:root{--bg-color: #050505;--panel-bg: #1a1a1a;--accent-red: #d32f2f;--accent-green: #4caf50;--accent-blue: #2196f3;--text-main: #f0f0f0;--text-sub: #a0a0a0;--text-xs: 10px;--text-sm: 12px;--text-base: 14px;--text-md: 16px;--text-lg: 18px;--text-xl: 20px;--text-2xl: 24px;--text-3xl: 28px;--space-xs: 4px;--space-sm: 8px;--space-md: 12px;--space-lg: 16px;--space-xl: 20px;--space-2xl: 24px;--btn-min-height: 40px;--btn-min-touch: 44px;--btn-height-sm: 32px;--btn-height-xs: 28px;--container-max: 500px;--container-sm: 380px;--radius-sm: 10px;--radius-md: 14px;--radius-lg: 20px}@media(max-width:375px){:root{--text-xs: 8px;--text-sm: 10px;--text-base: 12px;--text-md: 13px;--text-lg: 15px;--text-xl: 17px;--text-2xl: 20px;--text-3xl: 24px;--btn-min-height: 36px;--btn-min-touch: 40px;--btn-height-sm: 28px;--btn-height-xs: 24px;--space-sm: 6px;--space-md: 10px;--space-lg: 14px;--space-xl: 16px;--container-max: 340px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px}}@media(min-width:376px)and (max-width:428px){:root{--text-xs: 9px;--text-sm: 11px;--text-base: 13px;--text-md: 14px;--text-lg: 16px;--text-xl: 18px;--text-2xl: 22px;--text-3xl: 26px;--btn-min-height: 38px;--btn-min-touch: 42px;--btn-height-sm: 30px;--btn-height-xs: 26px;--space-sm: 7px;--space-md: 11px;--space-lg: 15px;--container-max: 380px;--radius-md: 13px}}@media(min-width:429px)and (max-width:768px){:root{--text-xs: 10px;--text-sm: 12px;--text-base: 14px;--text-md: 15px;--text-lg: 17px;--text-xl: 19px;--text-2xl: 23px;--text-3xl: 27px;--btn-min-height: 40px;--btn-min-touch: 44px;--container-max: 440px}}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{margin:0;padding:0;background:var(--bg-color);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;overflow:hidden}.scrollable{overflow-y:auto;-webkit-overflow-scrolling:touch}.scrollable::-webkit-scrollbar{width:0;display:none}button{font-family:inherit;outline:none;font-size:var(--text-sm);min-height:var(--btn-min-touch)}button:active{transform:scale(.97);transition:transform .1s}.btn-sm{min-height:var(--btn-height-sm);padding:4px 12px;font-size:var(--text-xs);border-radius:var(--radius-sm)}.btn-xs{min-height:var(--btn-height-xs);padding:2px 8px;font-size:var(--text-xs);border-radius:8px}button,input,select,textarea,[role=button],.clickable{min-height:var(--btn-min-touch)}textarea,select{font-family:inherit;outline:none}input[type=range]{min-height:auto!important;padding:0;margin:0}input[type=range].color-slider{-webkit-appearance:none;appearance:none;width:100%;height:3px;background:linear-gradient(90deg,#e53935,#7b1fa2,#1e88e5,#00acc1);border-radius:2px;outline:none;cursor:pointer}input[type=range].color-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:14px;height:14px;border-radius:50%;background:#fff;border:2px solid #444;cursor:pointer;box-shadow:0 2px 8px #0006;transition:transform .2s}input[type=range].color-slider::-webkit-slider-thumb:hover{transform:scale(1.1);border-color:#888}input[type=range].color-slider::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#fff;border:2px solid #444;cursor:pointer;box-shadow:0 2px 8px #0006}input[type=range].color-slider::-moz-range-thumb:hover{transform:scale(1.1);border-color:#888}input[type=range].color-slider::-moz-range-track{height:3px;border-radius:2px;background:linear-gradient(90deg,#e53935,#7b1fa2,#1e88e5,#00acc1);border:none}.modal-content{font-size:var(--text-sm);line-height:1.5}.modal-title{font-size:var(--text-base);font-weight:600;margin-bottom:var(--space-md)}.modal-body{font-size:var(--text-sm);color:#ccc;line-height:1.6}.modal-actions{display:flex;gap:var(--space-sm);margin-top:var(--space-lg)}.modal-content button{min-height:40px;font-size:var(--text-sm)}.modal-btn-primary{flex:1;padding:var(--space-sm) var(--space-lg);font-size:var(--text-sm);font-weight:600;border:none;border-radius:var(--radius-md);cursor:pointer;min-height:40px;transition:all .2s}.modal-btn-secondary{flex:1;padding:var(--space-sm) var(--space-lg);font-size:var(--text-sm);font-weight:500;border:1px solid #444;border-radius:var(--radius-md);cursor:pointer;min-height:40px;background:transparent;color:#888;transition:all .2s}.modal-btn-danger{flex:1;padding:var(--space-sm) var(--space-lg);font-size:var(--text-sm);font-weight:600;border:1px solid rgba(244,67,54,.3);border-radius:var(--radius-md);cursor:pointer;min-height:40px;background:#f4433614;color:#ef5350;transition:all .2s}.modal-btn-primary:hover{opacity:.85}.modal-btn-secondary:hover{background:#ffffff0d;color:#ccc}.modal-btn-danger:hover{background:#f4433626}.modal-btn-primary:active,.modal-btn-secondary:active,.modal-btn-danger:active{transform:scale(.97)}canvas{touch-action:none!important;user-select:none!important;-webkit-user-select:none!important;-webkit-touch-callout:none!important}.canvas-screen-wrapper{touch-action:none!important;overscroll-behavior:none!important;user-select:none!important;-webkit-user-select:none!important;position:fixed;top:0;left:0;width:100vw;height:100vh;overflow:hidden}.canvas-screen-wrapper div,.canvas-screen-wrapper button{touch-action:none!important;overscroll-behavior:none!important}.top-bar{position:absolute;top:0;left:0;width:100%;padding:var(--space-xl);display:flex;justify-content:space-between;align-items:flex-start;background:linear-gradient(to bottom,rgba(0,0,0,.8),transparent);pointer-events:none;z-index:10;box-sizing:border-box}.top-bar>*{pointer-events:auto}.toolbar{position:absolute;bottom:max(var(--space-xl),env(safe-area-inset-bottom));left:50%;transform:translate(-50%);width:92%;max-width:var(--container-max);background:#141414f2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid #2a2a2a;border-radius:var(--radius-lg);padding:var(--space-md) var(--space-lg);display:flex;flex-direction:column;gap:var(--space-sm);z-index:100;box-shadow:0 8px 32px #0009;box-sizing:border-box}.brush-row{display:flex;justify-content:space-between;gap:5px}.brush-btn{flex:1;background:transparent;border:none;color:#888;border-radius:var(--radius-sm);padding:8px 0;font-size:var(--text-sm);cursor:pointer;display:flex;flex-direction:column;align-items:center;transition:all .2s}.brush-btn.active{background:#444;color:#fff}.brush-icon{font-size:var(--text-xl);margin-bottom:2px}.color-row{display:flex;justify-content:center;gap:var(--space-xl);margin-top:5px}.color-btn{width:30px;height:30px;border-radius:50%;border:2px solid #444;cursor:pointer;transition:all .2s}.color-btn.active{border-color:#fff;transform:scale(1.2)}.side-tools{position:absolute;right:15px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:15px;z-index:100;pointer-events:none}.side-tools>*{pointer-events:auto}.side-btn{width:44px;height:44px;border-radius:50%;background:#1e1e1ed9;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.15);color:#fff;font-size:18px;cursor:pointer;display:flex;justify-content:center;align-items:center;box-shadow:0 4px 10px #00000080;transition:all .2s}.side-btn:active{transform:scale(.9)}.tab-group{display:flex;gap:var(--space-sm);width:100%;max-width:var(--container-max);margin:var(--space-2xl) 0 var(--space-lg) 0}.tab{flex:1;padding:var(--space-md) 0;background:#14141499;color:#666;border:1px solid #222;border-radius:var(--radius-md);cursor:pointer;font-size:var(--text-sm);transition:all .2s;text-align:center}.tab.active{background:#222;color:#fff;border-color:#444;font-weight:700}.info-card{background:#121212;padding:var(--space-2xl);border-radius:var(--radius-lg);width:100%;max-width:var(--container-max);border:1px solid #222;box-shadow:0 12px 40px #0009;box-sizing:border-box;transition:max-width .25s cubic-bezier(.4,0,.2,1)}.info-card.doctor-mode{max-width:580px}.editable-block{cursor:text;padding:6px 8px;border-radius:6px;border:1px dashed transparent;transition:border-color .2s}.editable-block:hover{border-color:#555}.text-center{text-align:center}.text-muted{color:var(--text-sub)}.w-full{width:100%}.flex-center{display:flex;align-items:center;justify-content:center}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}@keyframes toastIn{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes breathPulse{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}@keyframes ringPulse{0%,to{transform:scale(1);opacity:.3}50%{transform:scale(1.15);opacity:0}}@media(max-width:480px){.toolbar{padding:var(--space-sm) var(--space-md)}.brush-btn{font-size:var(--text-xs);padding:6px 0}.brush-icon{font-size:var(--text-md)}.side-btn{width:38px;height:38px;font-size:15px}.info-card{padding:var(--space-lg)}.tab{font-size:var(--text-xs);padding:var(--space-sm) 0}}