:root {
    --primary: #6a1b9a;
    --primary-light: #9c27b0;
    --secondary: #ffd700;
    --secondary-light: #ffeb3b;
    --dark: #1a1a1a;
    --light: #ffffff;
    --gray: #f5f5f5;
    --text: #333333;
    --radius: 12px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --transition: all 0.2s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Vazir', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--gray);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.arian-login-box {
    background-color: var(--light);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    width: 400px;
    max-width: 95%;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.arian-login-logo {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.arian-login-logo img {
    height: 80px;
    margin-bottom: 15px;
}

.arian-login-logo-text {
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 700;
}

.arian-login-title {
    color: var(--primary);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 30px;
    position: relative;
}

.arian-login-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 2px;
}

.arian-login-form input[type="text"],
.arian-login-form input[type="password"] {
    width: 100%;
    padding: 15px 15px;
    border: 1px solid #ddd;
    border-radius: var(--radius);
    font-size: 1rem;
    margin-bottom: 15px;
    transition: var(--transition);
}

.arian-login-form input[type="text"]:focus,
.arian-login-form input[type="password"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(106, 27, 154, 0.2);
    outline: none;
}

.arian-login-form input[type="submit"] {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 10px;
}

.arian-login-form input[type="submit"]:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(106, 27, 154, 0.2);
}

.arian-login-error {
    color: #f44336;
    margin-bottom: 20px;
    font-size: 1rem;
    background-color: rgba(244, 67, 54, 0.1);
    padding: 10px;
    border-radius: var(--radius);
}

.arian-access-denied {
    color: #f44336;
    margin-bottom: 20px;
    font-size: 1.1rem;
    font-weight: bold;
    background-color: rgba(244, 67, 54, 0.1);
    padding: 15px;
    border-radius: var(--radius);
}

.arian-back-btn {
    position: absolute;
    top: 15px;
    left: 15px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    color: white;
    border: none;
    border-radius: var(--radius);
    padding: 8px 20px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 10;
}

.arian-back-btn:hover {
    background: linear-gradient(90deg, var(--primary-light), var(--primary));
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(106, 27, 154, 0.2);
}

/* Password visibility toggle */
.password-wrapper {
    position: relative;
    width: 100%;
}

.password-toggle {
    position: absolute;
    top: 50%;
    left: 15px;
    transform: translateY(-50%);
    cursor: pointer;
    color: #777;
    transition: var(--transition);
    background: none;
    border: none;
    padding: 0;
}

.password-toggle:hover {
    color: var(--primary);
}

/* Responsive Design */
@media (max-width: 576px) {
    .arian-login-box {
        padding: 30px 20px;
        width: 90%;
    }
    
    .arian-login-title {
        font-size: 1.5rem;
    }
    
    .arian-login-logo img {
        height: 60px;
    }
    
    .arian-login-logo-text {
        font-size: 1.3rem;
    }
    
    .arian-login-form input[type="text"],
    .arian-login-form input[type="password"],
    .arian-login-form input[type="submit"] {
        padding: 12px 15px;
        font-size: 0.95rem;
    }
    
    .arian-back-btn {
        padding: 6px 15px;
        font-size: 0.9rem;
        top: 10px;
        left: 10px;
    }
}