@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Space+Grotesk:wght@500;600&display=swap");

:root {
    --color-primary: #1f4f8a;
    --color-border: #142336;
    --color-bg: #060c14;
    --color-card: #0a1220;
    --color-text: #e5eef9;
    --color-muted: #7f93ad;
    --color-input: #07101b;
}

* {
    box-sizing: border-box;
}

body.auth-page {
    margin: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 24px;
    font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: radial-gradient(1200px 600px at 50% 0%, #111a27 0%, #060c14 60%, #050a12 100%);
    color: var(--color-text);
}

.card {
    width: min(520px, 92vw);
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: 22px;
    padding: 28px;
    box-shadow: 0 18px 60px rgba(3, 10, 20, 0.55);
    animation: rise 0.45s ease;
}

.title {
    font-family: "Space Grotesk", Inter, system-ui, sans-serif;
    margin: 0 0 6px;
}

.subtitle {
    margin: 0 0 16px;
    color: var(--color-muted);
    font-size: 14px;
}

label {
    display: grid;
    gap: 6px;
    font-size: 13px;
    color: var(--color-muted);
}

label .error {
    display: none;
    color: #f6c3cf;
    font-size: 11px;
}

input {
    height: 44px;
    border-radius: 14px;
    border: 1px solid var(--color-border);
    background: var(--color-input);
    color: var(--color-text);
    padding: 0 12px;
    font-size: 15px;
}

.submitted input:invalid {
    border-color: rgba(138, 31, 64, 0.7);
    box-shadow: 0 0 0 0.18rem rgba(138, 31, 64, 0.18);
}

.submitted input:invalid + .error {
    display: block;
}

button {
    height: 44px;
    border-radius: 14px;
    border: 1px solid var(--color-primary);
    background: var(--color-primary);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    width: 100%;
}

.alert {
    border-radius: 12px;
    padding: 10px 12px;
    margin-bottom: 12px;
    font-size: 13px;
    display: none;
}

.alert.success {
    background: rgba(31, 138, 90, 0.15);
    border: 1px solid rgba(31, 138, 90, 0.5);
    color: #bff2d6;
}

.alert.error {
    background: rgba(138, 31, 64, 0.15);
    border: 1px solid rgba(138, 31, 64, 0.5);
    color: #f6c3cf;
}

.link {
    margin-top: 12px;
    text-align: center;
}

.link a {
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 1px solid rgba(229, 238, 249, 0.35);
}

.link a:hover {
    border-bottom-color: rgba(229, 238, 249, 0.8);
}

@keyframes rise {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}