:root {
    color-scheme: dark;
    --bg: #0b1020;
    --panel: #151c31;
    --panel-soft: #1c2540;
    --text: #f4f7ff;
    --muted: #9da8c3;
    --primary: #4f8cff;
    --danger: #ff5f6d;
    --border: rgba(255, 255, 255, 0.09);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family:
        Inter,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    background:
        radial-gradient(
            circle at top,
            #17244a 0,
            var(--bg) 42%
        );
    color: var(--text);
}

a {
    color: inherit;
}

.login-page {
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    padding: 32px;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: rgba(21, 28, 49, 0.94);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
}

.brand {
    margin-bottom: 28px;
}

.brand h1 {
    margin: 0;
    font-size: 30px;
}

.brand p {
    margin: 8px 0 0;
    color: var(--muted);
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--muted);
    font-size: 14px;
}

.form-control {
    width: 100%;
    padding: 14px 15px;
    color: var(--text);
    background: var(--panel-soft);
    border: 1px solid var(--border);
    border-radius: 12px;
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 14px 18px;
    border: 0;
    border-radius: 12px;
    color: white;
    background: var(--primary);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
}

.alert {
    margin-bottom: 18px;
    padding: 13px 15px;
    border-radius: 12px;
    font-size: 14px;
}

.alert-danger {
    background: rgba(255, 95, 109, 0.14);
    border: 1px solid rgba(255, 95, 109, 0.35);
    color: #ffc2c8;
}

.footer-note {
    margin-top: 22px;
    color: var(--muted);
    text-align: center;
    font-size: 13px;
}