/* Layout: a drawing-sheet title block (date, weekday, ISO week, save state) heads the page; two writing panels (AM / PM) sit under it; the archive is a ledger of days, weeks, months and years. */
:root {
  --paper: #F2F5F3;
  --surface: #FBFCFB;
  --ink: #16201D;
  --ink-2: #4A5753;
  --line: #CBD4D0;
  --rule: #16201D;
  --accent: #2447C8;
  --accent-ink: #FFFFFF;
  --accent-soft: #E6ECFB;
  --warn: #A24A12;
  --f-sans: "IBM Plex Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0E1513; --surface: #151D1A; --ink: #E6EEEA; --ink-2: #9AA9A3; --line: #2B3733;
    --rule: #5B6B65; --accent: #8FA8FF; --accent-ink: #0E1513; --accent-soft: #1B2547; --warn: #E0955A;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0E1513; --surface: #151D1A; --ink: #E6EEEA; --ink-2: #9AA9A3; --line: #2B3733;
  --rule: #5B6B65; --accent: #8FA8FF; --accent-ink: #0E1513; --accent-soft: #1B2547; --warn: #E0955A;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 16px/1.6 var(--f-sans);
  padding-top: max(20px, env(safe-area-inset-top, 0px));
  padding-bottom: max(56px, env(safe-area-inset-bottom, 0px));
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.app { max-width: 1080px; margin: 0 auto; display: flex; flex-direction: column; gap: 20px; }
.view { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
h1, h2, h3, p, ol { margin: 0; }
h1 { font: 600 26px/1.3 var(--f-sans); text-wrap: balance; }
h2 { font: 600 18px/1.3 var(--f-sans); }
[hidden] { display: none !important; }
a { color: var(--accent); }

.bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-bottom: 1px solid var(--line); padding-bottom: 10px; }
.brand { font: 500 13px/1 var(--f-mono); letter-spacing: .08em; color: var(--ink-2); }
.nav { display: flex; gap: 4px; flex-wrap: wrap; }
.tab { min-height: 44px; padding: 0 18px; border: 0; border-bottom: 3px solid transparent; background: none; color: var(--ink-2); font: 500 16px var(--f-sans); cursor: pointer; }
.tab[aria-selected="true"] { color: var(--ink); border-bottom-color: var(--accent); }

.btn { min-height: 44px; padding: 0 16px; border: 1px solid var(--line); border-radius: 6px; background: var(--surface); color: var(--ink); font: 500 15px var(--f-sans); cursor: pointer; }
.btn:hover { border-color: var(--ink-2); }
.btn.small { min-height: 36px; padding: 0 12px; font-size: 14px; }
.btn.icon { padding: 0; width: 44px; font-size: 20px; line-height: 1; }
.btn.gen { border-color: var(--accent); color: var(--accent); }
.btn.danger { color: var(--warn); border-color: var(--warn); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
:is(.btn, .tab, .seg button, summary, .datebtn, .cal-day, select, input, textarea):focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.banner { border: 1px solid var(--warn); color: var(--warn); background: var(--surface); padding: 10px 14px; font-size: 15px; }

.head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.datenav, .tools, .acts { display: flex; gap: 8px; flex-wrap: wrap; }

/* 표제란 */
.cal-wrap { position: relative; }
.tblock { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.4fr; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.tblock > div { background: var(--surface); padding: 10px 14px; min-width: 0; }
.cell-l { display: block; font: 400 11px/1.2 var(--f-mono); letter-spacing: .08em; color: var(--ink-2); }
.cell-v { display: block; margin-top: 4px; font: 500 20px/1.4 var(--f-mono); font-variant-numeric: tabular-nums; }
.cell-v.sans { font: 500 15px/1.9 var(--f-sans); }
.datebtn { display: block; width: 100%; padding: 0; border: 0; background: none; color: inherit; text-align: left; font: inherit; cursor: pointer; }
.caret { color: var(--accent); font-size: 14px; }
@media (max-width: 640px) {
  .tblock { grid-template-columns: 1fr 1fr; }
  .tblock > div:first-child, .tblock > div:last-child { grid-column: 1 / -1; }
}

/* 달력 */
.cal { position: absolute; z-index: 30; top: calc(100% + 6px); left: 0; width: min(372px, 100%); background: var(--surface); border: 1px solid var(--rule); box-shadow: 0 10px 28px rgba(0, 0, 0, .22); padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.cal-head { display: grid; grid-template-columns: 44px 1fr 1fr 44px; gap: 6px; align-items: center; }
.cal select, .field select, .field input, .field textarea { min-height: 44px; border: 1px solid var(--line); border-radius: 6px; background: var(--paper); color: var(--ink); font: 400 16px var(--f-sans); padding: 0 10px; width: 100%; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 2px; }
.cal-dow { text-align: center; font: 400 12px/2 var(--f-mono); color: var(--ink-2); }
.cal-day { position: relative; min-height: 44px; border: 1px solid transparent; border-radius: 4px; background: none; color: var(--ink); font: 500 15px var(--f-mono); cursor: pointer; padding: 0 0 6px; }
.cal-day.adj { color: var(--ink-2); opacity: .5; }
.cal-day.today { border-color: var(--ink-2); }
.cal-day.sel { background: var(--ink); color: var(--paper); opacity: 1; }
.cal-day:disabled { opacity: .28; cursor: not-allowed; }
.cal-day:not(:disabled):not(.sel):hover { background: var(--accent-soft); }
.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); vertical-align: middle; margin: 0 4px 0 8px; }
.dot:first-child { margin-left: 0; }
.dot.leave { background: var(--warn); }
.dot.off { background: var(--ink-2); }
.dot.none { background: none; border: 1.5px solid var(--ink-2); }
.cal-day .dot { position: absolute; bottom: 5px; left: calc(50% - 3.5px); margin: 0; }
.cal-day.sel .dot { box-shadow: 0 0 0 1.5px var(--paper); }
.cal-foot { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.legend { font-size: 12px; color: var(--ink-2); }

/* 하루 분류 */
.statusrow { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.seg { display: inline-flex; border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; align-self: flex-start; max-width: 100%; flex-wrap: wrap; }
.seg button { min-height: 44px; padding: 0 20px; border: 0; border-left: 1px solid var(--line); background: var(--surface); color: var(--ink); font: 500 15px var(--f-sans); cursor: pointer; }
.seg button:first-child { border-left: 0; }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.hint { color: var(--ink-2); font-size: 14px; max-width: 72ch; }
.hint.auto { color: var(--warn); }

/* 입력 */
.panels { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 820px) { .panels { grid-template-columns: 1fr; } }
.panel { background: var(--surface); border: 1px solid var(--line); display: flex; flex-direction: column; min-width: 0; }
.panel:focus-within { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.panel header { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.range { font: 400 12px var(--f-mono); color: var(--ink-2); letter-spacing: .04em; }
textarea.entry { display: block; width: 100%; min-height: 280px; resize: vertical; border: 0; outline: none; background: transparent; color: var(--ink); font: 400 18px/1.75 var(--f-sans); padding: 14px 16px; }
textarea.entry::placeholder { color: var(--ink-2); opacity: .7; }

/* 아카이브 */
.list { display: flex; flex-direction: column; gap: 12px; max-width: 820px; }
.card { background: var(--surface); border: 1px solid var(--line); padding: 16px; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; }
.card h3 { font: 600 18px/1.3 var(--f-sans); }
.sub { font: 400 12px/1.6 var(--f-mono); color: var(--ink-2); letter-spacing: .04em; }
.tag { font: 500 12px/1.9 var(--f-mono); color: var(--accent); letter-spacing: .04em; white-space: nowrap; }
.entry-row { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: 8px; }
.txt { white-space: pre-wrap; overflow-wrap: anywhere; }
.dim { color: var(--ink-2); }
details summary { cursor: pointer; font-size: 14px; color: var(--ink-2); min-height: 32px; display: flex; align-items: center; }
.raw { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 8px; padding: 8px 0; border-top: 1px solid var(--line); font-size: 15px; }
.out { border: 1px solid var(--accent); background: var(--accent-soft); padding: 12px 14px; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.out.err { border-color: var(--warn); background: var(--surface); }
.out-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.pill { font: 500 12px/1 var(--f-mono); color: var(--warn); border: 1px solid var(--warn); padding: 4px 8px; border-radius: 99px; white-space: nowrap; }
.pill.st { color: var(--ink-2); border-color: var(--ink-2); }
.empty { border: 1px dashed var(--ink-2); padding: 28px 20px; display: flex; flex-direction: column; gap: 12px; align-items: flex-start; max-width: 820px; }

/* 설정 */
#v-set .card { max-width: 720px; }
.steps { padding-left: 20px; display: flex; flex-direction: column; gap: 6px; font-size: 15px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field > label { font: 500 13px var(--f-sans); color: var(--ink-2); }
.field .row { display: flex; gap: 8px; }
.field .row input { flex: 1; min-width: 0; }
.field textarea { padding: 10px; line-height: 1.6; resize: vertical; }
form { display: flex; flex-direction: column; gap: 14px; }

.toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(16px + env(safe-area-inset-bottom, 0px)); background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 6px; font-size: 15px; max-width: calc(100% - 32px); z-index: 40; }
@media (prefers-reduced-motion: no-preference) { .tab, .btn { transition: border-color .12s, color .12s; } }