:root{--bg-dark:#020617;--accent:#0ea5e9;--accent-glow:#0ea5e966;--glass-bg:#0f172a99;--glass-border:#ffffff14;--text-main:#f8fafc;--text-muted:#94a3b8}*{box-sizing:border-box;-webkit-user-select:none;user-select:none;touch-action:none;margin:0;padding:0}body{background-color:var(--bg-dark);color:var(--text-main);height:100dvh;font-family:Inter,sans-serif;overflow:hidden}#root{flex-direction:column;width:100%;height:100%;display:flex}.mobile-layout{flex-direction:column;width:100%;height:100%;display:flex;position:relative}.canvas-wrapper{background-color:var(--bg-dark);flex-grow:1;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.glow{filter:blur(90px);z-index:0;pointer-events:none;border-radius:50%;position:absolute}.glow-1{background:radial-gradient(circle,#0ea5e933 0%,#02061700 70%);width:300px;height:300px;top:10%;left:-50px}.glow-2{background:radial-gradient(circle,#6366f126 0%,#02061700 70%);width:400px;height:400px;bottom:-100px;right:-100px}.center-camera{color:var(--text-muted);cursor:pointer;z-index:10;background:0 0;border:none;justify-content:center;align-items:center;transition:all .3s;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.center-camera:hover{color:#fff;transform:translate(-50%,-50%)scale(1.05)}.center-camera:active{color:var(--accent);transform:translate(-50%,-50%)scale(.95)}.btn-close{z-index:20;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;cursor:pointer;background:#0f172a99;border:1px solid #fff3;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;display:flex;position:absolute;top:1rem;right:1rem;box-shadow:0 4px 12px #0000004d}.app-header{z-index:30;pointer-events:none;background:linear-gradient(#020617e6,#0000);flex-direction:row;justify-content:space-between;align-items:center;padding:1rem 1.5rem;display:flex;position:absolute;top:0;left:0;right:0}.history-header{background:var(--bg-dark)}.app-title{color:#fff;pointer-events:auto;margin:0;font-size:1.2rem;font-weight:500;position:absolute;left:50%;transform:translate(-50%)}.header-bottom-row{pointer-events:none;justify-content:space-between;width:100%;display:flex}.header-left-tools,.header-right-tools{pointer-events:auto;gap:.5rem;display:flex}@media (width<=600px){.app-header{flex-direction:column;gap:12px}.app-title{text-align:center;order:1;width:100%;position:static;transform:none}.header-bottom-row{order:2}}.btn-top{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;cursor:pointer;background:#0f172a99;border:1px solid #fff3;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;transition:all .2s;display:flex;box-shadow:0 4px 12px #0000004d}.btn-top:active{transform:scale(.9)}.history-overlay{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:50;background:#020617f2;flex-direction:column;width:100%;height:100%;display:flex;position:absolute;top:0;left:0}.chart-wrapper{width:100%;height:250px;margin:0 auto;padding:1rem}@media (width>=768px){.chart-wrapper{max-width:600px;height:400px}}.history-scroll-area{touch-action:pan-y;-ms-overflow-style:none;scrollbar-width:none;flex:1;width:100%;padding-top:80px;overflow-y:auto}.history-scroll-area::-webkit-scrollbar{display:none}.history-list-header{justify-content:space-between;align-items:center;width:100%;max-width:800px;margin:0 auto -.5rem;padding:0 1rem;display:flex}.history-count{color:var(--text-muted);font-size:.9rem}.btn-sort{color:var(--text-muted);cursor:pointer;background:0 0;border:1px solid #ffffff1a;border-radius:12px;align-items:center;gap:6px;padding:4px 10px;font-size:.85rem;transition:all .2s;display:flex}.btn-sort:hover{color:#fff;background:#ffffff0d}.history-list{grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;width:100%;max-width:800px;margin:0 auto;padding:1rem;display:grid}.history-card{background:#ffffff0d;border:1px solid #ffffff1a;border-radius:8px;flex-direction:column;transition:transform .2s,box-shadow .2s;display:flex;position:relative;overflow:hidden}.history-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000004d}.history-card-image{aspect-ratio:1;object-fit:cover;cursor:pointer;background:#000;border-radius:6px;width:calc(100% - 16px);margin:8px 8px 0}.history-card-info{flex-direction:column;align-items:center;gap:4px;padding:10px;display:flex}.history-card-date{color:var(--text-main);cursor:pointer;font-size:.85rem;font-weight:500}.history-card-area{color:var(--accent);align-items:baseline;gap:4px;font-size:1.1rem;font-weight:600;display:flex}.history-card-unit{color:var(--text-muted);font-size:.8rem;font-weight:400}.btn-delete-session{color:#cbd5e1;cursor:pointer;filter:drop-shadow(0 2px 4px #000c);background:0 0;border:none;justify-content:center;align-items:center;padding:6px;transition:all .2s;display:flex;position:absolute;top:6px;right:6px}.btn-delete-session:hover{color:#fff;transform:scale(1.1)}.left-floating-panel{z-index:10;pointer-events:none;flex-direction:column;gap:50px;display:flex;position:absolute;top:80px;left:1.5rem}@media (width<=600px){.left-floating-panel{top:140px;left:1rem}}.metrics-overlay{pointer-events:none;flex-direction:column;gap:.4rem;display:flex}.metric-group{flex-direction:column;gap:.1rem;display:flex}.label-out{color:#fff;text-shadow:0 1px 3px #000c;font-size:11px;font-weight:600}.metric-box{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);pointer-events:auto;background:#0f172a99;border:1px solid #fff6;border-radius:8px;align-items:center;width:75px;height:32px;padding:.15rem .4rem;display:flex}.metric-box strong{color:#fff;text-align:center;width:100%;font-size:1.2rem;font-weight:500}.metric-box input{color:#fff;text-align:center;width:100%;caret-color:var(--accent);background:0 0;border:none;outline:none;font-family:Inter,sans-serif;font-size:1.2rem;font-weight:400}.metric-box input::selection{background-color:var(--accent);color:#fff}.metric-box input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.metric-box input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.metric-box input[type=number]{-moz-appearance:textfield}.metric-group.highlight .metric-box{background:#0ea5e933;border-color:#0ea5e9cc}.metric-group.highlight strong{color:var(--accent);text-shadow:0 0 8px var(--accent-glow)}.hotkeys-cheatsheet{pointer-events:auto;opacity:.6;flex-direction:column;gap:12px;transition:opacity .3s;display:flex}.hotkey-item{color:var(--text-muted);opacity:.6;font-family:Consolas,Monaco,monospace;font-size:.8rem}.hotkey-item u{text-decoration:underline}@media (width<=768px),(pointer:coarse){.hotkeys-cheatsheet{display:none}}.floating-menu{z-index:10;pointer-events:none;gap:2.5rem;display:flex;position:absolute;bottom:2rem;left:50%;transform:translate(-50%)}.icon-tool{color:#fffc;cursor:pointer;pointer-events:auto;filter:drop-shadow(0 2px 4px #000c);background:0 0;border:none;flex-direction:column;justify-content:center;align-items:center;gap:.3rem;transition:all .2s;display:flex}.tool-label{text-shadow:0 1px 3px #000;font-size:11px;font-weight:500}.icon-tool:hover{color:#fff;transform:scale(1.05)}.icon-tool.active{color:var(--accent);transform:scale(1.1)}.disabled{opacity:.3;pointer-events:none;transition:opacity .3s}.hidden{display:none!important}.toast-notification{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:#fff;z-index:9999;pointer-events:none;background:#0f172ad9;border:1px solid #ffffff1a;border-radius:12px;align-items:center;gap:12px;padding:16px 24px;font-size:1rem;font-weight:500;animation:2.5s forwards fadeInOut;display:flex;position:fixed;top:calc(50% - 100px);left:50%;transform:translate(-50%);box-shadow:0 8px 32px #0006}@keyframes fadeInOut{0%{opacity:0;filter:blur(4px);transform:translate(-50%,10px)}15%{opacity:1;filter:blur();transform:translate(-50%)}85%{opacity:1;filter:blur();transform:translate(-50%)}to{opacity:0;filter:blur(4px);transform:translate(-50%,-10px)}}.custom-modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:9999;background:#0009;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:absolute;top:0;left:0}.custom-modal{text-align:center;background:#1e293b;border:1px solid #ffffff1a;border-radius:16px;flex-direction:column;align-items:center;gap:20px;width:90%;max-width:320px;padding:24px;animation:.2s cubic-bezier(.16,1,.3,1) modalPop;display:flex;box-shadow:0 20px 40px #00000080}@keyframes modalPop{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.custom-modal-icon{width:48px;height:48px;color:var(--text-main);background:#ffffff0d;border-radius:50%;justify-content:center;align-items:center;display:flex}.custom-modal-icon.success{color:var(--accent);background:#0ea5e91a}.custom-modal-title{color:#fff;margin:0;font-size:1.1rem;font-weight:600}.custom-modal-buttons{gap:12px;width:100%;display:flex}.custom-modal-btn{cursor:pointer;border:none;border-radius:8px;flex:1;padding:10px;font-weight:600;transition:background .2s}.custom-modal-btn.cancel{color:var(--text-muted);background:0 0;border:1px solid #fff3}.custom-modal-btn.cancel:hover{color:#fff;background:#ffffff0d}.custom-modal-btn.danger{color:#fff;background:#ffffff1a}.custom-modal-btn.danger:hover{background:#fff3}.custom-modal-btn.success{background:var(--accent);color:#fff}.custom-modal-btn.success:hover{background:var(--accent-hover)}.date-edit-container{width:100%;padding:2px}.date-edit-input{border:1px solid var(--accent);color:#fff;width:100%;caret-color:var(--accent);background:#0f172acc;border-radius:4px;outline:none;padding:2px 4px;font-family:inherit;font-size:.75rem}.edit-pencil-icon{vertical-align:middle;opacity:0;margin-left:4px;transition:opacity .2s;display:inline-block}.history-card-date:hover .edit-pencil-icon{opacity:.8}