:root {
    --auth-red: #e30613;
    --auth-red-dark: #b5050f;
    --auth-ink: #111827;
    --auth-muted: #6b7280;
    --auth-card: #ffffff;
    --auth-line: #e5e7eb;
    --auth-bg: #f4f6fb;
    --auth-shadow: 0 20px 55px rgba(15, 23, 42, 0.10);
}

body.auth {
    min-height: 100vh;
    background:
        radial-gradient(900px 320px at 15% 10%, rgba(227, 6, 19, 0.10), transparent 60%),
        radial-gradient(900px 320px at 85% 0%, rgba(15, 118, 110, 0.08), transparent 55%),
        linear-gradient(180deg, #ffffff 0%, var(--auth-bg) 60%, #eef2f7 100%);
    color: var(--auth-ink);
}

.auth-shell {
    padding: 22px 0 50px;
}

.auth-grid {
    display: grid;
    grid-template-columns: minmax(0, 520px) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
}

.auth-card {
    background: var(--auth-card);
    border: 1px solid var(--auth-line);
    border-radius: 16px;
    box-shadow: var(--auth-shadow);
    overflow: hidden;
}

.auth-card-head {
    padding: 18px 18px 14px;
    border-top: 4px solid var(--auth-red);
    border-bottom: 1px solid #eef2f6;
    text-align: center;
}

.auth-logo {
    width: 72px;
    height: 72px;
    object-fit: contain;
    border-radius: 50%;
    border: 2px solid #f3c9cc;
    padding: 8px;
    background: #fff;
    margin: 0 auto 10px;
    display: block;
}

.auth-title {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: var(--auth-red);
}

.auth-subtitle {
    margin: 6px 0 0;
    color: var(--auth-muted);
    font-size: 0.95rem;
}

.auth-card-body {
    padding: 18px;
}

.auth-label {
    font-weight: 700;
    font-size: 0.9rem;
    color: #374151;
}

.auth-input-group {
    position: relative;
}

.auth-input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #9ca3af;
    pointer-events: none;
}

.auth-input {
    padding-left: 38px;
    border-radius: 10px;
    border: 1px solid #d1d5db;
    min-height: 44px;
    background: #fff;
}

.auth-input:focus {
    border-color: var(--auth-red);
    box-shadow: 0 0 0 0.2rem rgba(227, 6, 19, 0.18);
}

.auth-btn {
    border-radius: 10px;
    min-height: 46px;
    font-weight: 800;
    letter-spacing: 0.01em;
    background: var(--auth-red);
    border-color: var(--auth-red);
}

.auth-btn:hover {
    background: var(--auth-red-dark);
    border-color: var(--auth-red-dark);
}

.auth-muted-link {
    color: var(--auth-red);
    font-weight: 700;
    text-decoration: none;
}

.auth-muted-link:hover {
    text-decoration: underline;
}

.feature-wrap {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.feature-card {
    padding: 16px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.70);
    border: 1px solid rgba(229, 231, 235, 0.9);
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
    transition: transform .15s ease, box-shadow .15s ease;
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.10);
}

.feature-icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(227, 6, 19, 0.10);
    color: var(--auth-red);
    margin-bottom: 10px;
    font-size: 1.05rem;
}

.feature-title {
    margin: 0 0 6px;
    font-weight: 800;
    font-size: 1rem;
    color: #111827;
}

.feature-text {
    margin: 0;
    color: var(--auth-muted);
    font-size: 0.9rem;
    line-height: 1.35;
}

@media (max-width: 992px) {
    .auth-grid {
        grid-template-columns: 1fr;
    }

    .feature-wrap {
        grid-template-columns: 1fr;
    }
}