/* ============================================================
   Theme Styles - 主题特定样式
   ============================================================ */

/* ===== Theme Transition ===== */
body,
.box,
.card,
.navbar,
.footer,
.input,
.textarea,
.button {
    transition: background-color var(--transition-normal),
                color var(--transition-normal),
                border-color var(--transition-normal);
}

/* ===== Theme Toggle Icons ===== */
[data-theme="light"] #themeIconLight {
    display: inline;
}

[data-theme="light"] #themeIconDark {
    display: none;
}

[data-theme="dark"] #themeIconLight {
    display: none;
}

[data-theme="dark"] #themeIconDark {
    display: inline;
    color: #f1c40f;
}

/* ===== Dark Theme Specific ===== */
[data-theme="dark"] {
    color-scheme: dark;
}

[data-theme="dark"] .has-shadow {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .hero-card {
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .article-card {
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .sidebar-widget {
    border: 1px solid var(--border-color);
}

[data-theme="dark"] hr {
    background-color: var(--border-color);
}

/* ===== Dark Theme Images ===== */
[data-theme="dark"] img {
    opacity: 0.9;
}

[data-theme="dark"] img:hover {
    opacity: 1;
}

/* ===== Dark Theme Content ===== */
[data-theme="dark"] .content {
    color: var(--text-secondary);
}

[data-theme="dark"] .content h1,
[data-theme="dark"] .content h2,
[data-theme="dark"] .content h3,
[data-theme="dark"] .content h4,
[data-theme="dark"] .content h5,
[data-theme="dark"] .content h6 {
    color: var(--text-primary);
}

[data-theme="dark"] .content blockquote {
    background-color: var(--bg-hover);
    border-left-color: var(--color-primary);
}

[data-theme="dark"] .content table th {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

[data-theme="dark"] .content table td {
    border-color: var(--border-color);
}

/* ===== Light Theme Specific ===== */
[data-theme="light"] .box,
[data-theme="light"] .card {
    box-shadow: var(--shadow-card);
}

/* ===== Reading Mode (Optional) ===== */
.reading-mode {
    --bg-body: #f9f7f1;
    --bg-card: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #333333;
}

/* ===== High Contrast Mode (Accessibility) ===== */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #000000;
        --text-secondary: #1a1a1a;
        --border-color: #000000;
    }

    [data-theme="dark"] {
        --text-primary: #ffffff;
        --text-secondary: #f0f0f0;
        --border-color: #ffffff;
    }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== Print Styles ===== */
@media print {
    body {
        background: #ffffff;
        color: #000000;
    }

    .navbar,
    .footer,
    .sidebar,
    .theme-toggle,
    .lang-toggle,
    .breadcrumb,
    .article-navigation,
    .related-articles {
        display: none !important;
    }

    .article-content {
        max-width: 100%;
    }

    a {
        color: #000000;
        text-decoration: underline;
    }

    a[href^="http"]::after {
        content: " (" attr(href) ")";
        font-size: 0.8em;
    }
}