:root {
  --bg: #0f1115;
  --card: #181c24;
  --card-2: #202631;
  --border: #2a3240;
  --text: #e6e9ef;
  --muted: #8b93a5;
  --green: #4ade80;
  --red: #f87171;
  --accent: #38bdf8;
  --radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

body {
  max-width: 520px;
  margin: 0 auto;
  padding-bottom: 76px;
  min-height: 100vh;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--border);
}

header .top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.3px;
}

.month-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 10px;
}

.month-nav button {
  background: var(--card-2);
  border: 1px solid var(--border);
  color: var(--text);
  width: 34px;
  height: 34px;
  border-radius: 10px;
  font-size: 16px;
  cursor: pointer;
}

.month-nav .label {
  font-weight: 600;
  font-size: 15px;
}

button.primary, button.ghost {
  border: none;
  border-radius: 12px;
  padding: 11px 14px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

button.primary { background: var(--accent); color: #062033; }
button.ghost { background: var(--card-2); color: var(--text); border: 1px solid var(--border); }

#installBtn {
  display: none;
  background: var(--card-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
}
#installBtn.show { display: block; }

.summary {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  padding: 14px 16px 4px;
}

.summary .card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
}

.summary .card .lbl { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }
.summary .card .val { font-size: 17px; font-weight: 700; margin-top: 4px; }
.summary .card .val.income { color: var(--green); }
.summary .card .val.expense { color: var(--red); }
.summary .card .val.net { color: var(--accent); }

.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 12px 16px;
}

main { padding: 4px 16px 20px; }

#installHint {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  margin: 12px 0;
  font-size: 13px;
  color: var(--muted);
}

.tab-view { display: none; }
.tab-view.active { display: block; }

.day-group { margin-bottom: 14px; }
.day-group .day-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 12px 2px 6px;
}

.txn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  margin-bottom: 8px;
}

.txn .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.txn .body { flex: 1; min-width: 0; }
.txn .merchant { font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.txn .meta { font-size: 12px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.txn .amount { font-weight: 700; font-size: 14px; flex-shrink: 0; }
.txn .amount.income { color: var(--green); }
.txn .amount.expense { color: var(--red); }
.txn .txn-actions { display: flex; flex-direction: column; gap: 4px; flex-shrink: 0; }
.txn .txn-actions button {
  background: var(--card-2);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 8px;
  cursor: pointer;
}

.empty {
  text-align: center;
  color: var(--muted);
  padding: 40px 16px;
  font-size: 14px;
  line-height: 1.6;
}

.chart-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
}
.chart-card h3 { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 10px; }

.legend { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.legend .row { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.legend .swatch { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }
.legend .name { flex: 1; }
.legend .pct { color: var(--muted); }

.bars { display: flex; align-items: flex-end; gap: 3px; height: 90px; }
.bars .bar { flex: 1; background: var(--accent); border-radius: 3px 3px 0 0; position: relative; }
.bars .bar .tip { display: none; }

.merchant-row { display: flex; justify-content: space-between; font-size: 13px; padding: 5px 0; border-bottom: 1px dashed var(--border); }
.merchant-row:last-child { border-bottom: none; }
.merchant-row .amt { color: var(--muted); }

.trend-bar { display: flex; align-items: center; gap: 6px; margin-bottom: 8px; font-size: 12px; }
.trend-bar .lbl { width: 34px; color: var(--muted); }
.trend-bar .track { flex: 1; background: var(--card-2); border-radius: 4px; height: 14px; position: relative; }
.trend-bar .fill { position: absolute; top: 0; bottom: 0; border-radius: 4px; }
.trend-bar .fill.income { background: var(--green); }
.trend-bar .fill.expense { background: var(--red); }

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 10px;
}

.rule-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  margin-bottom: 10px;
}
.rule-block .head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.rule-block .cat-name { font-weight: 600; font-size: 14px; }
.rule-block .chips { display: flex; flex-wrap: wrap; gap: 6px; }
.rule-block .chip {
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.rule-block .chip button {
  background: none;
  border: none;
  color: var(--red);
  cursor: pointer;
  font-size: 13px;
  line-height: 1;
}
.rule-block .add-kw { display: flex; gap: 6px; margin-top: 8px; }
.rule-block .add-kw input {
  flex: 1;
  background: var(--card-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
}

input[type="text"], input[type="number"], input[type="date"], textarea, select {
  width: 100%;
  background: var(--card-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
}
textarea { resize: vertical; min-height: 70px; }
select option { background: var(--card-2); }

label { font-size: 12px; color: var(--muted); display: block; margin: 12px 0 5px; }

#overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 30;
  align-items: flex-end;
  justify-content: center;
}
#overlay.show { display: flex; }

.modal {
  background: var(--card);
  border-radius: 18px 18px 0 0;
  width: 100%;
  max-width: 520px;
  max-height: 88vh;
  overflow-y: auto;
  padding: 18px;
}

.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.seg button {
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card-2);
  color: var(--muted);
  font-weight: 600;
  cursor: pointer;
}
.seg button.active {
  border-color: var(--accent);
  color: var(--accent);
}

.form-actions { display: flex; gap: 10px; margin-top: 18px; }
.form-actions button { flex: 1; }

#preview {
  display: none;
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
  margin-top: 8px;
  line-height: 1.7;
}
#preview.show { display: block; }
#preview .tag { color: var(--accent); }

nav.bottom {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  max-width: 520px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  background: var(--card);
  border-top: 1px solid var(--border);
  z-index: 20;
}
nav.bottom button {
  background: none;
  border: none;
  color: var(--muted);
  padding: 12px 0;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
nav.bottom button.active { color: var(--accent); }
nav.bottom button svg { width: 22px; height: 22px; }

#toast {
  display: none;
  position: fixed;
  left: 50%;
  bottom: 90px;
  transform: translateX(-50%);
  background: #2b3547;
  color: var(--text);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 13px;
  z-index: 50;
  max-width: 90%;
  text-align: center;
}
#toast.show { display: block; }

#floatDetect {
  display: none;
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 82px;
  max-width: 488px;
  margin: 0 auto;
  background: var(--card-2);
  border: 1px solid var(--accent);
  border-radius: 14px;
  padding: 12px;
  z-index: 25;
  font-size: 13px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
}
#floatDetect.show { display: block; }
#floatDetect .det { color: var(--muted); margin-bottom: 8px; }
#floatDetect .btns { display: flex; gap: 8px; }
#floatDetect .btns button { flex: 1; padding: 8px; border-radius: 8px; border: 1px solid var(--border); background: var(--card); color: var(--text); font-size: 12px; cursor: pointer; }