body {
    background-color: #f8f9fa;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Modal styles */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.modal-overlay.show {
    display: block;
    opacity: 1;
}

.custom-modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1001;
    width: 90%;
    max-width: 400px;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}

.custom-modal.show {
    display: block;
    opacity: 1;
}

/* Status messages */
.status-message {
    padding: 15px;
    margin: 10px 0;
    border-radius: 4px;
    text-align: center;
    font-weight: 500;
}

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

.status-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

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

.alert {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 6px;
    font-weight: bold;
    color: #fff;
    z-index: 9999;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.alert.success {
    background-color: #4CAF50;
}

.alert.error {
    background-color: #F44336;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.modal-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 500;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    color: #666;
}

.modal-close:hover {
    color: #333;
}

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

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding-top: 15px;
    border-top: 1px solid #dee2e6;
}

/* Form styles */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
}

.form-control:focus {
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

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

.check-in-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-check-in {
    background-color: #28a745;
    color: white;
    font-size: 1.25rem;
    padding: 0.75rem 1.5rem;
    width: 100%;
    margin-top: 1rem;
}

.check-in-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.status-message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 5px;
    text-align: center;
    font-weight: bold;
}

.status-on-time {
    background-color: #d4edda;
    color: #155724;
}

.status-early {
    background-color: #cce5ff;
    color: #004085;
}

.status-late {
    background-color: #f8d7da;
    color: #721c24;
}

.time {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

.employee-selection {
    margin-bottom: 1.5rem;
}

.tabs {
    display: flex;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid #dee2e6;
}

.tab {
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
}

.tab.active {
    border-bottom: 2px solid #007bff;
    color: #007bff;
    font-weight: bold;
}

.tab-content {
    display: none;
}

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

.qr-code-container {
    text-align: center;
    margin: 1rem 0;
}

.qr-code-container img {
    max-width: 200px;
    margin: 0 auto;
}

.employee-qr-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.employee-qr-card {
    border: 1px solid #dee2e6;
    border-radius: 0.5rem;
    padding: 0.75rem;
    text-align: center;
}

.employee-qr-card img {
    max-width: 100%;
    margin-bottom: 0.5rem;
}

.employee-qr-name {
    font-size: 0.875rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.loader {
    display: inline-block;
    width: 80px;
    height: 80px;
}

.loader:after {
    content: " ";
    display: block;
    width: 64px;
    height: 64px;
    margin: 8px;
    border-radius: 50%;
    border: 6px solid #007bff;
    border-color: #007bff transparent #007bff transparent;
    animation: loader 1.2s linear infinite;
}

@keyframes loader {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.error-container {
    padding: 20px;
    background-color: #f8d7da;
    color: #721c24;
    border-radius: 5px;
    margin-bottom: 20px;
}

.admin-panel {
    background: white;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 2rem;
}

.admin-sidebar {
    padding: 1rem;
    min-height: calc(100vh - 120px);
}

.admin-nav-link {
    padding: 0.75rem 1rem;
    border-radius: 5px;
    display: block;
    margin-bottom: 0.5rem;
    text-decoration: none;
    color: #333;
}

.admin-nav-link:hover,
.admin-nav-link.active {
    background-color: #f0f0f0;
    color: #007bff;
}