/* ==============================================
   APP.CSS - Brace Yourself Pattern Designer
   Extends theme_soft_pastel.css
   ============================================== */

/* ============================================
   WELCOME SCREEN
   ============================================ */

.welcome-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #fffbf7 0%, #f9f7ff 50%, #f0f9ff 100%);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.6s ease;
}

.welcome-overlay.hidden {
    display: none;
}

.welcome-content {
    max-width: 600px;
    width: 90%;
    text-align: center;
    padding: 40px;
    animation: slideUp 0.6s ease;
}

.welcome-title {
    font-size: 3rem;
    font-weight: 700;
    color: #d4c5f9;
    margin-bottom: 12px;
    font-family: 'Quicksand', -apple-system, sans-serif;
}

.welcome-subtitle {
    font-size: 1.2rem;
    color: #4a4a4a;
    margin-bottom: 40px;
}

.welcome-actions {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

.welcome-btn {
    background-color: #ffffff;
    border: 2px solid #f7dcda;
    border-radius: 12px;
    padding: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #4a4a4a;
}

.welcome-btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(168, 216, 234, 0.3);
    border-color: #a8d8ea;
}

.welcome-btn-icon {
    font-size: 2rem;
}

.welcome-btn-text {
    flex: 1;
}

.welcome-recent {
    margin-bottom: 40px;
    padding-top: 20px;
    border-top: 2px solid #f7dcda;
}

.welcome-recent-title {
    font-size: 1rem;
    color: #999;
    margin-bottom: 16px;
    font-weight: 500;
}

.welcome-recent-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.welcome-recent-card {
    background-color: #ffffff;
    border: 2px solid #f0f0f0;
    border-radius: 8px;
    padding: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.welcome-recent-card:hover {
    border-color: #a8d8ea;
    box-shadow: 0 4px 12px rgba(168, 216, 234, 0.3);
    transform: translateY(-2px);
}

.welcome-recent-thumbnail {
    width: 100%;
    height: 80px;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    border-radius: 4px;
    margin-bottom: 8px;
}

.welcome-recent-title-text {
    font-size: 0.8rem;
    color: #666;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.welcome-footer {
    font-size: 0.9rem;
    color: #d4c5f9;
    margin: 0;
    font-style: italic;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-30px);
    }
}

/* ============================================
   BRANDING HEADER
   ============================================ */

.branding-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    background-color: rgba(255, 251, 247, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #f7dcda;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.branding-left {
    font-size: 1.1rem;
    font-weight: 600;
    color: #d4c5f9;
    font-family: 'Quicksand', -apple-system, sans-serif;
}

.branding-right {
    display: flex;
    align-items: center;
}

.heart-icon {
    animation: heartbeat 2s ease infinite;
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    10%, 30% {
        transform: scale(1.1);
    }
    20%, 40% {
        transform: scale(1);
    }
}

body {
    padding-top: 50px;
}

/* Layout & Structure */
.app-header {
    text-align: center;
    padding: 36px 0;
    border-bottom: 2px solid #f7dcda;
    background-color: #fffbf7;
}

.app-header h1 {
    margin-bottom: 8px;
    color: #4a4a4a;
}

.app-header .subtitle {
    font-size: 1rem;
    color: #a8d8ea;
    margin: 0;
}

.container-full {
    padding: 0 24px;
}

.app-main {
    padding: 40px 0;
    min-height: calc(100vh - 200px);
}

.app-layout {
    display: flex;
    gap: 32px;
    max-width: 1400px;
    margin: 0 auto;
}

.editor-section {
    flex: 1;
    min-width: 300px;
}

.editor-header {
    margin-bottom: 20px;
}

.editor-header h2 {
    margin: 0;
    color: #4a4a4a;
}

.controls-panel {
    width: 320px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Grid Editor */
.grid-container {
    display: inline-grid;
    gap: 2px;
    padding: 16px;
    background-color: #f5f5f5;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.grid-cell {
    width: 28px;
    height: 28px;
    border: 1px solid #ddd;
    background-color: #ffffff;
    cursor: pointer;
    border-radius: 2px;
    transition: all 0.15s ease;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    color: #ccc;
    user-select: none;
}

.grid-cell:hover {
    border-color: #a8d8ea;
    box-shadow: 0 0 4px rgba(168, 216, 234, 0.3);
}

.grid-cell.filled {
    border-color: #999;
}

.grid-cell.selected {
    border-color: #4a4a4a;
    box-shadow: 0 0 6px rgba(74, 74, 74, 0.4);
}

/* Palette */
.panel {
    background-color: #ffffff;
    border: 1px solid #f7dcda;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.05);
}

.panel h3 {
    margin: 0 0 16px 0;
    font-size: 1.1rem;
    color: #4a4a4a;
}

/* ============================================
   GUIDED FLOW PANEL
   ============================================ */

.guided-panel {
    background: linear-gradient(135deg, #f9f7ff 0%, #f0f9ff 100%);
    border: 2px solid #d4c5f9;
    animation: slideIn 0.4s ease;
}

.guided-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.guided-step {
    background-color: #ffffff;
    border: 1px solid #f0f0f0;
    border-radius: 8px;
    padding: 16px;
}

.guided-step-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #4a4a4a;
    margin-bottom: 8px;
}

.guided-step-content {
    font-size: 0.85rem;
    color: #666;
    line-height: 1.5;
}

.guided-action {
    margin-top: 8px;
}

/* ============================================
   RECENT DESIGNS PANEL
   ============================================ */

.recent-designs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.recent-design-card {
    background-color: #fafafa;
    border: 2px solid #f0f0f0;
    border-radius: 8px;
    padding: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.recent-design-card:hover {
    border-color: #a8d8ea;
    box-shadow: 0 4px 12px rgba(168, 216, 234, 0.3);
    transform: translateY(-2px);
}

.recent-design-thumbnail {
    width: 100%;
    height: 80px;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    border-radius: 4px;
    margin-bottom: 8px;
    background-color: #ffffff;
}

.recent-design-title {
    font-size: 0.8rem;
    color: #666;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.recent-design-date {
    font-size: 0.7rem;
    color: #999;
}

.palette-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 16px;
}

.palette-swatch {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    border-radius: 6px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    background-color: #fafafa;
}

.palette-swatch:hover {
    background-color: #f5f5f5;
}

.palette-swatch.active {
    border-color: #a8d8ea;
    background-color: #f0f9ff;
}

.palette-color {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    border: 1px solid #ddd;
    flex-shrink: 0;
}

.palette-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.palette-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: #4a4a4a;
}

.palette-hex {
    font-size: 0.75rem;
    color: #999;
    font-family: monospace;
}

.palette-remove {
    background: none;
    border: none;
    color: #d4a5a5;
    cursor: pointer;
    padding: 4px 8px;
    font-size: 1.2rem;
    line-height: 1;
    transition: color 0.2s ease;
}

.palette-remove:hover {
    color: #c85a5a;
}

.palette-add {
    border-top: 1px solid #f0f0f0;
    padding-top: 12px;
}

.color-input-group {
    display: flex;
    gap: 8px;
}

.color-picker {
    width: 50px;
    height: 40px;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
}

.color-label-input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.9rem;
}

.color-label-input::placeholder {
    color: #ccc;
}

/* Size Controls */
.size-controls {
    border-top: 1px solid #f0f0f0;
    padding-top: 12px;
}

.size-input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.size-input-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: #4a4a4a;
}

.size-input {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    font-size: 0.95rem;
}

.size-input:focus {
    outline: none;
    border-color: #a8d8ea;
    box-shadow: 0 0 4px rgba(168, 216, 234, 0.3);
}

.size-hint {
    font-size: 0.8rem;
    color: #999;
    margin: 12px 0 0 0;
    font-style: italic;
}

/* Export Controls */
.export-controls {
    border-top: 1px solid #f0f0f0;
    padding-top: 12px;
}

.export-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.export-section label {
    font-size: 0.85rem;
    font-weight: 500;
    color: #4a4a4a;
}

.export-textarea {
    width: 100%;
    height: 120px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    resize: vertical;
    background-color: #fafafa;
    color: #4a4a4a;
    line-height: 1.4;
}

.export-textarea:focus {
    outline: none;
    border-color: #a8d8ea;
    background-color: #ffffff;
}

/* Save Controls */
.save-controls {
    border-top: 1px solid #f0f0f0;
    padding-top: 12px;
}

/* Image Import Panel */
.import-panel {
    background: linear-gradient(135deg, #ffffff 0%, #f9f7ff 100%);
}

.import-controls {
    border-top: 1px solid #f0f0f0;
    padding-top: 12px;
}

.import-file-input {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.file-input-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: #4a4a4a;
}

#importImageInput {
    padding: 8px 12px;
    border: 2px dashed #d4c5f9;
    border-radius: 6px;
    background-color: #fafafa;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

#importImageInput:hover {
    border-color: #a8d8ea;
    background-color: #f0f9ff;
}

#importImageInput:focus {
    outline: none;
    border-color: #a8d8ea;
    box-shadow: 0 0 4px rgba(168, 216, 234, 0.3);
}

.import-original-preview,
.import-reduced-preview {
    display: flex;
    flex-direction: column;
    gap: 8px;
    border: 1px solid #f0f0f0;
    padding: 12px;
    border-radius: 6px;
    background-color: #fafafa;
}

.preview-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
}

.preview-canvas {
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #ffffff;
    max-width: 100%;
    height: auto;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

.import-size-inputs {
    border: 1px solid #f0f0f0;
    padding: 12px;
    border-radius: 6px;
    background-color: #fafafa;
}

.input-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: #4a4a4a;
    display: block;
    margin-bottom: 4px;
}

.import-reduced-preview {
    border: 2px solid #a8d8ea;
    background-color: #f0f9ff;
    animation: slideIn 0.3s ease;
}

.import-reduced-preview .preview-canvas {
    border: 2px solid #a8d8ea;
}

/* ====================================
   NEW: ADVANCED IMAGE IMPORT CONTROLS
   ==================================== */

/* Detail Boost Slider */
.slider-container {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 8px;
}

.detail-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: linear-gradient(to right, #ffe4b5, #ffc0cb, #d4c5f9);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.detail-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #ffffff;
    border: 3px solid #a8d8ea;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

.detail-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
}

.detail-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #ffffff;
    border: 3px solid #a8d8ea;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.2s ease;
}

.detail-slider::-moz-range-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: #999;
    padding: 0 4px;
}

/* Smart Resize Mode Select */
.mode-select {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #d4c5f9;
    border-radius: 6px;
    background-color: #ffffff;
    font-size: 0.9rem;
    color: #4a4a4a;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 4px;
}

.mode-select:hover {
    border-color: #a8d8ea;
}

.mode-select:focus {
    outline: none;
    border-color: #a8d8ea;
    box-shadow: 0 0 4px rgba(168, 216, 234, 0.3);
}

/* Advanced Options Section */
.advanced-options {
    border: 1px solid #f0f0f0;
    padding: 16px;
    border-radius: 8px;
    background: linear-gradient(135deg, #fafafa 0%, #f5f5ff 100%);
    margin-top: 12px;
}

/* Toggle Switches */
.toggle-option {
    margin-bottom: 12px;
}

.toggle-option:last-child {
    margin-bottom: 0;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}

.toggle-checkbox {
    display: none;
}

.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
    background-color: #e0e0e0;
    border-radius: 13px;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.toggle-switch::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background-color: #ffffff;
    border-radius: 50%;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-checkbox:checked + .toggle-switch {
    background: linear-gradient(135deg, #a8d8ea 0%, #d4c5f9 100%);
}

.toggle-checkbox:checked + .toggle-switch::after {
    left: 25px;
}

.toggle-text {
    font-size: 0.9rem;
    font-weight: 500;
    color: #4a4a4a;
    flex: 1;
}

/* Loading Overlay */
.worker-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.3s ease;
}

.worker-loading-overlay.hidden {
    display: none;
}

/* Spinner Animation */
.spinner {
    width: 60px;
    height: 60px;
    border: 6px solid #f0f0f0;
    border-top: 6px solid #a8d8ea;
    border-right: 6px solid #d4c5f9;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

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

.loading-message {
    font-size: 1.1rem;
    font-weight: 600;
    color: #4a4a4a;
    margin: 0 0 8px 0;
}

.loading-progress {
    font-size: 0.9rem;
    color: #999;
    margin: 0;
}

/* Worker Status Indicator */
.worker-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: linear-gradient(135deg, #e8f8f5 0%, #e8f0ff 100%);
    border-radius: 6px;
    margin-top: 12px;
    font-size: 0.8rem;
    color: #4a4a4a;
}

.status-icon {
    font-size: 1rem;
}

.status-text {
    font-weight: 500;
}

.worker-status.error {
    background: linear-gradient(135deg, #ffe0e0 0%, #fff0f0 100%);
}

.worker-status.error .status-icon {
    color: #d32f2f;
}

/* Buttons */
.btn {
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.btn-small {
    width: 100%;
    padding: 10px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    background-color: #a8d8ea;
    color: #ffffff;
    border-radius: 6px;
}

.btn-small:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-small:active {
    transform: translateY(0);
}

.btn-small:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-danger {
    background-color: #d4a5a5;
}

.btn-danger:hover {
    background-color: #c85a5a;
}

/* Template Actions */
.template-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    margin: 12px 0 16px 0;
    padding: 10px;
    background: linear-gradient(135deg, #f7f0ff 0%, #eaf7f2 100%);
    border-radius: 10px;
    border: 1px solid #e6eef5;
    box-shadow: 0 4px 10px rgba(138, 176, 210, 0.15);
}

.template-actions .btn-small {
    width: 100%;
    font-size: 0.85rem;
    padding: 10px 12px;
    border-radius: 8px;
    background: linear-gradient(135deg, #b3e5fc 0%, #b2dfdb 100%);
    color: #2f4f4f;
    font-weight: 700;
}

.template-actions .btn-small:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(160, 200, 220, 0.35);
}

.template-surprise-btn {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, #ffd1dc 0%, #ffe0b2 100%);
    color: #5d4037;
    font-weight: 800;
}

.template-surprise-btn:hover {
    box-shadow: 0 3px 8px rgba(255, 193, 203, 0.4);
}

/* Footer */
.app-footer {
    background-color: #4a4a4a;
    color: #fffbf7;
    padding: 32px 0;
    margin-top: 40px;
    text-align: center;
}

.app-footer p {
    margin: 0;
    font-size: 0.95rem;
}

/* Notifications / Messages */
.notification {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 12px;
    font-size: 0.9rem;
    animation: slideIn 0.3s ease;
}

.notification.error {
    background-color: #ffebee;
    color: #c62828;
    border: 1px solid #ef9a9a;
}

.notification.success {
    background-color: #e8f5e9;
    color: #2e7d32;
    border: 1px solid #a5d6a7;
}

.notification.info {
    background-color: #e3f2fd;
    color: #1565c0;
    border: 1px solid #90caf9;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .app-layout {
        flex-direction: column;
        gap: 24px;
    }

    .controls-panel {
        width: 100%;
    }

    .grid-cell {
        width: 24px;
        height: 24px;
    }
}

@media (max-width: 768px) {
    .app-header {
        padding: 24px 0;
    }

    .app-header h1 {
        font-size: 1.75rem;
    }

    .app-header .subtitle {
        font-size: 0.9rem;
    }

    .container-full {
        padding: 0 16px;
    }

    .app-layout {
        gap: 16px;
    }

    .controls-panel {
        gap: 16px;
    }

    .grid-cell {
        width: 20px;
        height: 20px;
    }

    .panel {
        padding: 16px;
    }

    .export-textarea {
        height: 100px;
    }
}

@media (max-width: 480px) {
    .app-header {
        padding: 16px 0;
    }

    .app-header h1 {
        font-size: 1.5rem;
    }

    .app-header .subtitle {
        font-size: 0.85rem;
    }

    .container-full {
        padding: 0 12px;
    }

    .grid-cell {
        width: 18px;
        height: 18px;
        gap: 1px;
    }

    .controls-panel {
        width: 100%;
    }

    .editor-section {
        margin-bottom: 20px;
    }
}

/* Focus states for accessibility */
input:focus,
button:focus,
textarea:focus {
    outline: 2px solid #a8d8ea;
    outline-offset: 2px;
}

/* Utility classes */
.space-y-small > * + * {
    margin-top: 8px;
}

.space-y > * + * {
    margin-top: 12px;
}

/* ============================================
   TEMPLATE LIBRARY
   ============================================ */

.template-category-buttons,
.inspiration-category-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.category-btn {
    flex: 1;
    min-width: 80px;
    padding: 8px 12px;
    font-size: 0.85rem;
    font-weight: 500;
    background-color: #fafafa;
    color: #4a4a4a;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.category-btn:hover {
    background-color: #f0f9ff;
    border-color: #a8d8ea;
}

.category-btn.active {
    background-color: #a8d8ea;
    color: #ffffff;
    border-color: #a8d8ea;
}

.template-grid,
.inspiration-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
    gap: 10px;
    margin-top: 12px;
}

.template-card,
.inspiration-card {
    position: relative;
    aspect-ratio: 1 / 1;
    background-color: #ffffff;
    border: 2px solid #f0f0f0;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
}

.template-card:hover,
.inspiration-card:hover {
    border-color: #a8d8ea;
    box-shadow: 0 0 12px rgba(168, 216, 234, 0.4);
    transform: translateY(-2px);
}

.template-preview,
.inspiration-preview {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #fafafa;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

.template-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 8px 4px 4px 4px;
    text-align: center;
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
}

.template-card:hover .template-name {
    opacity: 1;
}

.template-favorite {
    position: absolute;
    top: 4px;
    right: 4px;
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px;
    opacity: 0.6;
    transition: opacity 0.2s ease;
}

.template-favorite:hover {
    opacity: 1;
}

.template-favorite.favorited {
    opacity: 1;
    color: #ff6b9d;
}

/* ============================================
   COLOR HARMONIZER
   ============================================ */

.harmonizer-controls {
    border-top: 1px solid #f0f0f0;
    padding-top: 12px;
}

.harmonizer-swatches {
    display: flex;
    gap: 8px;
    margin: 12px 0;
    flex-wrap: wrap;
}

.harmonizer-swatch {
    flex: 1;
    min-width: 40px;
    height: 40px;
    border-radius: 4px;
    border: 1px solid #ddd;
    cursor: pointer;
    transition: all 0.2s ease;
}

.harmonizer-swatch:hover {
    transform: scale(1.05);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.harmonizer-output {
    border-top: 1px solid #f0f0f0;
    padding-top: 12px;
    margin-top: 12px;
}

.output-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 8px 0;
}

/* ============================================
   KEYWORD HELPER
   ============================================ */

.keyword-controls {
    border-top: 1px solid #f0f0f0;
    padding-top: 12px;
}

.keyword-output {
    border-top: 1px solid #f0f0f0;
    padding-top: 12px;
    margin-top: 8px;
}

.keyword-output label {
    font-size: 0.85rem;
    font-weight: 500;
    color: #4a4a4a;
    display: block;
    margin-bottom: 8px;
}

/* ============================================
   DIFFICULTY ESTIMATOR
   ============================================ */

.difficulty-output {
    border-top: 1px solid #f0f0f0;
    padding-top: 12px;
    margin-top: 12px;
}

.difficulty-badge {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 12px;
    color: #ffffff;
}

.difficulty-badge.easy {
    background-color: #a5d6a7;
}

.difficulty-badge.medium {
    background-color: #ffb74d;
}

.difficulty-badge.hard {
    background-color: #ef5350;
}

.difficulty-factors {
    background-color: #fafafa;
    border: 1px solid #f0f0f0;
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 12px;
    font-size: 0.9rem;
}

.difficulty-factor {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    color: #4a4a4a;
}

.difficulty-factor-label {
    font-weight: 500;
}

.difficulty-factor-value {
    color: #999;
}

.difficulty-explanation {
    font-size: 0.85rem;
    color: #666;
    line-height: 1.5;
    background-color: #f9f7ff;
    padding: 12px;
    border-left: 3px solid #d4c5f9;
    border-radius: 4px;
    margin: 0;
}

/* ============================================
   MODALS
   ============================================ */

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

.modal.active {
    display: flex;
}

.modal-content {
    background-color: #ffffff;
    border-radius: 12px;
    padding: 24px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease;
}

.modal-content.modal-large {
    max-width: 900px;
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    background: none;
    border: none;
    font-size: 2rem;
    color: #999;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: #4a4a4a;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   PRINT SHEET STYLES
   ============================================ */

.print-sheet {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
}

.print-sheet-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #4a4a4a;
    margin-bottom: 20px;
    text-align: center;
}

.print-sheet-legend {
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.print-sheet-legend-title {
    font-weight: 600;
    margin-bottom: 8px;
}

.print-sheet-legend-item {
    padding: 4px 0;
}

.print-sheet-legend-color {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 1px solid #ddd;
    border-radius: 2px;
    margin-right: 8px;
    vertical-align: middle;
}

.print-sheet-pattern {
    background-color: #fafafa;
    border: 1px solid #e0e0e0;
    padding: 16px;
    border-radius: 4px;
    line-height: 1.8;
    font-size: 0.85rem;
    overflow-x: auto;
}

.print-sheet-pattern-row {
    margin-bottom: 4px;
}

/* ============================================
   MOBILE ACTION BAR
   ============================================ */

.mobile-action-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #ffffff;
    border-top: 2px solid #f7dcda;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
    z-index: 900;
}

.mobile-action-btn {
    flex: 1;
    padding: 12px 16px;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    transition: background-color 0.2s ease;
    font-size: 1.2rem;
}

.mobile-action-btn:hover {
    background-color: #f9f7ff;
}

.mobile-action-text {
    font-size: 0.75rem;
    color: #666;
    font-family: 'Nunito', -apple-system, sans-serif;
}

/* ============================================
   RESPONSIVE DESIGN UPDATES
   ============================================ */

@media (max-width: 900px) {
    .app-layout {
        flex-direction: column;
        gap: 24px;
    }

    .controls-panel {
        width: 100%;
    }

    .welcome-recent-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .recent-designs-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 50px;
        padding-bottom: 60px;
    }

    .branding-left {
        font-size: 0.95rem;
    }

    .branding-header {
        padding: 0 16px;
    }

    .app-header {
        padding: 24px 0;
    }

    .app-header h1 {
        font-size: 1.75rem;
    }

    .app-header .subtitle {
        font-size: 0.9rem;
    }

    .container-full {
        padding: 0 16px;
    }

    .app-layout {
        gap: 16px;
    }

    .controls-panel {
        gap: 16px;
    }

    .grid-cell {
        width: 20px;
        height: 20px;
    }

    .panel {
        padding: 16px;
    }

    .export-textarea {
        height: 100px;
    }

    .template-grid,
    .inspiration-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }

    .template-category-buttons,
    .inspiration-category-buttons {
        gap: 4px;
    }

    .category-btn {
        font-size: 0.75rem;
        padding: 6px 10px;
    }

    .harmonizer-swatches {
        gap: 6px;
    }

    .harmonizer-swatch {
        min-width: 30px;
        height: 30px;
    }

    .modal-content {
        padding: 16px;
    }

    .print-sheet {
        padding: 20px;
    }

    /* Show mobile action bar */
    .mobile-action-bar {
        display: flex;
    }

    /* Hide some desktop-only panels on mobile */
    .editor-section {
        margin-bottom: 20px;
    }

    /* Welcome screen mobile adjustments */
    .welcome-title {
        font-size: 2rem;
    }

    .welcome-subtitle {
        font-size: 1rem;
    }

    .welcome-btn {
        padding: 18px;
    }

    .welcome-btn-icon {
        font-size: 1.5rem;
    }
}

@media (max-width: 600px) {
    .app-header {
        padding: 16px 0;
    }

    .app-header h1 {
        font-size: 1.5rem;
    }

    .app-header .subtitle {
        font-size: 0.85rem;
    }

    .container-full {
        padding: 0 12px;
    }

    .grid-cell {
        width: 18px;
        height: 18px;
        gap: 1px;
    }

    .controls-panel {
        width: 100%;
    }

    .editor-section {
        margin-bottom: 20px;
    }

    .template-grid,
    .inspiration-grid {
        grid-template-columns: 1fr;
    }

    .template-category-buttons,
    .inspiration-category-buttons {
        flex-direction: column;
    }

    .category-btn {
        width: 100%;
    }

    .modal-content.modal-large {
        max-width: 95%;
    }

    /* Welcome screen small mobile */
    .welcome-content {
        padding: 24px;
    }

    .welcome-title {
        font-size: 1.75rem;
    }

    .welcome-subtitle {
        font-size: 0.9rem;
        margin-bottom: 24px;
    }

    .welcome-actions {
        gap: 12px;
        margin-bottom: 24px;
    }

    .welcome-btn {
        padding: 16px;
        font-size: 1rem;
    }

    .welcome-btn-icon {
        font-size: 1.3rem;
    }

    .welcome-recent-grid {
        grid-template-columns: 1fr;
    }

    .recent-designs-grid {
        grid-template-columns: 1fr;
    }
    
    /* Advanced import controls mobile */
    .advanced-options {
        padding: 12px;
    }
    
    .slider-labels {
        font-size: 0.7rem;
    }
    
    .toggle-text {
        font-size: 0.85rem;
    }
    
    .worker-loading-overlay {
        padding: 20px;
    }
    
    .spinner {
        width: 50px;
        height: 50px;
        border-width: 5px;
    }
}

/* Hover animations for desktop */
@media (min-width: 901px) {
    .panel {
        transition: all 0.2s ease;
    }

    .panel:hover {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .btn:hover {
        transform: translateY(-1px);
    }
}