.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 50% 42%, rgba(178, 75, 240, 0.22), transparent 45%),
        radial-gradient(circle at 12% 85%, rgba(38, 255, 110, 0.12), transparent 40%),
        radial-gradient(circle at 88% 80%, rgba(139, 21, 201, 0.16), transparent 40%),
        linear-gradient(180deg, #0b0512 0%, #05030a 55%, #030106 100%);
}

.auth-wrap {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 400px;
    padding-top: 46px;
    animation: sh-in-scale 0.6s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.auth-floating-logo {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: sh-logo-breathe 4.5s ease-in-out infinite;
    filter: drop-shadow(0 14px 22px rgba(0, 0, 0, 0.55));
}

.auth-floating-logo .brand-logo {
    font-size: 2.15rem;
    padding: 14px 26px;
    border-radius: 999px;
    background: var(--sh-metal-bg);
    border: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: var(--sh-metal-shadow), 0 0 40px rgba(38, 255, 110, 0.18);
}

@keyframes sh-logo-breathe {
    0%, 100% { transform: translateX(-50%) translateY(0) scale(1); }
    50% { transform: translateX(-50%) translateY(-6px) scale(1.055); }
}

.auth-card {
    position: relative;
    z-index: 1;
    width: 100%;
    background: var(--sh-metal-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 22px;
    padding: 52px 32px 36px;
    box-shadow: var(--sh-metal-shadow), 0 30px 80px rgba(0, 0, 0, 0.55);
    -webkit-box-reflect: below 10px linear-gradient(to bottom, rgba(0,0,0,0) 25%, rgba(255,255,255,0.16) 75%, rgba(38,255,110,0.22) 100%);
}

.auth-card::before {
    content: '';
    position: absolute;
    left: 8%;
    right: 8%;
    top: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.auth-subtitle {
    text-align: center;
    color: var(--sh-text-muted);
    font-size: 0.88rem;
    margin-bottom: 28px;
}

.auth-card .btn {
    width: 100%;
    margin-top: 8px;
}

.auth-footer-link {
    text-align: center;
    margin-top: 20px;
    font-size: 0.82rem;
}