:root {
    --primary: #7a1f1f;
    --primary-light: #922b2b;
    --primary-dark: #641818;
    --soft-red: #f8eeee;
    --white: #ffffff;
    --background: #fafafa;
    --border: #eaeaea;
    --text-primary: #2f2f2f;
    --text-secondary: #777777;
    --sidebar-width: 250px;
    --radius-input: 8px;
    --radius-card: 14px;
    --shadow-card: 0 3px 12px rgba(0, 0, 0, 0.04);
}

* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    background: var(--background);
    color: var(--text-primary);
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
}

a:hover {
    color: var(--primary-dark);
}

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

.app-sidebar {
    width: var(--sidebar-width) !important;
    --bs-offcanvas-bg: var(--primary);
    --bs-offcanvas-color: var(--white);
    background-color: var(--primary) !important;
    color: var(--white) !important;
    border: 0 !important;
}

.app-sidebar .offcanvas-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.sidebar-brand {
    display: block;
    padding: 24px 22px 20px;
    color: var(--white);
    line-height: 1.15;
    text-decoration: none;
}

.sidebar-brand:hover {
    color: var(--white);
}

.sidebar-brand-small {
    display: block;
    margin-bottom: 3px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.sidebar-brand-main {
    font-size: 1.3rem;
    font-weight: 750;
}

.sidebar-menu {
    padding: 8px 10px 20px;
}

.sidebar-menu .nav-link,
.sidebar-menu .logout-button {
    width: 100%;
    margin: 3px 0;
    padding: 10px 14px;
    border: 0;
    border-radius: 8px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.93rem;
    font-weight: 500;
    text-align: left;
    text-decoration: none;
    transition: background-color 0.18s ease, color 0.18s ease;
}

.sidebar-menu .nav-link:hover,
.sidebar-menu .logout-button:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.sidebar-menu .nav-link.active {
    background: var(--white);
    color: var(--primary);
    font-weight: 650;
}

.sidebar-menu .logout-button {
    background: transparent;
}

.app-main {
    min-width: 0;
    min-height: 100vh;
}

.app-topbar {
    min-height: 72px;
    padding: 12px 28px;
    background: var(--primary);
    border-bottom: 1px solid var(--primary-dark);
    box-shadow: 0 2px 10px rgba(70, 20, 20, 0.12);
}

.topbar-title {
    margin: 0;
    color: var(--white);
    font-size: 1.05rem;
    font-weight: 650;
}

.user-name {
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 650;
}

.user-role {
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.76rem;
    text-transform: capitalize;
}

.app-topbar .btn-outline-primary {
    border-color: rgba(255, 255, 255, 0.72);
    color: var(--white);
}

.app-topbar .btn-outline-primary:hover,
.app-topbar .btn-outline-primary:focus {
    background: var(--white);
    border-color: var(--white);
    color: var(--primary);
}

.app-content {
    padding: 28px;
}

.app-content > h1:first-child,
.app-content > .d-flex:first-child h1,
.app-content > .d-flex:first-child h2 {
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.025em;
}

.text-muted,
.text-secondary {
    color: var(--text-secondary) !important;
}

.card {
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
}

.card-header {
    padding: 16px 20px;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    border-radius: var(--radius-card) var(--radius-card) 0 0 !important;
    color: var(--text-primary);
    font-weight: 650;
}

.card-body {
    padding: 20px;
}

.dashboard-stat,
.app-content .card.text-bg-primary,
.app-content .card.text-bg-success,
.app-content .card.text-bg-warning,
.app-content .card.text-bg-danger,
.app-content .card.text-bg-secondary,
.app-content .card.bg-primary,
.app-content .card.bg-success,
.app-content .card.bg-warning,
.app-content .card.bg-danger {
    background: var(--white) !important;
    color: var(--text-primary) !important;
    border-left: 4px solid var(--primary);
}

.app-content .card .display-5,
.app-content .card .display-6,
.app-content .card .fs-2,
.app-content .card .h2 {
    color: var(--text-primary);
    font-weight: 700;
}

.form-label {
    margin-bottom: 7px;
    color: #555;
    font-size: 0.86rem;
    font-weight: 600;
}

.form-control,
.form-select {
    min-height: 42px;
    border: 1px solid #ddd;
    border-radius: var(--radius-input);
    color: var(--text-primary);
}

textarea.form-control {
    min-height: auto;
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(122, 31, 31, 0.1);
}

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

.btn {
    border-radius: var(--radius-input);
    font-weight: 600;
}

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

.btn-primary:hover,
.btn-primary:focus,
.btn-success:hover,
.btn-success:focus {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

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

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}

.btn-secondary,
.btn-light {
    background: var(--white);
    border-color: #ddd;
    color: #555;
}

.btn-secondary:hover,
.btn-light:hover {
    background: #f7f7f7;
    border-color: #ccc;
    color: var(--text-primary);
}

.table-responsive {
    border-radius: 12px;
}

.table {
    margin-bottom: 0;
    --bs-table-bg: transparent;
    --bs-table-hover-bg: #fcf8f8;
}

.table > :not(caption) > * > * {
    padding: 13px 14px;
    border-bottom-color: var(--border);
    vertical-align: middle;
}

.table thead th {
    background: var(--soft-red);
    color: var(--primary);
    font-size: 0.82rem;
    font-weight: 700;
    white-space: nowrap;
}

.table tbody tr:last-child td {
    border-bottom: 0;
}

.badge {
    padding: 6px 10px;
    border-radius: 999px;
    font-weight: 600;
}

.badge.bg-primary,
.badge.text-bg-primary {
    background: var(--soft-red) !important;
    color: var(--primary) !important;
}

.badge.bg-success,
.badge.text-bg-success {
    background: #e8f5ed !important;
    color: #267344 !important;
}

.badge.bg-warning,
.badge.text-bg-warning {
    background: #fff3d6 !important;
    color: #8a6214 !important;
}

.badge.bg-danger,
.badge.text-bg-danger {
    background: #fbe8e8 !important;
    color: #a23030 !important;
}

.badge.bg-secondary,
.badge.text-bg-secondary {
    background: #eeeeee !important;
    color: #666 !important;
}

.pagination {
    --bs-pagination-color: var(--primary);
    --bs-pagination-hover-color: var(--primary-dark);
    --bs-pagination-focus-box-shadow: 0 0 0 0.2rem rgba(122, 31, 31, 0.1);
    --bs-pagination-active-bg: var(--primary);
    --bs-pagination-active-border-color: var(--primary);
}

.page-link {
    border-color: var(--border);
}

.alert {
    border: 0;
    border-radius: 10px;
}

.accordion-item {
    overflow: hidden;
    margin-bottom: 12px;
    border: 1px solid var(--border) !important;
    border-radius: 10px !important;
    box-shadow: var(--shadow-card);
}

.accordion-button {
    color: var(--text-primary);
    font-weight: 650;
}

.accordion-button:not(.collapsed) {
    background: var(--soft-red);
    color: var(--primary);
    box-shadow: none;
}

.accordion-button:focus {
    border-color: transparent;
    box-shadow: 0 0 0 0.2rem rgba(122, 31, 31, 0.1);
}

canvas {
    max-width: 100%;
}

.login-page {
    min-height: 100vh;
    background: linear-gradient(145deg, var(--white), var(--soft-red));
}

.login-card {
    width: min(430px, calc(100% - 32px));
    border: 1px solid rgba(122, 31, 31, 0.08);
    border-radius: 16px;
    box-shadow: 0 12px 36px rgba(70, 25, 25, 0.08);
}

.login-mark {
    display: grid;
    width: 52px;
    height: 52px;
    margin: 0 auto 18px;
    border-radius: 14px;
    background: var(--soft-red);
    color: var(--primary);
    font-size: 1.05rem;
    font-weight: 800;
    place-items: center;
}

@media (min-width: 768px) {
    .app-sidebar {
        position: sticky;
        top: 0;
        height: 100vh;
        visibility: visible !important;
        transform: none !important;
    }

    .app-main {
        width: calc(100% - var(--sidebar-width));
    }
}

@media (max-width: 767.98px) {
    .app-topbar {
        min-height: 64px;
        padding: 10px 16px;
    }

    .app-content {
        padding: 20px 16px;
    }

    .app-sidebar {
        max-width: 84vw;
    }

    .navbar-brand {
        max-width: 180px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}