/* Borrowing System - unified app UI layer */

:root {
    --app-shell-max: 1560px;
    --app-surface: #2c2f35;
    --app-surface-soft: #25282e;
    --app-surface-alt: #20242a;
    --app-border-soft: rgba(255, 255, 255, 0.1);
    --app-text-strong: #f5f0e8;
    --app-text-normal: #ddd4c7;
    --app-text-muted: #a49c90;
}

[data-theme="light"] {
    --app-surface: #ffffff;
    --app-surface-soft: #f7f8fa;
    --app-surface-alt: #eef2f6;
    --app-border-soft: rgba(15, 23, 42, 0.12);
    --app-text-strong: #0f172a;
    --app-text-normal: #1f2937;
    --app-text-muted: #64748b;
}

body {
    font-size: 15px;
    line-height: 1.45;
    background:
        radial-gradient(circle at top right, rgba(184, 115, 51, 0.16), transparent 38%),
        radial-gradient(circle at bottom left, rgba(90, 154, 90, 0.12), transparent 35%),
        var(--bg-primary);
}

body.menu-open {
    overflow: hidden;
}

.dashboard {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topnav-shell {
    position: sticky;
    top: 0;
    z-index: 1035;
    border-bottom: 1px solid var(--app-border-soft);
    background-color: rgba(28, 28, 30, 0.9);
    backdrop-filter: blur(14px);
}

[data-theme="light"] .topnav-shell {
    background-color: rgba(245, 245, 247, 0.94);
}

.topnav-inner {
    width: min(100%, var(--app-shell-max));
    margin: 0 auto;
    padding: 0.78rem 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.brand-block {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    text-decoration: none;
    min-width: 240px;
}

.brand-logo-wrap {
    width: 42px;
    height: 42px;
    border-radius: 11px;
    background-color: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.14);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.brand-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
}

.brand-text {
    display: inline-flex;
    flex-direction: column;
    line-height: 1.12;
}

.brand-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--app-text-strong);
}

.brand-subtitle {
    font-size: 0.75rem;
    color: var(--app-text-muted);
    letter-spacing: 0.01em;
}

.topnav-menu {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 0.38rem;
    overflow: visible;
    padding: 0.1rem;
}

.topnav-menu::-webkit-scrollbar {
    height: 5px;
}

.topnav-menu::-webkit-scrollbar-thumb {
    background: var(--accent-copper);
    border-radius: 8px;
}

.topnav-menu .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.48rem;
    text-decoration: none;
    color: var(--text-secondary);
    padding: 0.5rem 0.72rem;
    border-radius: 11px;
    border: 1px solid transparent;
    white-space: nowrap;
    font-size: 0.84rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.topnav-menu .nav-link:hover {
    color: var(--app-text-strong);
    border-color: var(--app-border-soft);
    background-color: rgba(255, 255, 255, 0.04);
}

.topnav-menu .nav-link:focus-visible,
.topnav-tools button:focus-visible,
.topnav-tools a:focus-visible,
.topnav-toggle:focus-visible {
    outline: 3px solid rgba(232, 184, 138, 0.72);
    outline-offset: 2px;
}

.topnav-menu .nav-link.active {
    background: var(--accent-gradient);
    color: #1c1c1e;
    border-color: transparent;
    box-shadow: 0 10px 24px -14px rgba(184, 115, 51, 0.75);
}

.nav-dropdown {
    position: relative;
    display: inline-flex;
    flex-direction: column;
}

.nav-dropdown-toggle::after {
    content: "";
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    margin-left: 0.25rem;
    transition: transform 0.2s ease;
}

.nav-dropdown.open .nav-dropdown-toggle::after {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 0.4rem);
    left: 0;
    min-width: 180px;
    background: var(--app-surface);
    border: 1px solid var(--app-border-soft);
    border-radius: 12px;
    padding: 0.35rem;
    display: none;
    box-shadow: 0 16px 30px -20px rgba(0, 0, 0, 0.65);
    z-index: 10;
}

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

.nav-dropdown-item {
    display: block;
    border-radius: 8px;
    text-decoration: none;
    color: var(--app-text-normal);
    padding: 0.45rem 0.55rem;
    font-size: 0.82rem;
    transition: background-color 0.18s ease;
}

.nav-dropdown-item:hover {
    background-color: rgba(255, 255, 255, 0.06);
    color: var(--app-text-strong);
}

.nav-dropdown-item.active {
    background: var(--accent-gradient);
    color: #1c1c1e;
}

.nav-icon {
    display: inline-flex;
    width: 18px;
    height: 18px;
    align-items: center;
    justify-content: center;
}

.nav-icon svg {
    width: 100%;
    height: 100%;
}

.nav-badge {
    margin-left: 0.18rem;
    background-color: rgba(0, 0, 0, 0.22);
    color: #fff;
    min-width: 20px;
    height: 20px;
    border-radius: 999px;
    padding: 0 0.34rem;
    font-size: 0.7rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.topnav-tools {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 0.58rem;
}

.topnav-icon-btn {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    border: 1px solid var(--app-border-soft);
    background-color: var(--app-surface-soft);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.topnav-icon-btn:hover {
    color: var(--app-text-strong);
    border-color: var(--accent-copper);
}

.topnav-icon-btn svg {
    width: 19px;
    height: 19px;
}

.theme-icon-toggle {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    border: 1px solid var(--app-border-soft);
    background-color: var(--app-surface-soft);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.theme-icon-toggle:hover {
    color: var(--app-text-strong);
    border-color: var(--accent-copper);
}

.theme-icon-toggle svg {
    width: 19px;
    height: 19px;
}

.theme-icon-toggle .icon-sun {
    display: none;
}

.theme-icon-toggle .icon-moon {
    display: inline-block;
}

[data-theme="light"] .theme-icon-toggle .icon-sun {
    display: inline-block;
}

[data-theme="light"] .theme-icon-toggle .icon-moon {
    display: none;
}

.user-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.56rem;
    padding: 0.3rem 0.48rem;
    border-radius: 11px;
    border: 1px solid var(--app-border-soft);
    background-color: var(--app-surface-soft);
}

.user-avatar {
    width: 33px;
    height: 33px;
    border-radius: 9px;
    background: var(--accent-gradient);
    color: #1c1c1e;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.78rem;
    font-weight: 700;
}

.user-info {
    display: inline-flex;
    flex-direction: column;
    line-height: 1.2;
}

.user-name {
    color: var(--app-text-strong);
    font-size: 0.77rem;
    font-weight: 600;
}

.user-role {
    color: var(--app-text-muted);
    font-size: 0.69rem;
}

.topnav-logout-btn.btn {
    background-color: rgba(127, 29, 29, 0.38);
    border: 1px solid rgba(252, 165, 165, 0.52);
    color: #ffe4e6;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 0.5rem 0.72rem;
}

.topnav-logout-btn.btn:hover {
    background-color: rgba(127, 29, 29, 0.58);
    color: #fff1f2;
}

.topnav-toggle {
    display: none;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    border: 1px solid var(--app-border-soft);
    background-color: var(--app-surface-soft);
    color: var(--text-secondary);
    align-items: center;
    justify-content: center;
}

.topnav-toggle svg {
    width: 20px;
    height: 20px;
}

.topnav-toggle.active {
    color: var(--app-text-strong);
    border-color: var(--accent-copper);
    background-color: rgba(184, 115, 51, 0.16);
}

.main-content {
    width: min(100%, var(--app-shell-max));
    margin: 0 auto;
    padding: 1.25rem 1.3rem 2.4rem;
}

.page-toolbar {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
}

.page-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--app-text-strong);
    line-height: 1.15;
}

.page-toolbar-meta .badge {
    border-radius: 999px;
    padding: 0.45rem 0.65rem;
    font-size: 0.72rem;
}

.main-content .row {
    --bs-gutter-x: 1.1rem;
    --bs-gutter-y: 1.1rem;
}

.main-content .card {
    background: linear-gradient(170deg, var(--app-surface), var(--app-surface-soft));
    border: 1px solid var(--app-border-soft);
    border-radius: 16px;
    box-shadow: 0 18px 34px -22px rgba(0, 0, 0, 0.55);
    overflow: hidden;
}

.main-content .card-header {
    margin-bottom: 0;
    background-color: var(--app-surface-alt);
    border-bottom: 1px solid var(--app-border-soft);
    color: var(--app-text-strong);
    font-size: 0.88rem;
    padding: 0.8rem 1rem;
}

.main-content .card-body {
    color: var(--app-text-normal);
}

.main-content .h4,
.main-content .h5,
.main-content h1,
.main-content h2,
.main-content h3,
.main-content h4 {
    color: var(--app-text-strong);
}

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

.main-content .badge {
    font-weight: 600;
}

.main-content .badge.bg-secondary {
    background-color: rgba(148, 163, 184, 0.2) !important;
    color: var(--app-text-normal);
    border: 1px solid var(--app-border-soft);
}

.main-content .badge.bg-success {
    background-color: rgba(107, 142, 107, 0.22) !important;
    color: #bde3bd;
}

.main-content .badge.bg-warning {
    background-color: rgba(201, 168, 120, 0.24) !important;
    color: #ffdfac;
}

.main-content .badge.bg-danger {
    background-color: rgba(194, 120, 120, 0.22) !important;
    color: #ffcdcd;
}

.main-content .table {
    margin-bottom: 0;
    color: var(--app-text-normal);
    border-color: var(--app-border-soft);
}

.main-content .table th,
.main-content .table td {
    border-color: var(--app-border-soft) !important;
    vertical-align: middle;
    background-color: transparent !important;
    color: var(--app-text-normal) !important;
}

.main-content .table th {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--app-text-muted) !important;
    background-color: var(--app-surface-alt) !important;
}

.main-content .table td small,
.main-content .table td .small,
.main-content .table td .text-muted {
    color: var(--app-text-muted) !important;
}

.main-content .table tbody tr {
    transition: background-color 0.2s ease;
}

.main-content .table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

[data-theme="light"] .main-content .table tbody tr:hover {
    background-color: rgba(15, 23, 42, 0.04);
}

.main-content .table td.text-end,
.main-content .table th.text-end {
    text-align: right !important;
}

.main-content .table-responsive {
    overflow-x: auto;
}

.dashboard-filters {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: nowrap;
}

@media (min-width: 1200px) {
    .dashboard-toolbar {
        flex-wrap: nowrap !important;
    }
}

.toolbar-filter-inline {
    flex-wrap: nowrap;
}

.toolbar-filter-form .toolbar-control,
.toolbar-filter-form .toolbar-control-btn {
    min-height: 40px;
    height: 40px;
    font-size: 0.88rem;
}

.toolbar-filter-form .toolbar-control {
    min-width: 168px;
    line-height: 1.2;
    padding-top: 0.35rem !important;
    padding-bottom: 0.35rem !important;
}

.toolbar-filter-form select.toolbar-control {
    line-height: 1.35;
    padding-top: 0.42rem !important;
    padding-bottom: 0.42rem !important;
}

.toolbar-filter-form .toolbar-control-date {
    min-width: 172px;
}

.toolbar-filter-form .toolbar-control-pages {
    min-width: 148px;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--app-text-strong) !important;
    background-color: var(--app-surface) !important;
    border-color: var(--app-border-soft) !important;
    -webkit-text-fill-color: currentColor;
    padding-left: 0.7rem !important;
    padding-right: 2.25rem !important;
    background-position: right 0.7rem center !important;
}

.toolbar-filter-form .toolbar-control-pages option {
    color: #0f172a !important;
    background-color: #ffffff !important;
    font-weight: 600;
}

[data-theme="light"] .toolbar-filter-form .toolbar-control-pages {
    color: #0f172a !important;
    background-color: #ffffff !important;
    border-color: #cbd5e1 !important;
}

.toolbar-filter-form .toolbar-control-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 88px;
    padding: 0 0.9rem;
    white-space: nowrap;
}

[data-theme="light"] .main-content .badge.bg-primary {
    background-color: #dbeafe !important;
    border: 1px solid #93c5fd;
    color: #1e3a8a !important;
}

[data-theme="light"] .main-content .badge.text-bg-primary {
    background-color: #dbeafe !important;
    border: 1px solid #93c5fd;
    color: #1e3a8a !important;
}

[data-theme="light"] .main-content .badge.bg-secondary {
    background-color: #e2e8f0 !important;
    border: 1px solid #cbd5e1;
    color: #334155 !important;
}

[data-theme="light"] .main-content .badge.bg-success {
    background-color: #dcfce7 !important;
    border: 1px solid #86efac;
    color: #166534 !important;
}

[data-theme="light"] .main-content .badge.bg-warning {
    background-color: #fef3c7 !important;
    border: 1px solid #fcd34d;
    color: #92400e !important;
}

[data-theme="light"] .main-content .badge.bg-danger {
    background-color: #fee2e2 !important;
    border: 1px solid #fca5a5;
    color: #991b1b !important;
}

.form-control,
.form-select,
.form-input,
.main-content select,
.login-page select {
    background-color: var(--app-surface-alt) !important;
    color: var(--app-text-strong) !important;
    border: 1px solid var(--app-border-soft) !important;
    border-radius: 11px;
}

.form-control::placeholder,
.form-input::placeholder {
    color: var(--app-text-muted);
}

.form-control:focus,
.form-select:focus,
.form-input:focus {
    border-color: var(--accent-copper) !important;
    box-shadow: 0 0 0 0.18rem rgba(184, 115, 51, 0.24) !important;
    background-color: var(--app-surface-alt) !important;
}

select option,
.form-select option,
.main-content select option,
.login-page select option {
    color: #0f172a !important;
    background-color: #ffffff !important;
}

.btn {
    border-radius: 10px;
    font-weight: 600;
}

.btn-primary,
.btn-success {
    border: none !important;
    color: #1c1c1e !important;
    background: var(--accent-gradient) !important;
}

.btn-primary:hover,
.btn-success:hover {
    background: var(--accent-gradient-hover) !important;
}

.btn-outline-secondary {
    border-color: var(--app-border-soft) !important;
    color: var(--app-text-normal) !important;
}

.btn-outline-secondary:hover {
    background-color: rgba(255, 255, 255, 0.08) !important;
    color: var(--app-text-strong) !important;
}

.btn-outline-primary {
    border-color: var(--accent-copper) !important;
    color: #f7d4b0 !important;
    background-color: rgba(184, 115, 51, 0.18) !important;
}

.btn-outline-primary:hover {
    background-color: rgba(184, 115, 51, 0.32) !important;
    color: #ffe7ce !important;
}

.btn-outline-success {
    border-color: rgba(107, 142, 107, 0.65) !important;
    color: #9fca9f !important;
}

.btn-outline-danger {
    border-color: rgba(194, 120, 120, 0.72) !important;
    color: #ffc8c8 !important;
}

.btn-login {
    width: 100%;
}

.login-page .text-muted,
.login-page .small.text-muted,
.login-page .login-card li {
    color: var(--app-text-muted) !important;
}

.login-page .login-card .text-center.text-muted {
    color: var(--app-text-muted) !important;
}

[data-theme="light"] body {
    background:
        radial-gradient(circle at top right, rgba(184, 115, 51, 0.1), transparent 38%),
        radial-gradient(circle at bottom left, rgba(90, 154, 90, 0.08), transparent 35%),
        #eef2f6;
}

[data-theme="light"] .login-page {
    background:
        radial-gradient(circle at top left, rgba(184, 115, 51, 0.12), transparent 34%),
        linear-gradient(180deg, #f8fafc 0%, #eef2f6 100%);
}

[data-theme="light"] .login-brand {
    background: rgba(255, 255, 255, 0.82);
    border-color: rgba(15, 23, 42, 0.12);
    box-shadow: 0 18px 38px -28px rgba(15, 23, 42, 0.35);
}

[data-theme="light"] .login-card {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(15, 23, 42, 0.12);
    box-shadow: 0 24px 48px -32px rgba(15, 23, 42, 0.28);
}

[data-theme="light"] .login-page .login-card .form-input {
    background: #ffffff !important;
    border-color: #cbd5e1 !important;
    color: #0f172a !important;
}

[data-theme="light"] .login-page .login-card .form-input::placeholder {
    color: #64748b !important;
}

[data-theme="light"] .login-page .login-card .form-input:focus {
    background: #ffffff !important;
    border-color: #b87333 !important;
    box-shadow: 0 0 0 0.2rem rgba(184, 115, 51, 0.18) !important;
}

[data-theme="light"] .login-page .theme-toggle-btn {
    background: rgba(255, 255, 255, 0.88);
    border-color: #cbd5e1;
    color: #334155;
}

[data-theme="light"] .login-page .text-muted,
[data-theme="light"] .login-page .small.text-muted,
[data-theme="light"] .login-page .login-card li {
    color: #475569 !important;
}

.stat-card {
    border: 1px solid var(--app-border-soft);
    border-radius: 16px;
    padding: 1rem;
    box-shadow: 0 16px 28px -22px rgba(0, 0, 0, 0.55);
}

.stat-card .stat-icon {
    background: rgba(255, 255, 255, 0.2);
}

.stat-card .stat-icon svg {
    stroke: #fff;
}

.stat-card .stat-label {
    color: rgba(255, 255, 255, 0.82);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.stat-card .stat-value {
    color: #ffffff;
    font-size: 2rem;
}

.stat-card .stat-change {
    color: rgba(255, 255, 255, 0.74);
}

.stat-borrowed {
    background: linear-gradient(135deg, #2b5ec8, #1f469a);
}

.stat-returned {
    background: linear-gradient(135deg, #2f8f63, #246e4d);
}

.stat-current {
    background: linear-gradient(135deg, #b87333, #965a24);
}

.stat-overdue {
    background: linear-gradient(135deg, #b94b4b, #8c3232);
}

.student-card {
    text-align: center;
    background: var(--app-surface-alt);
    color: var(--app-text-normal);
    border-color: var(--app-border-soft) !important;
}

.student-photo {
    width: 190px;
    height: 190px;
    object-fit: cover;
    border-radius: 16px;
}

.alert {
    border-radius: 12px;
    border-width: 1px;
}

.alert-success {
    background: rgba(34, 197, 94, 0.16);
    border-color: rgba(34, 197, 94, 0.4);
    color: #d1fae5;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.16);
    border-color: rgba(239, 68, 68, 0.4);
    color: #fee2e2;
}

.alert-info {
    background: rgba(14, 165, 233, 0.16);
    border-color: rgba(14, 165, 233, 0.4);
    color: #dbeafe;
}

.alert .btn-close {
    filter: invert(1);
}

[data-theme="light"] .topnav-logout-btn.btn {
    background-color: #fee2e2;
    border-color: #fca5a5;
    color: #991b1b;
}

[data-theme="light"] .topnav-logout-btn.btn:hover {
    background-color: #fecaca;
    border-color: #f87171;
    color: #7f1d1d;
}

[data-theme="light"] .alert-success {
    background: #dcfce7;
    border-color: #86efac;
    color: #14532d;
}

[data-theme="light"] .alert-danger {
    background: #fee2e2;
    border-color: #fca5a5;
    color: #7f1d1d;
}

[data-theme="light"] .alert .btn-close {
    filter: none;
}

.modal-content {
    background: var(--app-surface);
    border: 1px solid var(--app-border-soft);
    color: var(--app-text-normal);
}

.modal-header,
.modal-footer {
    border-color: var(--app-border-soft);
}

[data-theme="light"] .modal-content {
    background: #ffffff;
}

[data-theme="light"] .main-content .btn-outline-primary {
    color: #8a4a1d !important;
    background-color: #fff7ed !important;
    border-color: #c77836 !important;
}

[data-theme="light"] .main-content .btn-outline-primary:hover {
    color: #6d3812 !important;
    background-color: #ffedd5 !important;
    border-color: #b96528 !important;
}

.scanner-input.scan-success {
    border-color: #22c55e !important;
    box-shadow: 0 0 0 0.25rem rgba(34, 197, 94, 0.22);
}

.scanner-input.scan-error {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 0.25rem rgba(239, 68, 68, 0.22);
}

.scanner-camera-btn {
    margin-top: 0.55rem;
    width: 100%;
    min-height: 42px;
    font-size: 0.88rem;
}

.qr-scan-video-shell {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--app-border-soft);
    background: #000;
    aspect-ratio: 16 / 9;
}

.qr-scan-video {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
}

#qrScanStatus {
    min-height: 1.2rem;
}

kbd {
    background: rgba(17, 24, 39, 0.9);
    color: #fff;
    border-radius: 6px;
    padding: 0.1rem 0.35rem;
}

.shortcut-list {
    padding-left: 1rem;
}

.shortcut-list li {
    margin-bottom: 0.45rem;
}

.shortcut-list li:last-child {
    margin-bottom: 0;
}

.inventory-qr-preview {
    width: min(100%, 230px);
    border-radius: 12px;
    border: 1px solid var(--app-border-soft);
    background-color: #fff;
    padding: 0.4rem;
}

.inventory-editor-control {
    min-height: 42px;
    font-size: 0.92rem;
}

.inventory-editor-form input.inventory-editor-control {
    height: 42px;
    line-height: 1.25;
    padding-top: 0.45rem !important;
    padding-bottom: 0.45rem !important;
}

.inventory-editor-form select.inventory-editor-control {
    height: 42px;
    line-height: 1.35;
    padding-top: 0.42rem !important;
    padding-bottom: 0.42rem !important;
    text-overflow: ellipsis;
}

.inventory-editor-form select.inventory-editor-control option {
    font-size: 0.92rem;
    line-height: 1.35;
}

.overdue-age-badge {
    border-radius: 999px;
    border: 1px solid rgba(250, 204, 21, 0.45);
    background: rgba(234, 179, 8, 0.16);
    color: #fde68a;
    padding: 0.16rem 0.52rem;
    font-size: 0.74rem;
    font-weight: 600;
}

[data-theme="light"] .overdue-age-badge {
    border-color: #f59e0b;
    background: #fef3c7;
    color: #92400e;
}

.site-footer {
    color: var(--app-text-muted);
    border-top: 1px solid var(--app-border-soft);
    margin-top: auto;
}

.login-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 28px 16px;
    position: relative;
}

.login-container {
    width: 100%;
    display: grid;
    place-items: center;
    gap: 1.2rem;
}

.login-brand {
    width: min(980px, 100%);
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.2rem;
    border: 1px solid var(--app-border-soft);
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(44, 47, 53, 0.94), rgba(32, 35, 41, 0.84));
    box-shadow: 0 18px 38px -28px rgba(0, 0, 0, 0.8);
    color: var(--app-text-strong);
}

.login-brand-mark {
    width: 58px;
    height: 58px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    border-radius: 14px;
    background: #fff;
    border: 1px solid rgba(255, 255, 255, 0.7);
    box-shadow: 0 8px 18px -12px rgba(0, 0, 0, 0.8);
}

.login-brand-logo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
    border-radius: 14px;
}

.login-brand-copy {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 0.22rem;
}

.login-brand-kicker {
    color: var(--app-text-muted);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.11em;
    line-height: 1.2;
    text-transform: uppercase;
}

.login-brand-name {
    color: var(--app-text-strong);
    font-size: clamp(1.2rem, 2.2vw, 1.65rem);
    font-weight: 750;
    letter-spacing: 0.01em;
    line-height: 1.15;
}

.login-grid {
    width: min(980px, 100%);
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.login-card {
    width: 100%;
    background: var(--app-surface);
    border: 1px solid var(--app-border-soft);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 30px 55px -35px rgba(2, 6, 23, 0.55);
    color: var(--app-text-normal);
}

.login-header {
    text-align: center;
    margin-bottom: 20px;
}

.login-logo {
    width: 86px;
    height: auto;
    margin-bottom: 10px;
}

.login-title {
    font-size: 30px;
    line-height: 1.1;
    margin: 0 0 6px;
    color: var(--app-text-strong);
}

.login-subtitle {
    color: var(--app-text-muted);
    margin: 0;
}

.login-card .divider {
    margin: 20px 0 12px;
    text-align: center;
    color: var(--app-text-muted);
}

.login-page .theme-toggle-btn .icon-sun,
.theme-icon-toggle .icon-sun {
    display: inline-block;
}

.login-page .theme-toggle-btn .icon-moon,
.theme-icon-toggle .icon-moon {
    display: none;
}

.teacher-directory-panel {
    border-top: 1px solid var(--app-border-soft);
    padding-top: 0.85rem;
}

.teacher-directory-table-wrap {
    max-height: 220px;
    border: 1px solid var(--app-border-soft);
    border-radius: 10px;
}

.teacher-directory-table-wrap .table {
    font-size: 0.78rem;
}

.teacher-directory-table-wrap th {
    position: sticky;
    top: 0;
    z-index: 1;
    background: var(--app-surface-alt) !important;
    color: var(--app-text-muted) !important;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.teacher-directory-row {
    cursor: pointer;
    transition: background-color 0.15s ease, outline-color 0.15s ease;
}

.teacher-directory-row:hover,
.teacher-directory-row:focus-visible {
    background-color: rgba(184, 115, 51, 0.14) !important;
    outline: 2px solid rgba(184, 115, 51, 0.5);
    outline-offset: -2px;
}

[data-theme="light"] .login-page .theme-toggle-btn .icon-sun,
[data-theme="light"] .theme-icon-toggle .icon-sun {
    display: none;
}

[data-theme="light"] .login-page .theme-toggle-btn .icon-moon,
[data-theme="light"] .theme-icon-toggle .icon-moon {
    display: inline-block;
}

.login-page .alert {
    margin-bottom: 14px;
    width: 100%;
    max-width: min(980px, 100%);
}

.login-page .theme-toggle-btn {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 1000;
}

.reserve-kiosk-shell {
    width: min(1220px, 100%);
    align-self: start;
    justify-self: center;
    margin-top: 18px;
}

.reserve-kiosk-header {
    margin-bottom: 14px;
}

.reserve-kiosk-shell .card {
    background: linear-gradient(170deg, var(--app-surface), var(--app-surface-soft));
    border: 1px solid var(--app-border-soft);
    color: var(--app-text-normal);
}

.reserve-kiosk-shell .card-header {
    background-color: var(--app-surface-alt);
    border-bottom: 1px solid var(--app-border-soft);
    color: var(--app-text-strong);
}

.reserve-kiosk-shell .card-body,
.reserve-kiosk-shell .form-label,
.reserve-kiosk-shell .small,
.reserve-kiosk-shell p,
.reserve-kiosk-shell li {
    color: var(--app-text-normal);
}

.reserve-kiosk-shell .text-muted {
    color: var(--app-text-muted) !important;
}

.reserve-kiosk-shell .table {
    color: var(--app-text-normal);
    border-color: var(--app-border-soft);
}

.reserve-kiosk-shell .table th,
.reserve-kiosk-shell .table td {
    border-color: var(--app-border-soft) !important;
    background-color: transparent !important;
    color: var(--app-text-normal) !important;
}

.reserve-kiosk-shell .table th {
    color: var(--app-text-muted) !important;
    background-color: var(--app-surface-alt) !important;
}

.reserve-kiosk-shell .table td .small,
.reserve-kiosk-shell .table td .text-muted {
    color: var(--app-text-muted) !important;
}

.reserve-kiosk-shell .student-card,
.reserve-kiosk-shell .border.rounded {
    border-color: var(--app-border-soft) !important;
}

.reserve-kiosk-shell .badge.bg-secondary {
    background-color: rgba(148, 163, 184, 0.2) !important;
    color: var(--app-text-normal);
    border: 1px solid var(--app-border-soft);
}

.reserve-kiosk-shell .badge.bg-light.text-dark {
    background-color: var(--app-surface-alt) !important;
    color: var(--app-text-normal) !important;
    border: 1px solid var(--app-border-soft);
}

[data-theme="light"] .reserve-kiosk-shell .card {
    background: #ffffff;
}

@media (max-width: 1099px) {
    .topnav-toggle {
        display: inline-flex;
    }

    .topnav-inner {
        flex-wrap: wrap;
        gap: 0.7rem;
    }

    .brand-block {
        min-width: 0;
        flex: 1;
    }

    .topnav-menu {
        display: none;
        order: 5;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0.2rem;
        padding: 0.55rem;
        border: 1px solid var(--app-border-soft);
        border-radius: 12px;
        background-color: var(--app-surface);
    }

    .topnav-menu.open {
        display: flex;
    }

    .topnav-menu .nav-link {
        justify-content: space-between;
        width: 100%;
    }

    .nav-dropdown {
        width: 100%;
    }

    .nav-dropdown-menu {
        position: static;
        display: none;
        margin-top: 0.3rem;
        width: 100%;
        box-shadow: none;
    }

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

    .topnav-tools {
        order: 4;
        width: 100%;
        justify-content: space-between;
        margin-left: 0;
        padding-top: 0.15rem;
    }

    .dashboard-filters {
        flex-wrap: wrap;
    }

    .toolbar-filter-inline {
        flex-wrap: wrap;
    }

}

@media (max-width: 768px) {
    .login-grid {
        grid-template-columns: 1fr;
    }

    .reserve-kiosk-shell {
        width: 100%;
        margin-top: 8px;
    }

    .user-chip {
        display: none;
    }

    .topnav-tools {
        gap: 0.38rem;
    }

    .topnav-tools .topnav-icon-btn,
    .topnav-tools .theme-icon-toggle {
        width: 42px;
        height: 42px;
    }

    .topnav-tools .topnav-logout-btn {
        min-height: 42px;
    }

    .main-content .card {
        border-radius: 14px;
    }

    .main-content .card-header {
        font-size: 0.82rem;
        padding: 0.72rem 0.82rem;
    }

    .main-content .card-body {
        padding: 0.82rem;
    }

    .main-content .table {
        font-size: 0.85rem;
    }

    .main-content .table th {
        font-size: 0.64rem;
        letter-spacing: 0.04em;
        padding: 0.42rem 0.5rem;
    }

    .main-content .table td {
        padding: 0.45rem 0.5rem;
    }

    .main-content .table td small,
    .main-content .table td .small {
        font-size: 0.72rem;
    }

    .main-content .table-responsive {
        -webkit-overflow-scrolling: touch;
    }

    .dashboard-toolbar {
        align-items: stretch !important;
    }

    .dashboard-filters {
        width: 100%;
        gap: 0.55rem;
    }

    .toolbar-filter-form.toolbar-filter-inline {
        width: 100%;
    }

    .toolbar-filter-form.toolbar-filter-inline .toolbar-control,
    .toolbar-filter-form.toolbar-filter-inline .toolbar-control-btn {
        min-height: 44px;
    }

    .form-control,
    .form-select,
    .form-input,
    .btn,
    .scanner-input,
    .scanner-camera-btn {
        font-size: 16px !important;
    }

    .action-bar {
        width: 100%;
        justify-content: stretch !important;
        gap: 0.55rem !important;
    }

    .action-bar form {
        width: 100%;
    }

    .action-bar .btn {
        width: 100%;
        min-height: 44px;
    }

    .action-bar .w-100.text-end {
        text-align: left !important;
        margin-top: 0;
    }

    .main-content .card-body.border-top.d-flex.justify-content-between {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 0.6rem;
    }

    .main-content .card-body.border-top.d-flex.justify-content-between .btn-group {
        width: 100%;
    }

    .main-content .card-body.border-top.d-flex.justify-content-between .btn-group .btn {
        flex: 1 1 0;
    }
}

@media (max-width: 768px) {
    .topnav-inner {
        padding: 0.72rem 0.9rem;
    }

    .brand-title {
        font-size: 0.9rem;
    }

    .brand-subtitle {
        font-size: 0.7rem;
    }

    .user-info {
        display: none;
    }

    .topnav-logout-btn.btn {
        padding: 0.48rem 0.6rem;
    }

    .main-content {
        padding: 1rem 0.9rem 2rem;
    }

    .toolbar-filter-form {
        width: 100%;
    }

    .toolbar-filter-form .toolbar-control,
    .toolbar-filter-form .toolbar-control-btn {
        width: 100%;
        min-width: 0;
    }

    .page-toolbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .student-photo {
        width: 160px;
        height: 160px;
    }

    .login-card {
        padding: 24px 18px;
    }

    .login-brand {
        padding: 0.85rem 0.9rem;
    }

    .login-brand-mark {
        width: 48px;
        height: 48px;
        border-radius: 12px;
    }

    .login-brand-logo {
        border-radius: 12px;
    }

    .login-brand-kicker {
        font-size: 0.6rem;
        letter-spacing: 0.08em;
    }

    .login-brand-name {
        font-size: 1.05rem;
    }

    .login-title {
        font-size: 25px;
    }

    #qrScanModal .modal-dialog {
        margin: 0.55rem;
    }

    #qrScanModal .modal-footer {
        flex-wrap: wrap;
        gap: 0.55rem;
    }

    #qrScanModal .modal-footer .btn {
        flex: 1 1 auto;
    }
}

@media (max-width: 576px) {
    .brand-subtitle {
        display: none;
    }

    .main-content {
        padding: 0.82rem 0.72rem 1.65rem;
    }

    .page-title {
        font-size: 1.18rem;
    }

    .main-content .table-responsive {
        margin: 0 -0.2rem;
        padding: 0 0.2rem;
    }

    .main-content .table {
        min-width: 620px;
    }

    .toolbar-filter-form {
        width: 100%;
    }

    .toolbar-filter-form .toolbar-control,
    .toolbar-filter-form .toolbar-control-btn {
        width: 100%;
        min-width: 0;
    }
}