:root {
    --md-primary-fg-color: #0c111d;
    --md-primary-bg-color: #ffffff;
    --md-accent-fg-color: #7c3aed;
}

[data-md-color-scheme="slate"] {
    --md-primary-fg-color: #0c111d;
    --md-accent-fg-color: #a78bfa;
    --md-default-fg-color: #ffffff;
    --md-default-bg-color: #0c111d;
    --md-typeset-color: #ffffff;
    --md-typeset-a-color: #ffffff;
}

/* Force everything in typeset and nav to be white in dark mode */
[data-md-color-scheme="slate"] .md-typeset,
[data-md-color-scheme="slate"] .md-nav,
[data-md-color-scheme="slate"] .md-nav__link,
[data-md-color-scheme="slate"] .md-typeset a,
[data-md-color-scheme="slate"] .md-typeset h1,
[data-md-color-scheme="slate"] .md-typeset h2,
[data-md-color-scheme="slate"] .md-typeset h3,
[data-md-color-scheme="slate"] .md-typeset li,
[data-md-color-scheme="slate"] .md-typeset strong,
[data-md-color-scheme="slate"] .toclink,
[data-md-color-scheme="slate"] .headerlink,
[data-md-color-scheme="slate"] .md-meta__link,
[data-md-color-scheme="slate"] .md-post__title a {
    color: #ffffff !important;
}

[data-md-color-scheme="slate"] .md-typeset a:hover {
    color: #a78bfa !important;
}

/* Hide tag icons in blog and meta */
.md-post__tags::before,
.md-post__tag-icon,
.md-tag-icon,
[href*="category"]::before {
    display: none !important;
}

/* Typography upgrade */
body {
    font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* Glassmorphism Hero Section */
.hero-section {
    padding: 4rem 2rem;
    margin-bottom: 2rem;
    border-radius: 1.5rem;
    background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.hero-section::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 80%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
    position: relative;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

/* Feature Cards */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.25rem;
    margin-top: 3rem;
}

.feature-card {
    padding: 2rem;
    border-radius: 1rem;
    background: var(--md-card-bg-color);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none !important;
    color: inherit !important;
    display: block;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    border-color: var(--md-accent-fg-color);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-card h3 {
    margin: 0 0 0.5rem 0 !important;
    font-weight: 700 !important;
    color: var(--md-typeset-color);
}

.feature-card p {
    margin: 0 !important;
    font-size: 0.95rem;
    color: var(--md-typeset-color);
    opacity: 0.8;
}

/* Custom Tag Cloud */
.tag-cloud {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-top: 1.5rem;
}

@media (max-width: 960px) {
    .tag-cloud {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 600px) {
    .tag-cloud {
        grid-template-columns: repeat(2, 1fr);
    }
}

.tag-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1rem;
    background: rgba(124, 58, 237, 0.06);
    border: 1px solid rgba(124, 58, 237, 0.15);
    border-radius: 0.6rem;
    font-weight: 600;
    font-size: 0.88rem;
    color: #4c1d95 !important;
    text-decoration: none !important;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tag-item:hover {
    background: linear-gradient(135deg, #6366f1, #7c3aed);
    color: #ffffff !important;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.25);
}

.tag-item:hover .tag-count {
    background: rgba(255, 255, 255, 0.25);
    color: #ffffff;
}

.tag-count {
    flex-shrink: 0;
    margin-left: 0.5rem;
    padding: 0.1rem 0.45rem;
    background: rgba(124, 58, 237, 0.12);
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: #7c3aed;
    transition: all 0.25s;
}

/* 深色模式標籤雲 */
[data-md-color-scheme="slate"] .tag-item {
    background: rgba(167, 139, 250, 0.1);
    border-color: rgba(167, 139, 250, 0.2);
    color: #c4b5fd !important;
}

[data-md-color-scheme="slate"] .tag-item:hover {
    background: linear-gradient(135deg, #6366f1, #a78bfa);
    color: #ffffff !important;
}

[data-md-color-scheme="slate"] .tag-count {
    background: rgba(167, 139, 250, 0.15);
    color: #a78bfa;
}

/* ===== Pagination 換頁元件 ===== */
.md-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin: 2rem 0;
    padding: 1rem 0;
}

.md-pagination__link,
.md-pagination__current {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.5rem;
    border-radius: 0.5rem;
    font-size: 0.9rem !important;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

/* 淺色模式 */
.md-pagination__link {
    color: #374151 !important;
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.md-pagination__link:hover {
    color: #7c3aed !important;
    background: rgba(124, 58, 237, 0.1);
    border-color: #7c3aed;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(124, 58, 237, 0.15);
}

.md-pagination__current {
    color: #ffffff !important;
    background: linear-gradient(135deg, #6366f1, #7c3aed);
    border: 1px solid transparent;
    box-shadow: 0 2px 4px rgba(124, 58, 237, 0.3);
}

/* 深色模式 */
[data-md-color-scheme="slate"] .md-pagination__link {
    color: #d1d5db !important;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

[data-md-color-scheme="slate"] .md-pagination__link:hover {
    color: #a78bfa !important;
    background: rgba(167, 139, 250, 0.15);
    border-color: #a78bfa;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(167, 139, 250, 0.2);
}

[data-md-color-scheme="slate"] .md-pagination__current {
    color: #ffffff !important;
    background: linear-gradient(135deg, #6366f1, #a78bfa);
    border: 1px solid transparent;
    box-shadow: 0 2px 4px rgba(167, 139, 250, 0.3);
}

/* 隱藏列印時的按鈕與側邊欄 */
@media print {

    #study-tools-container,
    .md-sidebar,
    .md-header,
    .md-footer {
        display: none !important;
    }
}

/* 狀態標籤 CSS */
.study-status-btn {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 12px;
    cursor: pointer;
    border: 1px solid #ccc;
    background: #f3f4f6;
    margin-left: 10px;
    vertical-align: middle;
}

.study-status-btn.status-unread {
    background: #e5e7eb;
    color: #4b5563;
}

.study-status-btn.status-memorized {
    background: #d1fae5;
    color: #047857;
    border-color: #34d399;
}

.study-status-btn.status-important {
    background: #fee2e2;
    color: #b91c1c;
    border-color: #f87171;
}