:root{--primary-bg: #2c2c2c;--panel-bg: #1e1e1e;--accent-color: #4CAF50;--text-color: #fff;--border-color: #444}body{margin:0;padding:0;background:var(--primary-bg);font-family:Arial,sans-serif;overflow:hidden;color:var(--text-color)}#container{display:flex;height:100vh}#viewport{flex:1;position:relative;overflow:hidden}#sidebar{background:#1e1e1e;color:#fff;padding:20px;overflow-y:auto;box-shadow:2px 0 10px #0000004d;flex:0 0 300px;min-width:280px;max-width:340px}.panel{margin-bottom:20px;border:1px solid #444;border-radius:5px;overflow:hidden}#sidebar .panel+.panel{margin-top:20px}.panel-header{background:#333;padding:10px;font-weight:700;cursor:pointer}.panel-content{padding:15px;background:#252525}.control-group{margin-bottom:15px}.projection-controls{position:absolute;border-top:1px solid #444;padding-top:15px;margin-top:15px}.projection-controls .control-group:first-child{margin-top:0}.mode-switcher{display:flex;flex-direction:column;gap:10px}.mode-button{display:flex;flex-direction:column;align-items:center;padding:15px;background:#333;border:2px solid #555;border-radius:8px;color:#fff;cursor:pointer;transition:all .3s ease;text-align:center}.mode-button:hover{background:#404040;border-color:#666;transform:translateY(-2px);box-shadow:0 4px 8px #0000004d}.mode-button.active,.mode-toggle-group .mode-button.active{background:#4caf50!important;border-color:#5cbf60!important;box-shadow:0 2px 8px #4caf504d!important;outline:2px solid #9be79f!important;outline-offset:2px;color:#fff!important}.mode-button.active:hover{background:#5cbf60;border-color:#6dd070}.mode-icon{font-size:24px;margin-bottom:8px;display:block}.mode-label{font-weight:700;font-size:14px;margin-bottom:4px;display:block}.mode-desc{font-size:11px;opacity:.8;display:block}.mode-button.active .mode-desc{opacity:1}.mode-indicator{position:absolute;top:50px;left:20px;background:#000c;color:#fff;padding:10px 15px;border-radius:20px;font-size:14px;font-weight:700;display:flex;align-items:center;gap:8px;backdrop-filter:blur(5px);border:1px solid rgba(255,255,255,.2);transition:all .3s ease;z-index:100}.mode-indicator:hover{background:#000000e6;transform:scale(1.05)}.mode-indicator-icon{font-size:16px}.mode-indicator-text{font-size:12px;text-transform:uppercase;letter-spacing:.5px}.mode-help{margin-top:10px;text-align:center;color:#999}.mode-help small{font-size:10px}kbd{background:#444;border:1px solid #666;border-radius:3px;padding:2px 5px;font-size:9px;font-family:monospace;color:#fff;margin:0 2px}.usage-guide{background:#ffffff0d;border-radius:5px;padding:15px;margin-bottom:10px}.usage-guide h4{margin-top:0;margin-bottom:10px;color:#4caf50;font-size:14px}.usage-guide ol{margin:10px 0;padding-left:20px;font-size:12px;line-height:1.4}.usage-guide ol li{margin-bottom:5px}.usage-guide p{margin:10px 0 0;font-size:11px;font-style:italic;color:#ccc}label{display:block;margin-bottom:5px;font-size:12px;color:#ccc}input[type=file],input[type=range],select{width:100%;margin-bottom:10px}input[type=range]{accent-color:#007acc}button{background:#007acc;color:#fff;border:none;padding:8px 15px;border-radius:3px;cursor:pointer;margin-right:5px;margin-bottom:5px}button:hover{background:#005a9e}button:disabled{background:#555;cursor:not-allowed}.texture-preview{width:100%;height:150px;background:#333;border:1px solid #555;border-radius:3px;display:flex;align-items:center;justify-content:center;margin-bottom:10px;overflow:hidden}.texture-preview img{max-width:100%;max-height:100%;object-fit:contain}.uv-channel{background:#2a2a2a;border:1px solid #444;border-radius:3px;padding:10px;margin-bottom:10px}.value-display{color:#007acc;font-weight:700;margin-left:10px}#loadingScreen{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;font-size:18px;z-index:1000}.progress-bar{width:300px;height:20px;background-color:#333;border-radius:10px;overflow:hidden;margin-top:20px}.progress{height:100%;background-color:#4caf50;width:0%;transition:width .3s}.footer-made-by{position:fixed;left:10px;bottom:10px;z-index:500;background:#000000a6;color:#fff;padding:6px 10px;border-radius:6px;font-size:12px;line-height:1;border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(6px);pointer-events:auto}.footer-made-by a{color:#9ad8ff;text-decoration:none;font-weight:600}.footer-made-by a:hover{text-decoration:underline}.hidden{display:none!important}.status{position:absolute;top:10px;left:10px;background:#000000b3;color:#fff;padding:5px 10px;border-radius:3px;font-size:12px}#topRightPanelContainer{position:absolute;top:20px;right:20px;z-index:999;display:flex;flex-direction:column;gap:20px;width:250px}.viewport-overlay{position:absolute;background:#000000d9;color:#fff;border-radius:8px;padding:15px;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);box-shadow:0 4px 20px #00000080;z-index:200}.viewport-toolbar{position:absolute;top:50%;left:10px;transform:translateY(-50%);display:flex;flex-direction:column;align-items:stretch;background:#000000d9;color:#fff;border-radius:8px;padding:8px 15px;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);box-shadow:0 4px 20px #00000080;z-index:150}.viewport-toolbar.disabled{pointer-events:none;opacity:.45;filter:grayscale(60%)}.toolbar-section{display:flex;gap:8px}.toolbar-label{font-size:12px;color:#fffc;margin-right:5px;font-weight:700}.toolbar-button{display:flex;flex-direction:column;align-items:center;padding:6px 8px;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);border-radius:6px;color:#fff;cursor:pointer;transition:all .2s ease;font-size:10px;min-width:60px;max-width:60px}.toolbar-button:hover{background:#fff3;border-color:#fff6;transform:translateY(-1px)}.toolbar-button.active{background:#4caf50;border-color:#5cbf60;box-shadow:0 2px 8px #4caf504d;outline:2px solid #9be79f;outline-offset:2px}.toolbar-button.active:hover{background:#5cbf60;border-color:#6dd070}.toolbar-icon{font-size:14px;margin-bottom:2px;display:block}.toolbar-text{font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.3px;line-height:1}.toolbar-hotkey{font-size:9px;color:#fff9;margin-top:2px;font-style:italic}.viewport-mode-switcher{top:20px;right:20px;width:200px}.compact-mode-switcher{display:flex;border-radius:6px;overflow:hidden;background:#0000004d;border:1px solid rgba(255,255,255,.2)}.compact-mode-button{flex:1;padding:8px 12px;background:transparent;border:none;color:#fffc;cursor:pointer;transition:all .2s ease;font-size:11px;text-align:center;position:relative}.compact-mode-button:hover{background:#ffffff1a;color:#fff}.compact-mode-button.active,.compact-mode-switcher .compact-mode-button.active{background:#4caf50!important;color:#fff!important;box-shadow:inset 0 0 0 1px #fff3!important;outline:2px solid #9be79f!important;outline-offset:-2px}.compact-mode-button .compact-icon{display:block;font-size:14px;margin-bottom:2px}.compact-mode-button .compact-label{display:block;font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.viewport-usage-guide{top:110px;right:20px;width:200px;max-height:300px;overflow-y:auto}.compact-usage-guide{font-size:11px;line-height:1.3}.compact-usage-guide h4{margin:0 0 8px;color:#4caf50;font-size:12px;display:flex;align-items:center;gap:6px}.compact-usage-guide ol{margin:8px 0;padding-left:16px;font-size:10px;line-height:1.4}.compact-usage-guide ol li{margin-bottom:3px}.compact-usage-guide p{margin:8px 0 0;font-size:9px;font-style:italic;color:#ccc}.compact-usage-guide .usage-tip{background:#4caf501a;border-left:2px solid #4CAF50;padding:6px 8px;margin-top:8px;font-size:9px;border-radius:0 4px 4px 0}.hotkey-hint{top:10px;bottom:15px;left:15px;font-size:9px;color:#fff9;display:flex;align-items:center;gap:4px}.hotkey-hint kbd{background:#fff3;border:1px solid rgba(255,255,255,.3);border-radius:2px;padding:1px 4px;font-size:8px;font-family:monospace;color:#fff}.projection-controls-box{position:absolute;top:10px;left:50%;transform:translate(-50%);background:#000000d9;color:#fff;border-radius:8px;padding:10px;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);box-shadow:0 4px 20px #00000080;z-index:150;display:flex;flex-direction:column;gap:10px}.btn{background:#007acc;color:#fff;border:none;padding:8px 15px;border-radius:3px;cursor:pointer;margin-right:5px;margin-bottom:5px;transition:background .2s ease}.btn:hover{background:#005a9e}.btn-success{background:#4caf50}.btn-success:hover{background:#43a047}.btn-danger{background:#f44336}.btn-danger:hover{background:#e53935}.modal{position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;background-color:#00000080;display:flex;align-items:center;justify-content:center}.modal-content{background-color:#2c2c2c;padding:20px;border-radius:10px;width:650px;box-shadow:0 5px 15px #0000004d;color:#fff}.close-button{color:#aaa;float:right;font-size:28px;font-weight:700;cursor:pointer}.close-button:hover,.close-button:focus{color:#fff}.text-decal-controls{margin-top:20px}#texturePicker{position:absolute;bottom:20px;left:50%;transform:translate(-50%);background-color:#00000080;padding:10px;border-radius:10px;display:flex;gap:10px;align-items:center;backdrop-filter:blur(1px)}#texturePicker img{width:64px;height:64px;cursor:pointer;border:2px solid transparent;border-radius:5px;backdrop-filter:blur(1px);background-color:#888;background-image:linear-gradient(45deg,#444 25%,transparent 25%),linear-gradient(-45deg,#444 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#444 75%),linear-gradient(-45deg,transparent 75%,#444 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0px}#texturePicker img.active{border-color:#0f0}.upload-container{position:relative}#addDecalButton{width:64px;height:64px;font-size:32px;line-height:64px;text-align:center}#uploadTooltip{position:absolute;bottom:110%;left:50%;transform:translate(-50%);background-color:#333;color:#fff;padding:8px 12px;border-radius:7px;white-space:nowrap;opacity:1;transition:opacity .3s;pointer-events:none;animation:bounce 2s infinite ease-in-out}#uploadTooltip:after{content:"";position:absolute;top:100%;left:50%;margin-left:-8px;border-width:8px;border-style:solid;border-color:#333 transparent transparent transparent}@keyframes bounce{0%,to{transform:translate(-50%) translateY(0)}50%{transform:translate(-50%) translateY(-10px)}}#textDecalButton{width:64px;height:64px;font-size:32px;line-height:64px;text-align:center;background-color:#4caf50;color:#fff;border:none;border-radius:5px;cursor:pointer}#textDecalInput{width:100%;padding:10px;margin-bottom:15px;border-radius:5px;border:1px solid #555;background-color:#333;color:#fff}#textDecalPreview{width:384px;height:384px;background-color:#888;background-image:linear-gradient(45deg,#444 25%,transparent 25%),linear-gradient(-45deg,#444 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#444 75%),linear-gradient(-45deg,transparent 75%,#444 75%);background-size:16px 16px;background-position:0 0,0 8px,8px -8px,-8px 0px;border:1px solid #555;margin-top:15px}#generateTextDecalButton{width:100%;padding:10px;margin-top:15px;background-color:#4caf50}.compact-mode-button[data-mode=brush]{background:transparent;border:none;color:#fffc}.compact-mode-button[data-mode=brush]:hover{background:#ffffff1a;color:#fff;border:none;transform:none}.compact-mode-button[data-mode=brush].active{background:#4caf50;color:#fff;box-shadow:inset 0 0 0 1px #fff3;border:none}#brushPanel{border-left:3px solid #8B4513}#brushPanel .panel-header{background:linear-gradient(135deg,#8b4513,sienna);color:#fff}.mode-button,button,.btn{padding:8px 16px;margin:4px;border:1px solid #666;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s ease;background:#444;color:#ccc}.mode-button:hover,button:hover,.btn:hover{background:#555;border-color:#888;transform:translateY(-1px)}.mode-button.active,button.active,.btn.active{background:linear-gradient(135deg,#007bff,#0056b3);color:#fff;box-shadow:0 0 12px #00000080;border:1px solid #90caf9;transform:scale(1.01)}.mode-button[data-mode=paint].active{background:linear-gradient(135deg,#66bb6a,#4caf50);border:2px solid #8BC34A}.mode-button[data-mode=erase].active{background:linear-gradient(135deg,#ef5350,#f44336);border:2px solid #E57373}.color-presets{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;margin-top:8px}.color-preset{width:30px;height:30px;border:2px solid #666;border-radius:4px;cursor:pointer;transition:all .2s ease}.color-preset:hover{border-color:#fff;transform:scale(1.1)}.color-preset:active{transform:scale(.95)}.brush-presets{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:8px}.brush-preset{padding:8px;border:1px solid #666;border-radius:4px;background:#333;color:#ccc;cursor:pointer;transition:all .2s ease;font-size:12px;text-align:center}.brush-preset:hover{background:#444;border-color:#8b4513;transform:translateY(-1px)}.brush-preset:active{transform:translateY(0)}.shortcut-hint{font-size:11px;color:#888;margin-top:2px;font-style:italic}.panel-section{margin-top:16px;padding-top:12px;border-top:1px solid #444}.section-header{font-size:13px;font-weight:600;color:#ddd;margin-bottom:8px}#brushPanel .control-group{margin-bottom:16px}.mode-toggle-group{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:8px}.mode-toggle-group+.shortcut-hint{margin-top:4px}.mode-button{width:100%;text-align:center;white-space:nowrap;box-sizing:border-box}#brushPanel .control-group label{display:block;margin-bottom:4px;font-size:13px;color:#ddd}#brushPanel .control-group input[type=range]{width:100%;margin:4px 0}#brushPanel .control-group input[type=color]{width:100%;height:40px;border:1px solid #666;border-radius:4px;cursor:pointer}#brushPanel .control-group input[type=checkbox]{margin-right:8px;transform:scale(1.2)}#brushPanel button{padding:8px 12px;margin:4px 0;border:1px solid #666;border-radius:6px;background:#444;color:#ccc;cursor:pointer;transition:all .2s ease;font-size:14px;box-sizing:border-box}#brushPanel button:hover{background:#555;border-color:#888;transform:translateY(-1px)}#brushPanel button:active{transform:translateY(0)}.btn-primary,#undoStroke{background:linear-gradient(135deg,#2196f3,#1976d2);border-color:#1565c0}.btn-primary:hover,#undoStroke:hover{background:linear-gradient(135deg,#42a5f5,#2196f3)}.btn-danger,#clearBrushStrokes{background:linear-gradient(135deg,#f44336,#d32f2f);border-color:#c62828}.btn-danger:hover,#clearBrushStrokes:hover{background:linear-gradient(135deg,#ef5350,#f44336)}.btn-success{background:linear-gradient(135deg,#4caf50,#2e7d32);border-color:#2e7d32;color:#fff}.btn-success:hover{background:linear-gradient(135deg,#66bb6a,#388e3c);border-color:#2e7d32}.value-display{float:right;font-weight:600;color:#8b4513}.brush-cursor-overlay{position:fixed;pointer-events:none;z-index:1000;border:2px solid #00ff00;border-radius:50%;opacity:.7;transition:all .1s ease}@media (max-width: 768px){.color-presets{grid-template-columns:repeat(3,1fr)}.brush-presets{grid-template-columns:1fr}.mode-button{padding:6px 12px;font-size:12px}.color-preset{width:25px;height:25px}}@keyframes brushModeActivate{0%{transform:scale(1);box-shadow:0 0 #8b451380}50%{transform:scale(1.05);box-shadow:0 0 20px #8b4513cc}to{transform:scale(1);box-shadow:0 0 10px #8b451380}}.compact-mode-button[data-mode=brush].active{animation:brushModeActivate .5s ease}#compactUsageBrush .usage-tip{background:#8b45131a;border-left:3px solid #8B4513}#brushPanel .control-group:hover{background:#8b45130d;border-radius:4px;padding:4px;margin:4px -4px;transition:all .2s ease}#brushPanel input:focus,#brushPanel button:focus{outline:2px solid #8B4513;outline-offset:2px}.brush-loading{opacity:.6;pointer-events:none;position:relative}.brush-loading:after{content:"";position:absolute;top:50%;left:50%;width:20px;height:20px;margin:-10px 0 0 -10px;border:2px solid #8B4513;border-top-color:transparent;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}