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

body {
    font-family: 'Courier New', 'Monaco', 'Menlo', monospace;
    background: #000;
    overflow: hidden;
    color: #fff;
    font-size: 14px;
    line-height: 1.4;
}

/* Upload Screen */
.upload-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-content {
    text-align: center;
    color: #fff;
    border: 2px solid #fff;
    padding: 40px;
    background: #000;
}

.upload-content h1 {
    font-size: 24px;
    margin-bottom: 16px;
    font-weight: bold;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.upload-content p {
    font-size: 14px;
    margin-bottom: 32px;
    color: #ccc;
}

#imageUpload {
    display: none;
}

.upload-btn {
    display: inline-block;
    background: #fff;
    color: #000;
    padding: 16px 32px;
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid #fff;
    transition: all 0.2s;
    font-family: inherit;
}

.upload-btn:hover {
    background: #000;
    color: #fff;
}

/* Editor Screen */
.editor-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #000;
}

.fullscreen-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #000;
}

/* Floating Panels */
.floating-panel {
    position: absolute;
    background: #000;
    border: 2px solid #fff;
    min-width: 280px;
    z-index: 1000;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid #fff;
    cursor: move;
    user-select: none;
    background: #fff;
    color: #000;
}

.panel-header h3 {
    font-size: 14px;
    margin: 0;
    flex: 1;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.panel-toggle {
    background: none;
    border: none;
    color: #000;
    font-size: 16px;
    cursor: pointer;
    padding: 4px 8px;
    font-weight: bold;
    font-family: inherit;
}

.panel-toggle:hover {
    background: #000;
    color: #fff;
}

.panel-content {
    padding: 16px;
    transition: none;
}

.panel-content.collapsed {
    display: none;
}

/* Selector Panel (Right Side) */
.selector-panel {
    right: 16px;
    top: 16px;
    max-height: calc(100vh - 32px);
    overflow-y: auto;
    outline: 1px solid #000;
}

.adjustment-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    margin-bottom: 24px;
    border: 1px solid #fff;
}

.adjustment-btn {
    padding: 12px 8px;
    background: #000;
    border: none;
    color: #fff;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.1s;
    font-family: inherit;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-right: 1px solid #fff;
    border-bottom: 1px solid #fff;
}

.adjustment-btn:nth-child(even) {
    border-right: none;
}

.adjustment-btn:hover {
    background: #fff;
    color: #000;
}

.adjustment-btn.active {
    background: #fff;
    color: #000;
}

/* Editor Panel (Bottom) */
.editor-panel {
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    min-width: 400px;
    max-width: 600px;
    outline: 1px solid #000;
}

.main-slider {
    width: 100%;
    height: 4px;
    background: #333;
    outline: none;
    margin-bottom: 12px;
    -webkit-appearance: none;
    appearance: none;
}

.main-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: #fff;
    cursor: pointer;
    border: 2px solid #000;
}

.main-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: #fff;
    cursor: pointer;
    border: 2px solid #000;
}

.slider-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #ccc;
    font-size: 12px;
}

#currentValue {
    font-size: 14px;
    font-weight: bold;
    color: #fff;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
}

.checkbox-label input[type="checkbox"] {
    margin-right: 8px;
    transform: scale(1.2);
}

/* Preset Section */
.preset-section {
    margin: 24px 0;
    padding: 16px 0;
    border-top: 1px solid #fff;
    border-bottom: 1px solid #fff;
}

.preset-section h4 {
    margin-bottom: 12px;
    color: #fff;
    font-size: 12px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.preset-btn {
    width: 100%;
    margin-bottom: 8px;
    padding: 12px 16px;
    border: 1px solid #fff;
    background: #000;
    color: #fff;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.1s;
    font-family: inherit;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.preset-btn:hover {
    background: #fff;
    color: #000;
}

/* Custom Presets */
.custom-presets {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid #333;
}

.custom-presets h4 {
    margin-bottom: 12px;
    color: #fff;
    font-size: 12px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.preset-action-btn {
    width: 100%;
    margin-bottom: 6px;
    padding: 8px 12px;
    border: 1px solid #fff;
    background: #000;
    color: #fff;
    font-size: 11px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.1s;
    font-family: inherit;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.preset-action-btn:hover {
    background: #fff;
    color: #000;
}

#presetStringContainer {
    margin-top: 12px;
    border: 1px solid #fff;
    padding: 12px;
    background: #111;
}

#presetString {
    width: 100%;
    height: 80px;
    background: #000;
    border: 1px solid #333;
    color: #fff;
    padding: 8px;
    font-family: inherit;
    font-size: 11px;
    resize: vertical;
    margin-bottom: 8px;
}

#presetString:focus {
    outline: none;
    border-color: #fff;
}

.preset-string-actions {
    display: flex;
    gap: 1px;
    border: 1px solid #fff;
}

.preset-string-actions .preset-action-btn {
    margin-bottom: 0;
    flex: 1;
    border: none;
    border-right: 1px solid #fff;
}

.preset-string-actions .preset-action-btn:last-child {
    border-right: none;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 1px;
    margin-top: 16px;
    border: 1px solid #fff;
}

.action-buttons button {
    flex: 1;
    padding: 12px 16px;
    border: none;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.1s;
    font-family: inherit;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#resetBtn {
    background: #000;
    color: #fff;
    border-right: 1px solid #fff;
}

#resetBtn:hover {
    background: #fff;
    color: #000;
}

#exportBtn.primary {
    background: #fff;
    color: #000;
}

#exportBtn.primary:hover {
    background: #000;
    color: #fff;
}

/* Export Panel */
.export-panel {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 400px;
    max-width: 500px;
    z-index: 2000;
}

.panel-close {
    background: none;
    border: none;
    color: #000;
    font-size: 16px;
    cursor: pointer;
    padding: 4px 8px;
    font-weight: bold;
    font-family: inherit;
}

.panel-close:hover {
    background: #000;
    color: #fff;
}

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

.export-section h4 {
    color: #fff;
    font-size: 12px;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.format-options, .resolution-options {
    display: flex;
    flex-direction: column;
    gap: 4px;
    border: 1px solid #fff;
}

.radio-option {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 8px 12px;
    transition: background 0.1s;
    border-bottom: 1px solid #333;
}

.radio-option:last-child {
    border-bottom: none;
}

.radio-option:hover {
    background: #333;
}

.radio-option input[type="radio"] {
    margin-right: 8px;
    transform: scale(1.1);
}

.radio-option span {
    color: #fff;
    font-size: 12px;
}

#jpegQuality {
    width: 100%;
    margin-bottom: 8px;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: #333;
    outline: none;
}

#jpegQuality::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: #fff;
    cursor: pointer;
    border: 2px solid #000;
}

#jpegQuality::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: #fff;
    cursor: pointer;
    border: 2px solid #000;
}

#jpegQualityValue {
    color: #fff;
    font-weight: bold;
    font-size: 12px;
}

.size-inputs {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.size-inputs label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    color: #fff;
    font-size: 12px;
}

.size-inputs input[type="number"] {
    padding: 8px;
    border: 1px solid #fff;
    background: #000;
    color: #fff;
    width: 100px;
    font-family: inherit;
    font-size: 12px;
}

.maintain-aspect {
    padding: 8px 12px;
    background: #000;
    border: 1px solid #fff;
    color: #fff;
    cursor: pointer;
    transition: all 0.1s;
    font-family: inherit;
    font-size: 12px;
}

.maintain-aspect.active {
    background: #fff;
    color: #000;
}

#fileName {
    width: 100%;
    padding: 8px;
    border: 1px solid #fff;
    background: #000;
    color: #fff;
    margin-top: 4px;
    font-family: inherit;
    font-size: 12px;
}

.export-actions {
    display: flex;
    gap: 1px;
    margin-top: 24px;
    border: 1px solid #fff;
}

.export-actions button {
    flex: 1;
    padding: 12px 16px;
    border: none;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.1s;
    font-family: inherit;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

#cancelExport {
    background: #000;
    color: #fff;
    border-right: 1px solid #fff;
}

#cancelExport:hover {
    background: #fff;
    color: #000;
}

#confirmExport.primary {
    background: #fff;
    color: #000;
}

#confirmExport.primary:hover {
    background: #000;
    color: #fff;
}

/* Scrollbar Styling */
.selector-panel::-webkit-scrollbar {
    width: 16px;
}

.selector-panel::-webkit-scrollbar-track {
    background: #000;
    border: 1px solid #fff;
}

.selector-panel::-webkit-scrollbar-thumb {
    background: #fff;
    border: 2px solid #000;
}

.selector-panel::-webkit-scrollbar-thumb:hover {
    background: #ccc;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .floating-panel {
        min-width: 260px;
    }

    .selector-panel {
        right: 8px;
        top: 8px;
        max-height: calc(100vh - 16px);
    }

    .editor-panel {
        bottom: 8px;
        left: 8px;
        right: 8px;
        transform: none;
        min-width: auto;
    }

    .export-panel {
        min-width: 300px;
        max-width: calc(100vw - 16px);
    }

    .size-inputs {
        flex-direction: column;
        align-items: stretch;
    }

    .size-inputs label {
        width: 100%;
    }

    .size-inputs input[type="number"] {
        width: 100%;
    }

    .adjustment-grid {
        grid-template-columns: 1fr;
    }

    .adjustment-btn {
        border-right: none;
    }

    .upload-content {
        padding: 24px;
        margin: 16px;
    }

    .upload-content h1 {
        font-size: 18px;
    }
}