:root {
    --color-primary: 217 91% 60%;
    --color-primary-hover: 217 91% 50%;
    --color-primary-light: 217 91% 95%;
    --color-bg: 0 0% 100%;
    --color-bg-secondary: 220 14% 96%;
    --color-bg-tertiary: 220 13% 91%;
    --color-text: 222 47% 11%;
    --color-text-secondary: 220 9% 46%;
    --color-text-muted: 220 9% 60%;
    --color-border: 220 13% 91%;
    --color-border-hover: 220 9% 76%;
    --color-success: 142 71% 45%;
    --color-success-light: 142 71% 93%;
    --color-warning: 38 92% 50%;
    --color-danger: 0 84% 60%;
    --color-danger-light: 0 84% 95%;
    --color-card-shadow: 0 0% 0% / 0.08;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --max-width: 1100px;
    --header-height: 60px;
    --transition: 0.2s ease;
}

[data-theme="dark"] {
    --color-primary: 217 91% 65%;
    --color-primary-hover: 217 91% 75%;
    --color-primary-light: 217 50% 18%;
    --color-bg: 222 47% 8%;
    --color-bg-secondary: 222 40% 12%;
    --color-bg-tertiary: 222 35% 16%;
    --color-text: 210 40% 96%;
    --color-text-secondary: 220 15% 65%;
    --color-text-muted: 220 10% 50%;
    --color-border: 222 30% 20%;
    --color-border-hover: 222 20% 30%;
    --color-success-light: 142 40% 15%;
    --color-danger-light: 0 40% 15%;
    --color-card-shadow: 0 0% 0% / 0.3;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background: hsl(var(--color-bg));
    color: hsl(var(--color-text));
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--spacing-md);
    background: hsl(var(--color-primary));
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    z-index: 1000;
    text-decoration: none;
    font-weight: 600;
}

.skip-link:focus {
    top: var(--spacing-md);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: hsl(var(--color-bg) / 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid hsl(var(--color-border));
    height: var(--header-height);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: var(--spacing-md);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: hsl(var(--color-text));
    font-weight: 700;
    font-size: 1.15rem;
    transition: color var(--transition);
}

.site-logo:hover {
    color: hsl(var(--color-primary));
}

.site-logo svg {
    color: hsl(var(--color-primary));
}

.site-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.nav-link {
    text-decoration: none;
    color: hsl(var(--color-text-secondary));
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: hsl(var(--color-primary));
    background: hsl(var(--color-primary-light));
}

.theme-toggle {
    background: none;
    border: 1px solid hsl(var(--color-border));
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    color: hsl(var(--color-text-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}

.theme-toggle:hover {
    color: hsl(var(--color-text));
    border-color: hsl(var(--color-border-hover));
}

[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
:root .icon-sun,
body:not([data-theme="dark"]) .icon-sun { display: none; }
:root .icon-moon,
body:not([data-theme="dark"]) .icon-moon { display: block; }

.breadcrumb-nav {
    background: hsl(var(--color-bg-secondary));
    border-bottom: 1px solid hsl(var(--color-border));
    padding: var(--spacing-sm) 0;
}

.breadcrumb {
    display: flex;
    align-items: center;
    list-style: none;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    flex-wrap: wrap;
}

.breadcrumb li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.breadcrumb li + li::before {
    content: '/';
    color: hsl(var(--color-text-muted));
    margin: 0 2px;
}

.breadcrumb a {
    color: hsl(var(--color-text-secondary));
    text-decoration: none;
    transition: color var(--transition);
}

.breadcrumb a:hover {
    color: hsl(var(--color-primary));
}

.breadcrumb .current {
    color: hsl(var(--color-text));
    font-weight: 500;
}

.main-content {
    flex: 1;
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-2xl);
}

.page-header {
    margin-bottom: var(--spacing-xl);
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    color: hsl(var(--color-text-secondary));
    font-size: 1.1rem;
    max-width: 650px;
}

.page-header .progress-summary {
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
    color: hsl(var(--color-text-muted));
}

.topic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.card {
    background: hsl(var(--color-bg));
    border: 1px solid hsl(var(--color-border));
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
    box-shadow: 0 1px 3px hsl(var(--color-card-shadow));
}

.card:hover {
    border-color: hsl(var(--color-primary) / 0.4);
    box-shadow: 0 4px 12px hsl(var(--color-card-shadow));
    transform: translateY(-2px);
}

.card-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: hsl(var(--color-primary-light));
    color: hsl(var(--color-primary));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    font-size: 1.3rem;
}

.card h2 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.card p {
    color: hsl(var(--color-text-secondary));
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-md);
}

.card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8rem;
    color: hsl(var(--color-text-muted));
}

.progress-bar {
    width: 100%;
    height: 6px;
    background: hsl(var(--color-bg-tertiary));
    border-radius: 3px;
    overflow: hidden;
    margin-top: var(--spacing-md);
}

.progress-bar-fill {
    height: 100%;
    background: hsl(var(--color-success));
    border-radius: 3px;
    transition: width 0.4s ease;
}

.chapter-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.chapter-card {
    background: hsl(var(--color-bg));
    border: 1px solid hsl(var(--color-border));
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color var(--transition);
}

.chapter-card:hover {
    border-color: hsl(var(--color-primary) / 0.4);
}

.chapter-header {
    padding: var(--spacing-lg);
    text-decoration: none;
    color: inherit;
    display: block;
}

.chapter-header h2 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.chapter-header p {
    color: hsl(var(--color-text-secondary));
    font-size: 0.9rem;
}

.item-list {
    border-top: 1px solid hsl(var(--color-border));
}

.item-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    text-decoration: none;
    color: inherit;
    transition: background var(--transition);
    border-bottom: 1px solid hsl(var(--color-border));
}

.item-link:last-child {
    border-bottom: none;
}

.item-link:hover {
    background: hsl(var(--color-bg-secondary));
}

.item-check {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid hsl(var(--color-border));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all var(--transition);
}

.item-check.completed {
    background: hsl(var(--color-success));
    border-color: hsl(var(--color-success));
    color: white;
}

.item-check.completed::after {
    content: '';
    width: 6px;
    height: 10px;
    border: 2px solid white;
    border-top: none;
    border-left: none;
    transform: rotate(45deg) translateY(-1px);
}

.item-info {
    flex: 1;
    min-width: 0;
}

.item-info .item-title {
    font-weight: 600;
    font-size: 0.95rem;
}

.item-info .item-type {
    font-size: 0.8rem;
    color: hsl(var(--color-text-muted));
    text-transform: capitalize;
}

.item-arrow {
    color: hsl(var(--color-text-muted));
    flex-shrink: 0;
}

.content-view {
    max-width: 760px;
}

.content-view .content-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid hsl(var(--color-border));
}

.content-view .content-header h1 {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.25;
}

.content-view .content-header .content-meta {
    margin-top: var(--spacing-sm);
    color: hsl(var(--color-text-muted));
    font-size: 0.85rem;
}

.content-body {
    font-size: 1rem;
    line-height: 1.75;
}

.content-body h1 { font-size: 1.7rem; font-weight: 800; margin: 2rem 0 1rem; letter-spacing: -0.01em; }
.content-body h2 { font-size: 1.4rem; font-weight: 700; margin: 1.8rem 0 0.8rem; }
.content-body h3 { font-size: 1.15rem; font-weight: 600; margin: 1.5rem 0 0.6rem; }
.content-body p { margin-bottom: 1rem; }
.content-body ul, .content-body ol { margin-bottom: 1rem; padding-left: 1.5rem; }
.content-body li { margin-bottom: 0.4rem; }
.content-body blockquote {
    border-left: 3px solid hsl(var(--color-primary));
    padding: var(--spacing-md) var(--spacing-lg);
    margin: 1.2rem 0;
    background: hsl(var(--color-bg-secondary));
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: hsl(var(--color-text-secondary));
}
.content-body code {
    background: hsl(var(--color-bg-secondary));
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.88em;
    border: 1px solid hsl(var(--color-border));
}
.content-body pre {
    background: hsl(var(--color-bg-secondary));
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 1.2rem 0;
    border: 1px solid hsl(var(--color-border));
}
.content-body pre code {
    background: none;
    padding: 0;
    border: none;
    font-size: 0.875rem;
    line-height: 1.6;
}
.content-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.2rem 0;
    font-size: 0.9rem;
}
.content-body th, .content-body td {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid hsl(var(--color-border));
    text-align: left;
}
.content-body th {
    background: hsl(var(--color-bg-secondary));
    font-weight: 600;
}
.content-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 1rem 0;
}
.content-body a {
    color: hsl(var(--color-primary));
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}
.content-body a:hover {
    text-decoration-thickness: 2px;
}

.content-nav {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid hsl(var(--color-border));
}

.content-nav a {
    text-decoration: none;
    color: hsl(var(--color-text-secondary));
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid hsl(var(--color-border));
    border-radius: var(--radius-md);
    transition: all var(--transition);
    font-size: 0.9rem;
    max-width: 45%;
}

.content-nav a:hover {
    border-color: hsl(var(--color-primary));
    color: hsl(var(--color-primary));
}

.content-nav .nav-label {
    display: block;
    font-size: 0.75rem;
    color: hsl(var(--color-text-muted));
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.content-nav .nav-title {
    font-weight: 600;
}

.mark-complete-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: hsl(var(--color-success));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.mark-complete-btn:hover {
    filter: brightness(1.1);
}

.mark-complete-btn.completed {
    background: hsl(var(--color-bg-secondary));
    color: hsl(var(--color-success));
    border: 1px solid hsl(var(--color-success) / 0.3);
}

.admin-container {
    max-width: 900px;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.admin-header h1 {
    font-size: 1.5rem;
    font-weight: 800;
}

.admin-tabs {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid hsl(var(--color-border));
    overflow-x: auto;
}

.admin-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    background: none;
    cursor: pointer;
    color: hsl(var(--color-text-secondary));
    font-size: 0.9rem;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: all var(--transition);
    white-space: nowrap;
}

.admin-tab:hover {
    color: hsl(var(--color-text));
}

.admin-tab.active {
    color: hsl(var(--color-primary));
    border-bottom-color: hsl(var(--color-primary));
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    border: 1px solid transparent;
}

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

.btn-primary:hover {
    background: hsl(var(--color-primary-hover));
}

.btn-secondary {
    background: hsl(var(--color-bg));
    color: hsl(var(--color-text));
    border-color: hsl(var(--color-border));
}

.btn-secondary:hover {
    background: hsl(var(--color-bg-secondary));
}

.btn-danger {
    background: hsl(var(--color-danger));
    color: white;
    border-color: hsl(var(--color-danger));
}

.btn-danger:hover {
    filter: brightness(1.1);
}

.btn-sm {
    padding: 4px var(--spacing-sm);
    font-size: 0.8rem;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: hsl(var(--color-text));
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid hsl(var(--color-border));
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    background: hsl(var(--color-bg));
    color: hsl(var(--color-text));
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: hsl(var(--color-primary));
    box-shadow: 0 0 0 3px hsl(var(--color-primary) / 0.15);
}

.form-group textarea {
    min-height: 200px;
    resize: vertical;
    font-family: var(--font-mono);
    line-height: 1.5;
}

.form-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.admin-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid hsl(var(--color-border));
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    background: hsl(var(--color-bg));
    transition: border-color var(--transition);
}

.admin-list-item:hover {
    border-color: hsl(var(--color-border-hover));
}

.admin-list-item .item-info {
    flex: 1;
}

.admin-list-item .item-info h3 {
    font-size: 0.95rem;
    font-weight: 600;
}

.admin-list-item .item-info p {
    font-size: 0.8rem;
    color: hsl(var(--color-text-muted));
}

.admin-list-item .item-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: hsl(0 0% 0% / 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    padding: var(--spacing-lg);
}

.modal {
    background: hsl(var(--color-bg));
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px hsl(var(--color-card-shadow));
}

.modal h2 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.toast {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    background: hsl(var(--color-text));
    color: hsl(var(--color-bg));
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    z-index: 300;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px hsl(var(--color-card-shadow));
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.error {
    background: hsl(var(--color-danger));
    color: white;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: hsl(var(--color-text-muted));
}

.empty-state svg {
    margin-bottom: var(--spacing-md);
    opacity: 0.4;
}

.empty-state h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: hsl(var(--color-text-secondary));
}

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid hsl(var(--color-border));
    border-top-color: hsl(var(--color-primary));
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

.site-footer {
    border-top: 1px solid hsl(var(--color-border));
    padding: var(--spacing-lg) 0;
    color: hsl(var(--color-text-muted));
    font-size: 0.85rem;
}

.footer-inner {
    text-align: center;
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 16px;
        --spacing-xl: 24px;
    }

    .page-header h1 {
        font-size: 1.5rem;
    }

    .topic-grid {
        grid-template-columns: 1fr;
    }

    .content-nav {
        flex-direction: column;
    }

    .content-nav a {
        max-width: 100%;
    }

    .header-inner {
        gap: var(--spacing-sm);
    }

    .logo-text {
        font-size: 1rem;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

.media-container {
    margin: 1.5rem 0;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.media-container video,
.media-container audio {
    width: 100%;
    border-radius: var(--radius-md);
}

.media-container audio {
    margin: 1rem 0;
}

.drag-handle {
    cursor: grab;
    color: hsl(var(--color-text-muted));
    padding: 4px;
}

.drag-handle:active {
    cursor: grabbing;
}

.youtube-embed {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}

.youtube-embed iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-md);
}

.icon-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: var(--spacing-sm) 0;
}

.icon-option {
    cursor: pointer;
}

.icon-option input[type="radio"] {
    display: none;
}

.icon-option-inner {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid hsl(var(--color-border));
    border-radius: var(--radius-sm);
    color: hsl(var(--color-text-secondary));
    transition: all var(--transition);
}

.icon-option:hover .icon-option-inner {
    border-color: hsl(var(--color-primary) / 0.5);
    color: hsl(var(--color-primary));
}

.icon-option input[type="radio"]:checked + .icon-option-inner {
    border-color: hsl(var(--color-primary));
    background: hsl(var(--color-primary-light));
    color: hsl(var(--color-primary));
}

.admin-login {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
    padding: var(--space-lg);
}

.admin-login-card {
    background: hsl(var(--color-bg));
    border: 1px solid hsl(var(--color-border));
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 24px hsl(var(--color-card-shadow));
    padding: var(--space-2xl);
    max-width: 400px;
    width: 100%;
    text-align: center;
}

.admin-login-icon {
    color: hsl(var(--color-primary));
    margin-bottom: var(--space-md);
}

.admin-login-card h1 {
    font-size: 1.5rem;
    margin-bottom: var(--space-xs);
}

.admin-login-card > p {
    color: hsl(var(--color-text-secondary));
    font-size: 0.95rem;
    margin-bottom: var(--space-lg);
}

.admin-login-card .form-group {
    text-align: left;
    margin-bottom: var(--space-md);
}

.admin-login-card input[type="password"] {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid hsl(var(--color-border));
    border-radius: var(--radius-sm);
    font-size: 1rem;
    background: hsl(var(--color-bg));
    color: hsl(var(--color-text));
    transition: border-color var(--transition);
}

.admin-login-card input[type="password"]:focus {
    outline: none;
    border-color: hsl(var(--color-primary));
    box-shadow: 0 0 0 3px hsl(var(--color-primary) / 0.15);
}

.login-error {
    background: hsl(var(--color-danger-light));
    color: hsl(var(--color-danger));
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
    text-align: left;
}