:root {
    --bg: #121212;
    --panel: #1b1b1b;
    --panel-2: #222;
    --gold: #c7a45a;
    --gold-2: #e2c27a;
    --text: #f4f0e8;
    --muted: #b8b0a2;
    --danger-bg: #3a1717;
    --danger-border: #7d2a2a;
    --danger-text: #ffd8d8;
}

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    margin: 0;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(199, 164, 90, .18), transparent 32rem),
        linear-gradient(135deg, #0c0c0c, var(--bg));
    color: var(--text);
}

.xc-login-page {
    min-height: 100%;
    display: grid;
    place-items: center;
    padding: 24px;
}

.xc-login-card {
    width: min(440px, 100%);
    background: rgba(27, 27, 27, .96);
    border: 1px solid rgba(199, 164, 90, .32);
    border-radius: 22px;
    padding: 28px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, .55);
}

.xc-brand {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.xc-brand-mark {
    width: 58px;
    height: 58px;
    border-radius: 18px;
    display: grid;
    place-items: center;
    color: #111;
    background: linear-gradient(135deg, var(--gold-2), var(--gold));
    font-weight: 900;
    letter-spacing: -1px;
}

.xc-brand h1 {
    margin: 0;
    font-size: 28px;
    line-height: 1;
}

.xc-brand p {
    margin: 6px 0 0;
    color: var(--muted);
    font-size: 14px;
}

.xc-alert {
    background: var(--danger-bg);
    border: 1px solid var(--danger-border);
    color: var(--danger-text);
    border-radius: 14px;
    padding: 12px 14px;
    margin-bottom: 18px;
    font-size: 14px;
}

.xc-form {
    display: grid;
    gap: 16px;
}

.xc-field {
    display: grid;
    gap: 7px;
}

.xc-field label {
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
}

.xc-field input {
    width: 100%;
    border: 1px solid rgba(255, 255, 255, .12);
    background: var(--panel-2);
    color: var(--text);
    border-radius: 13px;
    padding: 13px 14px;
    outline: none;
    font-size: 15px;
}

.xc-field input:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(199, 164, 90, .16);
}

.xc-btn {
    margin-top: 4px;
    border: 0;
    border-radius: 14px;
    padding: 14px 16px;
    background: linear-gradient(135deg, var(--gold-2), var(--gold));
    color: #111;
    font-weight: 900;
    font-size: 15px;
    cursor: pointer;
}

.xc-btn:hover {
    filter: brightness(1.05);
}