:root {
  --bg: #0b0e14;
  --bg-grad: radial-gradient(1200px 600px at 80% -10%, #16203a 0%, transparent 60%),
             radial-gradient(900px 500px at -10% 10%, #16291f 0%, transparent 55%);
  --panel: #12151d;
  --panel-2: #181c26;
  --panel-hover: #1c212d;
  --text: #eef1f6;
  --muted: #8b93a3;
  --faint: #5c6373;
  --accent: #4ade80;
  --accent-2: #38bdf8;
  --accent-soft: rgba(74, 222, 128, 0.12);
  --danger: #f87171;
  --border: #232834;
  --border-soft: #1b202b;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px -12px rgba(0,0,0,.6);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  background-image: var(--bg-grad);
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

header {
  max-width: 1140px;
  margin: 0 auto;
  padding: 32px 32px 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
header h1 {
  margin: 0;
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(92deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  width: fit-content;
}
.tagline { margin: 2px 0 0; color: var(--muted); font-size: 0.92rem; }

main {
  max-width: 1140px;
  margin: 0 auto;
  padding: 28px 32px 72px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

h2 {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 16px;
}

/* Connect screen (household gateway) */
#connect { display: none; }
body.show-connect > header,
body.show-connect > main { display: none; }
body.show-connect #connect {
  display: flex;
  position: fixed;
  inset: 0;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.connect-card {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 28px;
  text-align: center;
}
.connect-brand {
  margin: 0;
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(92deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.connect-tagline { margin: 6px 0 22px; color: var(--muted); font-size: 0.92rem; }
.connect-input { width: 100%; text-align: center; }
.connect-error { color: var(--danger); font-size: 0.85rem; margin: 10px 0 0; }
.connect-btn { width: 100%; justify-content: center; margin-top: 14px; padding: 11px; }
.connect-or {
  display: flex; align-items: center; gap: 10px;
  color: var(--faint); font-size: 0.8rem; margin: 18px 0 4px;
}
.connect-or::before, .connect-or::after {
  content: ""; flex: 1; height: 1px; background: var(--border);
}
#hh-link { width: 100%; font-variant-numeric: tabular-nums; font-size: 0.85rem; }

/* Header actions */
.actions { display: flex; gap: 10px; flex-wrap: wrap; }
.actions button { align-self: auto; }

/* Modals */
.modal {
  width: min(520px, calc(100vw - 32px));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--text);
  padding: 24px;
  box-shadow: 0 24px 60px -20px rgba(0,0,0,.8);
}
.modal::backdrop {
  background: rgba(5, 7, 11, 0.6);
  backdrop-filter: blur(3px);
}
.modal[open] { animation: modal-in .16s ease-out; }
@keyframes modal-in {
  from { opacity: 0; transform: translateY(8px) scale(.98); }
  to   { opacity: 1; transform: none; }
}
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.modal-head h2 { margin: 0; }
.modal-close {
  background: transparent;
  color: var(--muted);
  font-size: 1.3rem;
  line-height: 1;
  padding: 2px 8px;
  box-shadow: none;
}
.modal-close:hover { color: var(--text); background: var(--panel-2); filter: none; }
.modal-foot { display: flex; align-items: center; justify-content: flex-end; gap: 12px; margin-top: 16px; }
.modal-foot .status { margin: 0; margin-right: auto; }

/* Date range bar */
.rangebar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.rangebar select { padding: 8px 12px; min-width: 150px; }
.range-custom { display: inline-flex; align-items: center; gap: 8px; }
.range-custom .dash { color: var(--faint); }
.range-label { color: var(--faint); font-size: 0.82rem; font-variant-numeric: tabular-nums; margin-left: auto; }

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
}
.card {
  position: relative;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  opacity: .7;
}
.card .label {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.card .value {
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 6px;
  font-variant-numeric: tabular-nums;
}
.card .sub { margin-top: 5px; font-size: 0.78rem; color: var(--faint); font-weight: 500; }
.card .delta.up { color: var(--danger); }      /* spending up = bad */
.card .delta.down { color: var(--accent); }     /* spending down = good */

/* Charts */
.charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.chart-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  min-height: 300px;
  box-shadow: var(--shadow);
}

/* Panels */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow);
}
.input-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

form { display: flex; flex-direction: column; gap: 12px; }
label {
  display: flex;
  flex-direction: column;
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--faint);
  gap: 5px;
}
input, textarea, select {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 10px 12px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
textarea { resize: vertical; width: 100%; line-height: 1.6; }
select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  padding-right: 34px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%238b93a3' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 11px;
}
input::placeholder, textarea::placeholder { color: var(--faint); }
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: var(--panel);
}

button {
  background: linear-gradient(180deg, var(--accent), #2fbf6b);
  border: none;
  border-radius: var(--radius-sm);
  color: #06210f;
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  align-self: flex-start;
  transition: transform .08s, filter .15s, box-shadow .15s;
  box-shadow: 0 1px 0 rgba(255,255,255,.08) inset, 0 6px 16px -8px rgba(74,222,128,.5);
}
button:hover { filter: brightness(1.06); }
button:active { transform: translateY(1px); }
button.ghost {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  box-shadow: none;
  font-weight: 500;
}
button.ghost:hover { background: var(--panel-hover); border-color: var(--faint); }

.hint { color: var(--muted); font-size: 0.85rem; margin: 0 0 10px; }
.hint code {
  background: var(--panel-2);
  border: 1px solid var(--border-soft);
  padding: 2px 6px;
  border-radius: 5px;
  font-size: 0.82rem;
}
.status { font-size: 0.85rem; color: var(--accent); margin-left: 10px; }

/* Toolbar */
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.toolbar h2 { margin: 0; }
.toolbar-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.toolbar-actions select { padding: 8px 12px; }

/* Table */
table { width: 100%; border-collapse: collapse; margin-top: 14px; }
th, td { text-align: left; padding: 12px 10px; font-size: 0.92rem; }
thead th {
  color: var(--faint);
  font-weight: 600;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--border);
}
tbody tr { border-bottom: 1px solid var(--border-soft); transition: background .12s; }
tbody tr:hover { background: var(--panel-2); }
tbody tr:last-child { border-bottom: none; }
.num { text-align: right; }
td.num { font-variant-numeric: tabular-nums; font-weight: 600; }

.cat-tag {
  display: inline-block;
  background: var(--accent-soft);
  border: 1px solid transparent;
  color: var(--accent);
  border-radius: 20px;
  padding: 3px 11px;
  font-size: 0.78rem;
  font-weight: 500;
}
select.cat-tag {
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  padding: 3px 11px;
  background-image: none;
}
select.cat-tag:hover { background: rgba(74,222,128,.2); }
select.cat-tag:focus { box-shadow: 0 0 0 3px var(--accent-soft); border-color: transparent; }
select.cat-tag option { background: var(--panel-2); color: var(--text); }

.del-btn {
  background: transparent;
  color: var(--faint);
  padding: 2px 9px;
  font-size: 1.1rem;
  line-height: 1;
  box-shadow: none;
  border-radius: 6px;
}
.del-btn:hover { color: var(--danger); background: rgba(248,113,113,.12); filter: none; }
.empty { color: var(--muted); text-align: center; padding: 28px; font-size: 0.9rem; }

/* Categories */
.cat-form { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.cat-form input { flex: 1 1 180px; }
.cat-form button { align-self: stretch; }
.cat-list { display: flex; flex-wrap: wrap; gap: 10px; }
.cat-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel-2);
  border: 1px solid var(--border-soft);
  border-radius: 30px;
  padding: 6px 8px 6px 12px;
}
.cat-meta { color: var(--muted); font-size: 0.78rem; }
.cat-row .del-btn { padding: 0 7px; }

@media (max-width: 760px) {
  .charts, .input-grid { grid-template-columns: 1fr; }
  main, header { padding-left: 16px; padding-right: 16px; }
}