body {
    margin: 0;
    font-family: 'Vazirmatn', sans-serif;
    background: #f4f6f9;
    display: flex;
    height: 100vh;
}

.sidebar {
    width: 250px;
    background: #2d3436;
    color: white;
    padding: 20px;
}

.sidebar h2 { margin-bottom: 30px; font-size: 1.5rem; }

.sidebar ul { list-style: none; padding: 0; }
.sidebar ul li {
    padding: 12px 15px;
    cursor: pointer;
    border-radius: 8px;
    transition: 0.3s;
}

.sidebar ul li:hover, .sidebar ul li.active {
    background: #0984e3;
}

.main-content {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.stat-card {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.form-container {
    background: white;
    padding: 30px;
    border-radius: 10px;
    max-width: 800px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.form-group { margin-bottom: 15px; }
.form-group label { display: block; margin-bottom: 5px; font-weight: bold; }

input, select, textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
}

.btn-primary {
    background: #0984e3;
    color: white;
    border: none;
    padding: 10px 30px;
    border-radius: 5px;
    cursor: pointer;
}

.btn-secondary {
    background: #6c5ce7;
    color: white;
    border: none;
    padding: 8px 20px;
    border-radius: 5px;
    cursor: pointer;
}

.tab-content { display: none; }
.tab-content.active { display: block; }

.progress-bar {
    width: 100%;
    height: 8px;
    background: #eee;
    margin-top: 10px;
    border-radius: 4px;
}
.progress {
    width: 0%;
    height: 100%;
    background: #00b894;
    border-radius: 4px;
    transition: width 0.3s;
}