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

/* ── CSS Variables ── */
:root {
  --bg: #f5f0e8;
  --surface: #fdfaf4;
  --border: #d4c9b0;
  --text: #1a1612;
  --muted: #7a6e60;
  --accent: #c85a2a;
  --accent-light: #f2e8e0;
  --green: #2a7a4a;
  --green-light: #e0f2e8;
  --red: #c8392a;
  --red-light: #f2e0de;

  /* Category tag colors */
  --tag1:  #e8d5b0; --tag1t: #5a3e10;
  --tag2:  #d0e8d5; --tag2t: #1a4a28;
  --tag3:  #d5d0e8; --tag3t: #2a1a5a;
  --tag4:  #e8d0d0; --tag4t: #5a1a1a;
  --tag5:  #d0e0e8; --tag5t: #1a3a5a;
  --tag6:  #e8e0d0; --tag6t: #4a3a10;
}

/* ── Base ── */
body {
  font-family: 'DM Mono', monospace;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding: 24px 16px;
}

.container {
  max-width: 860px;
  margin: 0 auto;
}

/* ── Header ── */
header {
  margin-bottom: 32px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.logo {
  font-family: 'Fraunces', serif;
  font-size: 2rem;
  font-weight: 600;
  line-height: 1;
}

.logo span { color: var(--accent); }

.header-date {
  font-size: 0.7rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ── Summary Cards ── */
.summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

.card {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
}

.card.income::before  { background: var(--green); }
.card.expense::before { background: var(--red); }
.card.balance::before { background: var(--accent); }

.card-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 6px;
}

.card-value {
  font-family: 'Fraunces', serif;
  font-size: 1.6rem;
  font-weight: 600;
  line-height: 1;
}

.card.income .card-value  { color: var(--green); }
.card.expense .card-value { color: var(--red); }
.card.balance .card-value { color: var(--accent); }

/* ── Form Panel ── */
.form-panel {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 28px;
}

.form-title {
  font-family: 'Fraunces', serif;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full { grid-column: 1 / -1; }

label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}

input,
select {
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: 'DM Mono', monospace;
  font-size: 0.85rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}

input:focus,
select:focus { border-color: var(--accent); }

/* Type toggle */
.type-toggle { display: flex; gap: 8px; }

.type-btn {
  flex: 1;
  padding: 10px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: var(--bg);
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.type-btn.income.active  { background: var(--green-light); border-color: var(--green); color: var(--green); }
.type-btn.expense.active { background: var(--red-light);   border-color: var(--red);   color: var(--red); }

.add-btn {
  width: 100%;
  margin-top: 4px;
  padding: 12px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-family: 'DM Mono', monospace;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  transition: opacity 0.15s;
}

.add-btn:hover { opacity: 0.88; }

/* ── Filter Controls ── */
.controls {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.controls select { width: auto; flex: 1; min-width: 120px; }

.search-box { flex: 2; min-width: 160px; }

.clear-btn {
  padding: 10px 16px;
  background: transparent;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  cursor: pointer;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  white-space: nowrap;
  transition: all 0.15s;
}

.clear-btn:hover { border-color: var(--red); color: var(--red); }

/* ── Transaction List ── */
.list-panel {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 28px;
}

.list-header {
  padding: 16px 20px 12px;
  border-bottom: 1.5px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.list-header-title {
  font-family: 'Fraunces', serif;
  font-size: 1rem;
  font-weight: 600;
}

.count-badge {
  font-size: 0.65rem;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 3px 8px;
  border-radius: 20px;
  color: var(--muted);
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.tx-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
  animation: slideIn 0.2s ease;
}

.tx-item:last-child { border-bottom: none; }
.tx-item:hover { background: var(--bg); }

.tx-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  flex-shrink: 0;
}

.tx-dot.income  { background: var(--green); }
.tx-dot.expense { background: var(--red); }

.tx-info { flex: 1; min-width: 0; }

.tx-desc {
  font-size: 0.85rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tx-meta {
  font-size: 0.68rem;
  color: var(--muted);
  margin-top: 2px;
  display: flex;
  gap: 8px;
  align-items: center;
}

.tx-cat {
  font-size: 0.62rem;
  padding: 2px 7px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.tx-amount {
  font-family: 'Fraunces', serif;
  font-size: 1rem;
  font-weight: 600;
  white-space: nowrap;
}

.tx-amount.income  { color: var(--green); }
.tx-amount.expense { color: var(--red); }

.delete-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--border);
  font-size: 1rem;
  padding: 4px;
  border-radius: 4px;
  transition: color 0.15s;
  line-height: 1;
}

.delete-btn:hover { color: var(--red); }

.empty {
  padding: 48px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

/* ── Chart Panel ── */
.chart-panel {
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 28px;
}

.chart-title {
  font-family: 'Fraunces', serif;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.bar-chart { display: flex; flex-direction: column; gap: 10px; }

.bar-row { display: flex; align-items: center; gap: 12px; }

.bar-label {
  font-size: 0.7rem;
  color: var(--muted);
  width: 80px;
  text-align: right;
  flex-shrink: 0;
}

.bar-track {
  flex: 1;
  height: 20px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.4s cubic-bezier(.4,0,.2,1);
}

.bar-fill.expense { background: var(--red);   opacity: 0.8; }
.bar-fill.income  { background: var(--green); opacity: 0.8; }

.bar-val {
  font-size: 0.72rem;
  color: var(--muted);
  width: 70px;
  flex-shrink: 0;
}

/* ── Category Tag Colors ── */
.cat-food          { background: var(--tag1); color: var(--tag1t); }
.cat-transport     { background: var(--tag2); color: var(--tag2t); }
.cat-shopping      { background: var(--tag3); color: var(--tag3t); }
.cat-health        { background: var(--tag4); color: var(--tag4t); }
.cat-entertainment { background: var(--tag5); color: var(--tag5t); }
.cat-salary        { background: var(--tag2); color: var(--tag2t); }
.cat-freelance     { background: var(--tag1); color: var(--tag1t); }
.cat-investment    { background: var(--tag6); color: var(--tag6t); }
.cat-utilities     { background: var(--tag4); color: var(--tag4t); }
.cat-other         { background: var(--border); color: var(--muted); }

/* ── Responsive ── */
@media (max-width: 520px) {
  .summary        { grid-template-columns: 1fr; }
  .form-grid      { grid-template-columns: 1fr; }
  .form-group.full { grid-column: 1; }
}