* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

/* Login Page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 40px);
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    color: #333;
    margin-bottom: 10px;
    font-size: 28px;
}

.subtitle {
    color: #666;
    margin-bottom: 30px;
    font-size: 14px;
}

/* Dashboard */
.dashboard-container {
    max-width: 1200px;
    margin: 0 auto;
}

.dashboard-header {
    background: white;
    padding: 20px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.dashboard-header h1 {
    color: #333;
    font-size: 24px;
}

.dashboard-main {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    padding: 30px;
}

.card {
    width: 100%;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #667eea;
}

.card-header h2 {
    color: #333;
    font-size: 22px;
    margin: 0;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
    transform: translateY(-2px);
}

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
}

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

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

/* Current Data Display */
.current-data {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid #e0e0e0;
}

.current-data h3 {
    color: #333;
    margin-bottom: 15px;
    font-size: 18px;
}

.data-display {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 6px;
}

.data-display p {
    margin-bottom: 10px;
    color: #333;
    font-size: 14px;
}

.data-display p:last-child {
    margin-bottom: 0;
}

.data-display strong {
    color: #667eea;
    margin-right: 10px;
}

/* Table */
.table-container {
    overflow-x: auto;
    margin-top: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    background: white;
}

.data-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 0;
    background: white;
}

.data-table thead {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table th {
    padding: 16px 20px;
    text-align: left;
    font-weight: 600;
    color: white;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
}

.data-table th:first-child {
    border-top-left-radius: 8px;
}

.data-table th:last-child {
    border-top-right-radius: 8px;
}

.data-table tbody {
    background: white;
}

.data-table td {
    padding: 16px 20px;
    border-bottom: 1px solid #f0f0f0;
    color: #333;
    font-size: 14px;
    vertical-align: middle;
}

.data-table tbody tr {
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.data-table tbody tr:hover {
    background: #f8f9ff;
    border-left-color: #667eea;
    transform: translateX(2px);
    box-shadow: 0 2px 4px rgba(102, 126, 234, 0.1);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:last-child td:first-child {
    border-bottom-left-radius: 8px;
}

.data-table tbody tr:last-child td:last-child {
    border-bottom-right-radius: 8px;
}

.data-table tbody tr:nth-child(even) {
    background: #fafbff;
}

.data-table tbody tr:nth-child(even):hover {
    background: #f8f9ff;
}

.data-table .actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.data-table td:first-child {
    font-weight: 600;
    color: #667eea;
    font-size: 15px;
}

.data-table td:nth-child(2) {
    font-family: 'Courier New', monospace;
    font-weight: 500;
    color: #2c3e50;
}

.data-table td:nth-child(3) {
    color: #555;
    font-weight: 500;
}

.empty-state {
    text-align: center;
    color: #999;
    padding: 60px 40px !important;
    font-style: italic;
    font-size: 15px;
    background: #fafafa;
    border-radius: 8px;
}

.empty-state::before {
    content: "📋";
    display: block;
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.5;
}

.btn-small {
    padding: 8px 16px;
    font-size: 12px;
    font-weight: 600;
    border-radius: 5px;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-small.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 0 2px 4px rgba(102, 126, 234, 0.3);
}

.btn-small.btn-primary:hover {
    box-shadow: 0 4px 8px rgba(102, 126, 234, 0.4);
    transform: translateY(-1px);
}

.btn-small.btn-danger {
    background: #dc3545;
    box-shadow: 0 2px 4px rgba(220, 53, 69, 0.3);
}

.btn-small.btn-danger:hover {
    background: #c82333;
    box-shadow: 0 4px 8px rgba(220, 53, 69, 0.4);
    transform: translateY(-1px);
}

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

.modal-content {
    background-color: white;
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    border-bottom: 1px solid #e0e0e0;
}

.modal-header h3 {
    color: #333;
    font-size: 20px;
    margin: 0;
}

.close {
    color: #999;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 20px;
}

.close:hover {
    color: #333;
}

.modal-content .data-form {
    padding: 30px;
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .card-header .btn {
        width: 100%;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .data-table {
        font-size: 13px;
    }
    
    .data-table th {
        padding: 12px 10px;
        font-size: 11px;
    }
    
    .data-table td {
        padding: 12px 10px;
    }
    
    .data-table .actions {
        flex-direction: column;
        gap: 6px;
    }
    
    .btn-small {
        width: 100%;
        padding: 10px;
    }
    
    .modal-content {
        width: 95%;
        margin: 20px;
    }
}