:root {
  color-scheme: dark;
  --ground: #070b12; --surface: #0d1520; --raised: #182534; --control: #263749;
  --text: #f4f6f8; --muted: #a6b2be; --faint: #91a0b0; --accent: #e8782e; --on-accent: #170c04;
  --positive: #70e8e0; --border: #263342; --rule: #1b2734;
  --glass: rgba(28,43,59,.63); --glass-edge: rgba(216,234,251,.15); --glass-hi: rgba(255,255,255,.11);
  --clock-rim: #2a3949; --clock-shell: #0d1825; --clock-face: #10202f; --tick: #91a2b4;
  --shadow: rgba(0,0,0,.35); --scrim: rgba(0,4,9,.62);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", system-ui, sans-serif;
  --ease-out: cubic-bezier(.23,1,.32,1); --ease-in-out: cubic-bezier(.77,0,.175,1);
  --radius: 26px; --duration: 220ms;
  font-family: var(--font); font-size: 16px; font-synthesis: none; -webkit-font-smoothing: antialiased;
  scroll-behavior: auto; scrollbar-color: var(--control) var(--ground); background: var(--ground); color: var(--text);
}
:root[data-theme="day"] {
  color-scheme: light; --ground: #eeefed; --surface: #e3e6e5; --raised: #d4dcdf; --control: #b3bdc3;
  --text: #10202f; --muted: #4c5b69; --faint: #536371; --accent: #e8782e; --on-accent: #170c04;
  --positive: #176c64; --border: #bdc7cb; --rule: #d0d6d8;
  --glass: rgba(246,248,247,.72); --glass-edge: rgba(255,255,255,.8); --glass-hi: rgba(255,255,255,.8);
  --clock-rim: #cad4d9; --clock-shell: #d7dfe2; --clock-face: #e7edee; --tick: #576b7a;
  --shadow: rgba(20,39,52,.13); --scrim: rgba(27,38,47,.35);
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: var(--ground); }
button, input, select { font: inherit; }
button, a, input, label, select { -webkit-tap-highlight-color: transparent; }
button, select { color: inherit; }
button, a { touch-action: manipulation; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }
button { border: 0; }
button:disabled { cursor: default; }
button:focus-visible, a:focus-visible, summary:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 4px; }
::selection { background: var(--accent); color: var(--on-accent); }
::backdrop { background: var(--scrim); }
h1,h2,p { margin: 0; }
h1 { font-weight: 650; letter-spacing: -.04em; }
h2 { font-weight: 580; font-size: 19px; letter-spacing: -.02em; line-height: 1.3; }
p { line-height: 1.55; }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
[hidden] { display: none !important; }
.icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.icon-defs { width: 0; height: 0; position: absolute; overflow: hidden; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); border: 0; white-space: nowrap; }
.skip-link { position: fixed; z-index: 20; top: 16px; left: 16px; background: var(--accent); color: var(--on-accent); padding: 12px 20px; border-radius: 99px; transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.site-frame { width: min(1200px,calc(100% - 96px)); margin: 0 auto; }
.topbar { min-height: 120px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: flex; align-items: center; gap: 7px; flex: none; font-size: 26px; font-weight: 700; letter-spacing: -.035em; }
.brand img { object-fit: contain; margin-left: -9px; }
.brand-suffix { font-size: 14px; font-weight: 450; letter-spacing: -.01em; margin-left: 12px; color: var(--muted); }
.navigation { display: flex; position: relative; padding: 5px; border-radius: 99px; }
.glass { background: var(--glass); backdrop-filter: blur(20px) saturate(140%); -webkit-backdrop-filter: blur(20px) saturate(140%); box-shadow: inset 0 1px 0 var(--glass-hi), inset 0 0 0 1px var(--glass-edge), 0 8px 24px -12px var(--shadow); }
.nav-link { font-size: 14px; font-weight: 520; padding: 13px 23px; color: var(--muted); position: relative; z-index: 1; white-space: nowrap; }
.nav-link[aria-current="page"] { color: var(--text); }
.nav-lens { position: absolute; left: 5px; top: 5px; bottom: 5px; width: 89px; border-radius: 99px; background: var(--glass-hi); box-shadow: inset 0 1px 0 var(--glass-edge); transform-origin: left center; transition: transform var(--duration) var(--ease-out); }
.top-login { display: flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 550; min-height: 44px; }
main { outline: none; }
.js .view:not(.is-active) { display: none; }
.hero { display: grid; grid-template-columns: 1.04fr 1fr; gap: 40px; min-height: 532px; align-items: center; }
.hero-copy { padding-bottom: 17px; }
.hero h1 { font-size: clamp(44px,4.5vw,66px); line-height: 1.02; }
.hero-description { font-size: 18px; color: var(--muted); margin-top: 25px; line-height: 1.55; letter-spacing: -.015em; }
.primary-button { display: inline-flex; align-items: center; justify-content: center; gap: 28px; min-height: 58px; padding: 0 25px; margin-top: 34px; border-radius: 99px; background: var(--accent); color: var(--on-accent); font-size: 15px; font-weight: 650; letter-spacing: -.015em; transition: transform 160ms var(--ease-out); }
.primary-button .icon { width: 22px; height: 22px; }
.primary-button:active, .secondary-button:active, .icon-button:active { transform: scale(.97); transition-duration: 100ms; }
.access-note { display: flex; align-items: center; gap: 7px; margin-top: 19px; color: var(--faint); font-size: 12px; }
.access-note .icon { width: 14px; height: 14px; }
.time-area { justify-self: end; display: flex; align-items: center; flex-direction: column; width: 100%; max-width: 480px; padding-top: 4px; }
.clock { width: 432px; max-width: 100%; aspect-ratio: 1; padding: 10px; position: relative; }
.clock-shell { height: 100%; border-radius: 50%; background: var(--clock-shell); box-shadow: inset 0 2px 1px var(--glass-hi), inset 0 0 0 1px var(--clock-rim), 0 28px 55px -34px var(--shadow); position: relative; }
.clock-shell::before { content: ""; position: absolute; inset: 11px; border-radius: inherit; box-shadow: 0 0 0 1px var(--clock-rim); opacity: .5; }
.clock-ticks { position: absolute; inset: 28px; border-radius: 50%; }
.clock-tick { position: absolute; top: 0; left: calc(50% - .5px); width: 1px; height: 100%; transform: rotate(var(--angle)); }
.clock-tick::before { content: ""; display: block; width: 1px; height: 6px; background: var(--tick); opacity: .44; }
.clock-tick.major::before { height: 12px; opacity: .7; }
.clock-north,.clock-east,.clock-south,.clock-west { position: absolute; font-size: 12px; color: var(--faint); font-variant-numeric: tabular-nums; line-height: 1; }
.clock-north { left: 50%; top: 51px; transform: translateX(-50%); }
.clock-east { right: 51px; top: 50%; transform: translateY(-50%); }
.clock-south { left: 50%; bottom: 51px; transform: translateX(-50%); }
.clock-west { left: 51px; top: 50%; transform: translateY(-50%); }
.second-orbit { position: absolute; inset: 17px; border-radius: 50%; }
.second-orbit span { position: absolute; left: calc(50% - 2px); top: 0; height: 22px; width: 4px; background: var(--accent); border-radius: 4px; }
.clock-face { position: absolute; inset: 80px; border-radius: 50%; background: var(--clock-face); display: flex; flex-direction: column; justify-content: center; align-items: center; overflow: hidden; box-shadow: inset 0 1px 1px var(--glass-hi), inset 0 -1px 1px var(--shadow), 0 12px 25px -16px var(--shadow); }
.clock-highlight { position: absolute; inset: -50%; pointer-events: none; background: linear-gradient(140deg,transparent 30%,var(--glass-hi) 49%,transparent 68%); opacity: .3; transform: translateX(-20px); } /* taste-skill-ignore: neutral reflection implements the requested physical glass material. */
.clock-caption { font-size: 12px; color: var(--muted); margin-bottom: 7px; position: relative; }
.clock-time { font-size: 61px; font-weight: 350; font-variant-numeric: tabular-nums; letter-spacing: -.045em; line-height: 1.1; position: relative; }
.clock-date { font-size: 12px; color: var(--muted); margin-top: 10px; position: relative; }
.clock-mark { font-size: 11px; font-weight: 650; letter-spacing: -.02em; position: absolute; bottom: 27px; color: var(--faint); }
.segmented { display: flex; border-radius: 99px; padding: 4px; }
.segmented label { position: relative; cursor: pointer; flex: 1; text-align: center; }
.segmented input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; inset: 0; }
.segmented label span { display: flex; align-items: center; justify-content: center; min-height: 36px; white-space: nowrap; border-radius: 99px; padding: 0 17px; color: var(--muted); font-size: 12px; position: relative; pointer-events: none; }
.segmented input:checked + span { color: var(--text); background: var(--glass-hi); box-shadow: inset 0 1px 0 var(--glass-edge); }
.segmented input:disabled + span { opacity: .65; }
.zone-selector { margin-top: 13px; }
.desk-grid { display: grid; grid-template-columns: 1.04fr 1fr; gap: 64px; margin-top: 22px; margin-bottom: 70px; align-items: start; }
.surface { background: var(--surface); border-radius: var(--radius); }
.focus-panel { padding: 27px 30px 30px; position: relative; overflow: hidden; }
.panel-heading { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.panel-heading > span { font-size: 12px; color: var(--muted); }
.panel-heading > .icon { color: var(--faint); width: 18px; }
.panel-description { color: var(--muted); font-size: 14px; margin-top: 8px; }
.focus-controls { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 25px; }
.duration-selector { background: var(--ground); }
.duration-selector label span { padding: 0 13px; min-height: 36px; }
.secondary-button { min-height: 44px; border-radius: 99px; display: inline-flex; align-items: center; justify-content: center; gap: 9px; background: var(--raised); color: var(--text); padding: 0 18px; font-size: 13px; font-weight: 550; white-space: nowrap; transition: transform 160ms var(--ease-out); }
.secondary-button .icon { width: 16px; height: 16px; }
.timer-actions { display: flex; align-items: center; gap: 4px; }
.icon-button { width: 44px; height: 44px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; background: transparent; color: var(--muted); transition: transform 160ms var(--ease-out); flex: none; }
.focus-progress { position: absolute; left: 30px; right: 30px; bottom: 0; height: 2px; opacity: 0; }
.focus-progress span { display: block; height: 100%; background: var(--accent); transform-origin: left; transform: scaleX(0); }
.focus-panel.is-running .focus-progress { opacity: 1; }
.quick-guide { padding-top: 8px; }
.quick-guide .panel-heading { margin-bottom: 15px; }
.guide-row { display: flex; justify-content: space-between; align-items: center; min-height: 68px; gap: 20px; }
.guide-row strong { display: block; font-size: 14px; font-weight: 500; }
.guide-row small { display: block; font-size: 12px; color: var(--muted); margin-top: 6px; }
.guide-row .icon { color: var(--faint); width: 17px; }
.footer { display: flex; align-items: center; justify-content: space-between; padding: 22px 0 32px; color: var(--faint); font-size: 12px; border-top: 1px solid var(--rule); gap: 20px; }
.footer-right { display: flex; gap: 26px; align-items: center; }
.quiet-button { padding: 12px 0; background: none; color: var(--muted); font-size: 12px; }
.view-heading { padding: 50px 0 48px; }
.view-heading h1 { font-size: 44px; line-height: 1.1; }
.view-heading p { margin-top: 17px; font-size: 17px; color: var(--muted); }
.guide-layout { display: grid; grid-template-columns: minmax(0,1.5fr) minmax(250px,1fr); gap: 64px; align-items: start; margin-bottom: 90px; }
.guide-content details { border-bottom: 1px solid var(--rule); padding: 0 0 0; }
.guide-content details:first-child { border-top: 1px solid var(--rule); }
summary { list-style: none; padding: 25px 0; display: flex; align-items: center; justify-content: space-between; gap: 18px; cursor: pointer; font-size: 18px; font-weight: 550; }
summary::-webkit-details-marker { display: none; }
summary .icon { width: 18px; color: var(--muted); transition: transform 180ms var(--ease-out); }
details[open] summary .icon { transform: rotate(90deg); }
.detail-copy { padding: 0 36px 28px 0; }
.detail-copy p { font-size: 15px; line-height: 1.7; color: var(--muted); margin-bottom: 15px; }
.detail-copy p:last-child { margin-bottom: 0; }
.text-link { display: inline-flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 550; padding: 6px 0; }
.text-link .icon { width: 17px; }
.guide-aside { padding: 25px 34px 35px; }
.guide-aside img { margin-left: -15px; }
.guide-aside h2 { margin-top: 12px; font-size: 23px; }
.guide-aside p { margin-top: 12px; color: var(--muted); font-size: 15px; }
.guide-aside .secondary-button { margin-top: 24px; }
.settings-list { margin-bottom: 70px; }
.setting-row { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.12fr); gap: 64px; align-items: start; padding: 32px 0; border-top: 1px solid var(--rule); }
.setting-row h2 { font-size: 19px; }
.setting-row p { margin-top: 9px; color: var(--muted); font-size: 14px; max-width: 38ch; }
.choice-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.choice-grid label { cursor: pointer; position: relative; min-width: 0; }
.choice-grid input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; z-index: 1; cursor: pointer; }
.theme-swatch { display: flex; position: relative; height: 90px; border-radius: 16px; padding: 15px; align-items: flex-start; overflow: hidden; }
.theme-night { background: #10202f; color: #f4f6f8; }
.theme-day { background: #e7edee; color: #10202f; }
.theme-system { background: var(--raised); color: var(--text); }
.theme-swatch .icon { width: 18px; }
.swatch-lines { position: absolute; bottom: 18px; right: 18px; left: 18px; height: 7px; background: currentColor; opacity: .23; border-radius: 4px; }
.swatch-lines::before { content: ""; position: absolute; left: 0; bottom: 13px; height: 7px; width: 65%; background: currentColor; border-radius: 4px; }
.choice-grid label > span:last-of-type { display: block; font-size: 13px; margin-top: 12px; padding-right: 19px; }
.selection-check { position: absolute; width: 15px; height: 15px; bottom: 0; right: 0; opacity: 0; }
.choice-grid input:checked ~ .selection-check { opacity: 1; }
.choice-grid input:checked + .theme-swatch { outline: 2px solid var(--accent); outline-offset: 3px; }
.switch-row { display: flex; align-items: center; justify-content: space-between; gap: 25px; position: relative; cursor: pointer; min-height: 56px; }
.switch-row strong { display: block; font-size: 15px; font-weight: 500; }
.switch-row small { display: block; font-size: 12px; color: var(--muted); margin-top: 7px; max-width: 38ch; line-height: 1.5; }
.switch-row input { position: absolute; right: 0; top: 0; width: 50px; height: 100%; opacity: 0; margin: 0; cursor: pointer; }
.switch { width: 47px; height: 29px; border-radius: 99px; background: var(--control); flex: none; box-shadow: inset 0 1px 0 var(--glass-edge); pointer-events: none; }
.switch::after { content: ""; display: block; margin: 3px; width: 23px; height: 23px; background: var(--text); border-radius: 50%; transition: transform 180ms var(--ease-out); }
.switch-row input:checked + .switch { background: var(--accent); }
.switch-row input:checked + .switch::after { transform: translateX(18px); background: var(--on-accent); }
.switch-row input:focus-visible + .switch { outline: 2px solid var(--accent); outline-offset: 5px; }
.zone-setting label { display: block; font-size: 13px; margin-bottom: 12px; }
select { width: 100%; min-height: 48px; border: 1px solid var(--control); border-radius: 12px; padding: 0 15px; background: var(--surface); font-size: 15px; }
.zone-setting p, .setting-row .reset-note { font-size: 12px; margin-top: 12px; }
.dialog { width: min(440px,calc(100% - 32px)); border: 0; border-radius: 32px; padding: 32px 36px 36px; color: var(--text); position: fixed; outline: none; }
.dialog-close { position: absolute; top: 15px; right: 15px; }
.dialog > img { margin-left: -10px; }
.dialog h2 { font-size: 27px; margin-top: 6px; }
.dialog p { font-size: 15px; margin-top: 16px; }
.dialog .dialog-secondary { color: var(--muted); font-size: 14px; }
.dialog .primary-button { margin-top: 27px; gap: 20px; width: 100%; min-height: 50px; font-size: 14px; padding: 0 20px; }
.toast { display: flex; align-items: center; gap: 12px; position: fixed; z-index: 20; left: 50%; bottom: 28px; max-width: calc(100% - 32px); border-radius: 99px; padding: 16px 23px; font-size: 13px; opacity: 0; pointer-events: none; transform: translate(-50%,12px) scale(.97); transition: transform 180ms var(--ease-out),opacity 180ms var(--ease-out); }
.toast.is-visible { opacity: 1; transform: translate(-50%,0) scale(1); }
.toast .icon { color: var(--positive); width: 18px; }
.noscript { padding: 20px; text-align: center; font-size: 14px; background: var(--surface); }
[data-motion="off"] *, [data-keyboard="true"] * { transition-duration: 0ms !important; }
[data-glass="off"] .glass { background: var(--raised); backdrop-filter: none; -webkit-backdrop-filter: none; }
@media (hover:hover) and (pointer:fine) {
  .primary-button:hover { transform: translateY(-2px); }
  .primary-button:active { transform: scale(.97); }
  .secondary-button:hover { background: var(--control); }
  .nav-link:hover,.top-login:hover,.quiet-button:hover,.text-link:hover { color: var(--text); }
  .guide-row:hover .icon,.top-login:hover .icon,.text-link:hover .icon { transform: translate(2px,-2px); }
  .guide-row .icon,.top-login .icon,.text-link .icon { transition: transform 160ms var(--ease-out); }
  .icon-button:hover { background: var(--raised); color: var(--text); }
}
@media (min-width:1500px) { .topbar { min-height: 144px; } .hero { min-height: 570px; } .desk-grid { margin-top: 34px; } }
@media (max-width:1100px) {
  .site-frame { width: calc(100% - 64px); }
  .topbar { gap: 24px; }
  .brand-suffix { display: none; }
  .hero { gap: 20px; min-height: 510px; }
  .clock { width: 390px; }
  .clock-face { inset: 72px; }
  .clock-time { font-size: 54px; }
  .clock-mark { bottom: 24px; }
  .clock-north { top: 46px; }.clock-south { bottom: 46px; }.clock-east { right: 46px; }.clock-west { left: 46px; }
  .desk-grid { gap: 35px; }
  .focus-panel { padding: 24px; }
  .focus-controls { flex-wrap: wrap; gap: 12px; margin-top: 20px; }
  .guide-layout,.setting-row { gap: 40px; }
}
@media (max-width:760px) {
  .site-frame { width: calc(100% - 40px); }
  .topbar { min-height: 0; flex-wrap: wrap; gap: 18px; padding: 20px 0 0; }
  .brand { font-size: 24px; }
  .brand img { width: 42px; height: 42px; }
  .brand-suffix { display: inline; font-size: 12px; margin-left: 8px; }
  .top-login { margin-left: auto; font-size: 13px; }
  .navigation { order: 3; width: 100%; margin-top: 2px; }
  .nav-link { flex: 1; text-align: center; padding: 13px 10px; font-size: 13px; }
  .hero { grid-template-columns: 1fr; gap: 19px; padding-top: 51px; }
  .hero-copy { padding: 0; }
  .hero h1 { font-size: clamp(40px,8.4vw,56px); line-height: 1.04; }
  .hero-description { font-size: 16px; margin-top: 21px; max-width: 33ch; }
  .desktop-break { display: none; }
  .primary-button { margin-top: 25px; min-height: 54px; gap: 24px; font-size: 14px; padding: 0 23px; }
  .access-note { margin-top: 15px; }
  .time-area { width: 100%; max-width: none; padding-top: 5px; }
  .clock { width: min(390px,100%); }
  .clock-face { inset: 20%; }
  .clock-time { font-size: clamp(40px,12vw,54px); }
  .clock-ticks { inset: 24px; }
  .clock-mark { bottom: 22px; font-size: 10px; }
  .clock-caption,.clock-date { font-size: 12px; }
  .clock-north,.clock-south,.clock-east,.clock-west { font-size: 11px; }
  .clock-north { top: 43px; }.clock-south { bottom: 43px; }.clock-east { right: 43px; }.clock-west { left: 43px; }
  .zone-selector { margin-top: 7px; }
  .desk-grid { grid-template-columns: 1fr; gap: 34px; margin-top: 36px; margin-bottom: 46px; }
  .focus-panel { padding: 24px; }
  .focus-controls { flex-wrap: wrap; }
  .duration-selector label span { padding: 0 10px; font-size: 12px; }
  .secondary-button { padding: 0 14px; font-size: 12px; }
  .quick-guide { padding: 0 4px; }
  .panel-heading h2 { font-size: 18px; }
  .guide-row { min-height: 76px; }
  .footer { padding: 22px 0 25px; font-size: 12px; align-items: flex-start; }
  .footer-right { flex-direction: column; align-items: flex-end; gap: 8px; }
  .quiet-button { padding: 0; font-size: 12px; }
  .view-heading { padding: 48px 0 33px; }
  .view-heading h1 { font-size: 36px; }
  .view-heading p { font-size: 16px; margin-top: 14px; }
  .guide-layout { grid-template-columns: 1fr; gap: 32px; margin-bottom: 46px; }
  summary { font-size: 17px; padding: 23px 0; }
  .detail-copy { padding-right: 12px; }
  .guide-aside { padding: 24px 28px 30px; }
  .guide-aside img { width: 80px; height: 80px; }
  .guide-aside h2 { margin-top: 2px; }
  .setting-row { grid-template-columns: 1fr; gap: 25px; padding: 27px 0; }
  .setting-row h2 { font-size: 18px; }
  .choice-grid { gap: 12px; }
  .theme-swatch { height: 84px; }
  .choice-grid label > span:last-of-type { font-size: 12px; }
  .settings-list { margin-bottom: 40px; }
  .toast { bottom: 20px; border-radius: 20px; width: max-content; padding: 14px 18px; }
  .dialog { padding: 28px; }
}
@media (max-width:370px) {
  .site-frame { width: calc(100% - 32px); }
  .brand-suffix { display: none; }
  .focus-controls { flex-wrap: wrap; }
  .clock-caption { margin-bottom: 5px; }.clock-date { margin-top: 6px; }.clock-mark { bottom: 16px; }
}
@media (prefers-reduced-motion:reduce) {
  *,*::before,*::after { transition-duration: 0ms !important; scroll-behavior: auto !important; }
  .clock-highlight { transform: none !important; }
}
@media (prefers-reduced-transparency:reduce) { .glass { background: var(--raised); backdrop-filter: none; -webkit-backdrop-filter: none; } }
@media (prefers-contrast:more) { :root { --muted: var(--text); --faint: var(--text); } .glass { background: var(--raised); backdrop-filter: none; -webkit-backdrop-filter: none; outline: 1px solid var(--text); } .clock-highlight { display: none; } }