body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f6f9;
    display: flex;
}

/* Sol Menü Tasarımı */
.sidebar {
    width: 300px;
    background-color: #1e293b;
    height: 100vh;
    position: fixed;
    overflow-y: auto;
    color: #cbd5e1;
}

.sidebar-brand {
    padding: 20px;
    background-color: #0f172a;
    text-align: center;
}

.sidebar-brand h3 {
    margin: 0;
    color: #38bdf8;
}

.sidebar-brand p {
    margin: 5px 0 0 0;
    font-size: 12px;
    color: #64748b;
}

.search-box {
    padding: 15px;
}

.search-box input {
    width: 100%;
    padding: 8px 12px;
    background-color: #334155;
    border: 1px solid #475569;
    border-radius: 6px;
    color: #fff;
    box-sizing: border-box;
}

.menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.menu-list li a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    color: #94a3b8;
    text-decoration: none;
    font-size: 14px;
    border-bottom: 1px solid #334155;
    transition: all 0.2s;
}

.menu-list li a:hover, .menu-list li.active a {
    background-color: #334155;
    color: #fff;
}

.menu-list li.active a {
    border-left: 4px solid #38bdf8;
    background-color: #0f172a;
}

.badge-buy {
    font-size: 10px;
    background-color: #10b981;
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
}

/* Sağ İçerik Alanı */
.main-content {
    margin-left: 300px;
    padding: 40px;
    width: calc(100% - 300px);
    box-sizing: border-box;
}

.doc-card {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}