@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=Sora:wght@500;600;700&display=swap");

:root {
    --ink: #1a2340;
    --muted: #5b6585;
    --surface: rgba(255, 255, 255, 0.88);
    --surface-border: rgba(255, 255, 255, 0.7);
    --brand: #1b66ff;
    --brand-deep: #1249c4;
    --accent: #ff7c45;
    --ok-bg: #e7f7ef;
    --ok-ink: #13643b;
    --danger-bg: #fff0f0;
    --danger-ink: #a42323;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: "Manrope", sans-serif;
    color: var(--ink);
    background:
        radial-gradient(1100px 480px at -8% -18%, rgba(27, 102, 255, 0.2), transparent 60%),
        radial-gradient(900px 480px at 108% -12%, rgba(255, 124, 69, 0.17), transparent 60%),
        linear-gradient(140deg, #f8fbff 0%, #eef2ff 44%, #edf7ff 100%);
}

.auth-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 28px 18px;
}

.auth-card {
    width: 100%;
    max-width: 470px;
    background: var(--surface);
    border: 1px solid var(--surface-border);
    border-radius: 24px;
    box-shadow: 0 26px 64px rgba(19, 38, 82, 0.15);
    backdrop-filter: blur(8px);
    padding: 30px;
    animation: card-enter 0.5s ease;
}

.auth-title {
    margin: 0 0 10px;
    font-family: "Sora", sans-serif;
    font-size: clamp(1.7rem, 4.2vw, 2.2rem);
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.auth-subtitle {
    margin: 0 0 16px;
    color: var(--muted);
    font-size: 0.96rem;
    line-height: 1.5;
}

.auth-subtitle a {
    color: var(--brand);
    font-weight: 700;
    text-decoration: none;
}

.auth-subtitle a:hover {
    text-decoration: underline;
}

.auth-notice,
.auth-error {
    margin-bottom: 12px;
    border-radius: 12px;
    padding: 10px 12px;
    font-size: 0.9rem;
    border: 1px solid transparent;
}

.auth-notice {
    background: var(--ok-bg);
    color: var(--ok-ink);
    border-color: #c6ead8;
}

.auth-error {
    display: none;
    background: var(--danger-bg);
    color: var(--danger-ink);
    border-color: #f2c7c7;
}

.auth-error.is-visible {
    display: block;
}

.auth-form {
    display: grid;
    gap: 11px;
}

.auth-label {
    font-size: 0.82rem;
    font-weight: 700;
    color: #3f4a6d;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.auth-input {
    width: 100%;
    border: 1px solid #ccd5ef;
    background: #fbfcff;
    border-radius: 12px;
    padding: 12px 13px;
    font-size: 0.95rem;
    color: var(--ink);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.auth-input:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 4px rgba(27, 102, 255, 0.16);
    transform: translateY(-1px);
}

.auth-button {
    margin-top: 8px;
    border: none;
    border-radius: 12px;
    padding: 12px 14px;
    font-family: "Sora", sans-serif;
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: #fff;
    background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
    box-shadow: 0 12px 30px rgba(27, 102, 255, 0.28);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.auth-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 32px rgba(27, 102, 255, 0.32);
    filter: saturate(1.06);
}

.auth-button:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

@keyframes card-enter {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 560px) {
    .auth-card {
        border-radius: 18px;
        padding: 22px 18px;
    }
}