64f) top / 100% 4px no-repeat,
        linear-gradient(120deg, var(--app-navy-950), var(--app-navy-800));
}

.auth-card-header img {
    width: auto;
    height: 78px;
    max-width: 130px;
    margin-bottom: .75rem;
    object-fit: contain;
    filter: drop-shadow(0 5px 12px rgba(0,0,0,.24));
}

/* Valley public home */
body[data-page="home"] .hero-section {
    position: relative;
    overflow: hidden;
    padding: clamp(2.75rem, 7vw, 5rem) clamp(1.25rem, 5vw, 4.5rem);
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 22px;
    color: #fff;
    background:
        radial-gradient(circle at 90% 10%, rgba(233,120,23,.35), transparent 22rem),
        linear-gradient(125deg, var(--app-navy-950), var(--app-navy-800));
    box-shadow: 0 24px 60px rgba(27,18,70,.22);
}

body[data-page="home"] .hero-section::after {
    position: absolute;
    width: 280px;
    height: 280px;
    right: -100px;
    bottom: -170px;
    content: "";
    border: 36px solid rgba(255,255,255,.045);
    border-radius: 50%;
}

body[data-page="home"] .hero-title,
body[data-page="home"] .hero-subtitle,
body[data-page="home"] .hero-description {
    position: relative;
    z-index: 1;
    color: #fff;
}

body[data-page="home"] .hero-title i { color: #ff9b3d; }

body[data-page="home"] .feature-card,
body[data-page="home"] .contact-card {
    border: 1px solid var(--app-slate-200);
    border-radius: var(--app-radius-lg);
    background: #fff;
    box-shadow: var(--app-shadow-sm);
}

body[data-page="home"] .feature-icon {
    color: var(--app-orange);
    background: #fff3e7;
}

/* Setup wizard */
body[data-page="setup-wizard"] {
    min-height: 100vh;
    background:
        radial-gradient(circle at 15% 10%, rgba(233,120,23,.14), transparent 24rem),
        radial-gradient(circle at 90% 85%, rgba(45,27,105,.11), transparent 30rem),
        #f7f5fa;
}

body[data-page="setup-wizard"] .wizard-wrapper {
    padding: clamp(1rem, 4vw, 3rem);
}

body[data-page="setup-wizard"] .wizard-container {
    width: min(100%, 820px);
}

body[data-page="setup-wizard"] .wizard-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.2rem;
    color: #fff;
    text-align: left;
    background:
        linear-gradient(90deg, var(--app-orange), #f3a54c) top / 100% 4px no-repeat,
        linear-gradient(120deg, var(--app-navy-950), var(--app-navy-800));
    border-radius: 16px 16px 0 0;
}

body[data-page="setup-wizard"] .wizard-header h1,
body[data-page="setup-wizard"] .wizard-header p {
    margin: 0;
    color: #fff;
}

.wizard-logo {
    width: auto;
    height: 72px;
    object-fit: contain;
    filter: drop-shadow(0 4px 10px rgba(0,0,0,.25));
}

body[data-page="setup-wizard"] .steps-indicator {
    padding: 1.2rem;
    border-inline: 1px solid var(--app-slate-200);
    background: #fff;
}

body[data-page="setup-wizard"] .step-item.active .step-number,
body[data-page="setup-wizard"] .step-item.completed .step-number {
    color: #fff;
    background: var(--app-orange);
    border-color: var(--app-orange);
}

body[data-page="setup-wizard"] .wizard-card {
    overflow: hidden;
    border: 1px solid var(--app-slate-200);
    border-radius: 0 0 16px 16px;
    background: #fff;
    box-shadow: var(--app-shadow-lg);
}

body[data-page="setup-wizard"] .wizard-card-header {
    border-bottom: 1px solid var(--app-slate-200);
    background: var(--app-slate-50);
}

.auth-card-header h2,
.auth-card-header p {
    color: #fff;
}

.auth-card-header p { opacity: .75; }
.auth-card-body { padding: 1.5rem; }

.registration-container {
    width: min(100%, 980px);
    margin-inline: auto;
}

body[data-page="public-schedule"] .filter-bar,
body[data-page="class-registration"] .class-info-grid {
    box-shadow: var(--app-shadow);
}

/* Dialogs */
.modal,
.modal-overlay {
    backdrop-filter: blur(3px);
}

.modal-content,
.modal-content-large,
.modal-content-medium {
    overflow: hidden;
    border: 1px solid rgba(148, 163, 184, .4);
    border-radius: var(--app-radius-lg);
    box-shadow: 0 24px 70px rgba(2, 12, 27, .26);
}

.modal-header,
.modal-header-sticky {
    border-bottom: 1px solid var(--app-slate-200);
    background: #fff;
}

.modal-header-gradient {
    color: #fff;
    background: linear-gradient(110deg, var(--app-navy-950), var(--app-navy-800));
}

.modal-footer {
    border-top: 1px solid var(--app-slate-200);
    background: var(--app-slate-50);
}

/* Accounting and print */
body[data-page="accounting"] .table td:last-child,
body[data-page="financial-report"] .table td:last-child {
    font-variant-numeric: tabular-nums;
}

@media (max-width: 1100px) {
    .nav-menu > ul > li > a { padding-inline: .48rem; font-size: .74rem; }
    .nav-menu > ul > li > a i { display: none; }
}

@media (max-width: 768px) {
    .container { width: min(100% - 1.2rem, 1440px); }
    .navbar, .navbar .container { min-height: 64px; }
    .nav-brand a { min-height: 64px; }
    .main-content { padding-top: 1.15rem; }
    .nav-menu {
        top: 64px;
        padding: .6rem;
        background: var(--app-navy-950);
        border-top: 1px solid rgba(255,255,255,.08);
        box-shadow: var(--app-shadow-lg);
    }
    .nav-menu ul { gap: .2rem; }
    .nav-menu > ul > li > a {
        width: 100%;
        min-height: 44px;
        padding: .7rem .8rem;
        font-size: .86rem;
    }
    .nav-menu > ul > li > a i { display: inline-block; }
    .nav-menu > ul > li > a[aria-current="page"]::after { display: none; }
    .card { padding: 1rem; border-radius: 12px; }
    .card-header { margin: -1rem -1rem 1rem; padding: .9rem 1rem .75rem; }
    .dashboard-grid { grid-template-columns: 1fr 1fr; gap: .75rem; }
    .stat-card { min-height: 118px; }
    .d-flex { row-gap: .65rem; }
    .settings-container,
    .order-layout-grid,
    .inventory-grid-2col,
    .card-sales-grid,
    .report-grid-2-1,
    .user-edit-grid,
    .settings-grid-2col {
        grid-template-columns: 1fr !important;
    }
    .settings-sidebar {
        position: static;
        display: flex;
        overflow-x: auto;
        gap: .25rem;
        padding: .35rem;
    }
    .settings-sidebar a {
        min-width: max-content;
    }
    .app-page-header,
    .page-header,
    .inventory-header,
    .user-page-header,
    .view-header,
    .registrations-header {
        align-items: stretch;
    }
    .app-page-header > .btn,
    .page-header > .btn,
    .inventory-header > .btn,
    .user-page-header > .btn {
        width: 100%;
    }
    .filter-bar,
    .classes-filter-grid-extended,
    .students-filter-grid,
    .user-search-grid,
    .date-filter-grid,
    .instructor-report-filter-grid {
        grid-template-columns: 1fr !important;
    }
    .nav-logo,
    .nav-brand img,
    .navbar .nav-brand img,
    .header-logo,
    img.header-logo {
        height: 42px !important;
        max-height: 42px !important;
    }
}

@media (max-width: 480px) {
    .dashboard-grid { grid-template-columns: 1fr; }
    h1 { font-size: 1.55rem; }
    .btn-group { width: 100%; }
    .btn-group .btn { flex: 1 1 auto; }
}

@media print {
    body { background: #fff !important; color: #111827; }
    .navbar, .footer, .btn, form, .no-print { display: none !important; }
    .main-content { padding: 0; }
    .container { width: 100%; max-width: none; }
    .card { break-inside: avoid; border: 1px solid #d1d5db; box-shadow: none; }
    .table-responsive { overflow: visible; border-color: #d1d5db; }
    .table th { color: #111827; background: #f3f4f6 !important; }
    .app-page-header, .page-header, .view-header {
        padding: 0 0 .75rem;
        border: 0;
        border-bottom: 2px solid #111827;
        border-radius: 0;
        box-shadow: none;
        background: #fff;
    }
    .profit-summary-card,
    .outstanding-summary-card,
    .invoices-summary-card {
        border: 1px solid #9ca3af;
        box-shadow: none;
    }
}

/* ==========================================================================
   VALLEY OPERATIONS 2.0
   A visibly new application shell: fixed navigation rail + bento workspace.
   ========================================================================== */

.brand-copy {
    min-width: 0;
    display: flex;
    flex-direction: column;
    line-height: 1.08;
}

.brand-copy strong {
    overflow: hidden;
    color: inherit;
    font-size: .96rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.brand-copy small {
    margin-top: .3rem;
    color: rgba(255,255,255,.52);
    font-size: .58rem;
    font-weight: 800;
    letter-spacing: .11em;
    text-transform: uppercase;
}

.nav-section-title { display: none; }

@media (min-width: 769px) {
    body.app-authenticated {
        --v2-sidebar-width: 278px;
        min-height: 100vh;
        background:
            radial-gradient(circle at 92% 5%, rgba(233,120,23,.08), transparent 25rem),
            linear-gradient(145deg, #f3f0f7, #faf9fc 55%, #f6f2f8);
    }

    .app-authenticated .navbar {
        position: fixed;
        inset: 0 auto 0 0;
        z-index: 1000;
        width: var(--v2-sidebar-width);
        min-height: 100vh;
        padding: 0;
        overflow: visible;
        background:
            radial-gradient(circle at 15% 0, rgba(233,120,23,.19), transparent 15rem),
            linear-gradient(180deg, #120c31 0%, #1b1246 55%, #241454 100%);
        border: 0;
        border-right: 1px solid rgba(255,255,255,.09);
        box-shadow: 18px 0 50px rgba(18,12,49,.13);
    }

    .app-authenticated .navbar::after {
        position: absolute;
        inset: 0 0 0 auto;
        width: 3px;
        content: "";
        background: linear-gradient(180deg, var(--app-orange), rgba(233,120,23,.12) 25%, transparent 70%);
    }

    .app-authenticated .navbar .container {
        width: 100%;
        height: 100vh;
        min-height: 0;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 1.15rem .85rem;
        overflow: visible;
    }

    .app-authenticated .nav-brand {
        width: 100%;
        flex: 0 0 auto;
        margin-bottom: .9rem;
        padding-bottom: 1rem;
        border-bottom: 1px solid rgba(255,255,255,.09);
    }

    .app-authenticated .nav-brand a {
        width: 100%;
        min-height: 68px;
        display: flex;
        gap: .8rem;
        padding: .55rem .65rem;
        border: 1px solid rgba(255,255,255,.08);
        border-radius: 14px;
        background: rgba(255,255,255,.055);
    }

    .app-authenticated .nav-brand img,
    .app-authenticated .navbar .nav-brand img,
    .app-authenticated img.header-logo {
        width: 44px;
        height: 52px !important;
        max-height: 52px !important;
        flex: 0 0 auto;
        object-fit: contain;
    }

    .app-authenticated .nav-toggle { display: none !important; }

    .app-authenticated .nav-menu {
        position: static;
        width: 100%;
        min-width: 0;
        display: block;
        flex: 1 1 auto;
        padding: .15rem .15rem 1rem;
        overflow-x: hidden;
        overflow-y: auto;
        background: transparent;
        box-shadow: none;
        scrollbar-color: rgba(255,255,255,.18) transparent;
        scrollbar-width: thin;
    }

    .app-authenticated .nav-menu > ul {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: .17rem;
    }

    .app-authenticated .nav-menu > ul > li {
        width: 100%;
        flex: 0 0 auto;
    }

    .app-authenticated .nav-menu .nav-section-title {
        display: block;
        margin: .9rem .65rem .28rem;
        color: rgba(255,255,255,.34);
        font-size: .59rem;
        font-weight: 850;
        letter-spacing: .12em;
        text-transform: uppercase;
        pointer-events: none;
    }

    .app-authenticated .nav-menu > ul > li > a {
        position: relative;
        width: 100%;
        min-height: 43px;
        display: flex;
        justify-content: flex-start;
        gap: .72rem;
        padding: .68rem .78rem;
        color: rgba(255,255,255,.7);
        border: 1px solid transparent;
        border-radius: 10px;
        font-size: .82rem;
        font-weight: 650;
    }

    .app-authenticated .nav-menu > ul > li > a > i:first-child {
        width: 19px;
        color: rgba(255,255,255,.45);
        font-size: .92rem;
        text-align: center;
    }

    .app-authenticated .nav-menu > ul > li > a:hover {
        color: #fff;
        background: rgba(255,255,255,.07);
        border-color: rgba(255,255,255,.07);
    }

    .app-authenticated .nav-menu > ul > li > a[aria-current="page"] {
        color: #fff;
        background: linear-gradient(90deg, rgba(233,120,23,.28), rgba(255,255,255,.08));
        border-color: rgba(255,174,92,.15);
        box-shadow: inset 3px 0 var(--app-orange), 0 8px 22px rgba(0,0,0,.1);
    }

    .app-authenticated .nav-menu > ul > li > a[aria-current="page"]::after {
        display: none;
    }

    .app-authenticated .nav-menu > ul > li > a[aria-current="page"] > i:first-child {
        color: #ffad5b;
    }

    .app-authenticated .nav-caret,
    .app-authenticated .dropdown > a > .fa-caret-down:last-child {
        margin-left: auto;
        opacity: .45;
    }

    .app-authenticated .dropdown-menu {
        position: static;
        min-width: 0;
        display: none;
        margin: .2rem 0 .35rem 1rem;
        padding: .2rem 0 .2rem .65rem;
        border: 0;
        border-left: 1px solid rgba(255,255,255,.1);
        border-radius: 0;
        background: transparent;
        box-shadow: none;
    }

    .app-authenticated .dropdown:hover > .dropdown-menu,
    .app-authenticated .dropdown:focus-within > .dropdown-menu,
    .app-authenticated .dropdown:has(a[aria-current="page"]) > .dropdown-menu {
        display: block;
    }

    .app-authenticated .dropdown-menu a {
        min-height: 34px;
        padding: .46rem .65rem;
        color: rgba(255,255,255,.53);
        border-radius: 7px;
        font-size: .75rem;
    }

    .app-authenticated .dropdown-menu a i {
        color: rgba(255,255,255,.33);
    }

    .app-authenticated .dropdown-menu a:hover,
    .app-authenticated .dropdown-menu a[aria-current="page"] {
        color: #fff;
        background: rgba(255,255,255,.065);
    }

    .app-authenticated .dropdown-divider {
        border-color: rgba(255,255,255,.08);
    }

    .app-authenticated .nav-user {
        width: 100%;
        flex: 0 0 auto;
        padding: .85rem .15rem 0;
        border-top: 1px solid rgba(255,255,255,.09);
    }

    .app-authenticated .user-dropdown,
    .app-authenticated .user-button {
        width: 100%;
    }

    .app-authenticated .user-button {
        min-height: 54px;
        display: flex;
        justify-content: flex-start;
        gap: .7rem;
        padding: .55rem .7rem;
        color: #fff;
        border: 1px solid rgba(255,255,255,.1);
        border-radius: 12px;
        background: rgba(255,255,255,.055);
    }

    .app-authenticated .user-button > .fa-user-circle {
        color: #ffad5b;
        font-size: 1.4rem;
    }

    .user-identity {
        min-width: 0;
        display: flex;
        flex: 1;
        flex-direction: column;
        align-items: flex-start;
        line-height: 1.1;
    }

    .user-identity strong {
        max-width: 145px;
        overflow: hidden;
        font-size: .82rem;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .user-identity small {
        margin-top: .25rem;
        color: rgba(255,255,255,.43);
        font-size: .62rem;
        font-weight: 750;
        letter-spacing: .05em;
        text-transform: uppercase;
    }

    .app-authenticated .user-dropdown-menu {
        inset: auto 0 calc(100% + .5rem);
        width: 100%;
        min-width: 0;
        margin: 0;
    }

    .app-authenticated .main-content {
        min-height: calc(100vh - 74px);
        margin-left: var(--v2-sidebar-width);
        padding: 2.2rem clamp(1.5rem, 3.2vw, 3.2rem) 3rem;
    }

    .app-authenticated .main-content > .container {
        width: 100%;
        max-width: 1580px;
        margin-inline: auto;
    }

    .app-authenticated .footer {
        margin: 0 0 0 var(--v2-sidebar-width);
        padding: 1.15rem clamp(1.5rem, 3.2vw, 3.2rem);
        color: var(--app-slate-500);
        background: transparent;
        border: 0;
    }

    .app-authenticated .footer .container {
        width: 100%;
        max-width: 1580px;
        display: flex;
        justify-content: space-between;
        padding-top: 1rem;
        border-top: 1px solid var(--app-slate-200);
    }
}

/* V2 workspace components */
.app-authenticated .app-page-header {
    position: relative;
    min-height: 92px;
    align-items: center;
    padding: 1.2rem 1.3rem 1.2rem 1.55rem;
    border: 1px solid rgba(45,27,105,.1);
    border-radius: 18px;
    background:
        linear-gradient(90deg, var(--app-orange), #f5aa5c) left / 5px 100% no-repeat,
        linear-gradient(125deg, rgba(255,255,255,.98), rgba(248,246,251,.98));
    box-shadow: 0 14px 35px rgba(27,18,70,.065);
}

.app-authenticated .app-page-header h1 {
    color: var(--app-navy-900);
    font-size: clamp(1.7rem, 2.7vw, 2.35rem);
    letter-spacing: -.04em;
}

.app-authenticated .card {
    border-color: rgba(45,27,105,.1);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(27,18,70,.055);
}

.app-authenticated .card:hover {
    border-color: rgba(45,27,105,.17);
    box-shadow: 0 18px 45px rgba(27,18,70,.09);
}

.app-authenticated .card-header {
    min-height: 48px;
    padding: 1.15rem 1.25rem .95rem;
    border-bottom-color: rgba(45,27,105,.09);
    font-size: 1.05rem;
}

.app-authenticated .inventory-cards-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: .85rem;
}

.app-authenticated .inventory-cards-grid .inventory-card {
    grid-column: auto !important;
    min-height: 142px;
    padding: 1rem;
    color: inherit;
    background: #fff;
    border: 1px solid rgba(45,27,105,.1);
    border-top: 3px solid var(--dynamic-border-top, var(--app-orange));
    border-radius: 16px;
}

.app-authenticated .inventory-cards-grid .inventory-card .number {
    color: var(--app-navy-900);
    font-size: 1.55rem;
}

.app-authenticated .inventory-cards-grid .inventory-card .inventory-card-label {
    color: var(--app-slate-600);
    font-size: .72rem;
}

.app-authenticated[data-page="dashboard"] .dashboard-summary-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
}

.app-authenticated[data-page="dashboard"] .dashboard-summary-grid .stat-card {
    min-height: 150px;
    padding: 1.25rem;
    border: 1px solid rgba(45,27,105,.1);
    border-radius: 20px;
    box-shadow: 0 12px 32px rgba(27,18,70,.06);
}

.app-authenticated[data-page="dashboard"] .dashboard-summary-grid .stat-card:first-child {
    grid-column: span 2;
    color: #fff;
    background:
        radial-gradient(circle at 90% 15%, rgba(233,120,23,.35), transparent 12rem),
        linear-gradient(125deg, var(--app-navy-950), var(--app-navy-800));
    border-color: transparent;
}

.app-authenticated[data-page="dashboard"] .dashboard-summary-grid .stat-card:last-child:nth-child(even) {
    grid-column: span 2;
}

.app-authenticated[data-page="dashboard"] .dashboard-summary-grid .stat-card:first-child::before {
    width: 5px;
    background: var(--app-orange);
}

.app-authenticated[data-page="dashboard"] .dashboard-summary-grid .stat-card:first-child .number,
.app-authenticated[data-page="dashboard"] .dashboard-summary-grid .stat-card:first-child .stat-number {
    color: #fff;
    font-size: 2rem;
}

.app-authenticated[data-page="dashboard"] .dashboard-summary-grid .stat-card:first-child .label,
.app-authenticated[data-page="dashboard"] .dashboard-summary-grid .stat-card:first-child .stat-label {
    color: rgba(255,255,255,.62);
}

.app-authenticated[data-page="dashboard"] .dashboard-summary-grid .stat-card:first-child .icon {
    color: #fff;
    background: rgba(255,255,255,.12);
}

.app-authenticated .stat-card .number,
.app-authenticated .stat-card .stat-number {
    font-size: 1.85rem;
}

.app-authenticated .filter-bar,
.app-authenticated .classes-filter-grid-extended,
.app-authenticated .students-filter-grid,
.app-authenticated .user-search-grid,
.app-authenticated .date-filter-grid,
.app-authenticated .instructor-report-filter-grid {
    padding: 1.15rem;
    border-color: rgba(45,27,105,.1);
    border-radius: 16px;
    background: rgba(255,255,255,.82);
    box-shadow: 0 10px 28px rgba(27,18,70,.045);
    backdrop-filter: blur(12px);
}

.app-authenticated .filter-bar {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    align-items: end;
}

.app-authenticated .table-responsive {
    border-color: rgba(45,27,105,.1);
    border-radius: 14px;
}

.app-authenticated .table th {
    height: 46px;
    color: #5b5567;
    background: #f4f1f7;
    border-bottom-color: rgba(45,27,105,.1);
}

.app-authenticated .table td {
    height: 50px;
    border-bottom-color: #efecf2;
}

.app-authenticated .table tbody tr:nth-child(even) { background: #fcfbfd; }
.app-authenticated .table tbody tr:hover { background: #f8f3fb; }

.app-authenticated .btn {
    min-height: 41px;
    border-radius: 10px;
    font-weight: 750;
}

.app-authenticated .btn-primary {
    box-shadow: 0 8px 20px rgba(201,95,13,.2);
}

.app-authenticated .badge {
    padding: .34rem .62rem;
    border-radius: 8px;
}

@media (max-width: 1180px) and (min-width: 769px) {
    body.app-authenticated { --v2-sidebar-width: 244px; }
    .app-authenticated[data-page="dashboard"] .dashboard-summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
    body.app-authenticated {
        padding-top: 68px;
        background: linear-gradient(145deg, #f3f0f7, #faf9fc);
    }

    .app-authenticated .navbar {
        position: fixed;
        inset: 0 0 auto;
        z-index: 1000;
        min-height: 68px;
        padding: 0;
        background:
            linear-gradient(90deg, var(--app-orange), #f2a348) top / 100% 3px no-repeat,
            linear-gradient(105deg, var(--app-navy-950), var(--app-navy-800));
    }

    .app-authenticated .navbar .container {
        width: 100%;
        min-height: 68px;
        display: flex;
        flex-direction: row;
        flex-wrap: nowrap;
        gap: .55rem;
        padding: .45rem .7rem !important;
    }

    .app-authenticated .nav-brand {
        min-width: 0;
        flex: 1;
    }

    .app-authenticated .nav-brand a {
        min-height: 58px;
        gap: .55rem;
    }

    .app-authenticated .nav-brand img,
    .app-authenticated .navbar .nav-brand img,
    .app-authenticated img.header-logo {
        width: 35px;
        height: 44px !important;
        max-height: 44px !important;
    }

    .app-authenticated .brand-copy strong { font-size: .8rem; }
    .app-authenticated .brand-copy small { display: none; }

    .app-authenticated .nav-toggle {
        position: relative;
        width: 42px;
        height: 42px;
        display: flex;
        flex: 0 0 42px;
        order: 3;
        align-items: center;
        justify-content: center;
        border: 1px solid rgba(255,255,255,.14);
        border-radius: 10px;
        background: rgba(255,255,255,.08);
    }

    .app-authenticated .nav-menu {
        position: fixed;
        inset: 68px auto 0 0;
        z-index: 1001;
        width: min(88vw, 320px);
        height: calc(100dvh - 68px);
        max-height: none !important;
        display: block;
        padding: .8rem .7rem 2rem;
        overflow-y: auto;
        background:
            radial-gradient(circle at 10% 0, rgba(233,120,23,.18), transparent 15rem),
            linear-gradient(180deg, var(--app-navy-950), #241454);
        box-shadow: 22px 0 55px rgba(18,12,49,.28);
        transform: translateX(-105%);
        transition: transform .24s ease;
    }

    .app-authenticated .nav-menu.active { transform: translateX(0); }

    .app-authenticated .nav-toggle.active .hamburger-line:nth-child(1) {
        position: absolute;
        top: 18px;
        left: 8px;
        margin: 0;
        transform: rotate(45deg);
    }

    .app-authenticated .nav-toggle.active .hamburger-line:nth-child(3) {
        position: absolute;
        top: 18px;
        left: 8px;
        margin: 0;
        transform: rotate(-45deg);
    }

    .app-authenticated .nav-menu > ul {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: .18rem;
    }

    .app-authenticated .nav-menu .nav-section-title {
        display: block;
        margin: .9rem .7rem .3rem;
        color: rgba(255,255,255,.36);
        font-size: .58rem;
        font-weight: 850;
        letter-spacing: .12em;
        text-transform: uppercase;
    }

    .app-authenticated .nav-menu > ul > li > a {
        width: 100%;
        min-height: 44px;
        justify-content: flex-start;
        gap: .72rem;
        padding: .7rem .75rem;
        color: rgba(255,255,255,.72);
        border-radius: 9px;
    }

    .app-authenticated .nav-menu > ul > li > a[aria-current="page"] {
        color: #fff;
        background: linear-gradient(90deg, rgba(233,120,23,.28), rgba(255,255,255,.08));
        box-shadow: inset 3px 0 var(--app-orange);
    }

    .app-authenticated .nav-menu > ul > li > a[aria-current="page"]::after { display: none; }

    .app-authenticated .dropdown-menu,
    .app-authenticated .dropdown.active > .dropdown-menu {
        position: static;
        min-width: 0;
        margin: .2rem 0 .3rem .8rem;
        padding: .2rem 0 .2rem .5rem;
        border: 0;
        border-left: 1px solid rgba(255,255,255,.1);
        background: transparent;
        box-shadow: none;
    }

    .app-authenticated .dropdown-menu a {
        color: rgba(255,255,255,.58);
        background: transparent;
    }

    .app-authenticated .nav-user {
        flex: 0 0 42px;
        order: 2;
    }

    .app-authenticated .user-button {
        width: 42px;
        height: 42px;
        min-height: 42px;
        display: grid;
        padding: 0;
        place-items: center;
        border: 1px solid rgba(255,255,255,.14);
        border-radius: 10px;
        background: rgba(255,255,255,.08);
    }

    .app-authenticated .user-button > .fa-user-circle {
        margin: 0;
        color: #ffad5b;
        font-size: 1.25rem;
    }

    .app-authenticated .user-identity,
    .app-authenticated .user-button > .fa-caret-down {
        display: none;
    }

    .app-authenticated .user-dropdown-menu {
        position: fixed;
        inset: 62px .7rem auto auto;
        width: min(86vw, 270px);
    }

    .app-authenticated .main-content {
        min-height: calc(100vh - 68px);
        margin: 0;
        padding: 1rem .7rem 2rem;
    }

    .app-authenticated .main-content > .container {
        width: 100%;
        padding: 0 !important;
    }

    .app-authenticated .footer {
        margin: 0;
        padding: 1rem .75rem;
        background: transparent;
        border: 0;
    }

    .app-authenticated .footer .container {
        width: 100%;
        display: block;
        padding-top: 1rem !important;
        border-top: 1px solid var(--app-slate-200);
    }

    .app-authenticated .app-page-header {
        min-height: 0;
        padding: 1rem 1rem 1rem 1.2rem;
        border-radius: 15px;
    }

    .app-authenticated[data-page="dashboard"] .dashboard-summary-grid {
        grid-template-columns: 1fr 1fr;
        gap: .75rem;
    }

    .app-authenticated[data-page="dashboard"] .dashboard-summary-grid .stat-card:first-child {
        grid-column: 1 / -1;
    }

    .app-authenticated[data-page="dashboard"] .dashboard-summary-grid .stat-card:last-child:nth-child(even) {
        grid-column: auto;
    }

    .app-authenticated[data-page="dashboard"] .dashboard-summary-grid .stat-card {
        min-height: 132px;
        border-radius: 16px;
    }

    .app-authenticated .card { border-radius: 16px; }
}

@media (max-width: 500px) {
    .app-authenticated[data-page="dashboard"] .dashboard-summary-grid { grid-template-columns: 1fr; }
    .app-authenticated[data-page="dashboard"] .dashboard-summary-grid .stat-card:first-child { grid-column: auto; }
}

@media print {
    .app-authenticated .main-content,
    .app-authenticated .footer {
        margin-left: 0 !important;
    }
}

/* Light / dark appearance selector */
.theme-selector {
    padding: .55rem;
}

.user-dropdown.open .user-dropdown-menu {
    display: block;
}

.theme-selector-label {
    display: block;
    margin: 0 .15rem .45rem;
    color: var(--app-slate-500);
    font-size: .62rem;
    font-weight: 850;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.theme-selector-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: .25rem;
    padding: .25rem;
    border: 1px solid var(--app-slate-200);
    border-radius: 9px;
    background: var(--app-slate-100);
}

.theme-selector-options button {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .35rem;
    padding: .4rem .55rem;
    color: var(--app-slate-600);
    border: 0;
    border-radius: 7px;
    background: transparent;
    font: inherit;
    font-size: .72rem;
    font-weight: 750;
    cursor: pointer;
}

.theme-selector-options button:hover {
    color: var(--app-navy-900);
    background: rgba(255,255,255,.65);
}

.theme-selector-options button.active,
.theme-selector-options button[aria-pressed="true"] {
    color: #fff;
    background: var(--app-navy-800);
    box-shadow: 0 3px 10px rgba(27,18,70,.18);
}

/* Dark appearance */
html[data-theme="dark"] {
    --app-slate-700: #e4dfeb;
    --app-slate-600: #c8c2d1;
    --app-slate-500: #aaa3b6;
    --app-slate-300: #4b455d;
    --app-slate-200: #353044;
    --app-slate-100: #242033;
    --app-slate-50: #1d192b;
    color-scheme: dark;
}

html[data-theme="dark"] body {
    color: #e6e1ec;
    background:
        radial-gradient(circle at 92% 5%, rgba(233,120,23,.08), transparent 26rem),
        radial-gradient(circle at 20% 90%, rgba(71,49,145,.13), transparent 32rem),
        #100e19;
}

html[data-theme="dark"] body.app-authenticated {
    background:
        radial-gradient(circle at 92% 5%, rgba(233,120,23,.08), transparent 26rem),
        radial-gradient(circle at 20% 90%, rgba(71,49,145,.13), transparent 32rem),
        #100e19;
}

html[data-theme="dark"] h1,
html[data-theme="dark"] h2,
html[data-theme="dark"] h3,
html[data-theme="dark"] h4,
html[data-theme="dark"] h5,
html[data-theme="dark"] h6 {
    color: #f2edf7;
}

html[data-theme="dark"] .text-muted,
html[data-theme="dark"] small.text-muted {
    color: #aaa3b6 !important;
}

html[data-theme="dark"] .app-authenticated .app-page-header {
    border-color: rgba(255,255,255,.09);
    background:
        linear-gradient(90deg, var(--app-orange), #f5aa5c) left / 5px 100% no-repeat,
        linear-gradient(125deg, rgba(31,27,44,.98), rgba(24,21,36,.98));
    box-shadow: 0 16px 38px rgba(0,0,0,.2);
}

html[data-theme="dark"] .app-authenticated .app-page-header h1 {
    color: #f5f1f8;
}

html[data-theme="dark"] .card,
html[data-theme="dark"] .stat-card,
html[data-theme="dark"] .view-header,
html[data-theme="dark"] .class-info-card,
html[data-theme="dark"] .class-notes-box,
html[data-theme="dark"] .registration-notes-box,
html[data-theme="dark"] .payment-confirm-header,
html[data-theme="dark"] .settings-sidebar,
html[data-theme="dark"] .order-summary,
html[data-theme="dark"] .order-summary-sticky,
html[data-theme="dark"] .profit-summary-card,
html[data-theme="dark"] .outstanding-summary-card,
html[data-theme="dark"] .auth-card,
html[data-theme="dark"] .inventory-item-row,
html[data-theme="dark"] .inventory-card,
html[data-theme="dark"] .order-card,
html[data-theme="dark"] .user-select-card {
    color: #e6e1ec;
    background: #191625;
    border-color: #332e41;
    box-shadow: 0 12px 34px rgba(0,0,0,.18);
}

html[data-theme="dark"] .card:hover,
html[data-theme="dark"] .stat-card:hover,
html[data-theme="dark"] .inventory-card:hover,
html[data-theme="dark"] .order-card:hover {
    border-color: #484158;
    box-shadow: 0 18px 45px rgba(0,0,0,.26);
}

html[data-theme="dark"] .card-header,
html[data-theme="dark"] .registrations-header {
    color: #f2edf7;
    background: transparent;
    border-color: #332e41;
}

html[data-theme="dark"] .info-banner,
html[data-theme="dark"] .feature-lockout-box,
html[data-theme="dark"] .form-check {
    color: #ddd7e5;
    background: #211d30;
    border-color: #3a3448;
}

html[data-theme="dark"] .filter-bar,
html[data-theme="dark"] .classes-filter-grid-extended,
html[data-theme="dark"] .students-filter-grid,
html[data-theme="dark"] .user-search-grid,
html[data-theme="dark"] .date-filter-grid,
html[data-theme="dark"] .instructor-report-filter-grid,
html[data-theme="dark"] .filter-row {
    color: #e6e1ec;
    background: rgba(28,24,40,.9);
    border-color: #363044;
    box-shadow: 0 12px 32px rgba(0,0,0,.18);
}

html[data-theme="dark"] .form-label,
html[data-theme="dark"] .form-group > label,
html[data-theme="dark"] .filter-bar label,
html[data-theme="dark"] .classes-filter-grid-extended label,
html[data-theme="dark"] .students-filter-grid label,
html[data-theme="dark"] .user-search-grid label,
html[data-theme="dark"] .date-filter-grid label {
    color: #c9c3d2;
}

html[data-theme="dark"] .form-control,
html[data-theme="dark"] .form-select,
html[data-theme="dark"] select.form-control,
html[data-theme="dark"] textarea.form-control,
html[data-theme="dark"] input:not([type="checkbox"]):not([type="radio"]):not([type="color"]),
html[data-theme="dark"] select,
html[data-theme="dark"] textarea {
    color: #f0ebf4;
    background-color: #211d30;
    border-color: #484158;
    box-shadow: inset 0 1px 2px rgba(0,0,0,.18);
}

html[data-theme="dark"] .form-control::placeholder,
html[data-theme="dark"] textarea::placeholder,
html[data-theme="dark"] input::placeholder {
    color: #81798e;
}

html[data-theme="dark"] .form-control:focus,
html[data-theme="dark"] .form-select:focus,
html[data-theme="dark"] input:focus,
html[data-theme="dark"] select:focus,
html[data-theme="dark"] textarea:focus {
    border-color: var(--app-orange);
    box-shadow: 0 0 0 3px rgba(233,120,23,.17);
}

html[data-theme="dark"] .table-responsive {
    background: #181522;
    border-color: #373143;
}

html[data-theme="dark"] .table {
    color: #ddd8e5;
    background: #181522;
}

html[data-theme="dark"] .table th {
    color: #bbb4c6;
    background: #252035;
    border-bottom-color: #40394d;
}

html[data-theme="dark"] .table td {
    color: #dcd6e3;
    border-bottom-color: #2d2838;
}

html[data-theme="dark"] .table tbody tr:nth-child(even) { background: #1c1827; }
html[data-theme="dark"] .table tbody tr:hover { background: #292137; }
html[data-theme="dark"] .table a { color: #d2b4ff; }

html[data-theme="dark"] .btn-outline,
html[data-theme="dark"] .btn-outline-primary,
html[data-theme="dark"] .btn-outline-secondary {
    color: #ddd7e5;
    border-color: #4a4358;
    background: #211d30;
}

html[data-theme="dark"] .btn-outline:hover,
html[data-theme="dark"] .btn-outline-primary:hover,
html[data-theme="dark"] .btn-outline-secondary:hover {
    color: #fff;
    border-color: #655b76;
    background: #2b2639;
}

html[data-theme="dark"] .dropdown-menu,
html[data-theme="dark"] .user-dropdown-menu {
    color: #e7e1ec;
    background: #1b1727;
    border-color: #3b3548;
    box-shadow: 0 22px 55px rgba(0,0,0,.38);
}

html[data-theme="dark"] .dropdown-menu a,
html[data-theme="dark"] .user-dropdown-menu a {
    color: #c9c3d2;
}

html[data-theme="dark"] .dropdown-menu a:hover,
html[data-theme="dark"] .user-dropdown-menu a:hover {
    color: #fff;
    background: #2a2438;
}

html[data-theme="dark"] .dropdown-menu a i,
html[data-theme="dark"] .user-dropdown-menu a i {
    color: #9e96ab;
}

html[data-theme="dark"] .theme-selector-options {
    background: #100e19;
    border-color: #393345;
}

html[data-theme="dark"] .theme-selector-options button {
    color: #aaa3b6;
}

html[data-theme="dark"] .theme-selector-options button:hover {
    color: #fff;
    background: #292438;
}

html[data-theme="dark"] .theme-selector-options button.active,
html[data-theme="dark"] .theme-selector-options button[aria-pressed="true"] {
    color: #251307;
    background: var(--app-orange);
    box-shadow: 0 4px 12px rgba(233,120,23,.2);
}

html[data-theme="dark"] .empty-state,
html[data-theme="dark"] .registrations-empty,
html[data-theme="dark"] .empty-user-list,
html[data-theme="dark"] .empty-cert-list,
html[data-theme="dark"] .empty-state-success {
    color: #aaa3b6;
    background: linear-gradient(145deg, #1c1828, #15121f);
    border-color: #464051;
}

html[data-theme="dark"] .app-authenticated .inventory-cards-grid .inventory-card {
    color: #e7e1ec;
    background: #1d1929;
    border-color: #383143;
}

html[data-theme="dark"] .app-authenticated .inventory-cards-grid .inventory-card .number {
    color: #f4eff7;
}

html[data-theme="dark"] .app-authenticated .inventory-cards-grid .inventory-card .inventory-card-label {
    color: #bfb8c9;
}

html[data-theme="dark"] .inventory-card-low-stock {
    background: #2a171e !important;
    border-color: #713040 !important;
}

html[data-theme="dark"] .settings-sidebar a:hover,
html[data-theme="dark"] .settings-sidebar a.active,
html[data-theme="dark"] .settings-sidebar a[aria-current="page"] {
    color: #fff;
    background: #2a2538;
}

html[data-theme="dark"] .modal-content,
html[data-theme="dark"] .modal-content-large,
html[data-theme="dark"] .modal-content-medium,
html[data-theme="dark"] .modal-header,
html[data-theme="dark"] .modal-header-sticky {
    color: #e7e1ec;
    background: #191625;
    border-color: #393344;
}

html[data-theme="dark"] .modal-footer {
    background: #15121f;
    border-color: #393344;
}

html[data-theme="dark"] .pagination a,
html[data-theme="dark"] .pagination span {
    color: #d6d0df;
    background: #211d30;
    border-color: #40394d;
}

html[data-theme="dark"] .footer {
    color: #8f879c;
}

html[data-theme="dark"] .app-authenticated .footer .container {
    border-top-color: #302b3c;
}

html[data-theme="dark"] body[data-page="home"] .feature-card,
html[data-theme="dark"] body[data-page="home"] .contact-card {
    color: #e7e1ec;
    background: #191625;
    border-color: #363044;
}

@media print {
    html[data-theme="dark"],
    html[data-theme="dark"] body {
        color-scheme: light;
        color: #111827 !important;
        background: #fff !important;
    }

    html[data-theme="dark"] .card,
    html[data-theme="dark"] .table,
    html[data-theme="dark"] .table-responsive,
    html[data-theme="dark"] .table td {
        color: #111827 !important;
        background: #fff !important;
    }
}