:root{color-scheme:dark;--bg:#081018;--panel:#0d1722;--panel-raised:#111e2b;--line:#1d2a37;--muted:#82909f;--text:#e8edf0;--green:#b8f36b;--green-dim:#89bd47;--mono:"DM Mono",ui-monospace,SFMono-Regular,Consolas,monospace;--sans:"DM Sans","Lexend Deca",sans-serif}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:var(--sans)}body{min-height:100vh;display:flex;overflow:hidden}button{font:inherit;color:inherit}.history{width:286px;flex:none;height:100vh;background:#0a131c;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:23px 19px 15px;transition:width .22s ease,padding .22s ease,transform .22s ease;z-index:3}.history.collapsed{width:0;padding-left:0;padding-right:0;border:0;overflow:hidden}.history-top{height:26px;display:flex;align-items:center;justify-content:space-between}.back-link{font-size:12px;color:var(--green);text-decoration:none;font-weight:600;white-space:nowrap}.back-link:hover{color:#d1ff9b}.icon-button{background:transparent;border:1px solid transparent;width:34px;height:34px;border-radius:8px;color:#aab5bf;cursor:pointer;display:grid;place-items:center;font-size:17px}.icon-button:hover{background:var(--panel-raised);border-color:var(--line);color:var(--green)}.history-brand{display:flex;align-items:center;gap:11px;margin:29px 0 28px}.brand-mark{display:grid;place-items:center;background:var(--green);color:#14200d;border-radius:9px;font-size:18px;font-weight:700;width:37px;height:37px}.eyebrow{font:10px var(--mono);letter-spacing:.11em;color:var(--muted)}.history-brand h1{font-size:18px;margin:2px 0 0;font-weight:600;letter-spacing:-.03em}.session-heading,.history-label{display:flex;justify-content:space-between;color:#788695;font:9px var(--mono);letter-spacing:.09em}.session-heading{padding-bottom:12px;border-bottom:1px solid var(--line)}.session-heading span:last-child{color:#a1adb7}.session-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px 8px;padding:16px 0 21px;border-bottom:1px solid var(--line)}.session-stats div{display:flex;flex-direction:column;gap:5px}.session-stats span{color:#84919d;font-size:11px}.session-stats strong{font:16px var(--mono);color:#e3e9ec}.history-label{margin:19px 0 8px}.solve-list{list-style:none;padding:0;margin:0;overflow:auto;flex:1;min-height:30px}.solve-item{display:grid;grid-template-columns:30px 1fr auto;gap:9px;align-items:center;padding:9px 4px;border-bottom:1px solid rgba(29,42,55,.65);font:12px var(--mono);cursor:pointer;border-radius:4px}.solve-item:hover{background:#101c27}.solve-index{color:#647281;font-size:10px}.solve-time{color:#dfe7e9}.solve-time.penalty{color:var(--green)}.solve-meta{color:#778593;font-size:9px}.history-actions{display:flex;gap:8px;margin-top:12px}.quiet-button{background:transparent;border:1px solid #243341;border-radius:6px;padding:7px 12px;font-size:11px;color:#afbac4;cursor:pointer}.quiet-button:hover{border-color:var(--green);color:var(--green)}.local-note{font-size:10px;color:#74818e;margin:14px 0 0}.local-note span{color:var(--green);font-size:8px;margin-right:5px}.main-area{display:flex;flex:1;min-width:0;min-height:100vh;flex-direction:column;padding:25px clamp(22px,5vw,76px) 17px}.topbar{display:flex;align-items:center;justify-content:space-between;min-height:35px}.menu-button{margin-left:-8px}.event-pill{margin-right:auto;margin-left:12px;border:1px solid #23313d;border-radius:20px;padding:7px 11px;color:#c2cbd2;font-size:11px;display:flex;align-items:center;gap:7px}.event-dot{width:6px;height:6px;background:var(--green);border-radius:50%;box-shadow:0 0 8px #b8f36b66}.topbar-actions{display:flex;align-items:center;gap:12px}.top-action{background:transparent;border:1px solid #23313d;border-radius:7px;padding:8px 10px;color:#b9c3cb;cursor:pointer;font-size:12px}.top-action:hover,.top-action[aria-pressed=true]{border-color:#52673b;color:var(--green)}.top-action i{font:10px var(--mono);color:#738090;padding-left:5px}.topbar .icon-button{font-size:16px}.timer-stage{width:min(930px,100%);margin:auto;display:flex;flex-direction:column;align-items:center}.scramble-area{width:min(770px,100%);min-height:120px;position:relative;padding:0 38px 15px;text-align:center}.section-label{display:flex;justify-content:center;gap:10px;color:#81909c;font:10px var(--mono);letter-spacing:.13em}.section-label span:last-child{font-size:9px;letter-spacing:.06em;color:#647482}.scramble{font:clamp(14px,1.45vw,17px)/1.9 var(--mono);letter-spacing:.015em;color:#dce4e7;margin:14px auto 0;max-width:760px}.scramble-refresh{position:absolute;right:0;top:24px;background:transparent;border:1px solid #23313d;color:#84919d;width:29px;height:29px;border-radius:6px;cursor:pointer;font-size:19px}.scramble-refresh:hover{color:var(--green);border-color:#52673b}.timer-wrap{margin-top:clamp(22px,6vh,65px);text-align:center}.timer-display{font:clamp(94px,17vw,202px)/.95 var(--mono);letter-spacing:-.085em;font-variant-numeric:tabular-nums;color:#f0f3f4;transition:color .12s;user-select:none}.timer-display.ready{color:var(--green)}.timer-display.inspect{color:#d9e7a5}.timer-display.warning{color:#ffb454}.timer-hint{font:10px var(--mono);letter-spacing:.14em;color:#677785;margin-top:18px}.averages{display:flex;gap:12px;margin-top:clamp(37px,7vh,70px)}.average-card{width:160px;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px 16px;display:flex;align-items:center;justify-content:space-between}.average-card span{font:9px var(--mono);letter-spacing:.07em;color:#84919c}.average-card strong{font:16px var(--mono);color:#e1e8e9}.bottom-actions{width:min(470px,100%);display:flex;justify-content:space-between;align-items:center;margin-top:28px;color:#667482;font:9px var(--mono);letter-spacing:.08em}.text-action{border:0;background:transparent;color:#85929e;font:11px var(--sans);cursor:pointer;padding:5px}.text-action:hover:not(:disabled){color:var(--green)}.text-action:disabled{opacity:.35;cursor:default}.keyboard-note{font-size:10px;color:#687683;text-align:center}.keyboard-note kbd{font:10px var(--mono);color:#a9b4bc;border:1px solid #34414d;border-radius:4px;padding:3px 5px}.keyboard-note span{padding:0 5px;color:#3e4b57}.settings-dialog{background:#0e1822;color:var(--text);border:1px solid #293846;border-radius:12px;padding:24px;width:min(440px,calc(100vw - 32px));box-shadow:0 20px 80px #0009}.settings-dialog::backdrop{background:#02070bbd;backdrop-filter:blur(3px)}.dialog-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.dialog-heading h2{font-size:21px;margin:4px 0 0}.setting-row{display:flex;justify-content:space-between;align-items:center;padding:17px 0;border-top:1px solid var(--line)}.setting-row span{display:flex;flex-direction:column;gap:5px}.setting-row strong{font-size:13px;font-weight:500}.setting-row small{font-size:11px;color:var(--muted)}input[type=checkbox]{accent-color:var(--green);width:17px;height:17px}.settings-footnote{color:#86939f;font-size:11px;line-height:1.6;margin:9px 0 18px}.done-button{background:var(--green);border:0;border-radius:6px;color:#14200d;font-weight:700;padding:10px 18px;cursor:pointer}.toast{position:fixed;bottom:50px;left:50%;transform:translate(-50%,10px);opacity:0;pointer-events:none;background:#1b2934;border:1px solid #344654;color:#e3e9ec;border-radius:7px;padding:10px 15px;font-size:12px;transition:.2s;z-index:5}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:760px){body{overflow:auto}.history{position:fixed;inset:0 auto 0 0;width:min(300px,86vw);box-shadow:15px 0 50px #0005}.history.collapsed{transform:translateX(-100%);width:min(300px,86vw);padding:23px 19px 15px;border-right:1px solid var(--line)}.history.collapsed>*{visibility:hidden}.history-top .icon-button{margin-right:-8px}.main-area{min-height:100svh;padding:16px 18px max(14px,env(safe-area-inset-bottom))}.topbar{min-height:38px}.top-action{padding:7px 8px}.top-action span{display:none}.event-pill{margin-left:5px}.timer-stage{flex:1;justify-content:center;padding:15px 0 42px}.scramble-area{min-height:145px;padding-inline:20px 35px}.scramble{font-size:13px;line-height:1.8}.timer-wrap{margin-top:20px}.timer-display{font-size:clamp(76px,22vw,145px)}.timer-hint{margin-top:15px;font-size:9px}.averages{margin-top:55px;gap:8px;width:100%;justify-content:center}.average-card{width:min(46%,170px);padding:11px 12px}.average-card span{font-size:8px}.average-card strong{font-size:14px}.bottom-actions{margin-top:25px}.keyboard-note{font-size:9px;line-height:1.8}.keyboard-note kbd{font-size:9px}}@media(max-height:650px) and (min-width:761px){.timer-stage{transform:scale(.86)}.keyboard-note{padding-bottom:4px}}

/* Clearer hierarchy, calmer surfaces, and explicit per-solve controls. */
body{background:radial-gradient(ellipse at 52% 40%,#12202b 0%,var(--bg) 68%)}
.history{background:rgba(8,16,24,.92);border-right-color:#263543}
.history-brand{margin-bottom:24px}
.session-heading,.history-label,.section-label{font-size:10px;letter-spacing:.12em}
.session-stats{gap:12px;padding:15px 0 18px}
.session-stats div{background:#0e1923;border:1px solid #1b2b38;border-radius:8px;padding:10px}
.session-stats strong{font-size:17px}
.main-area{padding-top:20px}
.scramble-area{background:linear-gradient(145deg,rgba(17,30,42,.8),rgba(10,19,28,.62));border:1px solid #223341;border-radius:14px;padding:17px 76px 18px;min-height:128px}
.scramble{font-size:clamp(14px,1.4vw,17px);line-height:1.75;color:#eef3f4}
.scramble-actions{position:absolute;right:12px;top:12px;display:flex;gap:6px}
.scramble-refresh{position:static;width:32px;height:30px;font-size:18px}
.scramble-tool{height:30px;border:1px solid #23313d;border-radius:6px;background:transparent;color:#a8b5bf;padding:0 9px;font-size:10px;cursor:pointer}
.scramble-tool:hover{border-color:#52673b;color:var(--green)}
.timer-wrap{margin-top:clamp(30px,7vh,75px)}
.timer-display{letter-spacing:-.065em;text-shadow:0 8px 35px #0005}
.averages{margin-top:clamp(32px,6vh,64px)}
.average-card{width:175px;background:rgba(16,28,39,.88);border-color:#263744;padding:13px 15px}
.average-card span{font-size:9px;letter-spacing:.08em}
.average-card strong{font-size:17px}
.bottom-actions{width:min(520px,100%);margin-top:24px}
.solve-help{font:9px var(--mono);letter-spacing:.05em;color:#758493}
.solve-item{grid-template-columns:27px 1fr auto;gap:7px;padding:7px 5px}
.solve-time{font-size:13px;font-weight:500}
.solve-penalty{min-width:51px;border:1px solid #2a3b49;border-radius:5px;background:#111e29;color:#b9c5ce;padding:4px 5px;font:10px var(--mono);cursor:pointer}
.solve-penalty:focus-visible,.scramble-tool:focus-visible,.scramble-refresh:focus-visible,.icon-button:focus-visible,.top-action:focus-visible{outline:2px solid var(--green);outline-offset:2px}
.solve-penalty option{background:#111e29;color:#e8edf0}
.keyboard-note{color:#8794a0}
@media(max-width:760px){.scramble-area{padding:49px 15px 14px;min-height:164px}.scramble-actions{right:10px;top:10px}.scramble{font-size:13px;line-height:1.7}.timer-wrap{margin-top:27px}.averages{margin-top:38px}.average-card{width:min(46%,180px)}.solve-help{font-size:8px}.session-stats div{padding:9px}}
.session-controls{display:grid;grid-template-columns:1fr auto;gap:7px;margin:12px 0 13px}
.session-picker-label{grid-column:1/-1;color:#758493;font:9px var(--mono);letter-spacing:.1em}
.session-controls select{min-width:0;width:100%;border:1px solid #2a3b49;border-radius:6px;background:#111e29;color:#e7edf0;padding:8px 9px;font:11px var(--sans)}
.new-session-button{border:1px solid #536b3b;border-radius:6px;background:#18251b;color:var(--green);padding:0 10px;font-size:11px;font-weight:600;cursor:pointer;white-space:nowrap}
.new-session-button:hover{background:#22321e}
.session-manage{grid-column:1/-1;display:flex;gap:6px}
.session-manage .quiet-button{flex:1;padding:6px 5px;font-size:10px}
.session-manage .quiet-button:disabled{opacity:.38;cursor:default}
.session-dialog{width:min(400px,calc(100vw - 32px))}
.session-name-label{display:block;color:#aab6c0;font-size:12px;margin:12px 0 7px}
.session-name-input{width:100%;border:1px solid #304251;border-radius:7px;background:#09131c;color:var(--text);font:14px var(--sans);padding:11px 12px;outline:none}
.session-name-input:focus{border-color:var(--green);box-shadow:0 0 0 3px #b8f36b22}
.session-dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}
.session-dialog-actions .quiet-button{padding:9px 15px}
.solve-list{min-height:24px}