:root {
    color-scheme: light dark;
    --bg: #050505;
    --card-bg: rgba(255, 255, 255, 0.07);
    --card-border: rgba(255, 255, 255, 0.15);
    --text: #f8f4ef;
    --muted: rgba(248, 244, 239, 0.75);
    --accent: #f3c77e;
    --error: #ff8c8c;
    font-family: "Source Sans 3", "Gentium Plus", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background-color: black;
    background-image: url(./gate.avif);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    color: var(--text);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.passcode-shell {
    width: min(460px, 100%);
}

.passcode-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 28px;
    padding: 2.5rem;
    backdrop-filter: blur(16px);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
}

.brand h1 {
    font-family: "Gentium Plus", serif;
    font-size: clamp(2rem, 5vw, 2.75rem);
    margin: 0.25rem 0 0.5rem;
    font-weight: 400;
}

.brand p {
    margin: 0;
    color: var(--muted);
    line-height: 1.5;
}

.brand .eyebrow {
    font-size: 0.85rem;
    letter-spacing: 0.2ch;
    text-transform: uppercase;
    color: var(--accent);
}

form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

label {
    font-weight: 600;
    letter-spacing: 0.05ch;
}

.input-row {
    display: flex;
    gap: 0.75rem;
}

input[type="password"] {
    flex: 1;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    background: rgba(0, 0, 0, 0.35);
    color: var(--text);
    font-size: 1.1rem;
    padding: 0.9rem 1rem;
    transition: border-color 160ms ease;
}

input[type="password"]:focus {
    outline: none;
    border-color: var(--accent);
}

button.primary {
    border: none;
    border-radius: 16px;
    background: linear-gradient(135deg, #f3c77e, #f0b44b);
    color: #1d1308;
    font-weight: 600;
    padding: 0.9rem 1.4rem;
    min-width: 120px;
    cursor: pointer;
    transition: transform 150ms ease, box-shadow 150ms ease;
}

button.primary:disabled {
    opacity: 0.5;
    cursor: progress;
}

button.primary:not(:disabled):hover,
button.primary:not(:disabled):focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.status {
    min-height: 1.25rem;
    font-size: 0.95rem;
    color: var(--muted);
}

.status.error {
    color: var(--error);
}

.supporting {
    color: var(--muted);
    font-size: 0.95rem;
    margin: 0;
}

@media (max-width: 540px) {
    .passcode-card {
        padding: 2rem;
    }

    .input-row {
        flex-direction: column;
    }

    button.primary {
        width: 100%;
    }
}