/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: #333;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    cursor: pointer;
}

input, select, textarea {
    font-family: inherit;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-10 {
    margin-top: 10px;
}

.mt-20 {
    margin-top: 20px;
}

.mb-10 {
    margin-bottom: 10px;
}

.mb-20 {
    margin-bottom: 20px;
}

.ml-10 {
    margin-left: 10px;
}

.mr-10 {
    margin-right: 10px;
}

.p-10 {
    padding: 10px;
}

.p-20 {
    padding: 20px;
}

.pt-10 {
    padding-top: 10px;
}

.pb-10 {
    padding-bottom: 10px;
}

.pl-10 {
    padding-left: 10px;
}

.pr-10 {
    padding-right: 10px;
}

.flex {
    display: flex;
}

.flex-column {
    flex-direction: column;
}

.justify-center {
    justify-content: center;
}

.align-center {
    align-items: center;
}

.space-between {
    justify-content: space-between;
}

.w-full {
    width: 100%;
}

.h-full {
    height: 100%;
}

.hidden {
    display: none;
}

.visible {
    display: block;
}

/* Alert Styles */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Button Styles */
.btn {
    display: inline-block;
    padding: 8px 15px;
    border-radius: 4px;
    text-align: center;
    transition: all 0.3s;
}

.btn-primary {
    background-color: #3498db;
    color: white;
}

.btn-primary:hover {
    background-color: #2980b9;
}

.btn-success {
    background-color: #2ecc71;
    color: white;
}

.btn-success:hover {
    background-color: #27ae60;
}

.btn-danger {
    background-color: #e74c3c;
    color: white;
}

.btn-danger:hover {
    background-color: #c0392b;
}

.btn-warning {
    background-color: #f39c12;
    color: white;
}

.btn-warning:hover {
    background-color: #e67e22;
}

.btn-info {
    background-color: #17a2b8;
    color: white;
}

.btn-info:hover {
    background-color: #138496;
}

.btn-light {
    background-color: #f8f9fa;
    color: #212529;
    border: 1px solid #ddd;
}

.btn-light:hover {
    background-color: #e2e6ea;
}

.btn-dark {
    background-color: #343a40;
    color: white;
}

.btn-dark:hover {
    background-color: #23272b;
}

/* Form Styles */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

.form-control {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.form-control:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 0.2rem rgba(52, 152, 219, 0.25);
}

/* Table Styles */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.table th,
.table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.table th {
    background-color: #f2f2f2;
    font-weight: bold;
}

.table-striped tbody tr:nth-child(odd) {
    background-color: rgba(0, 0, 0, 0.05);
}

.table-hover tbody tr:hover {
    background-color: rgba(0, 0, 0, 0.075);
}

.table-bordered {
    border: 1px solid #ddd;
}

.table-bordered th,
.table-bordered td {
    border: 1px solid #ddd;
}

/* Card Styles */
.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 20px;
}

.card-header {
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.card-title {
    margin: 0;
    font-size: 18px;
    color: #2c3e50;
}

.card-body {
    padding: 0;
}

.card-footer {
    border-top: 1px solid #eee;
    padding-top: 10px;
    margin-top: 15px;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: white;
    margin: 10% auto;
    padding: 20px;
    border-radius: 8px;
    width: 80%;
    max-width: 600px;
}

.modal-header {
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
    margin-bottom: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    margin: 0;
    font-size: 18px;
    color: #2c3e50;
}

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

.close:hover {
    color: black;
}

.modal-body {
    margin-bottom: 15px;
}

.modal-footer {
    border-top: 1px solid #eee;
    padding-top: 10px;
    margin-top: 15px;
    display: flex;
    justify-content: flex-end;
}

/* Responsive Styles */
@media (max-width: 768px) {
    .table {
        font-size: 14px;
    }
    
    .table th,
    .table td {
        padding: 8px 10px;
    }
    
    .modal-content {
        width: 95%;
        margin: 5% auto;
    }
}