/* Owner ledger — styled after the munshi's red cloth-bound khata with ruled green pages. */
:root {
  --cloth: #7A1E24;        /* ledger binding */
  --cloth-deep: #5C1519;
  --paper: #EEF2EA;        /* green-tinted ledger paper */
  --paper-raised: #F7F9F4;
  --rule: #C9D6CF;         /* blue-green ruling */
  --margin-rule: #D99A9A;  /* the red margin line */
  --ink: #1F2A44;          /* navy ink */
  --ink-soft: #55607A;
  --due: #B3261E;          /* red ink: money owed / problems */
  --good: #2F6B3F;         /* green ink */
  --amber: #A86A00;
  --on-cloth: #F6EFE3;
  --nastaliq: 'Noto Nastaliq Urdu', 'Noto Naskh Arabic', serif;
  --naskh: 'Noto Naskh Arabic', 'Noto Nastaliq Urdu', system-ui, sans-serif;
  --nums: ui-rounded, -apple-system, 'SF Pro Text', system-ui, sans-serif;
  --line: 2.6rem;          /* height of one ruled ledger line */
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --cloth: #5C1519; --cloth-deep: #3E0E11;
    --paper: #151B1A; --paper-raised: #1C2422;
    --rule: #2A3633; --margin-rule: #6B3437;
    --ink: #E3E8E2; --ink-soft: #9AA5A0;
    --due: #F08A80; --good: #8CCB97; --amber: #E2B04A;
    --on-cloth: #F6EFE3;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--naskh);
  font-size: 16px;
  line-height: 1.7;
  min-height: 100dvh;
}
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; border-radius: 4px; }

.num { font-family: var(--nums); font-variant-numeric: tabular-nums; direction: ltr; unicode-bidi: isolate; white-space: nowrap; }
.due { color: var(--due); }
.good { color: var(--good); }
.soft { color: var(--ink-soft); }
.small { font-size: .86rem; }

/* ---------- Binding (top bar) ---------- */
.binding {
  position: sticky; top: 0; z-index: 5;
  background: var(--cloth);
  color: var(--on-cloth);
  padding: calc(env(safe-area-inset-top) + .4rem) 1rem .55rem;
  display: flex; align-items: center; gap: .75rem;
  box-shadow: inset 0 -3px 0 var(--cloth-deep);
}
.binding h1 { margin: 0; font-family: var(--nastaliq); font-weight: 700; font-size: 1.35rem; line-height: 2.4; flex: 1; }
.binding .stamp { font-size: .8rem; opacity: .85; text-align: left; line-height: 1.4; }
.binding .stamp.old { opacity: 1; color: #FFD3CE; font-weight: 700; }
.icon-btn {
  background: transparent; border: 1px solid rgba(246,239,227,.35); color: var(--on-cloth);
  border-radius: 999px; width: 2.4rem; height: 2.4rem; display: grid; place-items: center; flex: none;
}
.icon-btn:active { background: rgba(255,255,255,.1); }
.icon-btn svg { width: 1.2rem; height: 1.2rem; }
.icon-btn.spin svg { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(-360deg); } }

/* ---------- Page = ruled ledger paper ---------- */
main {
  max-width: 44rem; margin: 0 auto;
  padding: .5rem 1rem calc(6rem + env(safe-area-inset-bottom));
}
.page-title { font-family: var(--nastaliq); font-weight: 600; font-size: 1.15rem; margin: 1.4rem 0 .2rem; line-height: 2.3; }
.page-title .soft { font-family: var(--naskh); font-size: .85rem; font-weight: 400; margin-inline-start: .4rem; }

/* The munshi's note: the one expressive element */
.note {
  position: relative;
  margin: .8rem 0 0;
  padding: .3rem 1.1rem .6rem 1rem;
  background:
    linear-gradient(to left, transparent 0 1.1rem, var(--margin-rule) 1.1rem calc(1.1rem + 1.5px), transparent calc(1.1rem + 1.5px)),
    repeating-linear-gradient(to bottom, transparent 0 calc(var(--line) - 1px), var(--rule) calc(var(--line) - 1px) var(--line));
  background-color: var(--paper-raised);
  border-radius: 2px;
}
.note-text { font-family: var(--nastaliq); font-size: 1.05rem; line-height: var(--line); white-space: pre-line; padding-inline-start: 1.1rem; }
.note-text p { margin: 0; }
.note-sign { display: flex; justify-content: space-between; gap: 1rem; font-size: .8rem; color: var(--ink-soft); padding-inline-start: 1.1rem; margin-top: .2rem; }
.note.rules-only .note-text { font-family: var(--naskh); line-height: var(--line); }

/* Ledger lines: label ↔ amount with ruling */
.ledger { margin: 0; padding: 0; list-style: none; }
.ledger > li {
  display: flex; align-items: baseline; gap: .75rem;
  min-height: var(--line);
  padding: .55rem 0 .35rem;
  border-bottom: 1px solid var(--rule);
}
.ledger > li > .label { flex: 1; min-width: 0; }
.ledger > li > .amt { font-size: 1.12rem; font-weight: 600; }
.ledger .sub { display: block; font-size: .8rem; color: var(--ink-soft); line-height: 1.5; }
.ledger .sub.due { color: var(--due); }
.ledger .total { font-weight: 700; border-top: 2px double var(--ink); }
.ledger.big > li > .amt { font-size: 1.35rem; }

/* Alerts: marked in the margin with the ink colour of their weight */
.alerts { list-style: none; margin: 0; padding: 0; }
.alerts li {
  padding: .7rem .9rem .7rem 0;
  border-bottom: 1px solid var(--rule);
  border-inline-start: 4px solid var(--ink-soft);
  padding-inline-start: .8rem;
  margin-top: .35rem;
  background: var(--paper-raised);
}
.alerts li.high { border-inline-start-color: var(--due); }
.alerts li.medium { border-inline-start-color: var(--amber); }
.alerts .t { font-weight: 600; }
.alerts .d { font-size: .88rem; color: var(--ink-soft); margin-top: .15rem; }

/* Businesses on the overview */
.biz-line { cursor: pointer; }
.biz-line .label strong { font-weight: 600; }
.delta { font-size: .8rem; font-family: var(--nums); direction: ltr; unicode-bidi: isolate; }

/* Segmented control & chips */
.seg { display: flex; gap: .4rem; overflow-x: auto; padding: .7rem 0 .3rem; scrollbar-width: none; }
.seg::-webkit-scrollbar { display: none; }
.seg button {
  flex: none; border: 1px solid var(--rule); background: var(--paper-raised);
  border-radius: 999px; padding: .3rem .95rem; font-size: .92rem;
}
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }

.search {
  width: 100%; margin: .4rem 0 .2rem; padding: .6rem .9rem;
  border: 1px solid var(--rule); border-radius: 10px; background: var(--paper-raised);
}

/* Party rows */
.party > li { flex-wrap: wrap; cursor: pointer; }
.party .tags { display: flex; gap: .3rem; flex-wrap: wrap; margin-top: .15rem; }
.tag { font-size: .72rem; border: 1px solid var(--rule); border-radius: 4px; padding: 0 .35rem; color: var(--ink-soft); line-height: 1.6; }
.party .detail { flex-basis: 100%; font-size: .86rem; color: var(--ink-soft); padding: .2rem 0 .3rem; }
.party .detail div { display: flex; justify-content: space-between; gap: 1rem; }

/* Chart */
.chart { margin: .6rem 0 .2rem; }
.chart svg { width: 100%; height: auto; display: block; }
.chart .bar { fill: var(--ink-soft); opacity: .45; }
.chart .bar.last { fill: var(--cloth); opacity: 1; }
.chart .avg { stroke: var(--amber); stroke-dasharray: 4 3; stroke-width: 1.5; }
.chart text { fill: var(--ink-soft); font-size: 10px; font-family: var(--nums); }

/* Machines (loader) */
.machine { padding: .6rem 0; border-bottom: 1px solid var(--rule); }
.machine h3 { margin: 0; font-size: 1rem; font-weight: 600; display: flex; justify-content: space-between; gap: .5rem; }
.machine dl { display: grid; grid-template-columns: repeat(3, 1fr); gap: .1rem .8rem; margin: .4rem 0 0; font-size: .86rem; }
.machine dt { color: var(--ink-soft); }
.machine dd { margin: 0 0 .3rem; font-weight: 600; }

/* Ask (chat) */
.chat { display: flex; flex-direction: column; gap: .6rem; padding: .6rem 0 7rem; }
.msg { max-width: 92%; padding: .6rem .9rem; border-radius: 14px; white-space: pre-line; }
.msg.me { align-self: flex-start; background: var(--ink); color: var(--paper); border-start-start-radius: 4px; }
.msg.bot { align-self: flex-end; background: var(--paper-raised); border: 1px solid var(--rule); border-start-end-radius: 4px; font-family: var(--nastaliq); line-height: 2.4; }
.msg.bot.err { font-family: var(--naskh); color: var(--due); line-height: 1.7; }
.suggest { display: flex; flex-wrap: wrap; gap: .4rem; }
.suggest button { border: 1px dashed var(--ink-soft); background: transparent; border-radius: 999px; padding: .25rem .8rem; font-size: .88rem; }
.composer {
  position: fixed; inset-inline: 0; bottom: calc(4rem + env(safe-area-inset-bottom));
  background: var(--paper); border-top: 1px solid var(--rule);
  padding: .5rem 1rem; display: flex; gap: .5rem; max-width: 44rem; margin: 0 auto;
}
.composer textarea { flex: 1; resize: none; border: 1px solid var(--rule); border-radius: 12px; padding: .55rem .8rem; background: var(--paper-raised); min-height: 2.8rem; max-height: 8rem; }
.mic-btn { border-color: var(--rule); color: var(--ink-soft); }
.mic-btn.recording { border-color: var(--due); color: var(--due); animation: mic-pulse 1.2s ease-in-out infinite; }
@keyframes mic-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }

/* Collapsible combined brief */
.brief-toggle { margin: 1.2rem 0 0; border: 1px solid var(--rule); border-radius: 6px; background: var(--paper-raised); overflow: hidden; }
.brief-toggle > summary { padding: .65rem 1rem; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; }
.brief-toggle > summary::-webkit-details-marker { display: none; }
.brief-toggle > summary::after { content: '＋'; font-size: .85rem; color: var(--ink-soft); font-family: var(--nums); }
.brief-toggle[open] > summary::after { content: '－'; }
.brief-toggle > .note-text { padding: .4rem 1.1rem .9rem; border-top: 1px solid var(--rule); font-family: var(--nastaliq); font-size: 1rem; line-height: var(--line); white-space: pre-line; }
.btn { border: 0; border-radius: 12px; padding: .6rem 1.1rem; background: var(--cloth); color: var(--on-cloth); font-weight: 600; }
.btn:disabled { opacity: .5; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--rule); }

/* Bottom tabs */
.tabs {
  position: fixed; inset-inline: 0; bottom: 0; z-index: 5;
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: var(--paper-raised); border-top: 1px solid var(--rule);
  padding-bottom: env(safe-area-inset-bottom);
}
.tabs button { background: none; border: 0; padding: .45rem 0 .35rem; display: grid; justify-items: center; gap: .05rem; font-size: .78rem; color: var(--ink-soft); }
.tabs button svg { width: 1.35rem; height: 1.35rem; }
.tabs button[aria-current="page"] { color: var(--cloth); font-weight: 700; }
@media (prefers-color-scheme: dark) { .tabs button[aria-current="page"] { color: var(--due); } }

/* Login */
.login { min-height: 100dvh; display: grid; place-items: center; padding: 2rem 1.2rem; background: var(--cloth); color: var(--on-cloth); }
.login form { width: 100%; max-width: 20rem; text-align: center; }
.login h1 { font-family: var(--nastaliq); font-size: 2rem; margin: 0; line-height: 2.6; }
.login p { margin: 0 0 1.6rem; opacity: .85; }
.login input {
  width: 100%; text-align: center; letter-spacing: .5em; font-size: 1.5rem; font-family: var(--nums);
  padding: .7rem; border-radius: 12px; border: 0; background: var(--on-cloth); color: #1F2A44; direction: ltr;
}
.login .btn { width: 100%; margin-top: .8rem; background: var(--on-cloth); color: var(--cloth); }
.login .error { color: #FFD3CE; min-height: 1.7em; margin-top: .6rem; }

.empty { padding: 2rem 0; text-align: center; color: var(--ink-soft); }
.toast { position: fixed; bottom: calc(5rem + env(safe-area-inset-bottom)); inset-inline: 1rem; margin: 0 auto; max-width: 26rem; background: var(--ink); color: var(--paper); padding: .7rem 1rem; border-radius: 12px; text-align: center; z-index: 9; }
details.more summary { cursor: pointer; color: var(--ink-soft); padding: .5rem 0; }

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