/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: #1a1a2e;
    color: #eee;
    min-height: 100vh;
}

/* Support Bar */
.support-bar {
    background: linear-gradient(135deg, #4a69bd 0%, #6a89cc 100%);
    padding: 8px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.support-bar span {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 500;
}

.support-bar .support-link {
    display: inline-flex;
    align-items: center;
    transition: transform 0.2s ease;
}

.support-bar .support-link:hover {
    transform: scale(1.05);
}

.support-bar .support-link img {
    height: 28px;
}

@media print {
    .support-bar {
        display: none !important;
    }
}

/* App Container */
.app-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.5rem;
    color: #fff;
    margin-bottom: 8px;
}

.subtitle {
    color: #888;
    font-size: 1.1rem;
}

/* Main Layout */
main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

/* Panels */
.source-panel,
.template-panel {
    background: #16213e;
    border-radius: 12px;
    padding: 20px;
}

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

.panel-header h2 {
    font-size: 1.4rem;
    color: #fff;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: #4a69bd;
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: #5a7de8;
}

.btn-secondary {
    background: #2d3a5a;
    color: #ddd;
}

.btn-secondary:hover:not(:disabled) {
    background: #3d4a6a;
}

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

.btn-danger:hover:not(:disabled) {
    background: #e74c3c;
}

/* Upload Controls */
.upload-controls input[type="file"] {
    display: none;
}

/* Canvas Container */
.canvas-container {
    position: relative;
    background: #0f0f23;
    border-radius: 8px;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.canvas-container canvas {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

#selectionCanvas {
    cursor: crosshair;
    z-index: 10;
}

/* Drop Zone */
.drop-zone {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px dashed #3a3a5a;
    border-radius: 8px;
    z-index: 5;
    transition: all 0.3s ease;
}

.drop-zone p {
    color: #666;
    text-align: center;
    font-size: 1.1rem;
}

.drop-zone.hidden {
    display: none;
}

.drop-zone.drag-over {
    border-color: #4a69bd;
    background: rgba(74, 105, 189, 0.1);
}

/* Selection Controls */
.selection-controls {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

/* Segment Options */
.segment-options {
    margin-top: 15px;
    padding: 15px;
    background: #0f0f23;
    border-radius: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
}

.segment-options label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #aaa;
    font-size: 0.9rem;
}

.segment-options input[type="range"] {
    width: 100px;
    cursor: pointer;
}

.segment-options span {
    color: #fff;
    min-width: 40px;
}

.segment-options select {
    background: #1a1a2e;
    color: #fff;
    border: 1px solid #333;
    border-radius: 4px;
    padding: 5px 10px;
    font-size: 0.9rem;
    cursor: pointer;
}

.segment-options select:hover {
    border-color: #4a69bd;
}

.segment-options input[type="color"] {
    width: 40px;
    height: 30px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    background: transparent;
}

.segment-options input[type="number"] {
    background: #1a1a2e;
    color: #fff;
    border: 1px solid #333;
    border-radius: 4px;
    padding: 5px 8px;
    font-size: 0.9rem;
    width: 60px;
}

.segment-options input[type="number"]:focus {
    outline: none;
    border-color: #4a69bd;
}

.instructions {
    margin-top: 10px;
    padding: 10px;
    background: #0f0f23;
    border-radius: 6px;
    color: #888;
    font-size: 0.9rem;
}

/* Image List */
.image-list {
    margin-top: 20px;
}

.image-list h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: #aaa;
}

.thumbnails {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.thumbnail {
    width: 80px;
    height: 80px;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    border: 3px solid transparent;
    transition: border-color 0.2s ease;
}

.thumbnail:hover {
    border-color: #4a69bd;
}

.thumbnail.active {
    border-color: #4a69bd;
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Selections Panel */
.selections-panel {
    margin-top: 20px;
}

.selections-panel h3 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: #aaa;
}

.selections-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 8px;
    max-height: 180px;
    overflow-y: auto;
    padding: 5px;
}

.selection-item {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    background: #0f0f23;
    border-radius: 6px;
    border: 2px solid transparent;
    overflow: hidden;
    padding: 0;
}

.selection-item:hover {
    border-color: #4a69bd;
}

.selection-item.active {
    border-color: #4a69bd;
}

.selection-item.dragging {
    opacity: 0.4;
    transform: scale(0.95);
}

.selection-preview {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.selection-preview canvas {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.selection-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    padding: 2px 4px;
    display: none;
}

.selection-item:hover .selection-info {
    display: block;
}

.selection-name {
    font-size: 0.65rem;
    font-weight: 500;
    color: #fff;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    background: transparent;
    border: none;
    width: 100%;
    padding: 0;
    margin: 0;
}

.selection-source {
    display: none;
}

.selection-actions {
    position: absolute;
    top: 2px;
    right: 2px;
    opacity: 0;
    transition: opacity 0.2s;
}

.selection-item:hover .selection-actions {
    opacity: 1;
}

.selection-actions button {
    padding: 2px 6px;
    font-size: 0.65rem;
    border-radius: 3px;
}

.selection-actions .rotate-btn {
    font-size: 0.85rem;
    padding: 2px 5px;
    margin-right: 3px;
}

.selection-actions {
    display: flex;
    gap: 2px;
}

/* Template Panel */
.template-container {
    background: white;
    border-radius: 8px;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 500px;
}

#templateCanvas {
    max-width: 100%;
    max-height: 100%;
}

/* Mode Selector */
.mode-selector {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mode-selector label {
    color: #aaa;
    font-size: 0.9rem;
}

.mode-selector select {
    padding: 8px 12px;
    border-radius: 6px;
    background: #0f0f23;
    color: #fff;
    border: 1px solid #3a3a5a;
    font-size: 0.9rem;
    cursor: pointer;
}

/* Assignment Panel */
.assignment-panel {
    margin-top: 20px;
}

.assignment-panel h3 {
    font-size: 1rem;
    margin-bottom: 15px;
    color: #aaa;
}

.assignment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
    max-height: 250px;
    overflow-y: auto;
}

.assignment-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    background: #0f0f23;
    border-radius: 6px;
}

.assignment-label {
    flex: 1;
    font-size: 0.9rem;
    color: #ddd;
}

.assignment-select {
    padding: 6px 10px;
    border-radius: 4px;
    background: #2d3a5a;
    color: #fff;
    border: 1px solid #3a3a5a;
    font-size: 0.85rem;
    min-width: 100px;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    justify-content: center;
}

/* Print Styles */
.print-only {
    display: none;
}

@media print {
    /* Hide everything in the app */
    body {
        background: white !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    .app-container,
    .ad-banner,
    .app-footer,
    .selection-picker {
        display: none !important;
    }

    /* Show only the print template */
    .print-only {
        display: block !important;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        background: white;
    }

    #printCanvas {
        display: block;
        width: 100%;
        height: auto;
        max-width: 100%;
        page-break-after: avoid;
        page-break-inside: avoid;
    }

    /* Prevent extra pages */
    @page {
        margin: 0.5in;
        size: letter;
    }
}

/* Responsive */
@media (max-width: 1200px) {
    main {
        grid-template-columns: 1fr;
    }

    .canvas-container {
        min-height: 350px;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #0f0f23;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #3a3a5a;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4a4a6a;
}

/* ==================== */
/* Ad Banners */
/* ==================== */
.ad-banner {
    background: #0f0f23;
    text-align: center;
    padding: 15px;
}

.ad-header {
    border-bottom: 1px solid #2d3a5a;
}

.ad-footer {
    border-top: 1px solid #2d3a5a;
    margin-top: 10px;
}

.ad-placeholder {
    color: #555;
    font-size: 0.85rem;
    padding: 20px;
    border: 1px dashed #3a3a5a;
    border-radius: 4px;
    max-width: 728px;
    margin: 0 auto;
}

/* ==================== */
/* Footer */
/* ==================== */
.app-footer {
    background: #0f0f23;
    padding: 20px;
    text-align: center;
    margin-top: 30px;
}

.footer-content p {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.footer-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.tip-link {
    display: inline-flex;
    align-items: center;
    transition: transform 0.2s ease;
}

.tip-link:hover {
    transform: scale(1.05);
}

.tip-link img {
    height: 32px;
}

.privacy-link {
    color: #666;
    text-decoration: none;
    font-size: 0.85rem;
}

.privacy-link:hover {
    color: #4a69bd;
}

/* ==================== */
/* Drag and Drop */
/* ==================== */
.drag-hint {
    font-size: 0.8rem;
    color: #666;
    font-weight: normal;
}

.selection-item {
    cursor: grab;
    transition: all 0.2s ease;
}

.selection-item:active {
    cursor: grabbing;
}

.selection-item.dragging {
    opacity: 0.4;
    transform: scale(0.95);
}

.template-container.drag-over {
    box-shadow: inset 0 0 20px rgba(74, 105, 189, 0.5);
}

#templateCanvas {
    transition: filter 0.2s ease;
}

#templateCanvas.drag-active {
    cursor: copy;
}

/* ==================== */
/* Visual Assignment Grid */
/* ==================== */
.assignment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.assignment-header h3 {
    font-size: 1rem;
    color: #aaa;
    margin: 0;
}

.assignment-hint {
    color: #666;
    font-size: 0.85rem;
    margin-bottom: 15px;
}

.visual-assignment-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    max-height: 300px;
    overflow-y: auto;
    padding: 5px;
}

.assignment-slot {
    background: #0f0f23;
    border: 2px dashed #3a3a5a;
    border-radius: 8px;
    padding: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.assignment-slot:hover {
    border-color: #4a69bd;
    background: #1a1a3e;
}

.assignment-slot.assigned {
    border-style: solid;
    border-color: #4a69bd;
}

.assignment-slot.drag-over {
    border-color: #5a7de8;
    background: rgba(74, 105, 189, 0.2);
    transform: scale(1.02);
}

.assignment-slot .slot-label {
    font-size: 0.85rem;
    color: #888;
    margin-bottom: 5px;
}

.assignment-slot .slot-thumbnail {
    width: 50px;
    height: 50px;
    border-radius: 4px;
    overflow: hidden;
    background: #2d3a5a;
    display: flex;
    align-items: center;
    justify-content: center;
}

.assignment-slot .slot-thumbnail {
    position: relative;
}

.assignment-slot .slot-thumbnail canvas {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.slot-rotate-btn {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 18px;
    height: 18px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: #4a69bd;
    color: #fff;
    font-size: 0.75rem;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.assignment-slot:hover .slot-rotate-btn {
    opacity: 1;
}

.slot-rotate-btn:hover {
    background: #5a7de8;
    transform: scale(1.1);
}

.assignment-slot .slot-thumbnail.empty {
    color: #555;
    font-size: 1.5rem;
}

.assignment-slot .slot-thumbnail.empty::after {
    content: "+";
}

/* Section type labels */
.section-group-label {
    grid-column: 1 / -1;
    font-size: 0.8rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 5px 0;
    border-bottom: 1px solid #2d3a5a;
    margin-top: 10px;
}

.section-group-label:first-child {
    margin-top: 0;
}

/* ==================== */
/* Selection Picker Modal */
/* ==================== */
.selection-picker {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.picker-content {
    background: #16213e;
    border-radius: 12px;
    padding: 20px;
    max-width: 400px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.picker-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid #3a3a5a;
}

.picker-header span {
    font-size: 1.1rem;
    color: #fff;
}

.picker-close {
    background: none;
    border: none;
    color: #888;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0 5px;
    line-height: 1;
}

.picker-close:hover {
    color: #fff;
}

.picker-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 15px;
}

.picker-item {
    background: #0f0f23;
    border: 2px solid transparent;
    border-radius: 8px;
    padding: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.picker-item:hover {
    border-color: #4a69bd;
    background: #1a1a3e;
}

.picker-canvas-container {
    position: relative;
    display: inline-block;
}

.picker-item canvas {
    width: 60px;
    height: 60px;
    border-radius: 4px;
}

.picker-rotate-btn {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 20px;
    height: 20px;
    padding: 0;
    border: none;
    border-radius: 3px;
    background: rgba(45, 58, 90, 0.9);
    color: #fff;
    font-size: 0.85rem;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.picker-item:hover .picker-rotate-btn {
    opacity: 1;
}

.picker-rotate-btn:hover {
    background: #4a69bd;
}

.picker-item .picker-item-name {
    font-size: 0.75rem;
    color: #aaa;
    margin-top: 5px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.picker-clear {
    width: 100%;
}

.picker-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: #666;
    padding: 20px;
}

/* ==================== */
/* Template Highlighting */
/* ==================== */
.template-container {
    position: relative;
}

.template-highlight-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}