/* ---------- tokens ---------- */
:root {
  --paper: #ebe6d8;
  --paper-2: #e1dbc9;
  --ink: #1d3328;
  --ink-soft: #506157;
  --rule: rgba(29, 51, 40, 0.26);
  --rule-soft: rgba(29, 51, 40, 0.13);
  --btn-bg: #1d3328;
  --btn-fg: #ebe6d8;
  --focus: #2d4166;
  --danger: #8f3a2a;

  --art-main: #1d3328;
  --art-circle: #a9b79f;
  --art-block: #2d4166;
  --art-hatch: #ebe6d8;
  --art-vein: #ebe6d8;
  --grain: 0.07;

  --serif: 'Cormorant Garamond', 'Shippori Mincho', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --mincho: 'Shippori Mincho', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --sans: 'Zen Kaku Gothic New', 'Hiragino Sans', 'Yu Gothic', 'Meiryo', sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #12221a;
    --paper-2: #1a3024;
    --ink: #ebe6d8;
    --ink-soft: #a9b5a8;
    --rule: rgba(235, 230, 216, 0.3);
    --rule-soft: rgba(235, 230, 216, 0.14);
    --btn-bg: #ebe6d8;
    --btn-fg: #12221a;
    --focus: #a9bff0;
    --danger: #e3917d;

    --art-main: #ebe6d8;
    --art-circle: #2c4d3b;
    --art-block: #3b5588;
    --art-hatch: #12221a;
    --art-vein: #12221a;
    --grain: 0.1;
  }
}

:root[data-theme="dark"] {
  --paper: #12221a;
  --paper-2: #1a3024;
  --ink: #ebe6d8;
  --ink-soft: #a9b5a8;
  --rule: rgba(235, 230, 216, 0.3);
  --rule-soft: rgba(235, 230, 216, 0.14);
  --btn-bg: #ebe6d8;
  --btn-fg: #12221a;
  --focus: #a9bff0;
  --danger: #e3917d;

  --art-main: #ebe6d8;
  --art-circle: #2c4d3b;
  --art-block: #3b5588;
  --art-hatch: #12221a;
  --art-vein: #12221a;
  --grain: 0.1;
}

/* ---------- base ---------- */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 24px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: var(--grain);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 .6 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

.page {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 clamp(20px, 5vw, 56px) calc(48px + env(safe-area-inset-bottom));
}

a { color: inherit; }
button { font-family: inherit; color: inherit; }

.sr {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }

/* ---------- top bar ---------- */
.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: calc(22px + env(safe-area-inset-top)) 0 18px;
}

.wordmark {
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.5rem;
  letter-spacing: 0.16em;
  text-decoration: none;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3.4vw, 30px);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
}

.nav a { text-decoration: none; position: relative; padding: 6px 0; }
.nav a:hover { text-decoration: underline; text-underline-offset: 6px; }

.dot {
  position: absolute;
  top: 2px;
  right: -8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink);
}

.theme-btn {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-right: -8px;
  background: none;
  border: 0;
  cursor: pointer;
}

/* ---------- hero ---------- */
.hero {
  display: grid;
  gap: 28px;
  align-items: center;
  padding: clamp(28px, 6vw, 64px) 0 clamp(36px, 7vw, 76px);
}

.eyebrow {
  margin: 0 0 18px;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.hero h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(3.4rem, 11vw, 6.2rem);
  line-height: 0.98;
  letter-spacing: -0.012em;
}

.hero h1 em { font-style: italic; font-weight: 300; }

.hero-ja {
  margin: 26px 0 0;
  font-family: var(--mincho);
  font-size: 0.98rem;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}

.hero-meta {
  margin: 38px 0 0;
  font-family: var(--serif);
  font-size: 1.05rem;
  font-style: italic;
  letter-spacing: 0.03em;
  font-variant-numeric: lining-nums;
}

.cue {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-decoration: none;
}

.cue svg { transition: transform 0.25s ease; }
.cue:hover svg { transform: translateX(6px); }

.hero-art {
  width: min(64%, 300px);
  justify-self: end;
}

.hero-art svg { display: block; width: 100%; height: auto; overflow: visible; }

.art-main { fill: var(--art-main); }
.art-circle { fill: var(--art-circle); }
.art-block { fill: var(--art-block); }
.art-hatch { stroke: var(--art-hatch); opacity: 0.5; }
.art-vein { stroke: var(--art-vein); opacity: 0.55; }
.art-stem { stroke: var(--art-main); }
.art-orbit { stroke: var(--ink); opacity: 0.5; }

@media (min-width: 880px) {
  .hero { grid-template-columns: 1.08fr 0.92fr; gap: 56px; }
  .hero-art { width: 100%; max-width: 440px; }
}

/* ---------- layout ---------- */
.layout {
  display: grid;
  gap: 64px;
  padding-top: 36px;
  border-top: 1px solid var(--rule);
}

@media (min-width: 940px) {
  .layout { grid-template-columns: 380px 1fr; gap: 72px; }
  .record { position: sticky; top: 28px; align-self: start; }
}

.sec-title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 26px;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 2rem;
  line-height: 1.1;
}

.sec-title span {
  font-family: var(--sans);
  font-style: normal;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--ink-soft);
}

/* ---------- form ---------- */
#entry-form { display: grid; gap: 22px; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  border: 0;
  min-width: 0;
}

.chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 15px;
  border: 1px solid var(--rule);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  user-select: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip:has(input:focus-visible) { outline: 2px solid var(--focus); outline-offset: 3px; }
.chip.is-on { background: var(--btn-bg); color: var(--btn-fg); border-color: var(--btn-bg); }

.glyph { width: 14px; height: 14px; fill: currentColor; flex: none; }

.field { display: grid; gap: 4px; }

.field label {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.field label span {
  margin-left: 0.9em;
  letter-spacing: 0.08em;
  text-transform: none;
}

.field input,
.field textarea {
  width: 100%;
  min-width: 0;
  padding: 8px 0 10px;
  border: 0;
  border-bottom: 1px solid var(--rule);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 1.06rem;
  line-height: 1.6;
}

.field textarea { resize: vertical; min-height: 6.4rem; }
.field input::placeholder,
.field textarea::placeholder { color: var(--ink-soft); opacity: 0.6; }

.field input:focus,
.field textarea:focus { outline: none; border-bottom-color: var(--ink); box-shadow: 0 1px 0 var(--ink); }

.field input[type="date"] { color-scheme: light; font-variant-numeric: tabular-nums; }
:root[data-theme="dark"] .field input[type="date"] { color-scheme: dark; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .field input[type="date"] { color-scheme: dark; }
}

.submit-row { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 20px; margin-top: 4px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 14px 26px;
  border: 1px solid var(--btn-bg);
  background: none;
  font-size: 0.86rem;
  letter-spacing: 0.16em;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.btn small { font-size: 0.7rem; letter-spacing: 0.08em; opacity: 0.7; }

.btn-primary { background: var(--btn-bg); color: var(--btn-fg); }
.btn-primary svg { transition: transform 0.25s ease; }
.btn-primary:hover svg { transform: translateX(6px); }
.btn-line:hover { background: var(--btn-bg); color: var(--btn-fg); }

.status { margin: 0; min-height: 1.4em; font-size: 0.84rem; letter-spacing: 0.04em; color: var(--ink-soft); }
.status.is-error { color: var(--danger); }
.status a { margin-left: 0.8em; }

/* ---------- archive ---------- */
.archive-head { display: grid; gap: 4px; margin-bottom: 8px; }
.archive-head .sec-title { margin-bottom: 14px; }

.filters { display: flex; flex-wrap: wrap; gap: 6px 22px; margin-bottom: 28px; }

.flt {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 0;
  background: none;
  border: 0;
  border-bottom: 1px solid transparent;
  font-size: 0.84rem;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  cursor: pointer;
}

.flt sup { font-size: 0.66rem; letter-spacing: 0; font-variant-numeric: tabular-nums; opacity: 0.85; }
.flt:hover { color: var(--ink); }
.flt[aria-pressed="true"] { color: var(--ink); border-bottom-color: var(--ink); }

.month {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 40px 0 6px;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 1.2rem;
  font-variant-numeric: lining-nums;
}

.month:first-child { margin-top: 0; }
.month::after { content: ""; order: 1; flex: 1; height: 1px; background: var(--rule); }
.month b { order: 2; font-family: var(--sans); font-style: normal; font-weight: 400; font-size: 0.7rem; letter-spacing: 0.12em; color: var(--ink-soft); }

.entry {
  display: grid;
  grid-template-columns: 3.4rem minmax(0, 1fr);
  gap: 0 18px;
  padding: 24px 0;
  border-bottom: 1px solid var(--rule-soft);
}

.e-day {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 2.5rem;
  line-height: 1;
  font-variant-numeric: lining-nums;
}

.e-dow {
  display: block;
  margin-top: 8px;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.e-cat {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
}

.e-title {
  margin: 6px 0 2px;
  font-family: var(--serif);
  font-weight: 500;
  font-size: 1.6rem;
  line-height: 1.3;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

.e-sub { font-size: 0.86rem; letter-spacing: 0.04em; color: var(--ink-soft); }

.e-memo {
  max-width: 62ch;
  margin: 14px 0 0;
  font-size: 0.93rem;
  line-height: 1.9;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.e-actions { display: flex; align-items: center; gap: 16px; margin-top: 14px; min-height: 28px; font-size: 0.78rem; letter-spacing: 0.08em; }

.link-btn {
  padding: 4px 0;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: inherit;
  letter-spacing: inherit;
  cursor: pointer;
}

.link-btn:hover { color: var(--ink); border-bottom-color: var(--ink); }
.link-btn.danger { color: var(--danger); border-bottom-color: currentColor; }
.confirm-text { color: var(--danger); }

.empty { padding: 56px 0 24px; }
.empty p { margin: 0; }
.empty .big { font-family: var(--serif); font-style: italic; font-weight: 300; font-size: 1.9rem; line-height: 1.25; }
.empty .small { margin-top: 12px; font-size: 0.86rem; letter-spacing: 0.06em; color: var(--ink-soft); }

/* ---------- backup ---------- */
.backup { margin-top: 84px; padding-top: 36px; border-top: 1px solid var(--rule); }

.backup-grid { display: grid; gap: 28px; }
.backup-grid p { margin: 0; max-width: 56ch; font-size: 0.92rem; line-height: 1.9; }
.backup-state { margin-top: 14px !important; font-family: var(--serif); font-style: italic; font-size: 1.05rem !important; font-variant-numeric: lining-nums; }
.backup-actions { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 12px; align-content: start; }
.backup-actions .status { flex-basis: 100%; margin-top: 6px; }

.note { max-width: 62ch; margin: 36px 0 0; font-size: 0.8rem; line-height: 1.9; color: var(--ink-soft); }

@media (min-width: 760px) {
  .backup-grid { grid-template-columns: 1fr auto; gap: 56px; }
}

/* ---------- footer ---------- */
.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  margin-top: 72px;
  padding-top: 20px;
  border-top: 1px solid var(--rule-soft);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

.foot span:first-child { font-family: var(--serif); font-size: 1rem; letter-spacing: 0.16em; }

/* ---------- small screens ---------- */
@media (max-width: 480px) {
  .e-day { font-size: 2.1rem; }
  .entry { grid-template-columns: 2.8rem minmax(0, 1fr); gap: 0 14px; }
  .e-title { font-size: 1.45rem; }
  .chip { padding: 9px 13px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}