body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #f5f5f7;
    color: #222;
}

.top-bar {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    background: #1d3557;
    color: #fff;
}

.logo {
    width: 140px;
    height: 60px;
    border-radius: 8px;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    font-weight: bold;
    font-size: 0.9rem;
}

.top-title h1 {
    margin: 0;
    font-size: 1.4rem;
}

.top-title p {
    margin: 0;
    font-size: 0.85rem;
    opacity: 0.8;
}

.top-user {
    margin-left: auto;
    text-align: right;
}

.main-container {
    display: flex;
    min-height: calc(100vh - 80px);
}

.sidebar {
    width: 220px;
    background: #14213d;
    color: #fff;
    padding-top: 15px;
}

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

.sidebar a {
    display: block;
    padding: 10px 16px;
    color: #e5e5e5;
    text-decoration: none;
    font-size: 0.95rem;
}

.sidebar a:hover {
    background: #1f2a4d;
}

.content {
    flex: 1;
    padding: 20px 24px;
}

.card {
    background: #fff;
    border-radius: 12px;
    padding: 16px 20px;
    margin-bottom: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.card h2 {
    margin-top: 0;
}

.btn {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 999px;
    border: none;
    background: #457b9d;
    color: white;
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: none;
}

.btn-secondary {
    background: #adb5bd;
}

.btn-danger {
    background: #e63946;
}

.btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

form .form-row {
    margin-bottom: 10px;
}

form label {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
}

input[type="text"],
input[type="password"],
input[type="date"],
input[type="email"],
select,
textarea {
    width: 100%;
    padding: 6px 8px;
    border-radius: 6px;
    border: 1px solid #ced4da;
    font-size: 0.9rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 8px;
    font-size: 0.9rem;
}

th, td {
    border: 1px solid #dee2e6;
    padding: 6px 8px;
}

th {
    background: #f1f3f5;
}

.footer {
    text-align: center;
    padding: 10px;
    background: #1d3557;
    color: #fff;
    font-size: 0.8rem;
}