:root {
    --auth-bg: #050505;
    --card-bg: rgba(15, 15, 15, 0.9);
    --input-bg: #000000;
    --border-color: #222222;
    --accent-glow: rgba(245, 185, 0, 0.2);
}

.auth-portal {
    position: relative;
    padding: 80px 0;
    background-color: var(--auth-bg);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.auth-portal::before,
.auth-portal::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    z-index: 1;
    filter: blur(80px);
    animation: ambientFloat 10s infinite alternate ease-in-out;
}

.auth-portal::before {
    top: -10%;
    left: -10%;
}

.auth-portal::after {
    bottom: -10%;
    right: -10%;
    animation-delay: -5s;
}

@keyframes ambientFloat {
    from {
        transform: translate(0, 0);
    }

    to {
        transform: translate(50px, 50px);
    }
}

.auth-card {
    position: relative;
    z-index: 10;
    max-width: 450px;
    width: 100%;
    background: var(--card-bg);
    backdrop-filter: blur(15px);
    padding: 50px 40px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.8);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.auth-card:hover {
    border-color: var(--primary-color);
}

.field-group {
    position: relative;
    margin-bottom: 25px;
}

.field-group input,
.field-group select {
    width: 100%;
    padding: 16px 20px;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    color: #ffffff;
    border-radius: 6px;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s ease;
}

.field-group input:focus,
.field-group select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 15px var(--accent-glow);
    background: #080808;
}

.password-container {
    position: relative;
}

.toggle-eye {
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    font-size: 1.2rem;
    opacity: 0.5;
    transition: 0.3s;
    user-select: none;
}

.toggle-eye:hover {
    opacity: 1;
    color: var(--primary-color);
    filter: drop-shadow(0 0 5px var(--primary-color));
}

.btn-auth {
    width: 100%;
    padding: 18px;
    background: var(--primary-color);
    color: var(--text-on-primary);
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: 0.3s;
}

.btn-auth:hover {
    letter-spacing: 4px;
    background: #ffffff;
    color: #000000;
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.4);
}

.auth-switch {
    text-align: center;
    margin-top: 25px;
    color: #888;
    font-size: 0.9rem;
}

.auth-switch span {
    color: var(--primary-color);
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
    text-decoration: none;
    padding-left: 5px;
}

.auth-switch span:hover {
    text-shadow: 0 0 10px var(--primary-color);
    text-decoration: underline;
}

@media (max-width: 768px) {
    .auth-portal {
        padding: 40px 15px;
    }

    .auth-card {
        padding: 40px 25px;
        margin: 0;
    }

    .main-title {
        font-size: 1.8rem;
    }

    .btn-auth {
        padding: 16px;
        font-size: 0.9rem;
    }
}