body {
    font-family: 'Vazirmatn';
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
    overflow-x: hidden;
}

.login-box {
    background: #ffffff;
    border-radius: 16px;
    width: 95%;
    max-width: 420px;
    padding: 35px;
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.25);
    border: 1px solid rgba(0, 212, 255, 0.3);
    animation: fadein .7s ease-out;
}

@keyframes fadein {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.title {
    text-align: center;
    font-weight: 700;
    font-size: 20px;
    margin-bottom: 25px;
}

.input-group-text {
    background: #eef2ff;
}

.show-pass {
    cursor: pointer;
    font-size: 18px;
    color: #6b7280;
}

.show-pass.active {
    color: #2563eb;
}

.footer-link {
    text-align: center;
    margin-top: 16px;
    font-size: 14px;
}

.footer-link a {
    color: #426cf5;
    font-weight: 600;
}

.error-text {
    color: #ef4444;
    font-size: 12px;
    margin-top: 4px;
}

.logo {
    text-align: center;
    margin-bottom: 14px;
}

.logo img {
    width: 75px;
    opacity: 0.9;
}