:root {
    --glass-bg: rgba(255,255,255,0.08);
    --glass-border: rgba(255,255,255,0.15);
    --neon: #00ffd5;
    --text-primary: #ffffff;
    --text-secondary: #cbd5e1;
}

/* کارت لاگین */
.login-card {
    width: 100%;
    max-width: 420px;
    background: var(--glass-bg);
    backdrop-filter: blur(25px) saturate(180%);
    -webkit-backdrop-filter: blur(25px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    color: var(--text-primary);
    text-align: center;
    transition: all 0.4s ease;
    animation: fadeIn 0.8s ease;
    margin-top: 50px;
}

/* هدر */
.login-header h1 {
    color: var(--neon);
    font-weight: 800;
}

.login-header p {
    color: var(--text-secondary);
}

/* input ها */
.form-control {
    background: rgba(255,255,255,0.12);
    border: 1px solid var(--glass-border);
    color: white;
    border-radius: 15px;
    padding: 12px;
    transition: all 0.3s ease;
}

.form-control:focus {
    background: rgba(255,255,255,0.18);
    border-color: var(--neon);
    box-shadow: 0 0 0 4px rgba(0,255,213,0.2);
    color: white;
}

/* دکمه */
.btn-submit {
    background: linear-gradient(135deg, #00ffd5, #00d4ff);
    border: none;
    color: black;
    font-weight: bold;
    border-radius: 20px;
    padding: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,255,213,0.4);
}

/* remember / forgot */
.remember-me {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.forgot-link {
    font-size: 0.9rem;
    color: var(--neon);
    text-decoration: none;
}

/* انیمیشن */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 768px) {
    .login-card {

    margin-top: 100px;
}

}