/* استایل عمومی */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Tahoma', Arial, sans-serif;
    direction: rtl;
    line-height: 1.6;
    color: #333;
    background: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* صفحه اصلی لندینگ */
.landing-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-align: center;
}

.hero-section {
    padding: 50px 0;
}

.hero-section h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero-section p {
    font-size: 20px;
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-primary {
    background: #4CAF50;
    color: #fff;
}

.btn-primary:hover {
    background: #45a049;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(76, 175, 80, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn-secondary:hover {
    background: #fff;
    color: #667eea;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature {
    background: rgba(255,255,255,0.1);
    padding: 30px;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

/* فرم‌های ورود و ثبت نام */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.auth-box {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    width: 100%;
    max-width: 400px;
}

.auth-box h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #555;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.alert {
    padding: 10px;
    border-radius: 5px;
    margin-bottom: 15px;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.text-center {
    text-align: center;
    margin-top: 20px;
}

.text-center a {
    color: #667eea;
    text-decoration: none;
}

/* داشبورد */
.dashboard {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background: #2c3e50;
    color: #fff;
    padding: 20px;
}

.sidebar h3 {
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid #34495e;
}

.sidebar ul {
    list-style: none;
}

.sidebar ul li {
    margin-bottom: 10px;
}

.sidebar ul li a {
    color: #ecf0f1;
    text-decoration: none;
    display: block;
    padding: 10px;
    border-radius: 5px;
    transition: 0.3s;
}

.sidebar ul li a:hover {
    background: #34495e;
}

.main-content {
    flex: 1;
    padding: 30px;
    background: #f5f5f5;
}

.quick-actions {
    margin-top: 30px;
}

/* پاسخگو */
@media (max-width: 768px) {
    .dashboard {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-section h1 {
        font-size: 32px;
    }
}