body {
    margin: 0;
    font-family: "Inter", Arial, sans-serif;
    background: #f5f7fa;
}

.layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 200px;
    background: #1f2a40;
    color: #ffffff;
    padding: 20px 10px;
}

.sidebar .title {
    margin-bottom: 30px;
    font-size: 20px;
    font-weight: 600;
    color: #ffffff;   /* MAKE TITLE WHITE */
    display: flex;
    align-items: center;
    gap: 8px;
}


.nav-item {
    display: block;
    padding: 12px 8px;
    margin-bottom: 8px;
    color: #d0d7e2;
    text-decoration: none;
    font-size: 15px;
    border-radius: 6px;
}

.nav-item:hover {
    background: #2b3b57;
    color: #fff;
}

.content {
    flex: 1;
    padding: 30px 40px;
}

.nav-item.active {
    background: #2c80ff;
    color: #ffffff;
    font-weight: 600;
}


/* Section Headers */
h1, h2, h3 {
    margin-top: 20px;
    color: #1c1c1c;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    font-size: 14px;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
}

table thead {
    background: #2c80ff;
    color: #ffffff;
}

table th, table td {
    padding: 12px 14px;
    border-bottom: 1px solid #eee;
    text-align: left;
}

table tbody tr:hover {
    background: #f0f6ff;
}

/* Buttons */
.btn {
    display: inline-block;
    background: #28a745;
    color: white;
    padding: 8px 14px;
    border-radius: 6px;
    text-decoration: none;
    margin: 10px 0;
}

.btn:hover {
    background: #218838;
}

/* Filters */
.filter-section {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 10px;
}

input, select {
    padding: 6px 10px;
    font-size: 14px;
}

/* Tabs */
.tabs {
    margin-top: 25px;
    margin-bottom: 10px;
    display: flex;
    gap: 10px;
}

.tab-btn {
    padding: 10px 18px;
    background: #e4e8f0;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
}

.tab-btn.active {
    background: #2c80ff;
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}


.pagination {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.pagination button {
    padding: 6px 12px;
    background: #2c80ff;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.pagination button:disabled {
    background: #9bb7e1;
    cursor: not-allowed;
}