:root {
    --auth-bg: #f2eee6;
    --auth-ink: #1f2933;
    --auth-soft: #52606d;
    --auth-line: rgba(31, 41, 51, 0.12);
    --auth-brand: #0f766e;
    --auth-brand-strong: #115e59;
    --auth-danger: #b42318;
    --auth-danger-soft: #fee4e2;
    --auth-surface: rgba(255, 255, 255, 0.88);
    --auth-shadow: 0 26px 60px rgba(31, 41, 51, 0.14);
}

* {
    box-sizing: border-box;
}

body.auth-page {
    margin: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 28px;
    background:
        radial-gradient(circle at top left, rgba(15, 118, 110, 0.16), transparent 28%),
        radial-gradient(circle at bottom right, rgba(180, 131, 61, 0.12), transparent 32%),
        linear-gradient(160deg, var(--auth-bg), #fbf8f2);
    font-family: IRANSans, Arial, sans-serif;
    color: var(--auth-ink);
}

.auth-shell {
    width: min(1040px, 100%);
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 440px);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: 34px;
    overflow: hidden;
    background: var(--auth-surface);
    box-shadow: var(--auth-shadow);
    backdrop-filter: blur(16px);
}

.auth-panel,
.auth-form {
    padding: 36px;
}

.auth-panel {
    background:
        radial-gradient(circle at top right, rgba(204, 251, 241, 0.8), transparent 38%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.66), rgba(255, 255, 255, 0.88));
}

.auth-eyebrow {
    margin-bottom: 14px;
    color: var(--auth-brand-strong);
    font-size: 12px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.auth-panel h1 {
    margin: 0;
    font-size: 38px;
    line-height: 1.15;
}

.auth-panel p {
    margin: 16px 0 0;
    color: var(--auth-soft);
    line-height: 1.9;
}

.auth-points {
    display: grid;
    gap: 14px;
    margin-top: 28px;
}

.auth-point {
    padding: 16px 18px;
    border: 1px solid var(--auth-line);
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.72);
}

.auth-point strong {
    display: block;
    margin-bottom: 6px;
}

.auth-form h2 {
    margin: 0 0 10px;
    font-size: 28px;
}

.auth-form p {
    margin: 0 0 24px;
    color: var(--auth-soft);
    line-height: 1.8;
}

.auth-alert {
    margin-bottom: 18px;
    padding: 14px 16px;
    border-radius: 16px;
    background: var(--auth-danger-soft);
    color: var(--auth-danger);
    line-height: 1.7;
}

.auth-grid {
    display: grid;
    gap: 16px;
}

.auth-field {
    display: grid;
    gap: 8px;
}

.auth-field label {
    font-size: 14px;
    font-weight: 700;
}

.auth-field small {
    color: var(--auth-soft);
    line-height: 1.7;
}

.auth-field input {
    width: 100%;
    min-height: 50px;
    border: 1px solid rgba(31, 41, 51, 0.14);
    border-radius: 16px;
    padding: 0 14px;
    font-family: inherit;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.92);
}

.auth-field input:focus {
    outline: none;
    border-color: rgba(15, 118, 110, 0.6);
    box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.12);
}

.auth-button,
.auth-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    padding: 0 18px;
    border-radius: 16px;
    font-size: 14px;
    font-weight: 700;
}

.auth-button {
    border: 0;
    background: linear-gradient(135deg, var(--auth-brand), var(--auth-brand-strong));
    color: #ffffff;
    cursor: pointer;
}

.auth-link {
    border: 1px solid var(--auth-line);
    color: var(--auth-ink);
    text-decoration: none;
}

.auth-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 8px;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 900px) {
    .auth-shell {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    body.auth-page {
        padding: 16px;
    }

    .auth-panel,
    .auth-form {
        padding: 24px;
    }

    .auth-panel h1 {
        font-size: 30px;
    }
}