*,*:before,*:after{box-sizing:border-box}*{margin:0}html{interpolate-size:allow-keywords}body{line-height:1.5;-webkit-font-smoothing:antialiased}img,picture,video,svg{display:block;max-width:100%}input,button,textarea,select{font:inherit}p{overflow-wrap:break-word;text-wrap:pretty}h1,h2,h3,h4,h5,h6{overflow-wrap:break-word;text-wrap:balance}#root,#app{isolation:isolate}:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif;color-scheme:light dark;--pad-bg: #ffffff;--pad-stroke: #000000;--pad-text: #000000;--pad-toolbar-bg: rgba(255, 255, 255, .15);--pad-toolbar-border: rgba(255, 255, 255, .3);--pad-toolbar-text: #333333;--pad-history-bg: rgba(255, 255, 255, .12);--pad-history-item-bg: rgba(255, 255, 255, .1);--pad-history-text: #333333;--pad-history-subtext: #888888;--pad-overlay-bg: rgba(0, 0, 0, .25);--pad-confirm-bg: rgba(255, 255, 255, .18);--pad-confirm-text: #333333;--pad-btn-danger: #e53935;--pad-btn-cancel-bg: rgba(255, 255, 255, .2);--pad-btn-cancel-text: #333333;--glass-blur: 24px;--glass-border: rgba(255, 255, 255, .35);--glass-shadow: 0 8px 32px rgba(0, 0, 0, .08), 0 2px 8px rgba(0, 0, 0, .04), inset 0 1px 0 rgba(255, 255, 255, .5);--glass-highlight: rgba(255, 255, 255, .6);--glass-hover: rgba(255, 255, 255, .25);--glass-active: rgba(255, 255, 255, .35)}@media(prefers-color-scheme:dark){:root{--pad-bg: #000000;--pad-stroke: #ffffff;--pad-text: #ffffff;--pad-toolbar-bg: rgba(255, 255, 255, .08);--pad-toolbar-border: rgba(255, 255, 255, .12);--pad-toolbar-text: #e0e0e0;--pad-history-bg: rgba(255, 255, 255, .06);--pad-history-item-bg: rgba(255, 255, 255, .05);--pad-history-text: #e0e0e0;--pad-history-subtext: #888888;--pad-overlay-bg: rgba(0, 0, 0, .5);--pad-confirm-bg: rgba(255, 255, 255, .1);--pad-confirm-text: #e0e0e0;--pad-btn-danger: #ef5350;--pad-btn-cancel-bg: rgba(255, 255, 255, .1);--pad-btn-cancel-text: #e0e0e0;--glass-blur: 24px;--glass-border: rgba(255, 255, 255, .15);--glass-shadow: 0 8px 32px rgba(0, 0, 0, .3), 0 2px 8px rgba(0, 0, 0, .2), inset 0 1px 0 rgba(255, 255, 255, .1);--glass-highlight: rgba(255, 255, 255, .12);--glass-hover: rgba(255, 255, 255, .12);--glass-active: rgba(255, 255, 255, .18)}}body{min-height:100vh;overflow:hidden}#app{width:100vw;height:100vh;overflow:hidden}.pad{position:fixed;inset:0;width:100vw;height:100vh;overflow:hidden;background:var(--pad-bg);user-select:none;-webkit-user-select:none}.pad-canvas{display:block;width:100%;height:100%;touch-action:none;cursor:crosshair}.pad-selection{position:absolute;border:2px dashed var(--pad-toolbar-text);background:#1e88e514;pointer-events:none;z-index:4;animation:marchingAnts .4s linear infinite}@keyframes marchingAnts{0%{border-color:var(--pad-toolbar-text)}50%{border-color:transparent}to{border-color:var(--pad-toolbar-text)}}.pad-selection-actions{position:absolute;bottom:-44px;left:50%;transform:translate(-50%);display:flex;gap:4px;background:var(--pad-toolbar-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:10px;padding:4px;box-shadow:var(--glass-shadow);pointer-events:auto;z-index:5;animation:glassPopIn .15s ease}.pad-selection-action-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border:none;background:transparent;border-radius:8px;color:var(--pad-toolbar-text);cursor:pointer;transition:background .15s ease}.pad-selection-action-btn:hover{background:var(--glass-hover)}.pad-selection-action-btn svg{width:16px;height:16px}.pad-selection-action-danger:hover{background:#e5393526;color:var(--pad-btn-danger)}.pad-selection-preview{width:100%;height:100%;display:block;pointer-events:none}.pad-flip-container{position:absolute;inset:0;perspective:1500px;z-index:5;pointer-events:none}.pad-flip-page{width:100%;height:100%;object-fit:cover;transform-origin:left center;animation:pageFlip .7s ease-in forwards;backface-visibility:hidden}@keyframes pageFlip{0%{transform:rotateY(0);opacity:1}60%{opacity:1}to{transform:rotateY(-180deg);opacity:0}}.pad-text-input{position:absolute;background:transparent;border:1px dashed var(--pad-toolbar-border);color:var(--pad-text);line-height:1.4;padding:4px 6px;min-height:36px;resize:none;outline:none;z-index:5;box-sizing:border-box;overflow:hidden}.pad-drawer{position:fixed;top:0;left:0;right:0;z-index:10;transform:translateY(calc(-100% + 32px));transition:transform .3s ease;display:flex;flex-direction:column;align-items:center}.pad-drawer.open{transform:translateY(0)}.pad-drawer-handle{display:flex;align-items:center;justify-content:center;width:100%;height:32px;cursor:pointer;touch-action:none;-webkit-tap-highlight-color:transparent}.pad-drawer-handle-bar{width:40px;height:4px;border-radius:2px;background:var(--pad-toolbar-text);opacity:.4;transition:opacity .2s ease}.pad-drawer-handle:hover .pad-drawer-handle-bar{opacity:.7}.pad-drawer-content{display:flex;gap:4px;background:var(--pad-toolbar-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-top:none;border-radius:0 0 16px 16px;padding:8px 12px;padding-top:calc(8px + env(safe-area-inset-top,0px));width:auto}.pad-drawer.open 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#00000080;transform:translate(-50%,-50%);pointer-events:none}.pad-hue-container{position:relative;width:100%;height:20px;border-radius:10px;overflow:hidden;z-index:1}.pad-hue-canvas{width:100%;height:100%;display:block;cursor:pointer;touch-action:none}.pad-hue-indicator{position:absolute;top:50%;width:8px;height:20px;border-radius:3px;border:2px solid white;box-shadow:0 0 2px #00000080;transform:translate(-50%,-50%);pointer-events:none}.pad-gradient-config{display:flex;flex-direction:column;gap:8px;position:relative;z-index:1}.pad-gradient-stops{display:flex;gap:8px;justify-content:center}.pad-gradient-stop{width:32px;height:32px;border-radius:50%;border:3px solid transparent;cursor:pointer;box-shadow:inset 0 0 0 1px #8080804d,0 2px 4px #00000026;transition:transform .15s}.pad-gradient-stop.active{border-color:var(--pad-toolbar-text);transform:scale(1.1)}.pad-gradient-types{display:flex;gap:4px}.pad-gradient-type-btn{flex:1;border:1px solid var(--glass-border);background:transparent;color:var(--pad-toolbar-text);font-size:11px;padding:4px 0;border-radius:6px;cursor:pointer;transition:background .15s}.pad-gradient-type-btn.active{background:var(--glass-active)}.pad-gradient-angle{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--pad-toolbar-text)}.pad-gradient-angle label{font-weight:500;min-width:36px}.pad-gradient-angle input[type=range]{flex:1;height:4px;accent-color:var(--pad-toolbar-text)}.pad-gradient-angle span{min-width:32px;text-align:right;font-size:11px;opacity:.7}.pad-gradient-preview{width:100%;height:24px;border-radius:6px;border:1px solid var(--glass-border)}.pad-shape-picker{position:fixed;top:100px;left:50%;transform:translate(-50%);background:var(--pad-toolbar-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:14px;padding:6px;z-index:15;display:flex;gap:4px;align-items:center;box-shadow:var(--glass-shadow);animation:glassPopIn .2s ease}.pad-shape-picker:before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(180deg,var(--glass-highlight) 0%,transparent 50%);opacity:.4}.pad-shape-divider{width:1px;height:24px;background:var(--glass-border);margin:0 2px}.pad-shape-option{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;background:transparent;border-radius:8px;color:var(--pad-toolbar-text);cursor:pointer;transition:background .15s ease;position:relative;z-index:1}.pad-shape-option:hover{background:var(--glass-hover)}.pad-shape-option.active{background:var(--glass-active)}.pad-shape-option svg{width:20px;height:20px}.pad-text-options{position:fixed;top:100px;left:50%;transform:translate(-50%);background:var(--pad-toolbar-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:14px;padding:10px;z-index:15;display:flex;flex-direction:column;gap:10px;box-shadow:var(--glass-shadow);animation:glassPopIn .2s ease;width:220px}.pad-text-options:before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(180deg,var(--glass-highlight) 0%,transparent 50%);opacity:.4}.pad-text-section{display:flex;flex-direction:column;gap:4px;position:relative;z-index:1}.pad-text-section label{font-size:11px;font-weight:600;color:var(--pad-toolbar-text);text-transform:uppercase;letter-spacing:.5px;opacity:.7}.pad-text-align-btns{display:flex;gap:4px}.pad-text-align-btn{display:flex;align-items:center;justify-content:center;width:36px;height:32px;border:1px solid var(--glass-border);background:transparent;border-radius:6px;color:var(--pad-toolbar-text);cursor:pointer;transition:background .15s}.pad-text-align-btn.active{background:var(--glass-active)}.pad-text-align-btn svg{width:16px;height:16px}.pad-text-font-select{background:#8080801a;border:1px solid var(--glass-border);border-radius:6px;color:var(--pad-toolbar-text);font-size:13px;padding:5px 8px;cursor:pointer}.pad-text-size-btns{display:flex;gap:4px}.pad-text-size-btn{flex:1;border:1px solid var(--glass-border);background:transparent;color:var(--pad-toolbar-text);font-size:12px;padding:4px 0;border-radius:6px;cursor:pointer;transition:background .15s}.pad-text-size-btn.active{background:var(--glass-active)}.pad-history-overlay{position:absolute;inset:0;background:var(--pad-overlay-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:20;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes glassPopIn{0%{opacity:0;transform:scale(.95) translateY(-4px)}to{opacity:1;transform:scale(1) translateY(0)}}.pad-history-panel{position:absolute;top:0;left:0;bottom:0;width:min(320px,85dvw);background:var(--pad-history-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border-right:1px solid var(--glass-border);box-shadow:var(--glass-shadow);z-index:21;display:flex;flex-direction:column;animation:slideIn .2s ease}@keyframes slideIn{0%{transform:translate(-100%)}to{transform:translate(0)}}.pad-history-header{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid var(--glass-border)}.pad-history-header h2{font-size:18px;font-weight:600;color:var(--pad-history-text);margin:0}.pad-history-close{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border:none;background:transparent;border-radius:6px;color:var(--pad-history-text);cursor:pointer;font-size:20px}.pad-history-close:hover{background:var(--glass-hover)}.pad-history-list{flex:1;overflow-y:auto;padding:8px}.pad-history-empty{padding:32px 16px;text-align:center;color:var(--pad-history-subtext);font-size:14px}.pad-history-item{display:flex;align-items:center;gap:12px;padding:8px;border-radius:10px;cursor:pointer;transition:background .15s,box-shadow .2s}.pad-history-item:hover{background:var(--glass-hover);box-shadow:0 2px 8px #0000000f}.pad-history-thumb{width:60px;height:45px;border-radius:6px;border:1px solid var(--glass-border);object-fit:cover;background:var(--pad-bg);flex-shrink:0}.pad-history-info{flex:1;min-width:0}.pad-history-name{font-size:13px;font-weight:500;color:var(--pad-history-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:text;border-radius:4px;padding:1px 3px;margin:-1px -3px}.pad-history-name:hover{background:var(--glass-hover)}.pad-history-name-input{font-size:13px;font-weight:500;color:var(--pad-history-text);background:#8080801a;border:1px solid var(--glass-border);border-radius:4px;padding:1px 3px;margin:-1px -3px;width:100%;outline:none;font-family:inherit}.pad-history-name-input:focus{border-color:var(--pad-toolbar-text)}.pad-history-time{font-size:11px;color:var(--pad-history-subtext)}.pad-history-delete{display:flex;align-items:center;justify-content:center;width:28px;height:28px;border:none;background:transparent;border-radius:6px;color:var(--pad-history-subtext);cursor:pointer;flex-shrink:0}.pad-history-delete:hover{background:#e5393526;color:var(--pad-btn-danger)}.pad-confirm-overlay{position:absolute;inset:0;background:var(--pad-overlay-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:30;display:flex;align-items:center;justify-content:center}.pad-confirm-dialog{background:var(--pad-confirm-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border:1px solid var(--glass-border);border-radius:18px;padding:24px;max-width:300px;width:90%;text-align:center;box-shadow:var(--glass-shadow);animation:glassPopIn .2s ease}.pad-confirm-dialog p{color:var(--pad-confirm-text);margin-bottom:20px;font-size:15px}.pad-confirm-actions{display:flex;gap:12px;justify-content:center}.pad-confirm-actions button{padding:8px 20px;border:1px solid var(--glass-border);border-radius:10px;font-size:14px;font-weight:500;cursor:pointer;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:background .15s ease,box-shadow .2s ease}.pad-btn-cancel{background:var(--pad-btn-cancel-bg);color:var(--pad-btn-cancel-text)}.pad-btn-cancel:hover{background:var(--glass-hover)}.pad-btn-danger{background:var(--pad-btn-danger);color:#fff;border-color:transparent}.pad-btn-danger:hover{box-shadow:0 0 12px #e5393566}@media(min-width:768px){.pad-drawer{transform:translateY(0)}.pad-drawer-handle{display:none}}