:root {
    --bg: #0d1117;
    --panel: #151b23;
    --border: #2a323d;
    --text: #d8dee9;
    --muted: #7d8590;
    --accent: #3fb950;
    --danger: #f85149;
    --warn: #d29922;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}
.topnav {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 16px 32px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
}
.topnav .brand {
    font-weight: 700;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    margin-right: auto;
}
.topnav a { color: var(--muted); text-decoration: none; font-size: 14px; }
.topnav a:hover { color: var(--text); }
.topnav .logout { margin-left: auto; }
main { max-width: 1000px; margin: 0 auto; padding: 32px; }
h1 { font-size: 22px; margin-bottom: 24px; }
h2 { font-size: 16px; color: var(--muted); margin-top: 40px; text-transform: uppercase; letter-spacing: 0.05em; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.stat-card.highlight { border-color: var(--danger); }
.stat-value {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 28px;
    font-weight: 700;
}
.stat-label { color: var(--muted); font-size: 13px; }
table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; }
.badge {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--border);
}
.verdict-spam .badge { background: rgba(248,81,73,0.15); color: var(--danger); }
.verdict-ham .badge { background: rgba(63,185,80,0.15); color: var(--accent); }
.verdict-pending .badge { background: rgba(210,153,34,0.15); color: var(--warn); }
.excerpt, .reasons {
    color: var(--muted);
    font-size: 12px;
    max-width: 220px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.inline-form { display: flex; gap: 8px; margin: 20px 0; }
.inline-form input {
    flex: 1;
    padding: 10px 12px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
}
button {
    padding: 10px 16px;
    background: var(--accent);
    color: #04140a;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
}
button:hover { opacity: 0.9; }
.callout {
    background: rgba(63,185,80,0.1);
    border: 1px solid var(--accent);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
}
.callout .key {
    display: block;
    margin-top: 8px;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    background: var(--bg);
    padding: 10px;
    border-radius: 6px;
    word-break: break-all;
}
.auth-page { display: flex; align-items: center; justify-content: center; height: 100vh; }
.auth-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 32px;
    width: 320px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.auth-card h1 {
    text-align: center;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 18px;
}
.auth-card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.auth-card input {
    padding: 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
}
.error { color: var(--danger); font-size: 13px; }