body {
    margin: 0;
    padding: 0;
    font-family: Tahoma, system-ui, -apple-system, Segoe UI, Roboto, Arial, Helvetica, sans-serif;
    background: #f0f5ff;
}

.topbar {
    position: fixed;
    top: 5px;
    right: 20px;
    padding: 10px;
}

.nav-link {
    background: rgba(0, 0, 0, 0.25);
    color: #fff;
    text-decoration: none;
    padding: 8px 15px;
    border-radius: 10px;
    font-weight: 500;
    margin-left: 10px;
}

.nav-link:hover {
    background: rgba(0, 0, 0, 0.45);
}

.container {
    max-width: 1200px;
    margin: 60px auto 0;
    padding: 20px;
}

h1 {
    margin-bottom: 30px;
    color: #004754;
}

.card {
    min-width: 400px;
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
}

.card h2 {
    margin-top: 0;
    color: #004754; 
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.input {
    width: 100%;
    padding: 10px;
    border: 1px solid #004754;
    border-radius: 5px;
    box-sizing: border-box;
}

.btn {
    display: inline-block;
    background: #004754;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 500;
    text-decoration: none;
}

.btn:hover {
    opacity: 0.8;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

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

th {
    background: #f8fafc;
}

.action-btn {
    padding: 5px 10px;
    border-radius: 3px;
    cursor: pointer;
    margin-right: 5px;
    border: none;
}

.edit-btn {
    background: #f59e0b;
    color: #fff;
}

.delete-btn {
    background: #ef4444;
    color: #fff;
}

.flash {
    padding: 10px 15px;
    border-radius: 5px;
    margin-bottom: 20px;
    display: none;
}

.flash-success {
    background: #10b981;
    color: #fff;
}

.flash-error {
    background: #ef4444;
    color: #fff;
}

.password-container {
    position: relative;
    width: 100%;
}

.password-toggle {
    position: absolute;
    right: 10px;
    top: 10px;
    cursor: pointer;
    color: #666;
}

/* Login page specific styles */
body.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.login-card {
    background: #0b172a;
    color: #e5e7eb;
    border-radius: 16px;
    padding: 20px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 70px rgba(0, 0, 0, 0.25);
}




/* Modal styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.4);
}

.modal-content {
    background-color: #fefefe;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 50%;
    border-radius: 5px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
}

.modal-header {
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.modal-body {
    padding-top: 15px;
}