:root {
    --bg: #0f1218;
    --card-bg: #171b24;
    --card-border: #232836;
    --text: #e8eaef;
    --text-dim: #9099a8;
    --accent: #4a90e2;
    --accent-hover: #5a9fee;
    --error: #e74c3c;
    --success: #27ae60;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    line-height: 1.5;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 40px 32px;
    max-width: 480px;
    width: 100%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.brand {
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: 4px;
}

h1 {
    margin: 0 0 12px;
    font-size: 22px;
    font-weight: 600;
    word-break: break-word;
}

.sub {
    color: var(--text-dim);
    margin: 0 0 24px;
    font-size: 14px;
}

.error {
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid rgba(231, 76, 60, 0.3);
    color: #ff8c7a;
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
}

.meta {
    margin: 0 0 24px;
    padding: 0;
    font-size: 14px;
    border-top: 1px solid var(--card-border);
}
.meta > div {
    display: flex;
    padding: 12px 0;
    border-bottom: 1px solid var(--card-border);
}
.meta dt { width: 90px; color: var(--text-dim); margin: 0; flex-shrink: 0; }
.meta dd { margin: 0; color: var(--text); word-break: break-word; }

input[type="password"] {
    width: 100%;
    padding: 12px 14px;
    background: #0f1218;
    border: 1px solid var(--card-border);
    border-radius: 6px;
    color: var(--text);
    font-size: 15px;
    margin-bottom: 14px;
    outline: none;
    transition: border-color 0.15s;
}
input[type="password"]:focus { border-color: var(--accent); }

.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.15s;
    width: 100%;
    text-align: center;
}
.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); }

.hint {
    margin: 14px 0 0;
    font-size: 12px;
    color: var(--text-dim);
    text-align: center;
}

.page-root main { animation: fadeIn 0.3s ease; }
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}