:root {
    --bg: #081026;
    --card: rgba(10, 25, 63, 0.84);
    --text: #eaf1ff;
    --muted: #b7c9eb;
    --primary: #ff8f3d;
    --primary-dark: #ff5e36;
    --border: rgba(168, 193, 239, 0.22);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    min-height: 100vh;
    font-family: 'Sora', sans-serif;
    line-height: 1.55;
    color: var(--text);
    background:
        radial-gradient(circle at 5% 18%, rgba(58, 209, 201, 0.16), transparent 32%),
        radial-gradient(circle at 92% 4%, rgba(255, 143, 61, 0.2), transparent 36%),
        linear-gradient(150deg, #030814 0%, var(--bg) 47%, #153674 100%);
    display: grid;
    place-items: center;
    padding: 20px;
}

.auth-shell {
    width: min(980px, 100%);
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--border);
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: rgba(8, 20, 48, 0.72);
    backdrop-filter: blur(12px);
}

.auth-promo,
.auth-form-wrap {
    padding: 38px 34px;
}

.auth-promo {
    background: linear-gradient(140deg, rgba(255, 143, 61, 0.16), rgba(58, 209, 201, 0.14));
    border-right: 1px solid var(--border);
}

.eyebrow {
    text-transform: uppercase;
    font-size: 0.77rem;
    letter-spacing: 0.11em;
    color: #87f3db;
    margin-bottom: 10px;
    font-weight: 700;
}

.auth-promo h1 {
    font-size: clamp(1.7rem, 2.3vw, 2.4rem);
    margin-bottom: 12px;
    line-height: 1.2;
}

.auth-promo p {
    color: var(--muted);
    line-height: 1.7;
}

.link-back {
    margin-top: 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #ffd6b5;
    text-decoration: none;
    font-weight: 600;
}

.auth-form-wrap h2 {
    font-size: 1.6rem;
}

.subtext {
    margin-top: 5px;
    color: var(--muted);
}

.alert {
    margin-top: 14px;
    padding: 11px 12px;
    border-radius: 10px;
    font-size: 0.9rem;
    border: 1px solid transparent;
}

.alert-success {
    background: rgba(77, 216, 176, 0.17);
    border-color: rgba(77, 216, 176, 0.45);
}

.alert-error {
    background: rgba(255, 99, 99, 0.16);
    border-color: rgba(255, 99, 99, 0.42);
}

.auth-form {
    margin-top: 16px;
    display: grid;
    gap: 10px;
}

.auth-form label {
    font-size: 0.9rem;
    color: #d5e2ff;
}

.auth-form input {
    width: 100%;
    border: 1px solid var(--border);
    background: rgba(17, 38, 83, 0.58);
    color: var(--text);
    border-radius: 10px;
    padding: 11px 12px;
    font-family: 'Sora', sans-serif;
    font-size: 0.95rem;
    line-height: 1.25;
}

.auth-form input:focus {
    outline: none;
    border-color: rgba(255, 143, 61, 0.66);
    box-shadow: 0 0 0 3px rgba(255, 143, 61, 0.18);
}

.auth-form button {
    margin-top: 8px;
    border: none;
    border-radius: 11px;
    padding: 12px;
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    font-family: 'Sora', sans-serif;
    font-size: 0.95rem;
    line-height: 1.25;
    background: linear-gradient(120deg, var(--primary), var(--primary-dark));
}

.switch {
    margin-top: 14px;
    font-size: 0.95rem;
    color: var(--muted);
}

.switch a {
    color: #ffd0a9;
    text-decoration: none;
    font-weight: 600;
}

@media (max-width: 860px) {
    .auth-shell {
        grid-template-columns: 1fr;
    }

    .auth-promo {
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
}