/* 레이아웃: 연한 라벤더 바탕에 둥근 흰 카드(앱시트). 위에 시트 이름 알약, 아래 탭 막대.
   아이패드 가로(1000px 이상)에서는 시트 두 개를 나란히 띄울 수 있다. */
:root {
  --bg: #eef0f7;
  --card: #ffffff;
  --soft: #f6f7fb;
  --line: #e3e6ef;
  --line-2: #d4d8e4;
  --ink: #2b2f3a;
  --muted: #8a90a2;
  --accent: #7f9cf5;
  --accent-ink: #ffffff;
  --accent-strong: #5674e0;
  --accent-soft: #e7ecfd;
  --check: #3a3f4c;
  --good: #3f9d6d;
  --warn: #d4682b;
  --warn-soft: #fdeee4;
  --sun: #e0565b;
  --sat: #5674e0;
  --font: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Noto Sans KR", "Malgun Gothic", sans-serif;
  --num: ui-monospace, "SF Mono", Menlo, monospace;
  --radius: 18px;
  --tabbar: 64px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14161d; --card: #1d2029; --soft: #242834; --line: #2e3340; --line-2: #3a4050; --ink: #e8eaf1; --muted: #9298aa;
    --accent: #8ea6ff; --accent-ink: #14161d; --accent-strong: #a9bbff; --accent-soft: #2a3150; --check: #dfe3ee;
    --good: #66cc98; --warn: #ff9f66; --warn-soft: #3a2a20; --sun: #ff7d80; --sat: #92a8ff; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #14161d; --card: #1d2029; --soft: #242834; --line: #2e3340; --line-2: #3a4050; --ink: #e8eaf1; --muted: #9298aa;
  --accent: #8ea6ff; --accent-ink: #14161d; --accent-strong: #a9bbff; --accent-soft: #2a3150; --check: #dfe3ee;
  --good: #66cc98; --warn: #ff9f66; --warn-soft: #3a2a20; --sun: #ff7d80; --sat: #92a8ff; color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 var(--font); -webkit-tap-highlight-color: transparent; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--bg); }
h1, h2, h3 { margin: 0; line-height: 1.3; text-wrap: balance; }
h2 { font-size: 19px; font-weight: 700; }
h3 { font-size: 15px; font-weight: 700; }
code { font-family: var(--num); font-size: 13px; background: var(--soft); padding: 1px 5px; border-radius: 5px; }
button { font-family: var(--font); color: inherit; }

/* ---------- 틀 ---------- */
.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: var(--bg);
  padding-left: max(18px, env(safe-area-inset-left, 0px)); padding-right: max(18px, env(safe-area-inset-right, 0px)); padding-block: 10px 6px; }
.top .inner { max-width: 1400px; margin: 0 auto; display: flex; align-items: center; gap: 10px; min-height: 44px; }
.grow { flex: 1; }
.sheet-pill { display: inline-flex; align-items: center; gap: 8px; background: var(--card); border: 1px solid var(--line); border-radius: 99px; padding: 8px 18px 8px 14px; font-weight: 700; font-size: 15px; box-shadow: 0 1px 2px rgb(30 40 80 / .04); }
.sheet-pill svg { width: 20px; height: 20px; fill: none; stroke: var(--accent-strong); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.sheet-pill.small { padding: 5px 14px 5px 10px; font-size: 14px; }
.side-pick { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); }
.side-pick select { width: auto; min-height: 38px; padding: 4px 10px; background: var(--card); }

main { max-width: 1400px; margin: 0 auto;
  padding-left: max(18px, env(safe-area-inset-left, 0px)); padding-right: max(18px, env(safe-area-inset-right, 0px));
  padding-block: 6px calc(var(--tabbar) + 34px + env(safe-area-inset-bottom, 0px)); }
.pane { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
main.split-view { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; align-items: start; }
main.split-view .pane + .pane { position: sticky; top: calc(64px + env(safe-area-inset-top, 0px)); max-height: calc(100vh - 150px); overflow-y: auto; padding: 14px; background: var(--soft); border-radius: 24px; border: 1px solid var(--line); }
.pane-h { display: flex; }

nav.tabs { position: fixed; left: 0; right: 0; bottom: 0; z-index: 8; display: flex; justify-content: center; gap: 2px;
  background: var(--card); background: color-mix(in srgb, var(--card) 90%, transparent);
  -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); border-top: 1px solid var(--line);
  padding: 6px max(10px, env(safe-area-inset-right, 0px)) calc(6px + env(safe-area-inset-bottom, 0px)) max(10px, env(safe-area-inset-left, 0px)); }
nav.tabs button { flex: 0 1 108px; min-height: 52px; border: 0; background: none; color: var(--muted); border-radius: 14px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; font: 600 12px var(--font); cursor: pointer; }
nav.tabs svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
nav.tabs button[aria-selected="true"] { color: var(--accent-strong); background: var(--accent-soft); }

.toast { position: fixed; left: 50%; transform: translateX(-50%); z-index: 20; bottom: calc(var(--tabbar) + 72px + env(safe-area-inset-bottom, 0px));
  background: var(--check); color: var(--card); padding: 10px 18px; border-radius: 14px; font-size: 15px; max-width: calc(100% - 40px); box-shadow: 0 8px 28px rgb(20 30 60 / .2);
  display: flex; align-items: center; gap: 14px; }
.toast[hidden] { display: none; }
.toast .undo { border: 0; background: none; color: var(--accent); font: 700 15px var(--font); padding: 4px 2px; cursor: pointer; white-space: nowrap; min-height: 36px; }
.timerbar { position: fixed; z-index: 9; left: 50%; transform: translateX(-50%); bottom: calc(var(--tabbar) + 14px + env(safe-area-inset-bottom, 0px));
  display: flex; align-items: center; gap: 12px; background: var(--card); border: 1px solid var(--line); border-radius: 99px; padding: 6px 8px 6px 18px;
  box-shadow: 0 8px 28px rgb(20 30 60 / .14); max-width: calc(100% - 32px); }
.timerbar .t-title { font-weight: 600; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 40vw; }
.timerbar .t-clock { font-family: var(--num); font-size: 18px; font-variant-numeric: tabular-nums; }
.timerbar .t-phase { font-size: 12px; color: var(--muted); white-space: nowrap; }
.timerbar.rest .pulse, .timerbar.wait .pulse { background: var(--good); }
.focus { position: fixed; inset: 0; z-index: 30; background: var(--bg); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px;
  padding: max(24px, env(safe-area-inset-top, 0px)) max(20px, env(safe-area-inset-right, 0px)) max(24px, env(safe-area-inset-bottom, 0px)) max(20px, env(safe-area-inset-left, 0px)); text-align: center; }
.focus .f-top { position: absolute; top: max(16px, env(safe-area-inset-top, 0px)); left: max(16px, env(safe-area-inset-left, 0px)); right: max(16px, env(safe-area-inset-right, 0px)); display: flex; justify-content: space-between; align-items: center; }
.f-ring { position: relative; width: min(70vw, 56vh, 420px); aspect-ratio: 1 / 1; max-width: 100%; }
.f-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.f-ring circle { fill: none; stroke-width: 6; }
.f-ring .bg { stroke: var(--line); }
.f-ring .fg { stroke: var(--sc, var(--accent)); stroke-linecap: round; transition: stroke-dashoffset 1s linear; }
.focus.rest .f-ring .fg, .focus.wait .f-ring .fg { stroke: var(--good); }
.f-center { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; }
.f-clock { font-family: var(--num); font-size: clamp(48px, 12vw, 96px); font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.f-sub { font-size: 14px; color: var(--muted); }
.f-title { font-size: 20px; font-weight: 700; max-width: 640px; overflow-wrap: anywhere; }
.f-acts { justify-content: center; }
.btn.big { min-height: 52px; padding: 10px 26px; font-size: 16px; border-radius: 16px; }
@media (prefers-reduced-motion: reduce) { .f-ring .fg { transition: none; } }
.pulse { width: 10px; height: 10px; border-radius: 50%; background: var(--warn); flex: none; }
@media (prefers-reduced-motion: no-preference) { .timerbar .t-phase { font-size: 12px; color: var(--muted); white-space: nowrap; }
.timerbar.rest .pulse, .timerbar.wait .pulse { background: var(--good); }
.focus { position: fixed; inset: 0; z-index: 30; background: var(--bg); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px;
  padding: max(24px, env(safe-area-inset-top, 0px)) max(20px, env(safe-area-inset-right, 0px)) max(24px, env(safe-area-inset-bottom, 0px)) max(20px, env(safe-area-inset-left, 0px)); text-align: center; }
.focus .f-top { position: absolute; top: max(16px, env(safe-area-inset-top, 0px)); left: max(16px, env(safe-area-inset-left, 0px)); right: max(16px, env(safe-area-inset-right, 0px)); display: flex; justify-content: space-between; align-items: center; }
.f-ring { position: relative; width: min(70vw, 56vh, 420px); aspect-ratio: 1 / 1; max-width: 100%; }
.f-ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.f-ring circle { fill: none; stroke-width: 6; }
.f-ring .bg { stroke: var(--line); }
.f-ring .fg { stroke: var(--sc, var(--accent)); stroke-linecap: round; transition: stroke-dashoffset 1s linear; }
.focus.rest .f-ring .fg, .focus.wait .f-ring .fg { stroke: var(--good); }
.f-center { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; }
.f-clock { font-family: var(--num); font-size: clamp(48px, 12vw, 96px); font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.f-sub { font-size: 14px; color: var(--muted); }
.f-title { font-size: 20px; font-weight: 700; max-width: 640px; overflow-wrap: anywhere; }
.f-acts { justify-content: center; }
.btn.big { min-height: 52px; padding: 10px 26px; font-size: 16px; border-radius: 16px; }
@media (prefers-reduced-motion: reduce) { .f-ring .fg { transition: none; } }
.pulse { animation: pulse 1.6s ease-in-out infinite; } @keyframes pulse { 50% { opacity: .3; } } }

/* ---------- 공통 ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; display: flex; flex-direction: column; gap: 10px; min-width: 0; box-shadow: 0 1px 2px rgb(30 40 80 / .03); }
.card.soft { background: var(--soft); box-shadow: none; }
.card.dashed { background: transparent; border-style: dashed; box-shadow: none; }
.card.empty { align-items: flex-start; }
.card > .btn { align-self: flex-start; }
.card > .btn.wide { align-self: stretch; }
.row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.between { justify-content: space-between; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.hint { margin: 0; font-size: 13px; color: var(--muted); }
.err, .err-t { margin: 0; color: var(--warn); font-size: 14px; font-weight: 600; }
.err:empty, .err-t:empty { display: none; }
.cap { font-size: 12px; font-weight: 700; letter-spacing: .06em; color: var(--muted); text-transform: uppercase; }
.num { font-family: var(--num); font-variant-numeric: tabular-nums; font-size: 14px; }
.cards-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 360px), 1fr)); align-items: start; }

.btn { font: 600 14px var(--font); color: var(--ink); background: var(--card); border: 1px solid var(--line-2); border-radius: 12px;
  min-height: 42px; padding: 8px 15px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 6px; }
.btn.small { min-height: 34px; padding: 4px 12px; font-size: 13px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--muted); }
.btn.danger { color: var(--warn); }
.link { border: 0; background: none; color: var(--accent-strong); font: 600 14px var(--font); padding: 2px 0; cursor: pointer; }
.icon { border: 1px solid var(--line); background: var(--card); color: var(--muted); width: 38px; height: 38px; border-radius: 12px; font-size: 19px; cursor: pointer; flex: none; }
.mini-btn { width: 32px; height: 32px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--muted); font: 700 13px var(--font); cursor: pointer; flex: none; }
.mini-btn.on { background: var(--warn); border-color: var(--warn); color: #fff; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .file-btn:focus-within { outline: 3px solid var(--accent); outline-offset: 2px; }
.file-btn { position: relative; overflow: hidden; }
.file-btn input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

.chip { display: inline-flex; align-items: center; gap: 5px; border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 99px; padding: 4px 12px; font: 500 13px var(--font); cursor: pointer; min-height: 32px; }
.chip.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent-strong); font-weight: 700; }
.pill { font-size: 13px; font-weight: 700; padding: 3px 10px; border-radius: 99px; background: var(--accent-soft); color: var(--accent-strong); white-space: nowrap; }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.good { background: var(--accent-soft); color: var(--good); }
.warn-t { color: var(--warn); }
.tag { display: inline-block; font-size: 11px; font-weight: 700; padding: 0 6px; border-radius: 6px; margin-right: 6px; border: 1px solid currentColor; vertical-align: 1px; line-height: 1.55; }
.tag.carry { color: var(--warn); }
.tag.carry.stale { background: var(--warn); border-color: var(--warn); color: var(--card); }
.tag.task { color: #9b6fd6; }
.tag.ch { color: var(--accent-strong); }
.tag.rv { color: var(--good); }
.tag.today { color: var(--accent-strong); }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; flex: none; }
.cname { display: inline-flex; align-items: center; gap: 6px; min-width: 0; }
.bar { height: 7px; border-radius: 99px; background: var(--soft); overflow: hidden; }
.bar > i { display: block; height: 100%; border-radius: 99px; }
@media (prefers-reduced-motion: no-preference) { .bar > i { transition: width .3s ease; } }
.alert { border-radius: 14px; padding: 11px 14px; font-size: 14px; margin: 0; }
.alert.warn { background: var(--warn-soft); }
.alert.warn b { color: var(--warn); }
.alert.info { background: var(--accent-soft); }
.confirm { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; background: var(--soft); padding: 10px 12px; border-radius: 12px; }
.confirm span { flex: 1 1 200px; }

.seg { display: grid; grid-template-columns: 1fr 1fr; background: var(--soft); border-radius: 14px; padding: 4px; gap: 4px; }
.seg.three { grid-template-columns: repeat(3, 1fr); }
.seg button { border: 0; background: none; border-radius: 10px; min-height: 38px; font: 600 14px var(--font); color: var(--muted); cursor: pointer; }
.seg button[aria-selected="true"], .seg button[aria-checked="true"] { background: var(--card); color: var(--ink); box-shadow: 0 1px 3px rgb(30 40 80 / .1); }

.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field > span { font-size: 13px; font-weight: 600; color: var(--muted); }
.form-grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 210px), 1fr)); }
input[type=text], input[type=number], input[type=date], input[type=time], input[type=url], select, textarea {
  font: 16px var(--font); color: var(--ink); background: var(--soft); border: 1px solid var(--line); border-radius: 12px; min-height: 42px; padding: 8px 11px; width: 100%; min-width: 0; }
textarea { resize: vertical; line-height: 1.5; }
input[type=number] { -moz-appearance: textfield; }
input[type=number]::-webkit-inner-spin-button, input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type=range] { width: 100%; min-height: 40px; accent-color: var(--accent); }
.bare { background: transparent !important; border-color: transparent !important; padding-inline: 2px !important; min-height: 34px !important; }
.bare:focus { background: var(--card) !important; border-color: var(--line) !important; }
.bare.strong { font-weight: 700; }
.struck { text-decoration: line-through; color: var(--muted) !important; }
.switch { display: flex; align-items: center; gap: 10px; font-size: 15px; }
.switch input { width: 22px; height: 22px; accent-color: var(--accent); }

/* 체크박스 (진한 네모 + 흰 체크) */
.cb { width: 24px; height: 24px; border-radius: 7px; border: 1.6px solid var(--line-2); background: var(--card); display: inline-grid; place-items: center; cursor: pointer; flex: none; padding: 0; }
.cb svg { width: 15px; height: 15px; fill: none; stroke: transparent; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.cb.on { background: var(--check); border-color: var(--check); }
.cb.on svg { stroke: var(--card); }

/* ---------- 하루 계획 ---------- */
.day-head { display: grid; gap: 10px; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 10px 14px; display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.stat .k { font-size: 12px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.stat b { font-size: 17px; }
.stat.datebox { flex-direction: row; align-items: center; gap: 8px; }
.stat.datebox > div { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.stat .nav { border: 0; background: none; color: var(--muted); font-size: 22px; width: 32px; height: 40px; cursor: pointer; flex: none; }
.dots { display: flex; gap: 3px; margin-top: 4px; flex-wrap: wrap; }
.dots i { width: 12px; height: 6px; border-radius: 2px; background: var(--line); }
.dots i.on { background: var(--good); }
.viewing { background: var(--accent-soft); border-radius: 14px; padding: 8px 12px; font-size: 14px; }
.sheet-row.two { display: grid; gap: 12px; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.big3 { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; counter-reset: b; }
.big3 li { display: flex; align-items: center; gap: 8px; }
.big3 li::before { counter-increment: b; content: counter(b) "."; font-size: 13px; color: var(--muted); width: 14px; }
.day-grid { display: grid; gap: 14px; grid-template-columns: minmax(0, 1.25fr) minmax(300px, 1fr); align-items: start; }
.day-grid.no-table { grid-template-columns: minmax(0, 1fr); }
.day-grid > .col { display: flex; flex-direction: column; gap: 14px; min-width: 0; }

.subj { border: 1px solid var(--line); border-radius: 16px; padding: 4px 12px 8px; }
.subj + .subj { margin-top: 8px; }
.subj-h { display: flex; align-items: center; gap: 8px; width: 100%; border: 0; background: none; padding: 8px 0 4px; cursor: pointer; font-size: 15px; text-align: left; }
.subj-h::before { content: ""; width: 14px; height: 14px; border-radius: 50%; background: var(--sc); opacity: .35; flex: none; }
.subj-h .em { font-size: 17px; }
.cnt { color: var(--muted); font-size: 13px; margin-left: auto; font-variant-numeric: tabular-nums; }
.chev { color: var(--muted); width: 18px; text-align: center; }
ul.items { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.row-item { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 4px 12px; padding: 9px 2px; border-top: 1px solid var(--line); }
.row-item:first-child { border-top: 0; }
.row-item > .cb { margin-top: 1px; }
.ri-body { flex: 1 1 200px; min-width: 0; }
.ri-title { font-weight: 500; overflow-wrap: anywhere; }
.ri-meta { font-size: 13px; color: var(--muted); }
.ri-meta b { color: var(--ink); font-weight: 600; }
.sep { margin: 0 5px; opacity: .6; }
.ri-acts { display: flex; gap: 6px; }
.row-item.done .ri-title { text-decoration: line-through; color: var(--muted); }
.row-item.sc-bar { border-left: 3px solid var(--sc); padding-left: 8px; border-top-color: transparent; margin-top: 4px; border-radius: 2px; }
ul.items.compact .row-item { padding: 5px 2px 5px 8px; gap: 8px; }
ul.items.compact .cb { width: 20px; height: 20px; border-radius: 6px; }
ul.items.compact .ri-body { flex-basis: 80px; }
ul.items.compact .ri-title { font-size: 14px; }
.partial { flex: 1 1 100%; display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: flex-end; background: var(--soft); border-radius: 14px; padding: 12px; }
.partial .field { flex: 1 1 180px; }
.partial .field.memo { flex-basis: 100%; }
.add-todo { display: grid; grid-template-columns: minmax(90px, 140px) minmax(0, 1fr) auto; gap: 8px; margin-top: 4px; }
.evlist, ul.plain { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.evlist li { display: flex; align-items: center; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--line); }
.evlist .cat { font-size: 12px; color: var(--muted); }
.evlist li > span:nth-of-type(2) { flex: 1; }
main .cal-detail .add-todo { grid-template-columns: minmax(0, 1fr) auto; }
main .cal-detail .add-todo select { grid-column: 1 / -1; }
ul.plain li { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.review { display: grid; gap: 6px; }
.kpt { display: grid; grid-template-columns: 26px minmax(0, 1fr); align-items: start; gap: 8px; border-top: 1px solid var(--line); padding-top: 6px; }
.kpt b { color: var(--accent-strong); padding-top: 6px; }

/* 다음 할 것 */
.next-up { flex-direction: row; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; border-left: 5px solid var(--sc); }
.nu-body { display: flex; flex-direction: column; gap: 2px; min-width: 0; flex: 1 1 220px; }
.nu-body b { font-size: 17px; overflow-wrap: anywhere; }

a.link-out { text-decoration: none; }
.why-btn { align-self: flex-start; font-size: 13px; }
.why { background: var(--soft); border-radius: 12px; padding: 10px 12px; font-size: 14px; }
.why ul { margin: 0; padding-left: 18px; display: flex; flex-direction: column; gap: 4px; }
.settings details { border-top: 1px solid var(--line); padding: 8px 0; }
.settings details p { margin: 6px 0 0; font-size: 14px; color: var(--muted); }
.settings summary { cursor: pointer; font-weight: 600; color: var(--ink); }

/* 시간표 */
.timetable { gap: 6px; }
.tt-top, .tt-row { display: grid; grid-template-columns: minmax(0, 1fr) 30px minmax(0, 1fr); gap: 0; align-items: center; }
.tt-top { text-align: center; }
.tt-cols { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)) 30px repeat(6, minmax(0, 1fr)); font-size: 10px; color: var(--muted); text-align: center; }
.tt-body { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.tt-row + .tt-row { border-top: 1px solid var(--line); }
.tt-cells { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); }
.tt-cells .c { height: 24px; border: 0; border-left: 1px solid var(--line); background: var(--card); padding: 0; font-size: 12px; line-height: 24px; text-align: center; overflow: hidden; }
.tt-cells .c:first-child { border-left: 0; }
.tt-cells button.c { cursor: pointer; }
.tt-cells .c.f { background: var(--accent-soft); background: color-mix(in srgb, var(--sc) 38%, var(--card)); }
.tt-h { text-align: center; font-size: 12px; font-weight: 600; color: var(--muted); border-inline: 1px solid var(--line); height: 24px; line-height: 24px; background: var(--soft); }
.tt-h.now { color: #fff; background: var(--accent); }
.brush { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.brush .chip.on { background: var(--accent-soft); background: color-mix(in srgb, var(--sc, var(--accent)) 30%, var(--card)); border-color: var(--sc, var(--accent)); color: var(--ink); }

/* ---------- 한 주 ---------- */
.week-grid { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 150px), 1fr)); align-items: start; }
@media (min-width: 1100px) { main:not(.split-view) .week-grid { grid-template-columns: repeat(7, minmax(0, 1fr)); } }
.wday { padding: 10px; gap: 6px; }
.wday-h { display: flex; align-items: baseline; gap: 6px; border: 0; background: none; padding: 2px 0; cursor: pointer; text-align: left; flex-wrap: wrap; }
.wday-h .muted { margin-left: auto; }
.sun { color: var(--sun); }
.sat { color: var(--sat); }
.wday.is-today { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.wday.is-blocked { background: var(--soft); }
.wday.past { opacity: .7; }
.evchip { display: block; font-size: 11px; font-weight: 600; padding: 1px 6px; border-radius: 6px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  background: var(--soft); background: color-mix(in srgb, var(--ec) 25%, var(--card)); color: var(--ink); border-left: 3px solid var(--ec); }

/* ---------- 캘린더 ---------- */
.cal-wrap { display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr); align-items: start; }
@media (min-width: 1000px) { main:not(.split-view) .cal-wrap { grid-template-columns: minmax(0, 2.2fr) minmax(300px, 1fr); } }
.filters { display: flex; flex-wrap: wrap; gap: 6px; }
.month { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; }
.mh { text-align: center; font-size: 12px; font-weight: 600; color: var(--muted); padding-bottom: 2px; }
.mh.sun { color: var(--sun); }
.mh.sat { color: var(--sat); }
.mc { min-height: 92px; border: 1px solid var(--line); background: var(--card); border-radius: 10px; padding: 4px; display: flex; flex-direction: column; gap: 2px; align-items: stretch; text-align: left; cursor: pointer; min-width: 0; font: inherit; color: inherit; }
.mc.empty { border: 0; background: none; cursor: default; }
.mc .n { font-size: 13px; font-weight: 600; }
.mc.is-today .n { background: var(--accent); color: #fff; border-radius: 99px; width: 22px; height: 22px; display: inline-grid; place-items: center; }
.mc.sel { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.mc.past { opacity: .6; }
.mc.b-rest { background: var(--soft); }
.mc.b-exam { background: var(--warn-soft); }
.mc .bl { font-size: 11px; font-weight: 700; color: var(--warn); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mc.b-rest .bl { color: var(--muted); }
.mc .ovr { font-size: 11px; font-weight: 700; color: var(--accent-strong); }
.day-min { display: flex; flex-direction: column; gap: 6px; }
.day-min .btn { align-self: flex-start; }
.mc .more { font-size: 11px; color: var(--muted); }
.mc .study { margin-top: auto; font-size: 11px; color: var(--muted); display: flex; align-items: center; gap: 2px; flex-wrap: wrap; }
.mc .study i { width: 7px; height: 7px; border-radius: 50%; }

/* ---------- 챌린지 ---------- */
.pills { display: flex; gap: 8px; flex-wrap: wrap; }
.pill-tab { border: 1px solid var(--line); background: var(--card); border-radius: 99px; padding: 6px 14px; font: 600 14px var(--font); cursor: pointer; min-height: 38px; }
.pill-tab span { color: var(--accent-strong); margin-left: 4px; }
.pill-tab.on { background: var(--check); color: var(--card); border-color: var(--check); }
.pill-tab.on span { color: var(--card); opacity: .8; }
.pill-tab.add { border-style: dashed; color: var(--muted); }
.title-input { font-size: 19px !important; font-weight: 700; max-width: 320px; }
.pct-pill { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; font-size: 14px; }
.ring { width: 18px; height: 18px; border-radius: 50%; background: conic-gradient(var(--good) calc(var(--p) * 1%), var(--line) 0); }
.subj-tabs { display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 1px solid var(--line); }
.stab { border: 0; background: none; padding: 8px 12px 10px; font: 600 14px var(--font); color: var(--muted); cursor: pointer; border-bottom: 2.5px solid transparent; margin-bottom: -1px; }
.stab span { font-size: 12px; margin-left: 2px; }
.stab.on { color: var(--ink); border-bottom-color: var(--sc, var(--accent)); }
.stab.add { color: var(--accent-strong); }
.ch-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 340px), 1fr)); align-items: start; }
.ch-group { padding: 12px; gap: 8px; }
.ch-g-h, .ch-ch-h { display: flex; align-items: center; gap: 6px; }
.fold { display: flex; align-items: center; gap: 8px; width: 100%; border: 0; background: none; padding: 6px 4px; cursor: pointer; text-align: left; font-size: 15px; }
.ch-child { background: var(--soft); border-radius: 14px; padding: 4px 8px 8px; }
.ch-child .fold { font-size: 14px; }
.ch-items { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.ch-item { display: flex; align-items: center; gap: 10px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 9px 10px; flex-wrap: wrap; }
.ch-text { flex: 1 1 160px; min-width: 0; overflow-wrap: anywhere; }
.ch-item.done .ch-text { text-decoration: line-through; color: var(--muted); }
.ch-item .bare { flex: 1 1 160px; }
.when { font-size: 12px; color: var(--accent-strong); white-space: nowrap; }
.mins { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; color: var(--muted); }
.mins input { width: 64px; min-height: 34px; padding: 4px 6px; }
.add-line input { background: transparent; border: 1px dashed var(--line-2); min-height: 38px; font-size: 14px; margin-top: 6px; }

/* ---------- 진도 ---------- */
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.stats > div { background: var(--soft); border-radius: 12px; padding: 8px 12px; display: flex; flex-direction: column; min-width: 0; }
.k { font-size: 12px; color: var(--muted); }
.v { font-weight: 700; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.tasklist, .log { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.tasklist li { display: flex; justify-content: space-between; gap: 10px; padding: 7px 0; border-top: 1px solid var(--line); }
.tasklist li.done > span:first-child { text-decoration: line-through; color: var(--muted); }
.log > li { padding: 10px 0; border-top: 1px solid var(--line); }
.log > li:first-child { border-top: 0; }
.log ul { margin: 4px 0 0; padding-left: 18px; font-size: 14px; }

/* 밀림 분석 · D-day */
.ins-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.ins-grid > div { display: flex; flex-direction: column; gap: 6px; }
.hbars { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.hbars li { display: grid; grid-template-columns: 52px minmax(0, 1fr) auto; gap: 8px; align-items: center; font-size: 13px; }
.hb-k { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hb-track { height: 10px; background: var(--soft); border-radius: 4px; overflow: hidden; }
.hb-track i { display: block; height: 100%; border-radius: 0 4px 4px 0; }
.hb-v { color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.dd-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.dd-list > li { display: flex; flex-direction: column; gap: 6px; }
.dd-list > li + li { border-top: 1px solid var(--line); padding-top: 12px; }
.dd-row { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 2fr) auto; gap: 10px; align-items: center; }

/* 주간 리포트 · 오답 노트 */
.rep-tiles { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 170px), 1fr)); }
.hbars.rep li { grid-template-columns: 76px minmax(0, 1fr) 84px; }
.hb-track.cap { position: relative; background: linear-gradient(90deg, var(--accent-soft) var(--cap), var(--soft) var(--cap)); }
.hb-track.cap i { position: relative; z-index: 1; }
.hb-track.cap em { position: absolute; left: 0; top: 0; bottom: 0; border: 1.5px dashed var(--accent-strong); border-radius: 4px; }
.hb-k.wide { white-space: nowrap; }
.notes li { align-items: flex-start; }
.notes em { font-style: normal; font-weight: 700; color: var(--accent-strong); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.rep-seg { max-width: 320px; }
.heat { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; }
.hm-h { text-align: center; font-size: 12px; color: var(--muted); font-weight: 600; }
.hm { min-height: 46px; border-radius: 8px; padding: 3px 5px; display: flex; flex-direction: column; font-size: 12px; background: var(--soft); min-width: 0; }
.hm.empty { background: none; }
.hm b { font-weight: 600; }
.hm i { font-style: normal; font-size: 10px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hm.l1 { background: color-mix(in srgb, var(--accent) 22%, var(--card)); }
.hm.l2 { background: color-mix(in srgb, var(--accent) 45%, var(--card)); }
.hm.l3 { background: color-mix(in srgb, var(--accent) 70%, var(--card)); color: var(--accent-ink); }
.hm.l4 { background: var(--accent-strong); color: var(--accent-ink); }
.hm.is-today { box-shadow: inset 0 0 0 2px var(--ink); }
.hm-legend { display: flex; align-items: center; gap: 4px; }
.hm.key { min-height: 12px; width: 18px; padding: 0; }
.score-in { display: inline-flex; align-items: center; gap: 4px; font-size: 13px; color: var(--muted); }
.score-in input { width: 64px; min-height: 34px; padding: 4px 6px; text-align: center; }
.sc-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); }
.sc-chart { display: flex; flex-direction: column; gap: 4px; }
.sc-chart svg { width: 100%; height: auto; max-width: 100%; }
.sc-chart .g { stroke: var(--line); stroke-width: 1; }
.sc-chart .ax { fill: var(--muted); font-size: 10px; font-family: var(--font); }
.sc-chart .val { fill: var(--ink); font-size: 12px; font-weight: 700; font-family: var(--font); }
.sc-chart .pt { stroke: var(--card); stroke-width: 2; }
.add-exam { display: grid; gap: 8px; grid-template-columns: minmax(0, 2fr) minmax(0, 1.2fr) minmax(0, 1fr) auto; }
.add-wrong { display: grid; gap: 8px; grid-template-columns: 76px minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1.4fr) auto; }
@media (max-width: 760px) { .add-exam, .add-wrong { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }
.ins-grid .hbars li { grid-template-columns: minmax(52px, auto) minmax(0, 1fr) auto; }

/* 단축키 */
.keys { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr)); gap: 6px 14px; font-size: 14px; }
kbd { font-family: var(--num); font-size: 12px; background: var(--soft); border: 1px solid var(--line-2); border-bottom-width: 2px; border-radius: 6px; padding: 1px 6px; }
.memo-line { font-size: 13px; color: var(--muted); margin-top: 2px; white-space: pre-wrap; overflow-wrap: anywhere; }
.memo-line::before { content: "✎ "; }

/* 처음 시작하기 */
.onboard { max-width: 760px; margin: 0 auto; width: 100%; gap: 14px; }
.ob-dots { display: flex; gap: 6px; }
.ob-dots i { flex: 1; height: 5px; border-radius: 99px; background: var(--line); }
.ob-dots i.on { background: var(--accent); }
.chips-row { display: flex; flex-wrap: wrap; gap: 6px; }
.steps { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 4px; font-size: 15px; }
.ok-t { margin: 0; color: var(--good); font-weight: 600; }
.sample-note { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }

/* ---------- 강좌·교재 ---------- */
.how ol { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
.pdf-box { display: flex; flex-direction: column; gap: 8px; border: 1px dashed var(--line-2); border-radius: 14px; padding: 12px; }
.pdf-box .pg { width: 64px; min-height: 34px; padding: 4px 6px; }
.pdf-found { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }
.pdf-found > div { display: flex; flex-direction: column; gap: 6px; background: var(--soft); border-radius: 12px; padding: 10px; }
.pdf-found > div > .btn { align-self: flex-start; }
details summary { cursor: pointer; color: var(--muted); }
details textarea { margin-top: 6px; font-size: 13px; }
.course-row.paused { opacity: .7; }
.heard { background: var(--soft); border-radius: 12px; padding: 8px 10px; }
.heard select { width: auto; min-height: 34px; padding: 2px 8px; }
.toc { display: flex; flex-direction: column; gap: 8px; background: var(--soft); border-radius: 14px; padding: 12px; }
.toc input, .toc textarea { background: var(--card); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; max-height: 60vh; overflow-y: auto; }
.lec-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.lec-table th { position: sticky; top: 0; background: var(--card); text-align: left; font-size: 12px; color: var(--muted); padding: 8px; border-bottom: 1px solid var(--line); z-index: 1; }
.lec-table td { padding: 3px 6px; border-top: 1px solid var(--line); vertical-align: middle; }
.lec-table tr:first-child td { border-top: 0; }
.lec-table input[type=text], .lec-table input[type=number] { min-height: 36px; font-size: 14px; padding: 4px 8px; background: transparent; border-color: transparent; }
.lec-table input:focus { background: var(--soft); border-color: var(--line); }
.lec-table input.no { width: 62px; }
.lec-table input.dur { width: 84px; font-family: var(--num); }
.lec-table input.dur.missing { border-color: var(--warn); }
.lec-table input[type=checkbox] { width: 20px; height: 20px; accent-color: var(--warn); }
.lec-table tr.off td { opacity: .45; }
.lec-table tr.off td:first-child { opacity: 1; }
.lec-table .c { text-align: center; }
.lec-table .r { text-align: right; white-space: nowrap; }
.lec-table .icon { width: 32px; height: 32px; font-size: 17px; }
.task-edit { display: grid; gap: 8px; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, .8fr) auto; align-items: end; padding: 10px; background: var(--soft); border-radius: 14px; }
.task-edit input { background: var(--card); }
.range { display: flex; align-items: center; gap: 4px; }
@media (max-width: 760px) { .task-edit { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); } }

/* ---------- 설정 ---------- */
.week { display: grid; grid-template-columns: repeat(auto-fill, minmax(76px, 1fr)); gap: 8px; }
.week .field > span { text-align: center; }
.week input { text-align: center; padding-inline: 4px; font-variant-numeric: tabular-nums; }
.week .weekend > span { color: var(--accent-strong); }
.subj-edit { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.subj-edit li { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.emoji-in { width: 52px !important; text-align: center; font-size: 20px !important; padding: 4px !important; }
.swatches { display: flex; gap: 6px; margin-left: auto; }
.sw { width: 26px; height: 26px; border-radius: 50%; border: 2px solid var(--card); box-shadow: 0 0 0 1px var(--line); cursor: pointer; padding: 0; }
.sw.on { box-shadow: 0 0 0 2px var(--ink); }

/* ---------- 좁은 화면 (나란히 보기, 아이패드 세로 분할, 휴대폰) ---------- */
@media (max-width: 860px) { .day-grid { grid-template-columns: minmax(0, 1fr); } }
main.split-view .day-grid, main.split-view .sheet-row.two { grid-template-columns: minmax(0, 1fr); }
main.split-view .day-head { grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 640px) {
  body { font-size: 15px; }
  .day-head { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  .stat { padding: 8px 10px; }
  .sheet-row.two { grid-template-columns: minmax(0, 1fr); }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .add-todo { grid-template-columns: minmax(0, 1fr) auto; }
  .add-todo select { grid-column: 1 / -1; }
  /* 탭이 9개라 좁은 화면에서는 옆으로 밀어서 보기 */
  nav.tabs { justify-content: flex-start; overflow-x: auto; scrollbar-width: none; }
  nav.tabs::-webkit-scrollbar { display: none; }
  nav.tabs button { flex: 0 0 auto; min-width: 58px; font-size: 11px; white-space: nowrap; padding-inline: 6px; }
  .day-head .datebox { grid-column: 1 / -1; }
  .mc .study { font-size: 10px; }
  .mc { min-height: 64px; }
}

/* 벌금 약속 */
.pn-today { display: flex; flex-direction: column; align-items: stretch; gap: 6px; }
.pn-bar i { background: var(--warn); }
.pn-weeks { list-style: none; margin: 8px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.pn-week { border: 1px solid var(--line); border-radius: 14px; padding: 10px 12px; display: flex; flex-direction: column; gap: 8px; }
.pn-week.paid { opacity: .6; }
.pn-dots { display: flex; gap: 6px; }
.pn-dot { flex: 1; height: 30px; border-radius: 8px; display: grid; place-items: center; font-size: 12px; background: var(--soft); color: var(--muted); border: 1px solid var(--line); }
.pn-dot i { font-style: normal; }
.pn-dot.ok { background: color-mix(in srgb, var(--good) 18%, var(--card)); color: var(--good); font-weight: 700; }
.pn-dot.fail { background: var(--warn-soft); color: var(--warn); font-weight: 700; }
.pn-dot.excused { background: var(--accent-soft); color: var(--accent-strong); }
.pn-dot.rest { opacity: .45; }
.pn-excuse { display: flex; flex-direction: column; gap: 6px; padding: 8px 10px; border-radius: 12px; background: var(--soft); margin-top: 6px; }
.pn-excuse input { flex: 1; min-width: 160px; }

/* 동기화 */
.sync-code { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 10px 12px; border-radius: 12px; background: var(--soft); margin: 8px 0; }
.sync-code .small { flex-basis: 100%; }
.code { font-family: var(--num); letter-spacing: .06em; font-size: 17px; }
.sync-conflict { margin-bottom: 10px; }

/* 친구 랭킹 */
.fr-list { list-style: none; margin: 8px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.fr-row { display: flex; gap: 12px; align-items: flex-start; padding: 10px 12px; border: 1px solid var(--line); border-radius: 14px; }
.fr-row.me { border-color: var(--accent); background: var(--accent-soft); }
.fr-rank { width: 28px; text-align: center; font-size: 20px; font-weight: 700; color: var(--muted); flex: none; }
.fr-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 5px; }
.fr-live { align-self: flex-start; background: color-mix(in srgb, var(--good) 18%, var(--card)); color: var(--good); }
.f-away { color: var(--warn); margin: 0; }

/* 오래 밀린 할 일 */
.row-item.stale { border-left: 3px solid var(--warn); padding-left: 8px; background: var(--warn-soft); border-radius: 10px; border-top-color: transparent; margin-top: 4px; }
.row-item.stale .ri-body { flex-basis: 120px; }
.todo-stale { flex: 1 1 100%; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 10px; padding: 2px 0 4px 30px; color: var(--warn); }
.todo-stale .add-todo { flex: 1 1 100%; margin: 0; grid-template-columns: minmax(0, 1fr) auto auto; }