/* PC-Timer — 차분한 슬레이트 바탕 + 연필 노랑(남은 시간). 강조는 다이얼 하나에만. */
:root {
  --paper: #eef2f6;
  --surface: #ffffff;
  --ink: #172033;
  --muted: #5b6678;
  --line: #d5dce6;
  --pencil: #f2b705;
  --pencil-ink: #6b4f00;
  --go: #2e9e6b;
  --stop: #d6453d;
  --focus: #2563eb;
  --radius-lg: 18px;
  --radius-sm: 8px;
  --display: "Gowun Dodum", "IBM Plex Sans KR", sans-serif;
  --body: "IBM Plex Sans KR", "Malgun Gothic", sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #121826;
    --surface: #1b2334;
    --ink: #e8edf5;
    --muted: #9aa6b8;
    --line: #2c3750;
    --pencil-ink: #f2b705;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.6 var(--body); }
a { color: inherit; text-underline-offset: 3px; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
.wrap { width: min(100% - 32px, 1040px); margin-inline: auto; }
main.wrap { padding-block: 24px 64px; min-height: 60vh; }

h1, h2, h3 { font-family: var(--display); font-weight: 400; line-height: 1.25; margin: 0 0 .5em; }
h1 { font-size: 2rem; }
h2 { font-size: 1.375rem; margin-top: 1.6em; }
h3 { font-size: 1.0625rem; margin-top: 1.2em; }
.lead { font-size: 1.0625rem; color: var(--muted); max-width: 60ch; }
.fine { font-size: .875rem; color: var(--muted); max-width: 65ch; }
.empty { color: var(--muted); padding: 32px 0; }

/* 머리말 */
.site-head { background: var(--surface); border-bottom: 1px solid var(--line); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-family: var(--display); font-size: 1.25rem; text-decoration: none; }
.brand svg { width: 26px; height: 26px; color: var(--pencil); }
.top-nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.top-nav a, .top-nav .link-btn { padding: 8px 12px; border-radius: var(--radius-sm); text-decoration: none; color: var(--muted); }
.top-nav a[aria-current="page"] { color: var(--ink); background: var(--paper); font-weight: 600; }
.top-nav form { margin: 0; }

/* 버튼 */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border-radius: 999px;
  border: 1.5px solid var(--ink); background: var(--ink); color: var(--surface); font: 600 1rem var(--body); cursor: pointer; text-decoration: none; }
.btn.small { min-height: 36px; padding: 0 14px; font-size: .9375rem; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.soft { background: var(--surface); color: var(--ink); border-color: var(--line); }
.btn.stop { background: var(--stop); border-color: var(--stop); color: #fff; }
.btn.stop.ghost { background: transparent; color: var(--stop); }
.btn:active { transform: translateY(1px); }
.link-btn { background: none; border: 0; padding: 0; font: inherit; color: var(--muted); text-decoration: underline; cursor: pointer; }
.link-btn.danger { color: var(--stop); }

.page-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 8px; }
.page-title h1 { margin: 0; }
.page-title form { margin: 0; }

/* 시작하기 */
.setup { background: var(--surface); border-left: 4px solid var(--pencil); padding: 16px 20px; border-radius: var(--radius-sm); margin: 16px 0; }
.setup h2 { margin-top: 0; font-size: 1.125rem; }
.setup ol { margin: 0; padding-left: 1.2em; }

/* 아이 카드 */
.kids { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 440px), 1fr)); margin-top: 16px; }
.kid { background: var(--surface); border-radius: var(--radius-lg); padding: 20px; border: 1px solid var(--line); }
.kid-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.kid-head h2 { margin: 0; font-size: 1.5rem; }
.kid-head h2 a { text-decoration: none; }
.kid-body { display: flex; align-items: center; gap: 20px; margin: 12px 0 16px; }
.dial { width: 136px; height: 136px; flex: none; }
.dial-track { fill: none; stroke: var(--paper); stroke-width: 12; }
.dial-fill { fill: none; stroke-width: 12; stroke-linecap: round; transition: stroke-dasharray .6s ease; }
.dial-big { font-family: var(--display); font-size: 17px; text-anchor: middle; fill: var(--ink); }
.dial-small { font-size: 11px; text-anchor: middle; fill: var(--muted); }
.kid-facts { margin: 0; display: grid; gap: 6px; }
.kid-facts div { display: flex; gap: 10px; }
.kid-facts dt { color: var(--muted); min-width: 6.5em; font-size: .9375rem; }
.kid-facts dd { margin: 0; font-weight: 500; }
.kid-actions { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; border-top: 1px dashed var(--line); padding-top: 14px; }
.kid-actions form { margin: 0; }
.bonus { display: grid; grid-template-columns: auto repeat(3, minmax(64px, 1fr)); align-items: center; gap: 6px; flex: 1 1 320px; }
.bonus span { color: var(--muted); font-size: .9375rem; margin-right: 4px; }
@media (max-width: 420px) { .bonus { grid-template-columns: repeat(3, 1fr); } .bonus span { grid-column: 1 / -1; } }
@media (max-width: 420px) { .kid-body { flex-direction: column; align-items: flex-start; } }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .8125rem; font-weight: 600; background: var(--paper); color: var(--muted); white-space: nowrap; }
.badge.active { background: color-mix(in srgb, var(--go) 15%, transparent); color: var(--go); }
.badge.locked, .badge.done, .badge.warn { background: color-mix(in srgb, var(--stop) 14%, transparent); color: var(--stop); }
.badge.off { background: var(--paper); color: var(--muted); }
.warn { color: var(--stop); }

/* 폼 */
.narrow { max-width: 560px; }
.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 6px; font-weight: 500; }
.form .check { display: flex; align-items: center; gap: 8px; font-weight: 400; }
input, select { font: inherit; color: var(--ink); background: var(--surface); border: 1.5px solid var(--line); border-radius: var(--radius-sm); min-height: 42px; padding: 0 10px; }
input[type="checkbox"] { min-height: 0; width: 20px; height: 20px; accent-color: var(--ink); }
input:disabled { opacity: .45; }
.narrow-field { max-width: 420px; }
.err { color: var(--stop); font-weight: 500; }
.ok { color: var(--go); font-weight: 500; }
.form-actions { position: sticky; bottom: 0; padding: 12px 0; background: linear-gradient(transparent, var(--paper) 30%); }

.days { display: grid; gap: 10px; }
.day { border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius-sm); padding: 12px 14px; margin: 0;
  display: grid; grid-template-columns: 2.2em minmax(0, 1fr); gap: 8px 12px; align-items: start; min-width: 0; }
.day legend { float: left; font-family: var(--display); font-size: 1.25rem; padding: 0; width: 2.2em; grid-row: span 2; }
.day-ranges input[type="time"] { width: 8.5em; min-width: 0; }
.range { flex-wrap: nowrap; max-width: 100%; }
@media (max-width: 420px) { .day { grid-template-columns: minmax(0, 1fr); } .day legend { grid-row: auto; } .day-ranges input[type="time"] { width: 7.4em; } }
.day.weekend legend { color: var(--stop); }
.day-limit, .day-ranges { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.day-limit input[type="number"] { width: 4.5em; }
.range { display: inline-flex; align-items: center; gap: 4px; }
.copy-tools { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }

.apps { display: grid; gap: 8px; margin-bottom: 10px; }
.app-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.app-row input[name="app_exe"] { flex: 1 1 200px; }
.app-row input[name="app_limit"] { width: 6em; }
.danger-zone { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); }

/* PC */
.enroll { background: var(--surface); border: 2px dashed var(--pencil); border-radius: var(--radius-lg); padding: 20px; margin: 16px 0; max-width: 560px; }
.enroll h2 { margin-top: 0; }
.enroll-code { font-family: var(--display); font-size: clamp(2.5rem, 12vw, 4rem); letter-spacing: .18em; margin: 0 0 8px; color: var(--pencil-ink); }
.pcs { display: grid; gap: 16px; margin-top: 16px; }
.pc { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 18px 20px; }
.pc-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.pc-head h2 { margin: 0; }
.account-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.acct { min-width: 9em; font-weight: 500; }

/* 꼬리말 */
.site-foot { border-top: 1px solid var(--line); background: var(--surface); color: var(--muted); font-size: .8125rem; padding: 24px 0 40px; }
.site-foot p { margin: 4px 0; }
.foot-links { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 10px; font-size: .875rem; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }
.form > .btn, .form > button { justify-self: start; }

/* 화면 기록 */
.filters { display: flex; gap: 6px; flex-wrap: wrap; margin: 10px 0; }
.filters a { padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--surface); text-decoration: none; font-size: .9375rem; }
.filters a[aria-current="true"] { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.shots { list-style: none; padding: 0; display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); }
.shot { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.shot img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: var(--paper); }
.shot p { margin: 0; padding: 8px 12px 10px; overflow-wrap: anywhere; }

/* 통계 — 차트 색은 dataviz 기본 팔레트(검증됨), 라이트/다크 각각 */
.viz-root {
  --chart-surface: var(--surface); --text-primary: var(--ink); --text-secondary: var(--muted); --grid: #e3e8ef; --track: #eef2f6;
  --series-1: #2a78d6; --series-2: #eb6834; --series-3: #1baf7a; --series-4: #eda100; --series-5: #e87ba4;
  --series-6: #008300; --series-7: #4a3aa7; --series-8: #e34948; --series-other: #a7b0bd;
  --seq-100: #cde2fb; --seq-250: #86b6ef; --seq-400: #3987e5; --seq-550: #1c5cab; --seq-700: #0d366b;
}
@media (prefers-color-scheme: dark) {
  .viz-root {
    --grid: #2c3750; --track: #121826;
    --series-1: #3987e5; --series-2: #d95926; --series-3: #199e70; --series-4: #c98500; --series-5: #d55181;
    --series-6: #008300; --series-7: #9085e9; --series-8: #e66767; --series-other: #5b6678;
    --seq-100: #1a2a44; --seq-250: #184f95; --seq-400: #2a78d6; --seq-550: #6da7ec; --seq-700: #b7d3f6;
  }
}
.filter-row { display: flex; gap: 8px 20px; flex-wrap: wrap; justify-content: space-between; }
.tiles { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); margin: 12px 0 20px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; }
.tile p { margin: 0; }
.tile-label { color: var(--muted); font-size: .875rem; }
.tile-value { font-family: var(--display); font-size: 1.75rem; line-height: 1.3; color: var(--ink); }
.tile-value.small { font-size: 1.125rem; overflow-wrap: anywhere; padding: 6px 0; }
.tile-note { color: var(--muted); font-size: .8125rem; }
.trend.up { color: var(--stop); } .trend.down { color: var(--go); }
.charts { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 420px), 1fr)); }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 16px 18px; min-width: 0; }
.panel.wide { grid-column: 1 / -1; }
.panel h2 { margin: 0 0 4px; font-size: 1.125rem; }
.panel-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.panel-head form { margin: 0; }
.chart { width: 100%; height: 260px; }
.chart.tall { height: 300px; }
.chart.short { height: 140px; }
.timeline { width: 100%; height: 52px; margin-top: 10px; overflow: visible; }
.ticks { display: flex; justify-content: space-between; font-size: .75rem; color: var(--muted); margin-top: 2px; }
.legend { list-style: none; padding: 0; margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: .875rem; }
.legend i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.legend i.tri { width: 0; height: 0; border-radius: 0; border: 6px solid transparent; border-bottom: 10px solid var(--text-secondary); border-top: 0; }
.legend span { color: var(--muted); }
.table-view { margin-top: 20px; }
.table-view table { border-collapse: collapse; margin: 10px 0; min-width: min(100%, 420px); font-size: .9375rem; }
.table-view th, .table-view td { text-align: left; padding: 6px 12px; border-bottom: 1px solid var(--line); }

/* 공개 페이지 */
.nav-login { color: var(--ink) !important; font-weight: 600; }
textarea { font: inherit; color: var(--ink); background: var(--surface); border: 1.5px solid var(--line); border-radius: var(--radius-sm); padding: 10px; resize: vertical; }
.eyebrow { margin: 0 0 10px; color: var(--pencil-ink); font-weight: 600; font-size: .9375rem; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 8px; }
.hero { display: grid; gap: 32px; align-items: center; padding: 16px 0 40px; }
.hero h1 { font-size: clamp(2.2rem, 8vw, 3.4rem); line-height: 1.18; margin-bottom: .4em; }
.hero .lead { font-size: 1.125rem; }
.demo { margin: 0; }
.demo .kid { box-shadow: 0 1px 0 var(--line), 0 18px 40px -24px color-mix(in srgb, var(--ink) 45%, transparent); }
.demo .kid-actions .btn { cursor: default; }
.demo figcaption { margin-top: 10px; }
@media (min-width: 880px) { .hero { grid-template-columns: 1.1fr 1fr; gap: 56px; padding: 40px 0 64px; } }
.band { padding: 32px 0; border-top: 1px solid var(--line); }
.band h2 { margin-top: 0; }
.features { display: grid; gap: 0 40px; margin: 0; }
@media (min-width: 720px) { .features { grid-template-columns: 1fr 1fr; } }
.features > div { padding: 18px 0; border-bottom: 1px dashed var(--line); }
.features dt { font-family: var(--display); font-size: 1.25rem; margin-bottom: 4px; }
.features dt::before { content: ""; display: inline-block; width: 10px; height: 10px; border-radius: 50%; background: var(--pencil); margin-right: 10px; vertical-align: 2px; }
.features dd { margin: 0; color: var(--muted); max-width: 52ch; }
.hours-strip { position: relative; height: 14px; background: var(--paper); border: 1px solid var(--line); border-radius: 999px; margin-top: 12px; max-width: 360px; overflow: hidden; }
.hours-strip span { position: absolute; top: 0; bottom: 0; background: var(--pencil); }
.features .ticks { max-width: 360px; }
.steps { list-style: none; counter-reset: step; padding: 0; margin: 12px 0; display: grid; gap: 18px; }
@media (min-width: 880px) { .band .steps { grid-template-columns: repeat(3, 1fr); gap: 32px; } }
.steps li { counter-increment: step; display: grid; grid-template-columns: 2.4rem 1fr; gap: 2px 12px; }
.steps li::before { content: counter(step); grid-row: span 2; font-family: var(--display); font-size: 2.2rem; line-height: 1; color: var(--pencil-ink); }
.steps strong { font-weight: 600; }
.steps span { color: var(--muted); }
.price-line { display: flex; flex-wrap: wrap; gap: 12px 40px; margin: 8px 0 12px; }
.price-line p { margin: 0; display: grid; }
.price { font-family: var(--display); font-size: clamp(2rem, 7vw, 2.6rem); line-height: 1.2; }
.per { color: var(--muted); font-size: .9375rem; }
.note { border-left: 4px solid var(--pencil); background: var(--surface); border-radius: var(--radius-sm); padding: 20px; margin: 24px 0; }
.prose p, .prose li { max-width: 68ch; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li { margin: 6px 0; }
.legal h2 { font-size: 1.1875rem; margin-top: 1.8em; }

/* 결제 */
.license-list { list-style: none; padding: 0; margin: 0 0 8px; }
.license-list li { display: flex; flex-wrap: wrap; gap: 4px 16px; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.buy { max-width: 560px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 20px; }
.buy fieldset { border: 0; padding: 0; margin: 0; display: grid; gap: 8px; min-width: 0; }
.buy legend { font-weight: 600; margin-bottom: 6px; padding: 0; }
.periods { grid-template-columns: 1fr 1fr; }
.period { display: grid !important; gap: 2px; padding: 12px 14px; border: 1.5px solid var(--line); border-radius: var(--radius-sm); cursor: pointer; position: relative; }
.period input { position: absolute; opacity: 0; }
.period:has(input:checked) { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.period:has(input:focus-visible) { outline: 3px solid var(--focus); outline-offset: 2px; }
.period-name { font-family: var(--display); font-size: 1.25rem; }
.period-price { color: var(--muted); font-size: .9375rem; font-weight: 400; }
.period .badge { justify-self: start; }
.total { font-size: 1.125rem; margin: 4px 0; }
.total output { font-family: var(--display); font-size: 1.75rem; margin-left: 6px; }
.order-sheet { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 18px 20px; max-width: 640px; }
.meta { margin: 0 0 12px; display: grid; }
.meta > div { display: grid; grid-template-columns: 7em minmax(0, 1fr); gap: 12px; padding: 8px 0; border-bottom: 1px dashed var(--line); }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; overflow-wrap: anywhere; }
.meta .bank dd strong { display: inline-block; white-space: nowrap; font-family: var(--display); font-size: 1.25rem; letter-spacing: .02em; }
.meta .bank dd { overflow-wrap: normal; }
.table-scroll { overflow-x: auto; margin: 8px 0 16px; }
table.list { border-collapse: collapse; min-width: 100%; font-size: .9375rem; background: var(--surface); }
table.list th, table.list td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--line); vertical-align: top; white-space: nowrap; }
table.list th { color: var(--muted); font-weight: 500; }
details.danger-zone summary { cursor: pointer; color: var(--stop); font-weight: 500; }
details.danger-zone .form { margin-top: 12px; }

/* 관리자 */
.admin-nav { margin-bottom: 16px; }
.admin a.tile { text-decoration: none; }
.admin .tile small { font-size: 1rem; color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 12px 0 20px; }
form.inline { display: inline-flex; gap: 6px; align-items: center; flex-wrap: wrap; margin: 0; }
.search { display: flex; gap: 8px; margin: 8px 0; flex-wrap: wrap; }
.search input { flex: 1 1 220px; max-width: 360px; }
.message { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; margin: 10px 0; max-width: 70ch; overflow-wrap: anywhere; }
.message.reply { border-left: 4px solid var(--go); }