/* ==========================================================================
   upkeep — Service Ledger aesthetic
   Palette: cool graph-paper slate + ledger-green ink, stamp-red / amber status.
   Type: Space Grotesk (display), IBM Plex Sans (body), IBM Plex Mono (data).
   Mobile-first; light/dark designed independently (not inverted).
   ========================================================================== */

:root {
  --paper:      #e6ebe8;
  --paper-grid: rgba(31, 61, 49, 0.05);
  --surface:    #fafbfa;
  --surface-2:  #eef2f0;
  --ink:        #1b2321;
  --ink-soft:   #5c6863;
  --ink-faint:  #93a09a;
  --rule:       rgba(27, 35, 33, 0.11);
  --rule-strong:rgba(27, 35, 33, 0.18);

  --ledger:     #2f7d5b;   /* brand / interactive green ink */
  --ledger-ink: #23604a;
  --over:       #c23a2e;   /* overdue stamp red */
  --soon:       #b0731a;   /* due-soon amber */
  --ok:         #2f7d5b;   /* on-track green */

  --shadow-sm: 0 0 0 0.5px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 0 0 0.5px rgba(0,0,0,0.06), 0 6px 20px rgba(0,0,0,0.09);
  --shadow-lg: 0 0 0 0.5px rgba(0,0,0,0.08), 0 12px 40px rgba(0,0,0,0.16);

  --r-card: 8px;
  --r-btn:  6px;
  --r-tag:  4px;

  --font-display: "Space Grotesk", ui-sans-serif, system-ui, sans-serif;
  --font-body: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "SF Mono", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper:      #14181a;
    --paper-grid: rgba(120, 200, 165, 0.045);
    --surface:    #1b2124;
    --surface-2:  #232a2d;
    --ink:        #e5eae7;
    --ink-soft:   #93a29b;
    --ink-faint:  #63706b;
    --rule:       rgba(255, 255, 255, 0.10);
    --rule-strong:rgba(255, 255, 255, 0.16);

    --ledger:     #55b98d;
    --ledger-ink: #6fc7a0;
    --over:       #e56b60;
    --soon:       #e0a94b;
    --ok:         #55b98d;

    --shadow-sm: 0 0 0 0.5px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.4);
    --shadow-md: 0 0 0 0.5px rgba(0,0,0,0.5), 0 6px 20px rgba(0,0,0,0.5);
    --shadow-lg: 0 0 0 0.5px rgba(0,0,0,0.6), 0 12px 40px rgba(0,0,0,0.6);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background-color: var(--paper);
  /* faint engineer's graph-paper grid */
  background-image:
    linear-gradient(var(--paper-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--paper-grid) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 20px;
  color: var(--ink);
}

/* -------------------------------------------------------------- Login ---- */
.login-wrap {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--surface);
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  padding: 28px 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.login-brand { text-align: center; margin-bottom: 6px; }
.login-brand .wordmark { font-size: 30px; display: block; }
.login-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.login-error {
  margin: 0;
  font-size: 13px;
  color: var(--over);
  background: color-mix(in srgb, var(--over) 12%, transparent);
  border-radius: var(--r-btn);
  padding: 8px 10px;
}
.login-hint {
  text-align: center;
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--ink-faint);
}
.login-msg {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-soft);
  text-align: center;
}
.login-back { justify-content: center; }
.login-alt {
  text-align: center;
  font-size: 13px;
  color: var(--ledger);
  text-decoration: none;
  margin-top: 2px;
}
.login-alt:hover { text-decoration: underline; }

/* -------------------------------------------------------------- Fields --- */
.field { display: flex; flex-direction: column; gap: 6px; border: 0; padding: 0; margin: 0; }
.field-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.field input, .field select, .field textarea {
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-btn);
  padding: 11px 12px;
  width: 100%;
  min-height: 44px;
}
.field textarea { min-height: 60px; resize: vertical; line-height: 1.4; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--ledger);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--ledger) 24%, transparent);
}
.field-optional {
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.06em;
  color: var(--ink-faint); text-transform: none; margin-left: 4px;
}
.field-row { display: flex; gap: 12px; }
.field-narrow { flex: 0 0 40%; }
.cadence-input { position: relative; display: flex; align-items: center; }
.cadence-input input { padding-right: 46px; }
.cadence-unit {
  position: absolute; right: 12px;
  font-family: var(--font-mono); font-size: 12px; color: var(--ink-faint);
  pointer-events: none;
}

/* -------------------------------------------------------------- Buttons -- */
.btn-primary {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  color: #fff;
  background: var(--ledger);
  border: 0;
  border-radius: var(--r-btn);
  padding: 12px 16px;
  min-height: 44px;
  cursor: pointer;
  transition: filter .15s ease, transform .05s ease;
}
.btn-primary:hover { filter: brightness(1.06); }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-body); font-size: 13px; font-weight: 500;
  color: var(--ink-soft);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: var(--r-btn);
  padding: 7px 10px;
  min-height: 34px;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.btn-ghost:hover { color: var(--ink); background: var(--surface-2); border-color: var(--rule-strong); }
.btn-ghost.icon-only { padding: 7px; width: 34px; justify-content: center; }
:focus-visible { outline: 2px solid var(--ledger); outline-offset: 2px; }

/* -------------------------------------------------------------- App shell */
.app { max-width: 860px; margin: 0 auto; padding: 0 16px 96px; }

.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 12px 4px;
  margin: 0 -4px 4px;
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid var(--rule);
}
.topbar-left { display: flex; align-items: baseline; gap: 12px; min-width: 0; }
.topbar-sub {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.topbar-sub.attention { color: var(--over); }
.topbar-right { display: flex; align-items: center; gap: 8px; }
.who { font-size: 13px; color: var(--ink-faint); }
.logout-form { margin: 0; }
@media (max-width: 560px) {
  .who { display: none; }
  .topbar-sub { font-size: 11px; }
}

/* -------------------------------------------------------------- Areas ---- */
.areas { margin: 4px -16px 8px; }
.areas-scroll {
  display: flex; gap: 10px;
  padding: 6px 16px 12px;
  scroll-padding-inline: 16px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.areas-scroll::-webkit-scrollbar { height: 6px; }
.areas-scroll::-webkit-scrollbar-thumb { background: var(--rule-strong); border-radius: 3px; }

.area-chip {
  scroll-snap-align: start;
  flex: 0 0 auto;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  width: 78px;
  padding: 10px 6px 8px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 12px;
  cursor: pointer;
  transition: border-color .15s ease, box-shadow .15s ease, transform .05s ease;
}
.area-chip:hover { border-color: var(--rule-strong); }
.area-chip:active { transform: translateY(1px); }
.area-chip.selected {
  border-color: var(--ledger);
  box-shadow: 0 0 0 1px var(--ledger), var(--shadow-sm);
}
.area-chip .gauge { width: 56px; height: 40px; }
.area-chip-name {
  font-size: 11px; font-weight: 500;
  text-align: center; line-height: 1.15;
  color: var(--ink-soft);
  max-width: 100%;
  /* wrap to at most two lines; reserve two lines so gauges stay aligned */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: calc(2 * 1.15em);
  word-break: break-word;
  overflow-wrap: anywhere;
}
.area-chip.selected .area-chip-name { color: var(--ink); }

/* gauge internals (SVG) */
.gauge-track { fill: none; stroke: var(--rule-strong); stroke-linecap: round; }
.gauge-value { fill: none; stroke-linecap: round; transition: stroke-dashoffset .9s cubic-bezier(.2,.7,.2,1); }
.gauge-tick  { stroke: var(--rule-strong); }
.gauge-count { font-family: var(--font-mono); font-weight: 600; fill: var(--ink); }
.gauge-count.zero { fill: var(--ink-faint); }
@media (prefers-reduced-motion: reduce) {
  .gauge-value { transition: none; }
}

/* -------------------------------------------------------------- Ledger --- */
.ledger-wrap {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.ledger-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 16px;
  border-bottom: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
  background: var(--surface-2);
}
.ledger-head .col-status { text-align: right; min-width: 88px; }

.ledger { list-style: none; margin: 0; padding: 0; }

.row {
  border-bottom: 1px solid var(--rule);
  padding: 12px 16px;
  display: grid;
  grid-template-columns: 22px 1fr auto 32px;
  grid-template-areas: "check task status edit";
  gap: 10px;
  align-items: center;
  transition: background .15s ease;
}
.row:last-child { border-bottom: 0; }
.row:hover { background: var(--surface-2); }
.row.done-flash { animation: donePulse .6s ease; }
@keyframes donePulse { 0% { background: color-mix(in srgb, var(--ok) 22%, transparent); } 100% { background: transparent; } }

/* status accent stripe on the left of the check */
.check {
  grid-area: check;
  width: 22px; height: 22px;
  border-radius: 999px;
  border: 2px solid var(--rule-strong);
  background: transparent;
  cursor: pointer;
  position: relative;
  padding: 0;
  transition: border-color .15s ease, background .15s ease;
}
.check::after {
  content: ""; position: absolute; inset: 4px;
  border-radius: 999px; background: transparent;
  transition: background .15s ease;
}
.row.s-overdue .check { border-color: var(--over); }
.row.s-soon .check { border-color: var(--soon); }
.row.s-ok .check { border-color: var(--ok); }
.check:hover::after { background: color-mix(in srgb, var(--ok) 55%, transparent); }

.task-main { grid-area: task; min-width: 0; }
.task-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.task-name {
  font-size: 15px; font-weight: 600; color: var(--ink);
  background: none; border: 0; padding: 0; cursor: pointer; text-align: left;
  font-family: var(--font-body);
}
.task-name:hover { color: var(--ledger); }
.task-meta {
  font-family: var(--font-mono);
  font-size: 11.5px; color: var(--ink-faint);
  margin-top: 3px;
  display: flex; gap: 10px; flex-wrap: wrap;
}
.pri {
  font-family: var(--font-mono);
  font-size: 9.5px; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 2px 6px; border-radius: var(--r-tag); font-weight: 600;
}
.pri-asap { color: var(--over); background: color-mix(in srgb, var(--over) 14%, transparent); }
.pri-normal { color: var(--ink-soft); background: var(--surface-2); }
.pri-whenever { color: var(--ink-faint); background: var(--surface-2); }

/* status readout */
.status { grid-area: status; text-align: right; min-width: 88px; }
.status .days {
  font-family: var(--font-mono);
  font-weight: 600; font-size: 15px;
  line-height: 1;
}
.status .label {
  font-family: var(--font-mono);
  font-size: 9.5px; letter-spacing: 0.08em; text-transform: uppercase;
  display: block; margin-top: 2px;
}
.s-overdue .days, .s-overdue .label { color: var(--over); }
.s-soon .days, .s-soon .label { color: var(--soon); }
.s-ok .days, .s-ok .label { color: var(--ink-soft); }
.stamp {
  display: inline-block;
  font-family: var(--font-display); font-weight: 700;
  font-size: 11px; letter-spacing: 0.06em;
  color: var(--over);
  border: 1.5px solid var(--over);
  border-radius: 4px;
  padding: 2px 5px;
  transform: rotate(-4deg);
  opacity: .9;
}

/* history detail (expanded) */
.row-detail {
  grid-column: 1 / -1;
  grid-area: unset;
  padding: 4px 2px 2px 34px;
  display: none;
}
.row.expanded { grid-template-areas: "check task status edit" "detail detail detail detail"; }

/* per-row edit (pencil) */
.row-edit {
  grid-area: edit;
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--ink-faint);
  background: transparent; border: 0; border-radius: var(--r-btn);
  cursor: pointer;
  transition: color .15s ease, background .15s ease;
}
.row-edit:hover { color: var(--ledger); background: var(--surface-2); }
.row.expanded .row-detail { display: block; }
.detail-title {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: 6px;
}
.timeline { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 5px; }
.timeline li {
  font-family: var(--font-mono); font-size: 12px; color: var(--ink-soft);
  display: flex; gap: 10px; align-items: baseline;
}
.timeline .t-date { color: var(--ink); }
.timeline .t-by { color: var(--ink-faint); }
.timeline .none { color: var(--ink-faint); font-style: italic; }

/* empty state */
.empty-state { padding: 40px 20px; text-align: center; }
.empty-state p { color: var(--ink-soft); margin: 0 0 14px; }

/* -------------------------------------------------------- View toggle --- */
.view-toggle {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  margin: 2px 0 12px;
  background: var(--surface-2);
  border: 1px solid var(--rule);
  border-radius: 9px;
}
.view-toggle .vt {
  font-family: var(--font-body); font-size: 13px; font-weight: 500;
  color: var(--ink-soft);
  background: transparent; border: 0; border-radius: 7px;
  padding: 7px 14px; min-height: 34px; cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.view-toggle .vt.on {
  background: var(--surface); color: var(--ink);
  box-shadow: var(--shadow-sm);
}

/* -------------------------------------------------- Detail actions ------ */
.detail-actions { display: flex; gap: 8px; margin-top: 10px; }
.link-btn {
  font-family: var(--font-body); font-size: 12.5px; font-weight: 500;
  color: var(--ledger); background: transparent;
  border: 1px solid var(--rule-strong); border-radius: var(--r-btn);
  padding: 6px 12px; min-height: 34px; cursor: pointer;
}
.link-btn:hover { background: var(--surface-2); }
.link-btn.danger { color: var(--over); }
.detail-notes {
  font-size: 13px; color: var(--ink-soft); margin: 2px 0 8px;
  white-space: pre-wrap;
}

/* -------------------------------------------------- Recently done ------- */
.recent-list { list-style: none; margin: 0; padding: 0; }
.recent-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px; align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--rule);
}
.recent-row:last-child { border-bottom: 0; }
.recent-main { min-width: 0; }
.recent-task { font-size: 15px; font-weight: 600; color: var(--ink); }
.recent-meta {
  font-family: var(--font-mono); font-size: 11.5px; color: var(--ink-faint);
  margin-top: 3px; display: flex; gap: 10px; flex-wrap: wrap;
}
.recent-meta .t-when { color: var(--ink-soft); }
.recent-undo {
  font-family: var(--font-body); font-size: 13px; font-weight: 500;
  color: var(--ink-soft); background: transparent;
  border: 1px solid var(--rule-strong); border-radius: var(--r-btn);
  padding: 7px 14px; min-height: 38px; cursor: pointer;
  transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.recent-undo:hover { color: var(--over); border-color: var(--over); background: color-mix(in srgb, var(--over) 8%, transparent); }

/* ----------------------------------------------------- Settings --------- */
.sheet-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.sheet-head .sheet-title { margin: 0; }
.settings-section { margin-bottom: 18px; }
.settings-section:last-child { margin-bottom: 0; }
.settings-h {
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--rule);
}
.rem-status { margin: 0 0 10px; font-size: 14px; color: var(--ink-soft); line-height: 1.45; }
.rem-status.on { color: var(--ledger); font-weight: 500; }
.rem-steps { margin: 0 0 4px; padding-left: 20px; font-size: 13.5px; color: var(--ink-soft); line-height: 1.6; }
.rem-steps strong { color: var(--ink); }
.rem-actions { display: flex; gap: 8px; }

/* ----------------------------------------------------- Manage areas ----- */
.area-manage-list { list-style: none; margin: 0 0 12px; padding: 0; max-height: 52vh; overflow-y: auto; }
.area-manage-row {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 8px; align-items: center;
  padding: 6px 0;
  border-bottom: 1px solid var(--rule);
}
.area-reorder { display: flex; flex-direction: column; gap: 1px; }
.area-reorder button {
  width: 24px; height: 18px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--ink-faint); background: transparent;
  border: 1px solid var(--rule); border-radius: 4px; cursor: pointer;
}
.area-reorder button:hover:not(:disabled) { color: var(--ledger); border-color: var(--rule-strong); }
.area-reorder button:disabled { opacity: .3; cursor: default; }
.area-name-input {
  font-family: var(--font-body); font-size: 15px; color: var(--ink);
  background: transparent; border: 1px solid transparent; border-radius: var(--r-btn);
  padding: 8px 8px; min-height: 40px; width: 100%;
}
.area-name-input:hover { border-color: var(--rule); }
.area-name-input:focus { outline: none; border-color: var(--ledger); background: var(--surface); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ledger) 20%, transparent); }
.area-count { font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint); white-space: nowrap; }
.area-del {
  width: 32px; height: 32px; display: inline-flex; align-items: center; justify-content: center;
  color: var(--ink-faint); background: transparent; border: 0; border-radius: var(--r-btn); cursor: pointer;
}
.area-del:hover { color: var(--over); background: color-mix(in srgb, var(--over) 10%, transparent); }
.add-area-row { display: flex; gap: 8px; }
.add-area-row input {
  flex: 1; font-family: var(--font-body); font-size: 15px; color: var(--ink);
  background: var(--surface); border: 1px solid var(--rule-strong); border-radius: var(--r-btn);
  padding: 11px 12px; min-height: 44px;
}
.add-area-row input:focus { outline: none; border-color: var(--ledger); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ledger) 24%, transparent); }

/* -------------------------------------------------------------- Toast ---- */
.toast {
  position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(8px);
  display: flex; align-items: center; gap: 14px;
  background: var(--ink);
  color: var(--paper);
  padding: 12px 14px 12px 16px;
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  font-size: 14px;
  opacity: 0; pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
  z-index: 60;
  max-width: calc(100vw - 32px);
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.toast-undo {
  font-family: var(--font-body); font-weight: 600; font-size: 14px;
  color: var(--ledger-ink);
  background: var(--paper); border: 0; border-radius: 6px;
  padding: 7px 12px; cursor: pointer;
}
@media (prefers-color-scheme: dark) {
  .toast { background: var(--surface-2); color: var(--ink); }
  .toast-undo { color: #fff; background: var(--ledger); }
}

/* -------------------------------------------------------------- Sheet ---- */
.sheet {
  border: 0; border-radius: 16px;
  padding: 22px;
  width: min(440px, calc(100vw - 24px));
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow-lg);
}
.sheet::backdrop { background: rgba(10, 14, 12, 0.45); backdrop-filter: blur(2px); }
.sheet-title { font-family: var(--font-display); font-size: 19px; margin: 0 0 16px; letter-spacing: -0.02em; }
.sheet form { display: flex; flex-direction: column; gap: 14px; }
.sheet-actions { display: flex; align-items: center; gap: 8px; margin-top: 4px; }
.sheet-actions-spacer { flex: 1; }
.btn-danger {
  font-family: var(--font-body); font-weight: 500; font-size: 14px;
  color: var(--over);
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--over) 45%, transparent);
  border-radius: var(--r-btn);
  padding: 10px 14px; min-height: 44px; cursor: pointer;
}
.btn-danger:hover { background: color-mix(in srgb, var(--over) 10%, transparent); }
.seg { display: flex; gap: 0; border: 1px solid var(--rule-strong); border-radius: var(--r-btn); overflow: hidden; }
.seg button {
  flex: 1; font-family: var(--font-body); font-size: 13px; font-weight: 500;
  color: var(--ink-soft); background: var(--surface);
  border: 0; border-right: 1px solid var(--rule); padding: 10px 6px;
  min-height: 42px; cursor: pointer;
}
.seg button:last-child { border-right: 0; }
.seg button.on { background: var(--ledger); color: #fff; }
@media (min-width: 560px) {
  .sheet { animation: sheetIn .18s ease; }
  @keyframes sheetIn { from { opacity: 0; transform: translateY(6px) scale(.98); } to { opacity: 1; } }
}
@media (prefers-reduced-motion: reduce) {
  .toast, .btn-primary, .area-chip, .row { transition: none; }
  .row.done-flash, .sheet { animation: none; }
}