:root {
    --wiki-bg: #ffffff;
    --wiki-accent: #0645ad;
    --wiki-border: #cccccc;
    --wiki-nav-bg: #f8f8f8;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    line-height: 1.6;
    background: var(--wiki-bg);
}
nav {
    border-bottom: 1px solid var(--wiki-border);
    padding-bottom: 10px;
    margin-bottom: 20px;
    background: var(--wiki-nav-bg);
    margin: 0 -20px 20px;
    padding: 10px 20px;
    border-radius: 4px;
}
nav a { margin-right: 15px; }
a { color: var(--wiki-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
a.wiki-link-missing { color: #d33; }
textarea { width: 100%; height: 300px; font-family: monospace; font-size: 14px; padding: 8px; box-sizing: border-box; }
button {
    padding: 8px 16px;
    margin-right: 8px;
    cursor: pointer;
    border: 1px solid var(--wiki-border);
    border-radius: 4px;
    background: var(--wiki-nav-bg);
}
button:hover { opacity: 0.85; }
.page-title { border-bottom: 1px solid var(--wiki-border); }
.page-list a { display: block; padding: 4px 0; }
.edit-hint { color: #666; font-size: 0.9em; margin-bottom: 8px; }
.storage-banner {
    background: #f0f0f0;
    border: 1px solid var(--wiki-border);
    border-radius: 4px;
    padding: 6px 12px;
    margin-bottom: 10px;
    font-size: 0.85em;
    color: #555;
}
.toolbar {
    background: var(--wiki-nav-bg);
    border: 1px solid var(--wiki-border);
    border-radius: 4px;
    padding: 8px 12px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.toolbar-status {
    font-size: 0.85em;
    color: #090;
    margin-left: 8px;
}
.theme-label {
    display: inline-block;
    font-size: 0.75em;
    padding: 2px 8px;
    border-radius: 3px;
    background: var(--wiki-accent);
    color: #fff;
    margin-left: 12px;
    vertical-align: middle;
    opacity: 0.8;
}

/* Page aging effects */
.page-content {
    position: relative;
    padding: 16px;
    border-radius: 4px;
    transition: background-color 0.3s, box-shadow 0.3s;
}
.age-fresh {
    background: var(--wiki-bg);
}
.age-recent {
    background: #fffef5;
    border: 1px solid #ede8d0;
}
.age-stale {
    background: #fdf6e3;
    border: 1px solid #d4c9a8;
    box-shadow: 1px 1px 4px rgba(0,0,0,0.06);
}
.age-old {
    background: linear-gradient(135deg, #f5edd6 0%, #efe4c8 50%, #f0e6cc 100%);
    border: 1px solid #c4b78a;
    box-shadow: 2px 2px 8px rgba(0,0,0,0.1);
}
.age-old::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 30px;
    height: 30px;
    background: linear-gradient(225deg, #e8dfc0 50%, transparent 50%);
    border-bottom-left-radius: 6px;
    box-shadow: -1px 1px 2px rgba(0,0,0,0.08);
}
.age-ancient {
    background: linear-gradient(
        135deg,
        #efe0b9 0%, #e8d5a5 20%, #f0ddb0 40%,
        #e5d09e 60%, #ecdaae 80%, #e3cc96 100%
    );
    border: 1px solid #b0a070;
    box-shadow: 3px 3px 12px rgba(0,0,0,0.15);
    filter: sepia(0.08);
}
.age-ancient::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 15% 85%, rgba(139,119,80,0.12) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(139,119,80,0.08) 0%, transparent 30%),
        radial-gradient(circle at 50% 50%, rgba(160,140,100,0.05) 0%, transparent 60%);
    pointer-events: none;
    border-radius: 4px;
}
.age-ancient::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 40px;
    height: 40px;
    background: linear-gradient(225deg, #ddd0a8 50%, transparent 50%);
    border-bottom-left-radius: 8px;
    box-shadow: -2px 2px 4px rgba(0,0,0,0.12);
}