:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--accent:#aa3bff;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font:18px/145% system-ui,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--accent:#c084fc}}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{overscroll-behavior:none}h1,h2{color:var(--text-h);margin:0;font-weight:500}button{font:inherit}.screen{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:24px;min-height:100svh;padding:32px 20px;display:flex}.text-input{border:1px solid var(--border);width:100%;max-width:420px;color:var(--text-h);background:0 0;border-radius:12px;padding:14px 16px;font-size:17px}.primary-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:12px;padding:12px 20px;font-size:17px;font-weight:600}.primary-btn:active{transform:scale(.97)}.idle{gap:20px}.start-btn{border-radius:14px;padding:20px 64px;font-size:20px}.declaration{color:var(--text);flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;font-size:18px;display:flex}.duration-picker{gap:6px;display:inline-flex}.duration-picker button{border:1px solid var(--border);color:var(--text);cursor:pointer;background:0 0;border-radius:8px;padding:6px 12px;font-size:15px}.duration-picker button.active{border-color:var(--accent);color:var(--text-h);font-weight:600}.session{color:#fff;justify-content:space-between;padding:48px 20px;transition:background 1.5s linear;position:relative}.session.guardrail{animation:1.2s ease-in-out infinite pulse}@keyframes pulse{0%,to{filter:brightness()}50%{filter:brightness(1.35)}}.progress-track{background:#fff3;border-radius:999px;width:100%;max-width:480px;height:6px;overflow:hidden}.progress-fill{height:100%;transition:width .25s linear}.elapsed{font-variant-numeric:tabular-nums;font-size:56px;font-weight:300}.stop-btn{color:#fff;cursor:pointer;background:#ffffff1a;border:1px solid #fff6;border-radius:16px;padding:16px 32px;font-size:17px}.retro-buttons{gap:16px;display:flex}.retro-work,.retro-drift{cursor:pointer;color:#fff;border:none;border-radius:18px;padding:20px 32px;font-size:18px;font-weight:600}.retro-work{background:#2f9e6b}.retro-drift{background:#6b6375}.history{width:100%;max-width:560px}.history-scroll{max-height:40vh;overflow-y:auto}.history-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.history-header h2{color:var(--text);font-size:16px;font-weight:500}.today-stat{color:var(--text);opacity:.8;font-weight:400}.end-day-btn{border:1px solid var(--border);color:var(--text);cursor:pointer;background:0 0;border-radius:8px;padding:6px 12px;font-size:13px}.history-empty{color:var(--text);font-size:15px}.day-divider{color:var(--text);align-items:center;gap:10px;margin:12px 0 8px;font-size:12px;display:flex}.day-divider:before,.day-divider:after{content:"";background:var(--border);flex:1;height:1px}.history-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.history-item{border-left:3px solid var(--border);text-align:left;background:#7f7f7f14;border-radius:10px;grid-template-columns:auto auto minmax(0,1fr);align-items:center;gap:14px;padding:12px 16px;font-size:14px;display:grid}.history-item.work{border-left-color:#2f9e6b}.history-item.drift{border-left-color:#6b6375}.history-time{color:var(--text-h);font-variant-numeric:tabular-nums;white-space:nowrap}.history-duration{color:var(--text);white-space:nowrap}.history-note{color:var(--text);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}