/* Siklus: palet dari pewarna alami (kesumba, daun, kunyit, lembayung) di atas embun hijau-abu. */
:root {
  --embun: #eef2ee;
  --permukaan: #f8faf8;
  --garis: #d3ddd5;
  --tinta: #14292b;
  --tinta-lembut: #4a6362;
  --kesumba: #c8442f;
  --kesumba-muda: #f3d4cc;
  --daun: #4f9a74;
  --daun-muda: #d3e9dd;
  --kunyit: #dca11d;
  --kunyit-muda: #f6e5b5;
  --lembayung: #7a66b3;
  --lembayung-muda: #e1dbf0;
  --fokus: #2b6cb0;
  --bahaya: #a8321f;
  --font-serif: "Charter", "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
  --lebar: 34rem;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --embun: #0f2124;
    --permukaan: #162c30;
    --garis: #2a4448;
    --tinta: #e6eee9;
    --tinta-lembut: #a5bab4;
    --kesumba: #e0674f;
    --kesumba-muda: #4a2620;
    --daun: #6bb892;
    --daun-muda: #1f3f31;
    --kunyit: #e8b83d;
    --kunyit-muda: #4a3b12;
    --lembayung: #a595e0;
    --lembayung-muda: #2f2850;
    --fokus: #7fb4f0;
    --bahaya: #f08a76;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--embun);
  color: var(--tinta);
  font: 1rem/1.55 var(--font-sans);
}
:focus-visible { outline: 3px solid var(--fokus); outline-offset: 2px; }
button, input, select { font: inherit; color: inherit; }
h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; line-height: 1.25; margin: 0; }
p { margin: 0 0 .75rem; }
a { color: inherit; }

.app { min-height: 100dvh; display: flex; flex-direction: column; }
.boot, .loading { padding: 3rem 1rem; text-align: center; color: var(--tinta-lembut); }

/* ---------- kerangka ---------- */
.topbar {
  position: sticky; top: 0; z-index: 5;
  background: var(--embun);
  border-bottom: 1px solid var(--garis);
  padding: calc(.75rem + env(safe-area-inset-top)) 1rem .75rem;
}
.topbar-inner { max-width: var(--lebar); margin: 0 auto; display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.topbar-title { font-size: 1.35rem; }
.topbar-sub { color: var(--tinta-lembut); font-size: .875rem; }
.view { width: 100%; max-width: var(--lebar); margin: 0 auto; padding: 1rem 1rem calc(6rem + env(safe-area-inset-bottom)); flex: 1; }
.view.no-tabs { padding-bottom: 3rem; }

.tabbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 6;
  background: var(--embun); border-top: 1px solid var(--garis);
  padding-bottom: env(safe-area-inset-bottom);
}
.tabbar-inner { max-width: var(--lebar); margin: 0 auto; display: grid; grid-template-columns: repeat(5, 1fr); }
.tab {
  display: flex; flex-direction: column; align-items: center; gap: .15rem;
  padding: .55rem .25rem .5rem; min-height: 3.5rem;
  text-decoration: none; color: var(--tinta-lembut); font-size: .75rem;
  border-top: 3px solid transparent; margin-top: -1px;
}
.tab svg { width: 1.5rem; height: 1.5rem; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.tab[aria-current="page"] { color: var(--tinta); font-weight: 600; border-top-color: var(--tinta); }

/* ---------- blok ---------- */
.block { margin: 0 0 1.75rem; }
.block > h2 { font-size: 1.15rem; margin-bottom: .6rem; }
.lead { font-size: 1.05rem; }
.muted { color: var(--tinta-lembut); }
.small { font-size: .875rem; }
.note { color: var(--tinta-lembut); font-size: .875rem; margin: .25rem 0; }
.note-warn { background: var(--kunyit-muda); border-left: 4px solid var(--kunyit); padding: .6rem .8rem; border-radius: 0 10px 10px 0; margin: .75rem 0; }
.note-info { background: var(--lembayung-muda); border-left: 4px solid var(--lembayung); padding: .6rem .8rem; border-radius: 0 10px 10px 0; margin: .75rem 0; }
.error-box { background: var(--kesumba-muda); border-left: 4px solid var(--kesumba); padding: .7rem .9rem; border-radius: 0 10px 10px 0; margin: 1rem 0; }
.empty { text-align: center; padding: 2rem 1rem; }
.empty h2 { margin-bottom: .5rem; }

/* ---------- tombol & isian ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  min-height: 2.9rem; padding: .55rem 1.2rem; border-radius: 999px;
  border: 1.5px solid var(--tinta); background: transparent; color: var(--tinta);
  cursor: pointer; font-weight: 600; text-decoration: none;
}
.btn:disabled { opacity: .5; cursor: default; }
.btn-primary { background: var(--tinta); color: var(--embun); }
.btn-quiet { border-color: var(--garis); font-weight: 500; }
.btn-danger { border-color: transparent; color: var(--bahaya); font-weight: 500; }
.btn-small { min-height: 2.4rem; padding: .3rem .9rem; font-size: .9rem; }
.btn-row { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: .9rem; }
.btn-block { width: 100%; }

.field { display: block; margin: 0 0 .9rem; }
.field > span { display: block; font-weight: 600; margin-bottom: .25rem; }
.input {
  width: 100%; min-height: 2.9rem; padding: .5rem .75rem; border-radius: 12px;
  border: 1.5px solid var(--garis); background: var(--permukaan);
}
.hint { color: var(--tinta-lembut); font-size: .875rem; margin-top: .25rem; }

.stepper { display: inline-flex; align-items: center; gap: .5rem; }
.stepper-label { min-width: 9rem; font-weight: 600; }
.step-btn {
  width: 3rem; height: 3rem; border-radius: 50%; border: 1.5px solid var(--tinta);
  background: transparent; font-size: 1.5rem; line-height: 1; cursor: pointer;
}
.step-btn:disabled { opacity: .35; cursor: default; }
.step-val { min-width: 2.5rem; text-align: center; font: 600 1.6rem var(--font-serif); }
.stepper-line { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-bottom: .6rem; }

.choice { display: flex; gap: .4rem; margin: 0 0 1rem; padding: .25rem; border: 1.5px solid var(--garis); border-radius: 999px; }
.choice-btn { flex: 1; min-height: 2.5rem; border: 0; border-radius: 999px; background: transparent; cursor: pointer; font-weight: 500; }
.choice-btn[aria-pressed="true"] { background: var(--tinta); color: var(--embun); font-weight: 600; }

/* ---------- daftar & fakta ---------- */
.facts { display: grid; grid-template-columns: auto 1fr; gap: .4rem 1rem; margin: 0; }
.facts dt { color: var(--tinta-lembut); }
.facts dd { margin: 0; font-weight: 600; text-align: right; }
.list { list-style: none; margin: 0; padding: 0; }
.row { display: flex; align-items: center; justify-content: space-between; gap: .75rem; padding: .7rem 0; border-bottom: 1px solid var(--garis); }
.row:last-child { border-bottom: 0; }
.row-main { flex: 1; min-width: 0; }
.row-sub { color: var(--tinta-lembut); font-size: .875rem; }
.row-actions { display: flex; gap: .25rem; flex-shrink: 0; }
.row-button { background: none; border: 0; padding: 0; text-align: left; cursor: pointer; width: 100%; }

.insight { margin-top: .9rem; padding: .7rem .9rem; border-left: 4px solid var(--lembayung); background: var(--lembayung-muda); border-radius: 0 10px 10px 0; }
.insight-title { font-weight: 600; display: block; margin-bottom: .15rem; }

/* ---------- cincin siklus ---------- */
.dial { position: relative; width: min(78vw, 19rem); aspect-ratio: 1; margin: .25rem auto 1rem; }
.dial-svg { display: block; width: 100%; height: 100%; }
.seg { stroke: none; }
.seg.is-future { opacity: .5; }
.seg-haid { fill: var(--kesumba); }
.seg-folikular { fill: var(--daun); }
.seg-subur { fill: var(--kunyit-muda); stroke: var(--kunyit); stroke-width: 1.3; }
.seg-subur.is-future { opacity: .7; }
.seg-puncak { fill: var(--kunyit); }
.seg-ov { fill: var(--kunyit); stroke: var(--tinta); stroke-width: 1.4; }
.seg-luteal { fill: var(--lembayung); }
.seg-none { fill: var(--garis); }
.seg.is-today { stroke: var(--tinta); stroke-width: 2; opacity: 1; }
.dial-today-dot { fill: var(--embun); stroke: var(--tinta); stroke-width: 2; }
.dial-center { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; padding: 22%; }
.dial-label { font-size: .85rem; color: var(--tinta-lembut); }
.dial-day { font: 600 3.2rem/1 var(--font-serif); }
.dial-phase { font: 1.05rem var(--font-serif); margin-top: .15rem; }
@media (prefers-reduced-motion: no-preference) {
  .seg { animation: seg-in .5s both; animation-delay: calc(var(--i, 0) * 24ms); }
  @keyframes seg-in { from { opacity: 0; } }
}

/* ---------- kalender ---------- */
.cal-nav { display: flex; align-items: center; justify-content: space-between; margin-bottom: .6rem; }
.cal-title { font-size: 1.2rem; }
.cal-nav .btn { min-width: 2.9rem; padding: .4rem .8rem; }
.cal-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 3px; }
.cal-head { text-align: center; font-size: .75rem; color: var(--tinta-lembut); padding: .25rem 0; }
.cal-cell {
  position: relative; aspect-ratio: 1 / 1.05; border: 1.5px solid transparent; border-radius: 9px;
  background: var(--permukaan); cursor: pointer; padding: 0;
  display: flex; align-items: flex-start; justify-content: flex-start;
}
.cal-num { padding: .25rem .35rem; font-size: .9rem; line-height: 1; }
.cal-cell.is-out { opacity: .4; }
.cal-cell.is-today { border-color: var(--tinta); font-weight: 700; }
.k-subur { background: var(--kunyit-muda); }
.k-puncak { background: var(--kunyit); color: #14292b; }
.k-ov { background: var(--kunyit); color: #14292b; box-shadow: inset 0 0 0 2.5px var(--tinta); }
.k-haid { background: var(--kesumba); color: #fff; }
.k-haid-prediksi { border: 1.5px dashed var(--kesumba); background: transparent; }
.cal-cell.k-haid-prediksi.is-today, .cal-cell.k-haid.is-today { border-color: var(--tinta); }
.cal-count {
  position: absolute; right: 3px; bottom: 3px; min-width: 1.15rem; height: 1.15rem; padding: 0 .25rem;
  border-radius: 999px; background: var(--lembayung); color: #fff; font-size: .7rem; line-height: 1.15rem; text-align: center;
}
.legend { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem 1rem; padding: 0; margin: .8rem 0 1.5rem; font-size: .8rem; color: var(--tinta-lembut); }
.legend li { display: flex; align-items: center; gap: .4rem; }
.swatch { width: 1.1rem; height: 1.1rem; border-radius: 5px; border: 1.5px solid transparent; background: var(--permukaan); display: inline-block; }
.swatch.has-log { background: var(--lembayung); border-radius: 999px; }
.swatch.k-haid-prediksi { border-color: var(--kesumba); border-style: dashed; background: transparent; }

/* ---------- grafik batang ---------- */
.bars { display: grid; gap: .7rem; }
.bar-row { display: grid; grid-template-columns: 7.5rem 1fr; gap: .6rem; align-items: center; }
.bar-label { font-size: .9rem; }
.bar-track { background: var(--permukaan); border-radius: 8px; height: 1.6rem; overflow: hidden; border: 1px solid var(--garis); }
.bar-fill { height: 100%; width: var(--w, 0%); border-radius: 0 8px 8px 0; background: var(--tinta-lembut); min-width: 2px; }
.bar-fill.bar-menstruasi { background: var(--kesumba); }
.bar-fill.bar-folikular { background: var(--daun); }
.bar-fill.bar-ovulasi { background: var(--kunyit); }
.bar-fill.bar-luteal { background: var(--lembayung); }
.bar-value { grid-column: 2; margin-top: -.45rem; font-size: .8rem; color: var(--tinta-lembut); }
.bar-row.is-top .bar-label { font-weight: 700; }

/* ---------- lembar (dialog) & toast ---------- */
dialog.sheet {
  width: 100%; max-width: var(--lebar); margin: auto auto 0; padding: 0; border: 0;
  border-radius: 22px 22px 0 0; background: var(--embun); color: var(--tinta);
  max-height: 88dvh; overflow: auto;
}
dialog.sheet::backdrop { background: rgba(10, 25, 27, .55); }
@media (prefers-reduced-motion: no-preference) {
  dialog.sheet[open] { animation: sheet-up .22s ease-out; }
  @keyframes sheet-up { from { transform: translateY(12%); opacity: .4; } }
}
.sheet-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1rem .25rem; }
.sheet-title { font-size: 1.15rem; }
.sheet-body { padding: .25rem 1rem calc(1.25rem + env(safe-area-inset-bottom)); }
.sheet-close { background: none; border: 0; font-size: 1.6rem; line-height: 1; cursor: pointer; width: 2.75rem; height: 2.75rem; }
.toast { position: fixed; left: 50%; bottom: calc(5.2rem + env(safe-area-inset-bottom)); transform: translateX(-50%); z-index: 20; width: min(92vw, 30rem); pointer-events: none; }
.toast-msg { background: var(--tinta); color: var(--embun); padding: .7rem 1rem; border-radius: 14px; margin-top: .4rem; box-shadow: 0 6px 20px rgba(0, 0, 0, .25); }
.toast-msg.is-error { background: var(--bahaya); color: #fff; }

/* ---------- masuk ---------- */
.auth { max-width: 24rem; margin: 0 auto; padding: calc(3rem + env(safe-area-inset-top)) 1.25rem 2rem; }
.auth h1 { font-size: 2rem; margin-bottom: .25rem; }
.auth .logo { display: block; width: 4rem; height: 4rem; margin-bottom: 1rem; border-radius: 16px; }

/* ---------- legenda cincin ---------- */
.swatch.s-haid { background: var(--kesumba); }
.swatch.s-folikular { background: var(--daun); }
.swatch.s-subur { background: var(--kunyit-muda); border-color: var(--kunyit); }
.swatch.s-puncak { background: var(--kunyit); }
.swatch.s-luteal { background: var(--lembayung); }
.swatch.s-ov { background: var(--kunyit); border-color: var(--tinta); }
.sheet-facts { margin-bottom: 1rem; }
.link-quiet { font-weight: 600; }
.divider { border: 0; border-top: 1px solid var(--garis); margin: 1.25rem 0; }

.block > h2.public-phase { font-size: 2.4rem; font-weight: 600; margin: 0 0 .5rem; }

.swatch.k-haid { background: var(--kesumba); }
.swatch.k-subur { background: var(--kunyit-muda); border-color: var(--kunyit); }
.swatch.k-puncak { background: var(--kunyit); }
.swatch.k-ov { background: var(--kunyit); box-shadow: inset 0 0 0 2.5px var(--tinta); }
.cal-nav + .cal-grid, .cal-nav + div { margin-top: .25rem; }
.sheet-body h3 { margin: 1.25rem 0 .6rem; font-size: 1.05rem; }