:root {
  color-scheme: light;
  --system-bg: #f2f2f7;
  --surface: rgba(255, 255, 255, .82);
  --surface-solid: #fff;
  --label: #111114;
  --secondary: #6c6c73;
  --tertiary: #94949c;
  --separator: rgba(60, 60, 67, .15);
  --tint: #ff453a;
  --tint-deep: #e93229;
  --tint-soft: rgba(255,69,58,.13);
  --blue: #007aff;
  --blue-deep: #0066d6;
  --blue-soft: rgba(0, 122, 255, .1);
  --blue-border: rgba(0, 122, 255, .38);
  --green: #30b46c;
  --green-deep: #178a4a;
  --chart-baseline: #8e8e93;
  --night: #08080a;
  --night-surface: rgba(35, 35, 38, .72);
  --night-separator: rgba(255, 255, 255, .12);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 15px;
  --shadow: 0 18px 50px rgba(28, 28, 30, .08), 0 2px 8px rgba(28, 28, 30, .04);
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", system-ui, sans-serif;
  font-family: var(--sans);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { min-height: 100%; overflow-x: clip; overscroll-behavior-x: none; background: var(--system-bg); }
body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  color: var(--label);
  background:
    radial-gradient(circle at 100% -5%, rgba(255, 69, 58, .11), transparent 28rem),
    radial-gradient(circle at -10% 34%, rgba(83, 142, 255, .08), transparent 24rem),
    var(--system-bg);
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}

button, input, textarea { min-width: 0; font: inherit; }
button { color: inherit; }
button, label[for], .file-button { -webkit-tap-highlight-color: transparent; }
button:focus-visible, input:focus-visible, textarea:focus-visible, .file-button:focus-within {
  outline: 3px solid rgba(0, 122, 255, .3);
  outline-offset: 3px;
}

.app-shell { min-height: 100dvh; padding-bottom: calc(92px + env(safe-area-inset-bottom)); }
.app-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  width: min(760px, 100%);
  height: calc(58px + env(safe-area-inset-top));
  margin: 0 auto;
  padding: env(safe-area-inset-top) max(20px, env(safe-area-inset-right)) 0 max(20px, env(safe-area-inset-left));
  align-items: center;
  justify-content: space-between;
  background: rgba(242, 242, 247, .72);
  border-bottom: 1px solid rgba(60, 60, 67, .08);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
}

.brand { display: inline-flex; gap: 9px; align-items: center; color: var(--label); font-size: 18px; font-weight: 750; letter-spacing: -.035em; text-decoration: none; }
.brand-mark { position: relative; width: 20px; height: 20px; display: inline-block; }
.brand-mark::before, .brand-mark::after, .brand-mark i::before, .brand-mark i::after {
  position: absolute; width: 7px; height: 7px; border-color: var(--tint); border-style: solid; content: "";
}
.brand-mark::before { left: 0; top: 0; border-width: 2px 0 0 2px; border-radius: 2px 0 0; }
.brand-mark::after { right: 0; top: 0; border-width: 2px 2px 0 0; border-radius: 0 2px 0 0; }
.brand-mark i::before { left: 0; bottom: 0; border-width: 0 0 2px 2px; border-radius: 0 0 0 2px; }
.brand-mark i::after { right: 0; bottom: 0; border-width: 0 2px 2px 0; border-radius: 0 0 2px; }

.privacy-pill { display: inline-flex; gap: 6px; align-items: center; padding: 6px 10px; color: var(--secondary); background: rgba(255,255,255,.58); border: 1px solid rgba(255,255,255,.8); border-radius: 999px; box-shadow: inset 0 1px rgba(255,255,255,.65); font-size: 11px; font-weight: 600; }
.privacy-pill i { width: 6px; height: 6px; background: var(--green); border-radius: 50%; }

.app-content { width: min(760px, 100%); margin: 0 auto; }
.view { display: none; }
.view.is-active { display: block; }
.home-view, .library-view, .stats-view, .settings-view { padding: 34px max(20px, env(safe-area-inset-right)) 30px max(20px, env(safe-area-inset-left)); }

.page-heading { margin: 0 2px 28px; }
.page-heading.compact { margin-bottom: 24px; }
.overline { margin: 0 0 8px; color: var(--tint); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.page-heading h1 { max-width: 600px; margin: 0; font-size: clamp(44px, 12vw, 66px); font-weight: 750; line-height: .98; letter-spacing: -.06em; }
.page-heading.compact h1 { font-size: clamp(42px, 10vw, 58px); }
.page-heading > p:last-child { margin: 14px 0 0; color: var(--secondary); font-size: 17px; line-height: 1.45; }

.surface {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,.84);
  box-shadow: var(--shadow), inset 0 1px rgba(255,255,255,.62);
  backdrop-filter: blur(28px) saturate(150%);
  -webkit-backdrop-filter: blur(28px) saturate(150%);
}

.import-card { padding: 20px; border-radius: var(--radius-xl); }
.section-heading { display: flex; gap: 16px; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.section-heading > div { display: flex; gap: 10px; align-items: center; }
.section-heading h2 { margin: 0; font-size: 20px; letter-spacing: -.035em; }
.section-icon { display: block; width: 27px; height: 27px; background: rgba(255,69,58,.12); border-radius: 8px; }
.document-icon::before { display: block; width: 10px; height: 13px; margin: 7px auto; border: 1.8px solid var(--tint); border-radius: 2px; content: ""; }

.glass-button, .glass-icon-button {
  border: 1px solid rgba(255,255,255,.72);
  box-shadow: 0 6px 18px rgba(28,28,30,.08), inset 0 1px 1px rgba(255,255,255,.74);
  backdrop-filter: blur(18px) saturate(170%);
  -webkit-backdrop-filter: blur(18px) saturate(170%);
  cursor: pointer;
}
.demo-button { display: inline-flex; min-height: 44px; padding: 0 13px; gap: 6px; align-items: center; color: var(--tint-deep); background: rgba(255,255,255,.58); border-radius: 999px; font-size: 13px; font-weight: 650; }
.demo-button svg { width: 16px; fill: currentColor; }

.segmented-control { display: grid; grid-template-columns: 1fr 1fr; padding: 3px; background: rgba(118,118,128,.12); border-radius: 11px; }
.segment { min-height: 44px; padding: 0 12px; color: var(--secondary); background: transparent; border: 0; border-radius: 8px; cursor: pointer; font-size: 13px; font-weight: 600; }
.segment.is-active { color: var(--label); background: rgba(255,255,255,.92); box-shadow: 0 2px 8px rgba(28,28,30,.1), inset 0 1px rgba(255,255,255,.85); }
.tab-panel { min-height: 304px; padding-top: 16px; }
.tab-panel:not(.is-active) { display: none; }

.paste-button { display: flex; width: 100%; min-height: 72px; margin-bottom: 12px; padding: 12px 14px; gap: 12px; align-items: center; color: var(--blue-deep); background: linear-gradient(180deg, rgba(255,255,255,.94), rgba(247,247,250,.78)); border: 1px solid rgba(255,255,255,.9); border-radius: 18px; box-shadow: 0 9px 22px rgba(28,28,30,.08), inset 0 1px rgba(255,255,255,.95); cursor: pointer; text-align: left; }
.paste-button:active { transform: scale(.985); }
.paste-button > span:last-child { display: grid; gap: 2px; }
.paste-button strong { color: var(--label); font-size: 15px; letter-spacing: -.018em; }
.paste-button small { color: var(--secondary); font-size: 11px; }
.paste-icon { display: grid; flex: 0 0 auto; width: 42px; height: 42px; place-items: center; color: var(--blue); background: var(--blue-soft); border-radius: 13px; }
.paste-icon svg { width: 23px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

textarea { display: block; width: 100%; min-height: 146px; padding: 14px; resize: vertical; color: var(--label); background: rgba(118,118,128,.07); border: 1px solid transparent; border-radius: var(--radius-md); font-size: 16px; line-height: 1.55; }
textarea:focus { background: rgba(255,255,255,.9); border-color: var(--blue-border); outline: 0; }
textarea::placeholder, input::placeholder { color: var(--tertiary); }
.input-meta { display: flex; min-height: 36px; align-items: end; justify-content: space-between; color: var(--secondary); font-size: 12px; }
.input-meta > div { display: flex; gap: 14px; }
.inline-button { min-height: 44px; padding: 8px 0 0; color: var(--blue); background: transparent; border: 0; cursor: pointer; font-size: 13px; font-weight: 600; }
.file-button { cursor: pointer; }
.file-button input { position: absolute; width: 1px; height: 1px; overflow: hidden; opacity: 0; }

.field { display: block; padding: 20px 0 12px; }
.field > span { display: block; margin: 0 0 9px 3px; color: var(--secondary); font-size: 12px; font-weight: 600; }
.field input { width: 100%; height: 52px; padding: 0 14px; background: rgba(118,118,128,.07); border: 1px solid transparent; border-radius: var(--radius-md); font-size: 16px; }
.field input:focus { background: rgba(255,255,255,.9); border-color: var(--blue-border); outline: 0; }
.field-note { margin: 0 3px; color: var(--secondary); font-size: 12px; line-height: 1.45; }
.form-error { margin: 0 2px 12px; color: var(--tint-deep); font-size: 13px; }

.import-preview { display: grid; grid-template-columns: 1fr 1fr; margin: 0 0 14px; padding: 13px 2px; border-top: 1px solid var(--separator); }
.import-preview > div { display: grid; gap: 2px; }
.import-preview > div + div { padding-left: 18px; border-left: 1px solid var(--separator); }
.import-preview strong { font-size: 17px; letter-spacing: -.025em; }
.import-preview span { color: var(--secondary); font-size: 11px; }
.import-preview b { font: inherit; }

.primary-button { display: flex; width: 100%; min-height: 55px; padding: 0 11px 0 20px; align-items: center; justify-content: space-between; color: white; background: linear-gradient(180deg, #ff5a50, var(--tint-deep)); border: 0; border-radius: 17px; box-shadow: 0 10px 24px rgba(239,56,48,.24), inset 0 1px rgba(255,255,255,.25); cursor: pointer; font-size: 16px; font-weight: 700; }
.primary-button:active, .glass-button:active, .glass-icon-button:active { transform: scale(.985); }
.primary-button:disabled { cursor: wait; opacity: .55; }
.button-arrow { display: grid; width: 34px; height: 34px; place-items: center; background: rgba(255,255,255,.18); border: 1px solid rgba(255,255,255,.15); border-radius: 50%; font-size: 26px; font-weight: 350; line-height: 1; }
.heading-meta { display: flex; align-items: center; justify-content: space-between; }
.heading-meta > span { color: var(--secondary); font-size: 11px; font-weight: 600; }
.page-heading.compact.library-page-heading { margin-bottom: 18px; }
.library-search { display: flex; height: 52px; padding: 0 15px; gap: 11px; align-items: center; border-radius: 18px; }
.library-search svg { flex: 0 0 auto; width: 20px; fill: none; stroke: var(--secondary); stroke-width: 1.8; stroke-linecap: round; }
.library-search input { width: 100%; height: 100%; padding: 0; color: var(--label); background: transparent; border: 0; font-size: 16px; outline: 0; }
.library-results { min-height: 32px; margin: 0; padding: 10px 3px 6px; color: var(--secondary); font-size: 11px; }
.library-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 10px; }
.library-card { display: block; width: 100%; overflow: hidden; padding: 16px; border-radius: var(--radius-lg); cursor: pointer; text-align: left; }
.library-card:active { transform: scale(.99); }
.library-card-heading, .library-card-details { display: flex; gap: 12px; align-items: center; justify-content: space-between; }
.library-card-heading strong { min-width: 0; overflow: hidden; font-size: 15px; letter-spacing: -.02em; text-overflow: ellipsis; white-space: nowrap; }
.library-card-heading b { flex: 0 0 auto; color: var(--tint-deep); font-size: 13px; }
.library-progress { display: block; height: 5px; margin: 11px 0 8px; overflow: hidden; background: rgba(118,118,128,.14); border-radius: 999px; }
.library-progress em { display: block; height: 100%; background: linear-gradient(90deg, var(--tint-deep), #ff6b62); border-radius: inherit; }
.library-card-details { color: var(--secondary); font-size: 10px; }
.library-card-details span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.library-card-details span:last-child { color: var(--label); font-weight: 650; }
.library-empty { display: flex; gap: 13px; padding: 17px; align-items: flex-start; border-radius: var(--radius-lg); }
.library-empty > span { display: grid; flex: 0 0 auto; width: 32px; height: 32px; place-items: center; color: var(--blue); background: var(--blue-soft); border-radius: 10px; }
.library-empty strong { font-size: 14px; }
.library-empty p { margin: 4px 0 0; color: var(--secondary); font-size: 11px; line-height: 1.45; }

.science-card { display: flex; gap: 14px; margin-top: 16px; padding: 17px 18px; align-items: flex-start; border-radius: var(--radius-lg); }
.science-symbol { flex: 0 0 auto; display: grid; width: 32px; height: 32px; place-items: center; color: var(--tint); background: rgba(255,69,58,.11); border-radius: 10px; font-size: 18px; }
.science-card h2 { margin: 1px 0 5px; font-size: 15px; letter-spacing: -.01em; }
.science-card p { margin: 0; color: var(--secondary); font-size: 13px; line-height: 1.45; }

.pages-card { position: relative; overflow: hidden; padding: 24px; color: white; background: radial-gradient(circle at 82% 10%, rgba(255,255,255,.22), transparent 14rem), linear-gradient(145deg, #ff6258, #e82f28 74%); border-radius: var(--radius-xl); box-shadow: 0 18px 40px rgba(224,45,38,.25), inset 0 1px rgba(255,255,255,.28); }
.pages-card::after { position: absolute; right: -32px; bottom: -52px; width: 180px; height: 180px; border: 32px solid rgba(255,255,255,.08); border-radius: 50%; content: ""; }
.pages-topline { position: relative; z-index: 1; display: flex; gap: 12px; align-items: center; justify-content: space-between; font-size: 13px; font-weight: 650; }
.pages-topline span:last-child { padding: 6px 10px; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.17); border-radius: 999px; font-size: 11px; }
.pages-card > strong { position: relative; z-index: 1; display: block; margin: 22px 0 18px; font-size: clamp(64px, 21vw, 92px); line-height: .8; letter-spacing: -.075em; }
.pages-card > strong b { font: inherit; }
.pages-card > strong small { font-size: .2em; letter-spacing: 0; }
.pages-progress { position: relative; z-index: 1; height: 7px; overflow: hidden; background: rgba(80,0,0,.2); border-radius: 999px; }
.pages-progress i { display: block; width: 0; height: 100%; background: rgba(255,255,255,.92); border-radius: inherit; transition: width .35s ease; }
.pages-card > p { position: relative; z-index: 1; margin: 8px 0 0; color: rgba(255,255,255,.78); font-size: 11px; }

.speed-card { margin-top: 14px; padding: 20px; border-radius: var(--radius-xl); }
.speed-card-heading { display: flex; gap: 12px; align-items: flex-start; justify-content: space-between; }
.speed-card-heading > div > span { color: var(--secondary); font-size: 11px; }
.speed-card-heading h2 { margin: 3px 0 0; font-size: 34px; letter-spacing: -.055em; }
.speed-card-heading h2 b { font: inherit; }
.speed-card-heading h2 small { font-size: 11px; letter-spacing: .02em; }
.comparison-pill { flex: 0 0 auto; padding: 7px 9px; border-radius: 999px; font-size: 10px; font-weight: 700; }
.comparison-pill.is-positive { color: var(--green-deep); background: rgba(48,180,108,.12); }
.comparison-pill.is-negative { color: var(--tint-deep); background: rgba(255,69,58,.1); }
.comparison-pill.is-neutral { color: var(--secondary); background: rgba(118,118,128,.1); }
.speed-chart { height: 144px; margin: 10px -6px 0; }
.speed-chart svg { display: block; width: 100%; height: 100%; overflow: visible; }
.speed-baseline { stroke: var(--chart-baseline); stroke-width: 1.2; stroke-dasharray: 4 5; }
.speed-line { fill: none; stroke: var(--tint); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.speed-dot { fill: var(--surface-solid); stroke: var(--tint); stroke-width: 2.5; }
.speed-day { fill: var(--tertiary); font: 8px var(--sans); text-transform: uppercase; }
.speed-day.is-today { fill: var(--tint-deep); font-weight: 700; }
.chart-legend { display: flex; gap: 14px; flex-wrap: wrap; color: var(--secondary); font-size: 9px; }
.chart-legend span { display: inline-flex; gap: 5px; align-items: center; }
.chart-legend i { display: inline-block; width: 15px; height: 2px; }
.legend-you { background: var(--tint); }
.legend-typical { border-top: 1px dashed var(--chart-baseline); }

.metric-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
.metric-card { min-height: 145px; padding: 18px; border-radius: var(--radius-lg); }
.metric-card > strong { display: block; margin: 20px 0 1px; font-size: 34px; letter-spacing: -.06em; }
.metric-card > strong b { font: inherit; }
.metric-card > strong small { font-size: 12px; letter-spacing: 0; }
.metric-card > span:last-child { color: var(--secondary); font-size: 12px; }
.metric-icon { display: grid; width: 32px; height: 32px; place-items: center; border-radius: 10px; font-size: 16px; font-weight: 700; }
.metric-icon.flame { color: var(--tint); background: rgba(255,69,58,.11); }
.metric-icon.pace { color: #0a84ff; background: rgba(10,132,255,.11); }
.metric-card.wide { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; min-height: auto; }
.metric-card.wide > div { display: grid; gap: 5px; }
.metric-card.wide > div + div { padding-left: 18px; border-left: 1px solid var(--separator); }
.metric-card.wide span { color: var(--secondary); font-size: 12px; }
.metric-card.wide strong { font-size: 21px; letter-spacing: -.035em; }

.week-card { margin-top: 14px; padding: 20px; border-radius: var(--radius-xl); }
.card-title-row { display: flex; gap: 12px; align-items: flex-start; justify-content: space-between; }
.card-title-row span { color: var(--secondary); font-size: 11px; }
.card-title-row h2 { margin: 4px 0 0; font-size: 22px; letter-spacing: -.04em; }
.trend-pill { padding: 6px 9px; color: var(--green) !important; background: rgba(48,180,108,.1); border-radius: 999px; font-weight: 650; }
.week-chart { display: grid; height: 150px; margin-top: 20px; grid-template-columns: repeat(7, 1fr); gap: 9px; align-items: end; }
.day-column { display: grid; height: 100%; grid-template-rows: 1fr auto; gap: 8px; align-items: end; color: var(--tertiary); font-size: 9px; text-align: center; text-transform: uppercase; }
.day-column i { display: block; width: 100%; min-height: 4px; align-self: end; background: rgba(255,69,58,.17); border-radius: 7px 7px 3px 3px; }
.day-column.is-today i { background: linear-gradient(var(--tint), #ff7a72); box-shadow: 0 5px 12px rgba(255,69,58,.18); }
.day-column.is-today span { color: var(--tint); font-weight: 700; }

.pages-explainer { display: flex; gap: 12px; margin-top: 14px; padding: 15px 16px; align-items: flex-start; border-radius: var(--radius-lg); }
.pages-explainer > span { display: grid; flex: 0 0 auto; width: 22px; height: 22px; place-items: center; color: var(--blue); background: var(--blue-soft); border-radius: 50%; font-size: 12px; font-weight: 700; }
.pages-explainer p { margin: 1px 0 0; color: var(--secondary); font-size: 11px; line-height: 1.45; }
.share-progress-button { display: flex; width: 100%; min-height: 54px; margin-top: 14px; padding: 0 17px; align-items: center; justify-content: space-between; color: var(--blue); border-radius: var(--radius-lg); cursor: pointer; font-size: 14px; font-weight: 650; }

.settings-group { margin-bottom: 25px; }
.settings-group > h2 { margin: 0 0 8px 14px; color: var(--secondary); font-size: 12px; font-weight: 600; letter-spacing: .01em; text-transform: uppercase; }
.settings-list { overflow: hidden; border-radius: var(--radius-lg); }
.setting { display: flex; min-height: 64px; margin-left: 16px; padding: 10px 16px 10px 0; gap: 12px; align-items: center; justify-content: space-between; }
.setting + .setting { border-top: 1px solid var(--separator); }
.setting > div { display: grid; gap: 3px; }
.setting span { font-size: 15px; }
.setting small { color: var(--secondary); font-size: 11px; line-height: 1.35; }
.setting > strong { font-size: 14px; }
.setting > strong b { font: inherit; }
.setting-slider { padding: 0 16px 12px; }
.setting-slider + .setting { border-top: 1px solid var(--separator); }
.status-check { display: grid; flex: 0 0 auto; width: 28px; height: 28px; place-items: center; color: white; background: var(--green); border-radius: 50%; font-size: 14px !important; font-weight: 750; }
.version-title { display: flex !important; grid-template-columns: auto 1fr; gap: 10px !important; align-items: center; }
.mini-app-icon { position: relative; display: block; width: 38px; height: 38px; background: linear-gradient(145deg, #ff6359, #e92f28); border-radius: 10px; box-shadow: inset 0 1px rgba(255,255,255,.3); }
.mini-app-icon::before, .mini-app-icon::after, .mini-app-icon i::before, .mini-app-icon i::after { position: absolute; width: 8px; height: 8px; border-color: white; border-style: solid; content: ""; }
.mini-app-icon::before { left: 9px; top: 9px; border-width: 2px 0 0 2px; }
.mini-app-icon::after { right: 9px; top: 9px; border-width: 2px 2px 0 0; }
.mini-app-icon i::before { left: 9px; bottom: 9px; border-width: 0 0 2px 2px; }
.mini-app-icon i::after { right: 9px; bottom: 9px; border-width: 0 2px 2px 0; }
.version-value { display: flex !important; align-items: end; text-align: right; }
.version-value strong { font-size: 13px; }
.current-badge { padding: 4px 7px; color: var(--green); background: rgba(48,180,108,.1); border-radius: 999px; font-size: 10px !important; font-weight: 700; }
.local-badge { padding: 4px 7px; color: var(--secondary); background: rgba(118,118,128,.1); border-radius: 999px; font-size: 10px !important; font-weight: 700; }
.destructive-row { width: 100%; min-height: 52px; padding: 0 16px; color: var(--tint-deep); border-radius: var(--radius-lg); cursor: pointer; text-align: left; }
.settings-footnote { margin: 34px 0 8px; color: var(--tertiary); font-size: 11px; text-align: center; }

.tab-bar { position: fixed; z-index: 30; right: max(10px, env(safe-area-inset-right), calc((100vw - 740px) / 2)); bottom: max(8px, env(safe-area-inset-bottom)); left: max(10px, env(safe-area-inset-left), calc((100vw - 740px) / 2)); display: grid; height: 70px; padding: 6px; grid-template-columns: repeat(4, 1fr); background: rgba(248,248,250,.76); border: 1px solid rgba(255,255,255,.78); border-radius: 24px; box-shadow: 0 14px 38px rgba(28,28,30,.14), inset 0 1px rgba(255,255,255,.82); backdrop-filter: blur(28px) saturate(190%); -webkit-backdrop-filter: blur(28px) saturate(190%); }
.tab-bar-item { display: grid; padding: 4px 5px; place-items: center; align-content: center; gap: 2px; color: var(--secondary); background: transparent; border: 0; border-radius: 18px; cursor: pointer; font-size: 10px; font-weight: 600; }
.tab-bar-item svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.tab-bar-item.is-active { color: var(--tint-deep); background: rgba(255,255,255,.6); box-shadow: inset 0 1px rgba(255,255,255,.72); }

.player-open { overflow: hidden; background: var(--night); }
.player-open .app-shell { padding: 0; }
.player-open .app-header, .player-open .tab-bar { display: none; }
.player-open .app-content { width: 100%; }
.player-view { position: fixed; z-index: 40; inset: 0; display: grid; min-height: 100dvh; grid-template-areas: "header" "summary" "stage" "dock"; grid-template-rows: auto auto minmax(0, 1fr) auto; overflow: hidden; color: #f5f5f7; background: radial-gradient(circle at 50% 48%, #202024 0, #0c0c0e 34%, var(--night) 66%); }
.player-view.is-active { display: grid; }
.player-header { grid-area: header; display: grid; width: min(920px, 100%); height: calc(60px + env(safe-area-inset-top)); margin: 0 auto; padding: env(safe-area-inset-top) max(16px, env(safe-area-inset-right)) 0 max(16px, env(safe-area-inset-left)); grid-template-columns: 44px minmax(0, 1fr) 44px; align-items: center; }
.glass-icon-button { display: grid; width: 44px; height: 44px; padding: 0; place-items: center; color: #f5f5f7; background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.14); border-radius: 50%; }
.glass-icon-button svg { width: 21px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.player-title-wrap { min-width: 0; padding: 0 12px; text-align: center; }
.player-title-wrap > span { color: var(--tint); font-size: 10px; font-weight: 700; letter-spacing: .13em; }
.player-title-wrap p { margin: 4px 0 0; overflow: hidden; color: #9d9da4; font-size: 12px; text-overflow: ellipsis; white-space: nowrap; }

.player-summary { grid-area: summary; display: grid; width: min(600px, calc(100% - 32px - env(safe-area-inset-left) - env(safe-area-inset-right))); margin: 6px auto 0; padding: 11px 15px; grid-template-columns: 1fr 1fr; background: rgba(255,255,255,.065); border: 1px solid rgba(255,255,255,.08); border-radius: 16px; backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); }
.player-summary > div { display: grid; gap: 2px; }
.player-summary > div + div { padding-left: 15px; border-left: 1px solid rgba(255,255,255,.1); }
.player-summary span { overflow: hidden; color: #85858c; font-size: 9px; font-weight: 600; text-overflow: ellipsis; text-transform: uppercase; white-space: nowrap; }
.player-summary strong { font-size: 14px; letter-spacing: -.02em; }
.player-summary strong b { font: inherit; }
.summary-time { text-align: right; }
.summary-time strong { color: var(--tint); }

.focus-stage { grid-area: stage; position: relative; display: grid; min-height: 0; padding: 32px max(30px, env(safe-area-inset-right)) 28px max(30px, env(safe-area-inset-left)); place-items: center; cursor: pointer; overflow: hidden; }
.focus-word { display: grid; width: min(100%, 1040px); grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: baseline; font-size: var(--focus-font-size, clamp(48px, 12vw, 100px)); font-weight: 730; letter-spacing: -.055em; line-height: 1; white-space: pre; }
.word-before { justify-self: end; }
.word-after { justify-self: start; }
.focus-word strong { color: var(--tint); font: inherit; }
.focus-guide { position: absolute; left: 50%; width: 1px; height: clamp(28px, 5vh, 48px); background: linear-gradient(var(--tint), transparent); opacity: .72; }
.focus-guide::after { position: absolute; left: -3px; top: 0; width: 7px; height: 7px; background: var(--tint); border-radius: 1px; transform: rotate(45deg); content: ""; }
.focus-guide.top { top: 10%; }
.focus-guide.bottom { bottom: 11%; transform: rotate(180deg); }
.word-context { position: absolute; bottom: 4%; width: min(560px, calc(100% - 64px)); margin: 0; overflow: hidden; color: #727278; font-size: 11px; text-align: center; text-overflow: ellipsis; white-space: nowrap; }
.is-playing .word-context { visibility: hidden; }

.player-dock { grid-area: dock; width: min(650px, calc(100% - 20px - env(safe-area-inset-left) - env(safe-area-inset-right))); margin: 0 auto max(8px, env(safe-area-inset-bottom)); padding: 13px 16px 15px; background: var(--night-surface); border: 1px solid rgba(255,255,255,.12); border-radius: 26px; box-shadow: 0 16px 48px rgba(0,0,0,.45), inset 0 1px rgba(255,255,255,.08); backdrop-filter: blur(30px) saturate(160%); -webkit-backdrop-filter: blur(30px) saturate(160%); }
.progress-head, .speed-bounds { display: flex; justify-content: space-between; color: #77777e; font-size: 9px; font-weight: 600; letter-spacing: .035em; text-transform: uppercase; }
input[type="range"] { appearance: none; width: 100%; height: 28px; margin: 0; background: transparent; cursor: pointer; }
input[type="range"]::-webkit-slider-runnable-track { height: 4px; background: rgba(118,118,128,.28); border-radius: 999px; }
input[type="range"]::-webkit-slider-thumb { appearance: none; width: 22px; height: 22px; margin-top: -9px; background: white; border: .5px solid rgba(0,0,0,.06); border-radius: 50%; box-shadow: 0 2px 7px rgba(0,0,0,.25); }
input[type="range"]::-moz-range-track { height: 4px; background: rgba(118,118,128,.28); border-radius: 999px; }
input[type="range"]::-moz-range-thumb { width: 22px; height: 22px; background: white; border: 0; border-radius: 50%; box-shadow: 0 2px 7px rgba(0,0,0,.25); }
.progress-slider { height: 20px !important; }
.progress-slider::-webkit-slider-runnable-track { height: 3px !important; background: linear-gradient(90deg, var(--tint) var(--range-progress, 0%), rgba(118,118,128,.28) var(--range-progress, 0%)) !important; }
.progress-slider::-webkit-slider-thumb { width: 14px !important; height: 14px !important; margin-top: -5.5px !important; background: var(--tint) !important; border: 2px solid #f5f5f7 !important; }

.transport { display: grid; margin: 1px auto 8px; grid-template-columns: 52px 72px 52px; gap: 20px; place-content: center; align-items: center; }
.transport-button { display: grid; width: 50px; height: 50px; padding: 8px; place-items: center; color: #a0a0a7; background: transparent; border: 0; border-radius: 50%; cursor: pointer; }
.transport-button:active { background: rgba(255,255,255,.08); }
.transport-button svg { width: 100%; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.transport-button text { fill: currentColor; stroke: none; font: 7px var(--sans); }
.play-button { display: grid; width: 68px; height: 68px; padding: 0; place-items: center; color: white; background: linear-gradient(180deg, #ff5e55, #ea342c); border: 1px solid rgba(255,255,255,.16); border-radius: 50%; box-shadow: 0 8px 24px rgba(255,69,58,.28), inset 0 1px rgba(255,255,255,.3); cursor: pointer; }
.play-button:active { transform: scale(.97); }
.play-button svg { grid-area: 1 / 1; width: 31px; fill: currentColor; }
.pause-icon, .is-playing .play-icon { display: none; }
.is-playing .pause-icon { display: block; }

.speed-control { padding: 12px 2px 0; border-top: 1px solid var(--night-separator); }
.auto-pace-toggle { display: grid; width: 100%; min-height: 46px; margin-bottom: 10px; padding: 7px 10px; grid-template-columns: 30px minmax(0, 1fr) auto; gap: 9px; align-items: center; color: #f5f5f7; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.08); border-radius: 15px; cursor: pointer; text-align: left; }
.auto-pace-toggle[aria-pressed="true"] { background: var(--tint-soft); border-color: rgba(255,69,58,.3); }
.auto-pace-icon { display: grid; width: 30px; height: 30px; place-items: center; color: var(--tint); background: var(--tint-soft); border-radius: 9px; font-size: 16px; }
.auto-pace-toggle > span:nth-child(2) { display: grid; min-width: 0; gap: 1px; }
.auto-pace-toggle strong { font-size: 12px; }
.auto-pace-toggle small { overflow: hidden; color: #85858c; font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.auto-pace-toggle > b { padding: 4px 7px; color: #a0a0a7; background: rgba(255,255,255,.07); border-radius: 999px; font-size: 9px; }
.auto-pace-toggle[aria-pressed="true"] > b { color: #fff; background: var(--tint-deep); }
.speed-header { display: flex; align-items: end; justify-content: space-between; }
.speed-header > div { display: grid; gap: 2px; }
.speed-header span { font-size: 13px; font-weight: 650; }
.speed-header small { color: #7e7e85; font-size: 10px; }
.speed-header strong { font-size: 18px; letter-spacing: -.035em; }
.speed-header strong b { font: inherit; }
.speed-control > input::-webkit-slider-runnable-track, .setting-slider input::-webkit-slider-runnable-track { background: linear-gradient(90deg, var(--tint) var(--range-progress, 0%), rgba(118,118,128,.28) var(--range-progress, 0%)); }
.speed-bounds { margin-top: -3px; }

.toast { position: fixed; z-index: 100; left: 50%; bottom: calc(92px + env(safe-area-inset-bottom)); max-width: calc(100% - 32px); padding: 11px 16px; color: white; background: rgba(28,28,30,.88); border: 1px solid rgba(255,255,255,.12); border-radius: 999px; box-shadow: 0 12px 30px rgba(0,0,0,.2); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); transform: translateX(-50%); font-size: 12px; font-weight: 600; text-align: center; white-space: nowrap; }
.player-open .toast { bottom: calc(20px + env(safe-area-inset-bottom)); }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }
[hidden] { display: none !important; }

@media (min-width: 700px) {
  .home-view, .library-view, .stats-view, .settings-view { padding-right: max(34px, env(safe-area-inset-right)); padding-left: max(34px, env(safe-area-inset-left)); }
  .import-card { padding: 26px; }
  .tab-panel { min-height: 320px; }
}

@media (max-width: 480px) {
  .privacy-pill { max-width: 142px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .home-view, .library-view, .stats-view, .settings-view { padding-top: 28px; }
  .page-heading { margin-bottom: 24px; }
  .import-card { padding: 16px; }
  .tab-panel { min-height: 298px; }
  textarea { min-height: 140px; }
  .pages-card { padding: 21px; }
  .player-header { height: calc(56px + env(safe-area-inset-top)); }
  .player-summary { margin-top: 2px; }
  .focus-stage { padding-right: max(28px, env(safe-area-inset-right)); padding-left: max(28px, env(safe-area-inset-left)); }
  .focus-word { font-size: var(--focus-font-size, clamp(42px, 16vw, 72px)); }
  .focus-guide.top { top: 9%; }
  .focus-guide.bottom { bottom: 10%; }
  .player-dock { padding: 11px 13px 13px; border-radius: 24px; }
  .transport { margin-bottom: 5px; }
  .play-button { width: 62px; height: 62px; }
  .transport { grid-template-columns: 50px 66px 50px; gap: 16px; }
}

@media (max-height: 730px) {
  .player-summary { display: none; }
  .focus-guide { height: 28px; }
  .focus-stage { padding-block: 18px; }
  .word-context { bottom: 3%; }
  .transport { margin-bottom: 0; }
  .play-button { width: 58px; height: 58px; }
  .player-dock { padding-block: 9px 11px; }
  .speed-control { padding-top: 8px; }
  .auto-pace-toggle { min-height: 38px; margin-bottom: 6px; padding-block: 4px; }
  .auto-pace-toggle small { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}