:root {
  --bg: #f5f6fb;
  --card: #ffffff;
  --card-2: #f8fafc;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e5e7eb;
  --accent: #4f46e5;
  --accent-soft: #eef2ff;
  --good: #16a34a;
  --bad: #dc2626;
  --warn: #d97706;
  --shadow: 0 1px 2px rgb(15 23 42 / 0.04), 0 4px 16px rgb(15 23 42 / 0.06);
  --radius: 18px;
  --nav-h: 64px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0e17;
    --card: #121826;
    --card-2: #0f1522;
    --text: #e6e9f0;
    --muted: #8b95a8;
    --border: #1f2937;
    --accent: #818cf8;
    --accent-soft: #1e1b4b;
    --good: #4ade80;
    --bad: #f87171;
    --warn: #fbbf24;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.3), 0 4px 16px rgb(0 0 0 / 0.25);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.num { font-variant-numeric: tabular-nums; }
.good { color: var(--good); }
.bad { color: var(--bad); }
a { color: var(--accent); text-decoration: none; }
h1, h2, h3 { margin: 0; letter-spacing: -0.01em; }
h1 { font-size: 24px; }
h2 { font-size: 17px; }
h3 { font-size: 15px; }
button, input, select, textarea { font: inherit; color: inherit; }

/* ---------- buttons & inputs ---------- */
.btn {
  border: 1px solid var(--border); background: var(--card); border-radius: 12px; padding: 9px 14px;
  cursor: pointer; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
}
.btn:active { transform: scale(0.98); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--bad); }
.btn.block { width: 100%; justify-content: center; padding: 12px; }
.btn.sm { padding: 6px 10px; font-size: 13px; border-radius: 10px; }
.btn:disabled { opacity: 0.55; cursor: default; }
.ghost { background: none; border: 0; cursor: pointer; padding: 6px; border-radius: 10px; }
.icon-btn { background: var(--card); border: 1px solid var(--border); border-radius: 12px; width: 38px; height: 38px; cursor: pointer; font-size: 17px; display: grid; place-items: center; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field > span { font-size: 13px; color: var(--muted); font-weight: 600; }
input[type="text"], input[type="password"], input[type="number"], input[type="date"], input[type="search"], select, textarea {
  width: 100%; border: 1px solid var(--border); background: var(--card-2); border-radius: 12px; padding: 11px 12px; outline: none;
  -webkit-appearance: none; appearance: none; min-height: 44px;
}
select { background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 32px; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
textarea { min-height: 70px; resize: vertical; }
.row { display: flex; gap: 10px; align-items: center; }
.row > * { flex: 1; }
.switch { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 0; }
.switch input { width: 46px; height: 28px; appearance: none; -webkit-appearance: none; background: var(--border); border-radius: 99px; position: relative; cursor: pointer; transition: background .2s; flex: none; }
.switch input::after { content: ""; position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%; background: #fff; transition: left .2s; box-shadow: 0 1px 3px rgb(0 0 0 / .3); }
.switch input:checked { background: var(--accent); }
.switch input:checked::after { left: 21px; }

/* ---------- login ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(1200px 600px at 20% -10%, var(--accent-soft), transparent), var(--bg); }
.login-card { width: 100%; max-width: 380px; background: var(--card); border-radius: 24px; padding: 32px 26px; box-shadow: var(--shadow); text-align: center; }
.login-card .field { text-align: left; }
.login-logo { font-size: 44px; margin-bottom: 6px; }
.login-card h1 { margin-bottom: 4px; }
.login-card p.muted { margin: 0 0 22px; }
.pw { position: relative; }
.pw input { padding-right: 46px; }
.pw button { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); }
.error { color: var(--bad); min-height: 20px; margin: 0 0 10px; font-size: 14px; }

/* ---------- layout ---------- */
.app { min-height: 100vh; }
.view { padding: calc(14px + var(--safe-t)) 14px calc(var(--nav-h) + 24px + var(--safe-b)); max-width: 1280px; margin: 0 auto; outline: none; }
.sidebar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30; height: calc(var(--nav-h) + var(--safe-b)); padding-bottom: var(--safe-b);
  background: color-mix(in srgb, var(--card) 88%, transparent); backdrop-filter: saturate(180%) blur(16px); -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-top: 1px solid var(--border); display: flex; justify-content: space-around; align-items: stretch;
}
.sidebar .brand { display: none; }
.sidebar a { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: var(--muted); font-size: 11px; font-weight: 600; }
.sidebar a i { font-style: normal; font-size: 21px; filter: grayscale(1); opacity: .75; transition: .15s; }
.sidebar a.active { color: var(--accent); }
.sidebar a.active i { filter: none; opacity: 1; transform: translateY(-1px); }
.fab {
  position: fixed; right: 18px; bottom: calc(var(--nav-h) + 18px + var(--safe-b)); z-index: 31; width: 56px; height: 56px; border-radius: 50%;
  border: 0; background: var(--accent); color: #fff; font-size: 28px; line-height: 1; box-shadow: 0 8px 24px rgb(79 70 229 / .4); cursor: pointer;
}
.fab:active { transform: scale(0.95); }

@media (min-width: 900px) {
  .sidebar { top: 0; bottom: 0; right: auto; width: 220px; height: auto; flex-direction: column; justify-content: flex-start; padding: 22px 12px; gap: 4px; border-top: 0; border-right: 1px solid var(--border); }
  .sidebar .brand { display: block; font-weight: 800; font-size: 19px; padding: 4px 12px 18px; }
  .sidebar a { flex: none; flex-direction: row; justify-content: flex-start; gap: 12px; padding: 11px 12px; border-radius: 12px; font-size: 14.5px; }
  .sidebar a i { font-size: 18px; }
  .sidebar a.active { background: var(--accent-soft); }
  .view { margin-left: 220px; padding: 28px 32px 48px; }
  .fab { bottom: 32px; right: 32px; }
}

/* ---------- page header & period controls ---------- */
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 4px 0 14px; flex-wrap: wrap; }
.page-head h1 { font-size: 26px; }
.seg { display: inline-flex; background: var(--card); border: 1px solid var(--border); border-radius: 13px; padding: 3px; gap: 2px; width: 100%; }
.seg button { flex: 1; border: 0; background: none; padding: 8px 10px; border-radius: 10px; font-weight: 600; cursor: pointer; color: var(--muted); }
.seg button.on { background: var(--accent); color: #fff; box-shadow: 0 2px 6px rgb(79 70 229 / .3); }
.datenav { display: flex; align-items: center; gap: 8px; margin: 12px 0 16px; }
.datenav .label { flex: 1; text-align: center; font-weight: 700; font-size: 17px; position: relative; cursor: pointer; }
.datenav .label small { display: block; font-weight: 500; font-size: 12px; color: var(--muted); }
.datenav input[type="date"] { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
@media (min-width: 900px) {
  .controls { display: flex; align-items: center; gap: 16px; }
  .controls .seg { width: 360px; }
  .controls .datenav { flex: 1; margin: 0; }
  .controls { margin-bottom: 20px; }
}

/* ---------- cards & grids ---------- */
.grid { display: grid; gap: 12px; grid-template-columns: repeat(12, 1fr); }
.grid > * { grid-column: span 12; min-width: 0; }
@media (min-width: 700px) { .span-6 { grid-column: span 6 !important; } .span-4 { grid-column: span 6 !important; } }
@media (min-width: 1100px) { .span-4 { grid-column: span 4 !important; } .span-8 { grid-column: span 8 !important; } .span-3 { grid-column: span 3 !important; } }
.card { background: var(--card); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); border: 1px solid color-mix(in srgb, var(--border) 60%, transparent); }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.card-head .muted { font-size: 13px; }
.kpis { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 900px) { .kpis { grid-template-columns: repeat(4, 1fr); } }
.kpi { padding: 14px 16px; }
.kpi .k-label { font-size: 12.5px; color: var(--muted); font-weight: 600; display: flex; align-items: center; gap: 6px; }
.kpi .k-value { font-size: 23px; font-weight: 800; margin-top: 4px; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.kpi .k-sub { font-size: 12.5px; margin-top: 2px; color: var(--muted); }
.kpi.hero { grid-column: span 2; background: linear-gradient(135deg, #4f46e5, #7c3aed); color: #fff; border: 0; }
.kpi.hero .k-label, .kpi.hero .k-sub { color: rgb(255 255 255 / .82); }
.kpi.hero .k-value { font-size: 32px; }
@media (min-width: 900px) { .kpi.hero { grid-column: span 2; } }
.delta { display: inline-flex; align-items: center; gap: 3px; font-weight: 700; padding: 1px 7px; border-radius: 99px; font-size: 12px; background: rgb(255 255 255 / .18); }
.chart-box { position: relative; height: 230px; }
.chart-box.tall { height: 280px; }
.chart-box.donut { height: 210px; }
.progress { height: 8px; background: var(--card-2); border-radius: 99px; overflow: hidden; border: 1px solid var(--border); }
.progress > i { display: block; height: 100%; background: var(--accent); border-radius: 99px; }
.progress.over > i { background: var(--bad); }
.progress.warn > i { background: var(--warn); }

/* ---------- lists ---------- */
.list { display: flex; flex-direction: column; }
.item { display: flex; align-items: center; gap: 12px; padding: 11px 2px; border-bottom: 1px solid var(--border); cursor: pointer; min-height: 56px; }
.item:last-child { border-bottom: 0; }
.item .ico { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; font-size: 19px; flex: none; }
.item .main { flex: 1; min-width: 0; }
.item .title { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.item .sub { font-size: 12.5px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.item .amt { text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap; }
.item .amt small { display: block; font-weight: 500; font-size: 12px; color: var(--muted); }
.item.dim { opacity: .55; }
.bar-row { display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; padding: 8px 0; align-items: center; cursor: pointer; }
.bar-row .name { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: flex; gap: 8px; align-items: center; }
.bar-row .val { font-weight: 700; font-variant-numeric: tabular-nums; text-align: right; }
.bar-row .track { grid-column: 1 / -1; height: 7px; background: var(--card-2); border-radius: 99px; overflow: hidden; }
.bar-row .track > i { display: block; height: 100%; border-radius: 99px; }
.bar-row .meta { grid-column: 1 / -1; font-size: 12px; color: var(--muted); display: flex; justify-content: space-between; }
.day-head { display: flex; justify-content: space-between; font-size: 12.5px; font-weight: 700; color: var(--muted); padding: 16px 2px 4px; text-transform: uppercase; letter-spacing: .03em; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 99px; font-size: 11.5px; font-weight: 700; background: var(--card-2); border: 1px solid var(--border); color: var(--muted); }
.badge.accent { background: var(--accent-soft); color: var(--accent); border-color: transparent; }
.badge.bad { background: color-mix(in srgb, var(--bad) 14%, transparent); color: var(--bad); border-color: transparent; }
.badge.good { background: color-mix(in srgb, var(--good) 14%, transparent); color: var(--good); border-color: transparent; }
.empty { text-align: center; color: var(--muted); padding: 28px 10px; }
.empty .big { font-size: 34px; display: block; margin-bottom: 6px; }
.chips { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 2px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip { border: 1px solid var(--border); background: var(--card); border-radius: 99px; padding: 7px 12px; font-weight: 600; font-size: 13px; white-space: nowrap; cursor: pointer; }
.chip.on { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------- heatmap calendar ---------- */
.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.cal .dow { font-size: 11px; text-align: center; color: var(--muted); font-weight: 700; padding-bottom: 2px; }
.cal .d { aspect-ratio: 1; border-radius: 8px; display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: 12px; font-weight: 600; cursor: pointer; background: var(--card-2); position: relative; }
.cal .d small { font-size: 9.5px; font-weight: 600; opacity: .85; }
.cal .d.today { outline: 2px solid var(--accent); outline-offset: -2px; }
.cal .d.blank { background: none; cursor: default; }
.cal .d.has-plan::after { content: ""; position: absolute; top: 4px; right: 4px; width: 6px; height: 6px; border-radius: 50%; background: var(--warn); }
.yheat { display: grid; grid-auto-flow: column; grid-template-rows: repeat(7, 1fr); gap: 3px; overflow-x: auto; padding-bottom: 4px; }
.yheat i { width: 13px; height: 13px; border-radius: 3px; background: var(--card-2); display: block; cursor: pointer; }
.legend-scale { display: flex; align-items: center; gap: 4px; font-size: 11px; color: var(--muted); justify-content: flex-end; margin-top: 8px; }
.legend-scale i { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }

/* ---------- sheet (bottom sheet on mobile, dialog on desktop) ---------- */
.sheet-backdrop { position: fixed; inset: 0; background: rgb(2 6 23 / .45); z-index: 50; animation: fade .18s ease; }
.sheet {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 51; background: var(--card); border-radius: 22px 22px 0 0; max-height: 92vh; overflow: auto;
  padding: 10px 18px calc(22px + var(--safe-b)); animation: up .22s cubic-bezier(.2, .8, .2, 1); box-shadow: 0 -8px 30px rgb(0 0 0 / .15);
}
.sheet .grab { width: 40px; height: 5px; border-radius: 99px; background: var(--border); margin: 0 auto 12px; }
.sheet-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; gap: 8px; }
.sheet-actions { display: flex; gap: 10px; margin-top: 18px; }
.sheet-actions .btn { flex: 1; justify-content: center; padding: 12px; }
@media (min-width: 700px) {
  .sheet { left: 50%; right: auto; bottom: auto; top: 50%; transform: translate(-50%, -50%); width: 520px; border-radius: 22px; max-height: 88vh; animation: pop .18s ease; padding-bottom: 22px; }
  .sheet .grab { display: none; }
}
@keyframes up { from { transform: translateY(100%); } }
@keyframes pop { from { opacity: 0; transform: translate(-50%, -46%); } }
@keyframes fade { from { opacity: 0; } }
.amount-input { font-size: 34px; font-weight: 800; text-align: center; border: 0 !important; background: none !important; box-shadow: none !important; padding: 6px; }
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 8px; }
.cat-grid button { border: 1.5px solid var(--border); background: var(--card-2); border-radius: 14px; padding: 10px 6px; display: flex; flex-direction: column; align-items: center; gap: 4px; font-size: 12px; font-weight: 600; cursor: pointer; text-align: center; line-height: 1.2; }
.cat-grid button span { font-size: 22px; }
.cat-grid button.on { border-color: var(--accent); background: var(--accent-soft); }
.sms { background: var(--card-2); border: 1px dashed var(--border); border-radius: 12px; padding: 10px 12px; font-size: 13px; color: var(--muted); white-space: pre-wrap; word-break: break-word; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 14px; margin: 6px 0 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; text-align: right; font-weight: 600; word-break: break-word; }
.swatches { display: flex; flex-wrap: wrap; gap: 8px; }
.swatches button { width: 30px; height: 30px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; }
.swatches button.on { border-color: var(--text); }
.code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; background: var(--card-2); border: 1px solid var(--border); border-radius: 10px; padding: 8px 10px; word-break: break-all; display: flex; justify-content: space-between; gap: 8px; align-items: center; }

/* ---------- toast & loading ---------- */
.toast { position: fixed; left: 50%; bottom: calc(var(--nav-h) + 90px + var(--safe-b)); transform: translateX(-50%) translateY(20px); background: #0f172a; color: #fff; padding: 11px 18px; border-radius: 14px; font-weight: 600; opacity: 0; pointer-events: none; transition: .25s; z-index: 60; max-width: 90vw; text-align: center; }
.toast.show { opacity: 1; transform: translateX(-50%); }
@media (min-width: 900px) { .toast { bottom: 40px; } }
.skeleton { background: linear-gradient(90deg, var(--card-2), var(--border), var(--card-2)); background-size: 200% 100%; animation: shimmer 1.2s infinite; border-radius: 12px; }
@keyframes shimmer { to { background-position: -200% 0; } }
.spinner { width: 18px; height: 18px; border: 2.5px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; display: inline-block; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }
.section-title { font-size: 13px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; margin: 22px 2px 8px; }
.stack > * + * { margin-top: 12px; }
details.card summary { cursor: pointer; font-weight: 700; list-style: none; display: flex; justify-content: space-between; }
details.card summary::-webkit-details-marker { display: none; }
details.card summary::after { content: "›"; transform: rotate(90deg); transition: .2s; color: var(--muted); }
details.card[open] summary::after { transform: rotate(-90deg); }

/* payee rows: category picker under the name on phones, beside it on wider screens */
.item.payee { flex-wrap: wrap; }
.item.payee select { flex: 1 1 100%; margin-left: 52px; min-height: 38px; padding: 6px 30px 6px 10px; font-size: 13.5px; }
@media (min-width: 700px) { .item.payee { flex-wrap: nowrap; } .item.payee select { flex: 0 0 200px; margin-left: 0; } }