:root {
    --dm-bg: #e9ddcc;
    --dm-bg-soft: #f7f0e0;
    --dm-hero-bg: #04132b;
    --dm-hero-border: #f7b733;
    --dm-primary: #003f7d;
    --dm-primary-dark: #002f5d;
    --dm-accent: #f7b733;
    --dm-text-main: #222222;
    --dm-text-muted: #777777;
    --dm-radius-card: 14px;
    --dm-radius-pill: 999px;
    --dm-radius-lg: 22px;
    --dm-shadow-soft: 0 6px 18px rgba(0, 0, 0, 0.08);
    --dm-shadow-strong: 0 8px 24px rgba(0, 0, 0, 0.35);
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: var(--dm-bg);
    color: var(--dm-text-main);
}

a {
    color: var(--dm-primary);
    text-decoration: none;
}

    a:hover {
        text-decoration: underline;
    }

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

.sidebar {
    width: 250px;
    background: radial-gradient(circle at top, #0b2758 0, #04132b 45%, #260044 100%);
    color: #ffffff;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.25);
    position: relative;
    z-index: 10;
}

main {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--dm-bg);
}

.top-row {
    background: linear-gradient(90deg, #071a3a 0%, #05204e 50%, #071a3a 100%);
    color: #ffffff;
    height: 52px;
    align-items: center;
    border-bottom: 2px solid rgba(0, 0, 0, 0.35);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    position: sticky;
    top: 0;
    z-index: 40;
}

    .top-row .small {
        color: #f3ecdf;
        font-weight: 500;
        letter-spacing: 0.04em;
        text-transform: uppercase;
        font-size: 0.72rem;
    }

.content {
    padding-top: 1.5rem;
    padding-bottom: 2rem;
}

.navbar.navbar-dark {
    background: linear-gradient(90deg, #071a3a 0%, #05204e 60%, #071a3a 100%);
    color: #ffffff;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-brand {
    color: #ffffff !important;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

    .navbar-brand .bi {
        font-size: 1.1rem;
    }

.nav-scrollable {
    height: calc(100vh - 56px);
    overflow-y: auto;
}

.nav {
    padding-top: 0.75rem;
    padding-bottom: 1.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #e1e6f5;
    border-radius: var(--dm-radius-pill);
    padding: 0.35rem 0.85rem;
    font-size: 0.95rem;
    transition: background-color 0.15s ease, color 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
}

    .nav-link span[class^="bi"] {
        font-size: 1.1rem;
    }

    .nav-link:hover {
        background-color: rgba(255, 255, 255, 0.12);
        color: #ffffff;
        text-decoration: none;
        transform: translateX(1px);
        box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.12);
    }

    .nav-link.active {
        background-color: var(--dm-accent);
        color: var(--dm-hero-bg);
        font-weight: 600;
        box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15);
    }

.navbar-toggler {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
}

.container {
    max-width: 1100px;
}

section.bg-dark {
    background-color: var(--dm-hero-bg) !important;
    border-bottom: 3px solid var(--dm-hero-border);
}

    section.bg-dark h1,
    section.bg-dark h3 {
        font-weight: 600;
    }

.page-header-hero {
    background-color: var(--dm-hero-bg);
    border-bottom: 3px solid var(--dm-hero-border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    padding-top: 1rem;
    padding-bottom: 1.1rem;
    color: #ffffff;
}

.page-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.page-header-icon {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    background: linear-gradient(145deg, #f3ecdf 0%, #f7f0e0 40%, #f3ecdf 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
    color: var(--dm-hero-bg);
    font-size: 1.7rem;
    flex-shrink: 0;
}

.page-header-text h1 {
    margin: 0;
    font-size: 1.7rem;
    font-weight: 650;
    letter-spacing: 0.01em;
    color: #ffffff;
    position: relative;
}

    .page-header-text h1::after {
        content: "";
        display: block;
        width: 110px;
        height: 3px;
        border-radius: 999px;
        margin-top: 0.45rem;
        background: linear-gradient(90deg, var(--dm-accent) 0%, #ffffff 100%);
    }

.page-header-subtitle {
    margin: 0.2rem 0 0;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.page-header-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.5rem;
}

    .page-header-actions .btn {
        border-radius: var(--dm-radius-pill);
        font-size: 0.85rem;
        padding-inline: 1.05rem;
    }

    .page-header-actions .btn-light {
        background-color: #fdf7ec;
        border-color: transparent;
        color: var(--dm-hero-bg);
    }

    .page-header-actions .btn-outline-light {
        border-color: rgba(255, 255, 255, 0.6);
        color: #ffffff;
    }

        .page-header-actions .btn-outline-light:hover {
            background-color: #ffffff;
            color: var(--dm-hero-bg);
        }

.admin-hero {
    background-color: var(--dm-hero-bg);
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 3px solid rgba(0, 0, 0, 0.25);
}

.admin-hero-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background-color: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card {
    border-radius: var(--dm-radius-card);
    border: 1px solid rgba(0, 0, 0, 0.04);
    background-color: var(--dm-bg-soft);
}

    .card.shadow-sm {
        box-shadow: var(--dm-shadow-soft);
    }

.card-header {
    border-bottom: none;
    background-color: transparent;
}

.card .form-label {
    font-size: 0.9rem;
}

.home-stat-card {
    background-color: var(--dm-bg-soft);
    border-radius: 14px;
    padding: 0.75rem 1rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 68px;
}

    .home-stat-card .small {
        color: var(--dm-text-muted);
        font-size: 0.8rem;
    }

    .home-stat-card .fs-4 {
        font-weight: 600;
    }

.admin-stats-row {
    margin-top: 0.75rem;
}

.admin-stat-card {
    background-color: var(--dm-bg);
    border-radius: var(--dm-radius-pill);
    padding: 0.5rem 0.9rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 56px;
}

.admin-stat-label {
    font-size: 0.75rem;
    color: #666666;
}

.admin-stat-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dm-text-main);
}

.admin-filter-bar {
    background-color: var(--dm-bg);
    padding-top: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.admin-section-title-bar {
    background-color: var(--dm-hero-bg);
    border-radius: 8px;
    padding: 0.6rem;
}

.admin-list-section {
    background-color: var(--dm-bg);
    padding-top: 0.5rem;
    padding-bottom: 2rem;
}

.admin-article-card {
    background-color: var(--dm-bg-soft);
    transition: box-shadow 0.15s ease, transform 0.1s ease;
}

    .admin-article-card:hover {
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
        transform: translateY(-1px);
    }

.admin-article-thumb {
    background-color: #e2e2e2;
    border-radius: 8px;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.admin-article-title {
    font-size: 0.95rem;
}

.article-content-text {
    line-height: 1.6;
    font-size: 0.95rem;
    color: #333333;
}

.btn {
    border-radius: var(--dm-radius-pill);
    font-weight: 500;
    font-size: 0.9rem;
}

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

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

.btn-outline-secondary {
    border-radius: var(--dm-radius-pill);
}

.btn-pill {
    border-radius: var(--dm-radius-pill);
    padding-inline: 1.5rem;
}

.upload-dropzone {
    border: 2px dashed #b0b0b0;
    border-radius: 12px;
    padding: 24px;
    background-color: var(--dm-bg-soft);
    position: relative;
    text-align: center;
}

.upload-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.small.text-muted {
    color: var(--dm-text-muted) !important;
}

.card .badge {
    border-radius: var(--dm-radius-pill);
    font-size: 0.75rem;
}

.badge.bg-success,
.badge.bg-danger,
.badge.bg-warning,
.badge.bg-warning.text-dark,
.badge.bg-secondary {
    padding-inline: 0.7rem;
    padding-block: 0.25rem;
}

.form-check-sm .form-check-input {
    width: 0.9rem;
    height: 0.9rem;
    margin-top: 0.2rem;
}

.form-check-sm .form-check-label {
    font-size: 0.8rem;
}

.alert-info {
    border-radius: 12px;
    border: 1px solid #b8cfe9;
}

.nav-scrollable::-webkit-scrollbar {
    width: 6px;
}

.nav-scrollable::-webkit-scrollbar-track {
    background: transparent;
}

.nav-scrollable::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: var(--dm-radius-pill);
}

.auth-page {
    min-height: calc(100vh - 56px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 0;
    background-color: var(--dm-hero-bg);
}

.auth-card {
    background-color: var(--dm-bg);
    border-radius: var(--dm-radius-lg);
    padding: 2rem 2.4rem;
    width: 360px;
    max-width: 100%;
    box-shadow: var(--dm-shadow-strong);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.auth-icon {
    width: 56px;
    height: 56px;
    border-radius: 18px;
    background-color: rgba(7, 26, 58, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--dm-hero-bg);
    margin: 0 auto 0.75rem auto;
}

.auth-title {
    text-align: center;
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--dm-hero-bg);
}

.auth-subtitle {
    text-align: center;
    font-size: 0.85rem;
    color: #555555;
    margin-bottom: 1.25rem;
}

.auth-label {
    font-size: 0.85rem;
    color: #333333;
}

.auth-input {
    border-radius: 10px;
    border-color: #d0c5b3;
    font-size: 0.9rem;
}

    .auth-input:focus {
        box-shadow: 0 0 0 0.1rem rgba(0, 63, 125, 0.25);
        border-color: var(--dm-primary);
    }

.auth-submit {
    width: 100%;
    border-radius: var(--dm-radius-pill);
    padding-block: 0.55rem;
    font-weight: 500;
    margin-top: 0.25rem;
    margin-bottom: 0.5rem;
    background-color: var(--dm-primary);
    border-color: var(--dm-primary);
}

    .auth-submit:hover {
        background-color: var(--dm-primary-dark);
        border-color: var(--dm-primary-dark);
    }

.auth-links {
    margin-top: 0.75rem;
    text-align: center;
    color: var(--dm-bg);
}

@media (max-width: 768px) {
    .page {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
        box-shadow: none;
    }

    .nav-scrollable {
        height: auto;
    }

    main {
        min-height: calc(100vh - 56px);
    }

    .top-row {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .auth-card {
        margin-inline: 1rem;
        padding-inline: 1.6rem;
    }

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

    .page-header-actions {
        width: 100%;
        justify-content: flex-start;
        margin-top: 0.5rem;
    }
}

.top-row {
    background: linear-gradient(90deg, #04132b 0%, #06224b 55%, #08386b 100%);
    color: #ffffff;
    height: 56px;
    align-items: center;
    border-bottom: 2px solid #f7b733;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
}

.top-brand-icon {
    width: 32px;
    height: 32px;
    border-radius: 12px;
    background: linear-gradient(145deg, #f3ecdf 0%, #ffffff 40%, #f3ecdf 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #04132b;
    font-size: 1.1rem;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.35);
}

.top-brand-text span:first-child {
    letter-spacing: 0.06em;
}

.top-brand-text span:last-child {
    font-size: 0.8rem;
    letter-spacing: 0.08em;
}