:root {
    --primary-color: #2c5aa0;
    --secondary-color: #4a6fa5;
    --accent-color: #ff9800;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --border-radius: 10px;
}

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

body {
    background-color: #f5f7fa;
    color: var(--dark-color);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* هدر و نویگیشن */
header {
    background-color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

    .logo i {
        color: var(--accent-color);
    }

.nav-links {
    display: flex;
    list-style: none;
    gap: 25px;
}

    .nav-links a {
        text-decoration: none;
        color: var(--dark-color);
        font-weight: 500;
        transition: color 0.3s;
        display: flex;
        align-items: center;
        gap: 5px;
        padding: 5px 0;
        position: relative;
    }

        .nav-links a:hover {
            color: var(--primary-color);
        }

        .nav-links a.active {
            color: var(--primary-color);
        }

            .nav-links a.active::after {
                content: '';
                position: absolute;
                bottom: 0;
                right: 0;
                width: 100%;
                height: 2px;
                background-color: var(--primary-color);
            }

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* صفحات */
.page {
    padding: 30px 0;
    min-height: calc(100vh - 120px);
}

.page-title {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #eee;
    color: var(--primary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* دکمه‌ها */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

    .btn-primary:hover {
        background-color: var(--secondary-color);
        color: white;
    }

.btn-secondary {
    background-color: #eee;
    color: var(--dark-color);
}

    .btn-secondary:hover {
        background-color: #ddd;
    }

.btn-accent {
    background-color: var(--accent-color);
    color: white;
}

    .btn-accent:hover {
        background-color: #e68900;
        color: white;
    }

/* فوتر */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 30px 0;
    margin-top: 50px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* واکنشگرا */
@media (max-width: 768px) {
    .nav-links {
        gap: 15px;
        font-size: 0.9rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .navbar {
        flex-direction: column;
        gap: 15px;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}