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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

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

header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

header h1 {
    font-size: 2.5rem;
    font-weight: 300;
    letter-spacing: 2px;
}

.data-section {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.data-section h2 {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.8rem;
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
}

.controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.pagination-info {
    font-weight: 500;
    color: #666;
}

.table-container {
    overflow-x: auto;
    margin-bottom: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

th {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 1px;
}

tr:hover {
    background-color: #f8f9fa;
}

tr:nth-child(even) {
    background-color: #fafafa;
}

tr:nth-child(even):hover {
    background-color: #f0f0f0;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
}

.page-number {
    padding: 8px 12px;
    border: 1px solid #ddd;
    background: white;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.page-number:hover {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.page-number.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

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

.error {
    background: #ffebee;
    color: #c62828;
    padding: 15px;
    border-radius: 5px;
    margin: 20px 0;
    border-left: 4px solid #c62828;
}

.hidden {
    display: none !important;
}

/* Print button styles */
.print-btn {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s ease;
}

.print-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Modal styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.modal-content {
    background: white;
    border-radius: 10px;
    max-width: 90%;
    max-height: 90%;
    overflow: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

.modal-header h3 {
    margin: 0;
    color: #333;
}

.close-btn {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #666;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.modal-body {
    padding: 20px;
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
}

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

.btn-secondary:hover {
    background: #5a6268;
}

/* Print preview styles */
.print-preview {
    width: 400px;
    height: 608px;
    border: 2px solid #ddd;
    margin: 0 auto;
    background: white;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.print-content {
    padding: 30px;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-sizing: border-box;
}

.print-header {
    text-align: center;
    margin-bottom: 0px;
}

.print-title {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    margin-bottom: 10px;
    line-height: 1.3;
}

.print-mood-date {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.print-mood {
    font-size: 14px;
    color: #666;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.mood-emoji {
    width: 30px;
    height: 30px;
    object-fit: contain;
}

.print-date {
    font-size: 14px;
    color: #888;
    margin: 0;
}

.print-image {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 10px 0;
    min-height: 300px;
    border-radius: 8px;
}

.print-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: 8px;
    display: block;
}

.print-content-text {
    margin: 20px 0;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #007bff;
}

.content-label {
    font-size: 14px;
    font-weight: bold;
    color: #495057;
    margin-bottom: 8px;
}

.content-text {
    font-size: 13px;
    line-height: 1.5;
    color: #6c757d;
    word-wrap: break-word;
    max-height: 120px;
    overflow-y: auto;
}

.print-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 10px;
    padding-top: 20px;
    border-top: 2px solid #eee;
}

.powered-by {
    font-size: 14px;
    color: #999;
    font-style: italic;
}

.qr-code {
    width: 80px;
    height: 80px;
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-code canvas {
    max-width: 100%;
    max-height: 100%;
}

/* Responsive adjustments for modal */
@media (max-width: 768px) {
    .modal-content {
        max-width: 95%;
        margin: 10px;
    }
    
    .print-preview {
        width: 100%;
        height: auto;
        min-height: 500px;
    }
    
    .print-content {
        padding: 30px;
    }
    
    .print-title {
        font-size: 20px;
    }
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .data-section {
        padding: 20px;
    }
    
    .controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 10px;
    }
    
    th, td {
        padding: 8px 10px;
        font-size: 14px;
    }
    
    .pagination {
        flex-wrap: wrap;
    }
}