/* ============================================================
   Daily Ledger — stylesheet
   Four appearances: auto, light, dark, night (warm, low light).
   ============================================================ */

/* ------------------------------------------------------- LIGHT (base) */
:root,
[data-theme="light"] {
  --bg: #f5f5f7;
  --text: #1d1d1f;
  --dim: #6e6e73;
  --faint: #8e8e93;
  --line: rgba(0, 0, 0, .09);
  --card: rgba(255, 255, 255, .68);
  --card-brd: rgba(255, 255, 255, .75);
  --field: rgba(120, 120, 128, .10);
  --hover: rgba(120, 120, 128, .07);
  --seg-bg: rgba(120, 120, 128, .12);
  --seg-on: #fff;
  --accent: #0071e3;
  --green: #30a14e;
  --red: #e5484d;
  --shadow: 0 4px 30px rgba(0, 0, 0, .07);
  --navfb: rgba(245, 245, 247, .72);
  --orb: .48;
  --orb-a: #8ec5ff; --orb-a2: #0071e3;
  --orb-b: #ffd9a0; --orb-b2: #ff8a3d;
  --orb-c: #d6c4ff; --orb-c2: #7c5cff;
  --r: 20px;
  color-scheme: light;
}

/* --------------------------------------------------------------- DARK */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]),
  [data-theme="auto"] {
    --bg: #000;
    --text: #f5f5f7;
    --dim: #a1a1a6;
    --faint: #86868b;
    --line: rgba(255, 255, 255, .11);
    --card: rgba(28, 28, 30, .62);
    --card-brd: rgba(255, 255, 255, .09);
    --field: rgba(120, 120, 128, .22);
    --hover: rgba(120, 120, 128, .16);
    --seg-bg: rgba(120, 120, 128, .22);
    --seg-on: rgba(99, 99, 102, .55);
    --accent: #0a84ff;
    --green: #32d74b;
    --red: #ff453a;
    --shadow: 0 4px 30px rgba(0, 0, 0, .5);
    --navfb: rgba(0, 0, 0, .72);
    --orb: .30;
    color-scheme: dark;
  }
}

[data-theme="dark"] {
  --bg: #000;
  --text: #f5f5f7;
  --dim: #a1a1a6;
  --faint: #86868b;
  --line: rgba(255, 255, 255, .11);
  --card: rgba(28, 28, 30, .62);
  --card-brd: rgba(255, 255, 255, .09);
  --field: rgba(120, 120, 128, .22);
  --hover: rgba(120, 120, 128, .16);
  --seg-bg: rgba(120, 120, 128, .22);
  --seg-on: rgba(99, 99, 102, .55);
  --accent: #0a84ff;
  --green: #32d74b;
  --red: #ff453a;
  --shadow: 0 4px 30px rgba(0, 0, 0, .5);
  --navfb: rgba(0, 0, 0, .72);
  --orb: .30;
  color-scheme: dark;
}

/* -------------------------------------------------- NIGHT (warm, dim) */
[data-theme="night"] {
  --bg: #120f0b;
  --text: #efdcc0;
  --dim: #b9a184;
  --faint: #937f66;
  --line: rgba(255, 196, 128, .13);
  --card: rgba(38, 30, 22, .60);
  --card-brd: rgba(255, 196, 128, .10);
  --field: rgba(255, 190, 120, .10);
  --hover: rgba(255, 190, 120, .08);
  --seg-bg: rgba(255, 190, 120, .10);
  --seg-on: rgba(120, 92, 60, .55);
  --accent: #e8a33d;
  --green: #b7bd5c;
  --red: #e2765a;
  --shadow: 0 4px 30px rgba(0, 0, 0, .55);
  --navfb: rgba(18, 15, 11, .78);
  --orb: .16;
  --orb-a: #ffb46a; --orb-a2: #b45a12;
  --orb-b: #ffd08a; --orb-b2: #8a3f0d;
  --orb-c: #e08a4a; --orb-c2: #6b2f0a;
  color-scheme: dark;
}

/* ------------------------------------------------------------- basics */
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.45;
  letter-spacing: -.011em;
  min-height: 100vh;
  transition: background .3s, color .3s;
}

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; padding: 0; }
input, textarea, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

/* ---------------------------------------------------- ambient light */
.orbs { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: var(--orb); transition: opacity .4s; }
.orb-1 { width: 540px; height: 540px; top: -190px; left: -140px;
  background: radial-gradient(circle at 30% 30%, var(--orb-a), var(--orb-a2)); }
.orb-2 { width: 480px; height: 480px; bottom: -170px; right: -120px; opacity: calc(var(--orb) * .8);
  background: radial-gradient(circle at 30% 30%, var(--orb-b), var(--orb-b2)); }
.orb-3 { width: 420px; height: 420px; top: 42%; right: -160px; opacity: calc(var(--orb) * .6);
  background: radial-gradient(circle at 30% 30%, var(--orb-c), var(--orb-c2)); }

/* ------------------------------------------------------------- chrome */
.nav {
  position: sticky; top: 0; z-index: 30;
  background: var(--navfb);
  background: color-mix(in srgb, var(--bg) 74%, transparent);
  backdrop-filter: saturate(180%) blur(22px);
  -webkit-backdrop-filter: saturate(180%) blur(22px);
  border-bottom: 1px solid var(--line);
  padding-top: env(safe-area-inset-top);
}
.nav-in {
  max-width: 760px; margin: 0 auto;
  padding: 12px max(16px, env(safe-area-inset-left)) 10px max(16px, env(safe-area-inset-right));
}
.brand { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.brand h1 { margin: 0; font-size: 21px; font-weight: 600; letter-spacing: -.022em; }
.brand .sub { font-size: 12px; color: var(--faint); }
.brand .right { display: flex; align-items: center; gap: 12px; }
.brand .count { font-size: 13px; color: var(--dim); font-variant-numeric: tabular-nums; }

.seg { display: flex; gap: 2px; background: var(--seg-bg); border-radius: 12px; padding: 3px; }
.seg button {
  flex: 1; min-width: 0; padding: 7px 4px; border-radius: 9px;
  font-size: 13px; font-weight: 500; color: var(--dim);
  transition: background .2s, color .2s;
}
.seg button.on { background: var(--seg-on); color: var(--text); box-shadow: 0 1px 3px rgba(0, 0, 0, .12); }
.seg.stack button { display: flex; flex-direction: column; align-items: center; gap: 3px; padding: 9px 4px; font-size: 12px; }

main {
  max-width: 760px; margin: 0 auto;
  padding: 20px max(16px, env(safe-area-inset-left)) calc(60px + env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-right));
}
.view { animation: rise .38s cubic-bezier(.22, .9, .3, 1); }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* -------------------------------------------------------------- cards */
.card {
  background: var(--card);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  border: 1px solid var(--card-brd);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  margin-bottom: 18px;
  overflow: hidden;
  break-inside: avoid;
}
.card-h {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 15px 20px 11px;
}
.card-h h2 { margin: 0; font-size: 16px; font-weight: 600; letter-spacing: -.018em; }
.card-h .meta { font-size: 13px; color: var(--faint); font-variant-numeric: tabular-nums; text-align: right; }
.pad { padding: 4px 20px 18px; }
.note { font-size: 13px; color: var(--dim); line-height: 1.55; }

.row { display: flex; align-items: center; gap: 13px; padding: 11px 20px; }
.row + .row, .list .row:first-child { border-top: 1px solid var(--line); }
.row.tap { cursor: pointer; transition: background .15s; }
.row.tap:hover { background: var(--hover); }
.row .grow { flex: 1; min-width: 0; }
.row .t { font-size: 15px; }
.row .s { font-size: 12.5px; color: var(--faint); }
.row .t.off { color: var(--faint); text-decoration: line-through; }
.time { width: 46px; flex: none; font-size: 13px; color: var(--faint);
  font-variant-numeric: tabular-nums; letter-spacing: -.01em; }

/* ---------------------------------------------------------- controls */
.chk {
  width: 24px; height: 24px; border-radius: 50%; flex: none;
  border: 1.5px solid var(--faint); display: grid; place-items: center;
  transition: background .18s, border-color .18s, transform .18s;
}
.chk svg { color: #fff; opacity: 0; transform: scale(.5); transition: .18s; }
.chk.on { background: var(--accent); border-color: var(--accent); }
.chk.on svg { opacity: 1; transform: scale(1); }
.chk.sm { width: 21px; height: 21px; }
[data-theme="night"] .chk.on svg { color: #241706; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  padding: 10px 18px; border-radius: 980px;
  font-size: 14px; font-weight: 500; letter-spacing: -.01em;
  background: var(--accent); color: #fff; transition: filter .15s, background .15s;
}
[data-theme="night"] .btn { color: #241706; }
.btn:hover { filter: brightness(1.08); }
.btn:active { filter: brightness(.94); }
.btn.ghost { background: var(--field); color: var(--text); }
.btn.danger { background: var(--red); color: #fff; }
.btn.link { background: none; color: var(--accent); padding: 4px 2px; font-size: 13.5px; }
.btn.wide { width: 100%; }
.btn.icon { padding: 9px; border-radius: 50%; background: var(--field); color: var(--dim); }
.btn.tiny { padding: 5px 10px; font-size: 12.5px; }

.in {
  width: 100%; background: var(--field); border: 1px solid transparent;
  border-radius: 10px; padding: 9px 12px; font-size: 15px;
  transition: border-color .15s, background .15s;
}
.in:focus { outline: none; border-color: var(--accent); background: var(--card); }
.in.num { text-align: right; font-variant-numeric: tabular-nums; }
.in.bare { background: none; border-radius: 8px; padding: 6px 8px; }
.in.bare:focus { background: var(--field); }
textarea.in { resize: vertical; line-height: 1.5; min-height: 74px; }

.iconbtn { color: var(--faint); padding: 6px; border-radius: 8px; display: grid; place-items: center; }
.iconbtn:hover { color: var(--red); background: var(--field); }
.stepper { display: flex; flex-direction: column; color: var(--faint); }
.stepper button { padding: 1px 3px; }
.stepper button:hover { color: var(--text); }

.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  padding: 6px 12px; border-radius: 980px; font-size: 13px; font-weight: 500;
  background: var(--field); color: var(--dim); border: 1px solid transparent; transition: .15s;
}
.chip.on { color: #fff; }

/* ------------------------------------------------------------ numbers */
.big { font-size: 34px; font-weight: 600; letter-spacing: -.028em; font-variant-numeric: tabular-nums; }
.mid { font-size: 20px; font-weight: 600; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.tab { font-variant-numeric: tabular-nums; }
.over { color: var(--red); }
.ok { color: var(--green); }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.stats div { padding: 13px 8px; text-align: center; }
.stats div + div { border-left: 1px solid var(--line); }
.stats .v { font-size: 18px; font-weight: 600; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.stats .k { font-size: 11px; color: var(--faint); margin-top: 1px; }

.bar { height: 7px; border-radius: 980px; background: var(--field); overflow: hidden; }
.bar > i { display: block; height: 100%; border-radius: 980px; background: var(--accent);
  transition: width .4s cubic-bezier(.22, .9, .3, 1); }
.bar.thin { height: 4px; }

.between { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 7px; }
.dot { width: 9px; height: 9px; border-radius: 50%; flex: none; }

/* ------------------------------------------------------------- daynav */
.daynav { display: flex; align-items: center; justify-content: space-between; padding: 16px 14px 14px; }
.daynav .d { text-align: center; }
.daynav .d h2 { margin: 0; font-size: 24px; font-weight: 600; letter-spacing: -.026em; }
.daynav .d button { font-size: 12.5px; color: var(--accent); margin-top: 2px; }
.daynav .d span { font-size: 12.5px; color: var(--faint); margin-top: 2px; display: inline-block; }

/* -------------------------------------------------------------- water */
.drops { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.drops button { color: var(--faint); transition: transform .15s, color .15s; }
.drops button:hover { transform: scale(1.12); }
.drops button.on { color: #4aa3ff; }
[data-theme="night"] .drops button.on { color: #e8a33d; }

/* ----------------------------------------------------------- calendar */
.cal-h { display: grid; grid-template-columns: repeat(7, 1fr); padding: 0 8px 6px; }
.cal-h span { text-align: center; font-size: 11px; color: var(--faint); font-weight: 500; }
.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; padding: 0 8px 14px; }
.cell {
  aspect-ratio: 1 / 1.08; border-radius: 12px; padding: 6px 5px 5px;
  display: flex; flex-direction: column; align-items: stretch; text-align: left;
  background: var(--field); transition: background .15s, transform .15s;
}
.cell:hover { background: var(--hover); transform: translateY(-1px); }
.cell.blank { background: none; pointer-events: none; }
.cell.today { background: var(--accent); }
.cell.today .n, .cell.today .sp { color: #fff; }
[data-theme="night"] .cell.today .n, [data-theme="night"] .cell.today .sp { color: #241706; }
.cell .n { font-size: 12.5px; font-weight: 500; font-variant-numeric: tabular-nums; color: var(--dim); }
.cell .sp { font-size: 10px; color: var(--faint); font-variant-numeric: tabular-nums; margin-top: auto; }
.cell .fl { width: 5px; height: 5px; border-radius: 50%; background: var(--red); }
.cell .cbar { height: 3px; border-radius: 980px; background: rgba(120, 120, 128, .28); margin-top: 3px; overflow: hidden; }
.cell .cbar > i { display: block; height: 100%; background: var(--green); }
.cell.today .cbar { background: rgba(255, 255, 255, .35); }
.cell.today .cbar > i { background: #fff; }
.cell .top { display: flex; align-items: flex-start; justify-content: space-between; }

.legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--faint); padding: 0 20px 16px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }

/* --------------------------------------------------------------- plan */
.edit-row { padding: 10px 16px 10px 20px; }
.edit-row + .edit-row { border-top: 1px solid var(--line); }
.edit-line { display: flex; align-items: center; gap: 8px; }
.meal-line { display: flex; align-items: center; gap: 10px; margin-top: 6px; }
.meal-line label { width: 66px; flex: none; font-size: 12.5px; color: var(--faint); }
.grp { padding: 8px 20px 4px; font-size: 12px; font-weight: 600; color: var(--faint); }
.empty { padding: 26px 20px; text-align: center; color: var(--faint); font-size: 14px; }
.flow { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.pill { background: var(--field); border-radius: 980px; padding: 7px 13px; font-size: 13.5px; font-weight: 500; }
.arrow { color: var(--accent); display: inline-flex; }

.foot { text-align: center; font-size: 12px; color: var(--faint); padding: 6px 0 0; }

/* --------------------------------------------------------- responsive */
@media (min-width: 1000px) {
  .nav-in, main { max-width: 1100px; }
  #view { column-count: 2; column-gap: 20px; }
  .card.span { column-span: all; }
  .card.span .cal { max-width: 620px; margin: 0 auto; }
  .card.span .cal-h { max-width: 620px; margin: 0 auto; }
}
@media (min-width: 1500px) {
  .nav-in, main { max-width: 1400px; }
  #view { column-count: 3; }
}
@media (max-width: 430px) {
  .row { padding: 10px 15px; gap: 11px; }
  .nav .seg { padding: 2px; }
  .nav .seg button { font-size: 11.5px; padding: 7px 1px; letter-spacing: -.02em; }
  .card-h, .pad, .grp, .legend { padding-left: 15px; padding-right: 15px; }
  .edit-row { padding-left: 15px; padding-right: 12px; }
  .big { font-size: 30px; }
  .brand h1 { font-size: 19px; }
  .cat-row { flex-wrap: wrap; }
  .cat-row .in.bare { flex: 1 1 100%; order: -1; }
  .drops { gap: 6px; }
}
@media (max-width: 340px) {
  .cell { padding: 4px 3px; }
  .cell .sp { font-size: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  *, .view { animation: none !important; transition: none !important; }
}

@media print {
  .nav, .orbs, .foot { display: none; }
  .card { break-inside: avoid; box-shadow: none; border: 1px solid #ccc; background: #fff; }
}

/* ------------------------------------------------ same book everywhere */
.syncdot {
  width: 9px; height: 9px; border-radius: 50%; flex: none; padding: 0;
  background: var(--faint); opacity: .4; cursor: pointer;
  transition: background .3s, opacity .3s;
}
.syncdot[data-s="ok"] { background: var(--green); opacity: 1; }
.syncdot[data-s="busy"] { background: var(--accent); opacity: 1; animation: dotpulse 1.1s ease-in-out infinite; }
.syncdot[data-s="waiting"] { background: #f59e0b; opacity: 1; }
.syncdot[data-s="error"] { background: var(--red); opacity: 1; }
@keyframes dotpulse { 50% { opacity: .25; } }

.kv { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; font-size: 14px; }
.kv b { font-weight: 600; }
.btn[disabled] { opacity: .55; pointer-events: none; }