/* Reset and base styles */
* {
    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: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 20px;
}

header h1 {
    font-size: 2.5rem;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 10px;
}

/* Toolbar */
.toolbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Help Section */
.help-section {
    background: #e8f4fd;
    border: 1px solid #bee5eb;
    border-radius: 8px;
    padding: 12px 20px;
    margin-bottom: 20px;
    text-align: center;
}

.help-section p {
    margin: 0 0 8px 0;
    color: #0c5460;
    font-size: 14px;
}

.help-section p:last-child {
    margin-bottom: 0;
}

.help-section i {
    margin-right: 8px;
    color: #17a2b8;
}

/* Action Buttons */
.action-buttons {
    text-align: center;
    margin-bottom: 20px;
}

.action-btn {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
    border: none;
    color: white;
    padding: 12px 24px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.action-btn i {
    margin-right: 8px;
}

.tool-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.tool-btn {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.tool-btn.active {
    background: rgba(255, 255, 255, 0.4);
    border-color: rgba(255, 255, 255, 0.8);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.action-btn {
    background: #2c3e50;
    border: none;
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 40px;
}

.action-btn:hover {
    background: #34495e;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.zoom-level {
    color: white;
    font-weight: 500;
    min-width: 50px;
    text-align: center;
}

/* Canvas Container */
.canvas-container {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: auto;
    border: 2px solid #e0e0e0;
}

#mainCanvas {
    border: 1px solid #ddd;
    border-radius: 5px;
    background: #f8f9fa;
    cursor: crosshair;
    display: block;
    margin: 0 auto;
}

/* 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);
    backdrop-filter: blur(5px);
}

/* Custom scrollbar for modal body */
.modal-body::-webkit-scrollbar {
    width: 8px;
}

.modal-body::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 4px;
}

.modal-body::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

/* Responsive modal adjustments */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        margin: 1% auto;
        max-height: 95vh;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 15px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }
}

.modal-content {
    background-color: white;
    margin: 2% auto;
    padding: 0;
    border-radius: 15px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
    display: flex;
    flex-direction: column;
    position: relative;
    top: 50%;
    transform: translateY(-50%);
}

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

.modal-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 15px 20px;
    border-radius: 15px 15px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.close {
    color: white;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.modal-body p {
    margin-bottom: 20px;
    color: #666;
    line-height: 1.6;
}

.modal-footer {
    padding: 15px 20px;
    border-top: 1px solid #eee;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    flex-shrink: 0;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input[type="color"] {
    height: 50px;
    padding: 5px;
    cursor: pointer;
}

.form-group input[type="number"] {
    text-align: center;
}

/* Shape Options */
.shape-options {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.shape-option {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 20px;
    color: #666;
}

.shape-option:hover {
    border-color: #667eea;
    background: #f8f9ff;
}

input[type="radio"]:checked + .shape-option {
    border-color: #667eea;
    background: #667eea;
    color: white;
}

input[type="radio"] {
    display: none;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.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, 0.3);
}

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

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

/* Sections Table */
.sections-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

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

.sections-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #2c3e50;
}

.sections-table tr:hover {
    background: #f8f9fa;
}

.color-swatch {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid #ddd;
    display: inline-block;
}

/* Seats List */
.seats-list {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid #ddd;
    padding: 10px;
    margin-bottom: 20px;
    background: #f9f9f9;
}

.seat-item {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    padding: 5px;
    background: white;
    border-radius: 4px;
}

.seat-item label {
    margin-left: 8px;
    cursor: pointer;
    flex: 1;
}

.seat-item input[type="checkbox"] {
    margin-right: 8px;
}

/* Property row layout for bulk editing */
.property-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.property-checkbox {
    width: 18px;
    height: 18px;
    margin: 0;
    cursor: pointer;
}

.property-row label {
    min-width: 80px;
    margin: 0;
    cursor: pointer;
}

.property-row input,
.property-row select {
    flex: 1;
    margin: 0;
}

/* Disabled state styling */
.property-row input:disabled,
.property-row select:disabled {
    background-color: #f5f5f5;
    color: #999;
    cursor: not-allowed;
}

/* Checkbox enabled state */
.property-row input:not(:disabled),
.property-row select:not(:disabled) {
    background-color: white;
    color: #333;
    cursor: text;
}

/* File Operations */
.file-operations {
    display: flex;
    gap: 15px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

/* Responsive Design */
@media (max-width: 768px) {
    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .tool-group {
        justify-content: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
    
    .file-operations {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .tool-btn,
    .action-btn {
        padding: 8px 10px;
        font-size: 12px;
    }
}

/* Canvas Grid */
.canvas-grid {
    background-image: 
        linear-gradient(rgba(0,0,0,0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,0,0,0.1) 1px, transparent 1px);
    background-size: 20px 20px;
}

/* Selection styles */
.selected {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Drag and drop styles */
.dragging {
    opacity: 0.7;
    cursor: grabbing;
}

.drag-over {
    border: 2px dashed #667eea;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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