:root {
  --bg:           #f5f3ee;
  --bg-elevated:  #faf8f3;
  --surface:      #ffffff;
  --ink:          #1d2330;
  --ink-soft:     #4a5160;
  --muted:        #6c7585;
  --line:         #e9e4dc;
  --line-strong:  #d8d0c0;
  --accent:       #2f8f7f;
  --accent-2:     #226b60;
  --accent-soft:  rgba(47, 143, 127, .12);
  --good:         #2f8f7f;
  --warn:         #c46a2f;
  --bad:          #b6453a;
  --shadow:       0 1px 2px rgba(18, 32, 47, 0.04), 0 4px 12px rgba(18, 32, 47, 0.04);
  --track:        #eee9df;
  --badge-bg:     #efeae0;
  --badge-text:   #4a4332;
  --flag-bg:      #fdecdf;
  --diff-bad-bg:  #fbeae7;
  --diff-good-bg: #e6f1ed;
  --chart-grid:   rgba(0, 0, 0, .06);
  --chart-axis:   #8a8f99;
  color-scheme: light;
}

[data-theme="dark"] {
  --bg:           #14161c;
  --bg-elevated:  #1a1d24;
  --surface:      #1d2027;
  --ink:          #ebecee;
  --ink-soft:     #c5c8cf;
  --muted:        #8a8f99;
  --line:         #2a2d35;
  --line-strong:  #3a3d46;
  --accent:       #4ab3a1;
  --accent-2:     #5fc8b5;
  --accent-soft:  rgba(74, 179, 161, .18);
  --good:         #6ec5a7;
  --warn:         #d8a36a;
  --bad:          #d97a6e;
  --shadow:       0 1px 2px rgba(0, 0, 0, .22), 0 6px 18px rgba(0, 0, 0, .28);
  --track:        #2a2d35;
  --badge-bg:     #2a2d35;
  --badge-text:   #c7c1b3;
  --flag-bg:      #3d2c20;
  --diff-bad-bg:  #3a2422;
  --diff-good-bg: #1f3531;
  --chart-grid:   rgba(255, 255, 255, .07);
  --chart-axis:   #8a8f99;
  color-scheme: dark;
}

html, body {
  background: var(--bg);
  color: var(--ink);
  -webkit-tap-highlight-color: transparent;
  transition: background-color .18s ease, color .18s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, Helvetica, Arial, sans-serif;
  font-feature-settings: "tnum" 1, "lnum" 1;
}

.boot-overlay {
  position: fixed; inset: 0;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999;
}

/* ---------- Login ---------- */
.login-wrap {
  min-height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
}
.login-card {
  width: 100%; max-width: 400px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
}
.brand { display: flex; align-items: center; gap: .7rem; }
.brand-emoji { font-size: 2rem; line-height: 1; }
.brand-title { font-weight: 600; font-size: 1.1rem; letter-spacing: -.01em; color: var(--ink); }
.brand-sub   { letter-spacing: 0; }

/* ---------- App shell ---------- */
.app-header {
  position: sticky; top: 0;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  z-index: 10;
  padding: .65rem 0;
}
.app-header .brand-link {
  display: flex; align-items: center; gap: .45rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  padding-left: .5rem;
}
.app-header .brand-link .brand-emoji { font-size: 1.3rem; }
.app-header .brand-link .brand-title { font-size: 1.05rem; }

.app-tabs { display: flex; gap: .25rem; }
.app-tab {
  text-decoration: none;
  color: var(--muted);
  padding: .35rem .85rem;
  border-radius: 999px;
  font-size: .9rem;
  font-weight: 500;
  transition: background-color .12s ease, color .12s ease;
}
.app-tab:hover { color: var(--ink); }
.app-tab.active {
  background: var(--ink);
  color: var(--bg);
}

.icon-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 10px;
  width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color .12s ease, color .12s ease, border-color .12s ease;
}
.icon-btn:hover { background: var(--bg-elevated); color: var(--ink); border-color: var(--line-strong); }

@media (max-width: 480px) {
  .app-tab { padding: .35rem .6rem; font-size: .85rem; }
  .app-header .brand-link .brand-title { display: none; }
  .icon-btn { width: 32px; height: 32px; }
}

.app-main { max-width: 1100px; }

/* ---------- Cards ---------- */
.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
}
.card-title { font-weight: 500; color: var(--muted); }

/* ---------- Stat cards ---------- */
.stat {
  display: flex; flex-direction: column; gap: .15rem;
  padding: .9rem 1rem;
}
.stat-label { font-size: .72rem; color: var(--muted); letter-spacing: .03em; text-transform: uppercase; }
.stat-value { font-size: 1.45rem; font-weight: 600; letter-spacing: -.02em; color: var(--ink); }
.stat-meta  { font-size: .8rem; color: var(--muted); }
@media (min-width: 768px) {
  .stat-value { font-size: 1.7rem; }
}

/* ---------- Donut hero ---------- */
.donut-card .card-body { padding: 1rem 1rem .75rem; }
.donut-wrap {
  position: relative;
  height: 280px;
  display: flex; align-items: center; justify-content: center;
}
.donut-center {
  position: absolute;
  inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  pointer-events: none;
}
.donut-amount {
  font-size: 1.9rem;
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--ink);
  line-height: 1.1;
}
.donut-label  { font-size: .85rem; color: var(--muted); margin-top: .25rem; }
.donut-meta   { font-size: .8rem;  color: var(--muted); margin-top: .1rem; }
.donut-meta.bad  { color: var(--bad); }
.donut-meta.good { color: var(--good); }
@media (min-width: 768px) {
  .donut-amount { font-size: 2.2rem; }
  .donut-wrap   { height: 320px; }
}

.donut-empty {
  height: 280px;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted);
}

/* category list (right of donut) */
.cat-breakdown { display: flex; flex-direction: column; gap: .55rem; }
.cat-row {
  display: grid;
  grid-template-columns: 14px 1fr auto;
  gap: .55rem;
  align-items: center;
  font-size: .92rem;
  color: var(--ink);
}
.cat-swatch {
  width: 14px; height: 14px;
  border-radius: 4px;
}
.cat-label {
  display: flex; align-items: center; gap: .35rem;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  min-width: 0;
}
.cat-label .count { color: var(--muted); font-size: .8rem; }
.cat-amount {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

/* ---------- Top bars (used for merchants) ---------- */
.topbars { display: flex; flex-direction: column; gap: .55rem; }
.topbar-row {
  display: grid; grid-template-columns: 1fr auto; gap: .3rem .8rem;
}
.topbar-label {
  font-size: .9rem;
  display: flex; align-items: center; gap: .4rem;
  min-width: 0;
  color: var(--ink);
}
.topbar-label .topbar-emoji { font-size: 1rem; }
.topbar-label .topbar-name  { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-amount {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  font-size: .9rem;
  color: var(--ink);
}
.topbar-bar {
  grid-column: 1 / -1;
  height: 6px;
  background: var(--track);
  border-radius: 999px;
  overflow: hidden;
}
.topbar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
}
.topbar-fill.income { background: var(--good); }
.empty-line { color: var(--muted); font-size: .9rem; padding: .25rem 0; }

/* ---------- Charts ---------- */
.chart-wrap { position: relative; height: 220px; }
@media (min-width: 768px) {
  .chart-wrap { height: 260px; }
}

/* ---------- Transaction list ---------- */
.tx-list { display: flex; flex-direction: column; gap: .5rem; }
.tx-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: .15rem .8rem;
  padding: .65rem .8rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
  color: var(--ink);
  transition: border-color .12s ease, background-color .12s ease;
}
.tx-card:hover { border-color: var(--line-strong); background: var(--bg-elevated); }
.tx-line-main {
  display: flex; align-items: center; gap: .4rem;
  font-weight: 500;
  min-width: 0;
}
.tx-merchant { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.tx-amount {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 1.05rem;
}
.tx-line-sub {
  font-size: .8rem;
  color: var(--muted);
  grid-column: 1 / -1;
  display: flex; flex-wrap: wrap; gap: .35rem .6rem;
}
.tx-line-sub .badge { font-weight: 400; }
.badge-cat {
  background: var(--badge-bg);
  color: var(--badge-text);
  border-radius: 999px;
  padding: .15rem .55rem;
  font-size: .75rem;
  display: inline-flex; align-items: center; gap: .25rem;
}
.badge-flag {
  background: var(--flag-bg);
  color: var(--warn);
  border-radius: 999px;
  padding: .15rem .55rem;
  font-size: .7rem;
}
.tx-card.flagged { border-left: 3px solid var(--warn); }
.tx-card.income { border-left: 3px solid var(--good); }
.tx-card.income.flagged { border-left-color: var(--warn); }
.badge-income {
  background: var(--diff-good-bg);
  color: var(--good);
  border-radius: 999px;
  padding: .15rem .55rem;
  font-size: .7rem;
}
.badge-expense {
  background: var(--diff-bad-bg);
  color: var(--bad);
  border-radius: 999px;
  padding: .15rem .55rem;
  font-size: .7rem;
}

.diff-pill {
  display: inline-flex;
  align-items: center;
  padding: .1rem .5rem;
  border-radius: 999px;
  background: var(--badge-bg);
  color: var(--muted);
  font-size: .75rem;
  font-variant-numeric: tabular-nums;
}
.diff-pill.bad  { background: var(--diff-bad-bg);  color: var(--bad); }
.diff-pill.good { background: var(--diff-good-bg); color: var(--good); }

/* ---------- Toast ---------- */
.toast-wrap {
  position: fixed; bottom: 1rem; left: 50%; transform: translateX(-50%);
  z-index: 1080;
  display: flex; flex-direction: column; gap: .4rem;
}
.toast-item {
  background: var(--ink);
  color: var(--bg);
  padding: .55rem .9rem;
  border-radius: 10px;
  font-size: .85rem;
  box-shadow: 0 6px 24px rgba(0,0,0,0.18);
  opacity: 0; transform: translateY(8px);
  transition: opacity .15s, transform .15s;
}
.toast-item.show { opacity: 1; transform: translateY(0); }
.toast-item.err { background: var(--bad); color: #fff; }

/* ---------- Bootstrap component tweaks ---------- */
.btn-primary {
  --bs-btn-bg: var(--accent);
  --bs-btn-border-color: var(--accent);
  --bs-btn-hover-bg: var(--accent-2);
  --bs-btn-hover-border-color: var(--accent-2);
  --bs-btn-active-bg: var(--accent-2);
  --bs-btn-active-border-color: var(--accent-2);
  --bs-btn-color: #fff;
  --bs-btn-hover-color: #fff;
}
.btn-outline-secondary {
  --bs-btn-color: var(--ink-soft);
  --bs-btn-border-color: var(--line-strong);
  --bs-btn-hover-bg: var(--bg-elevated);
  --bs-btn-hover-color: var(--ink);
  --bs-btn-hover-border-color: var(--line-strong);
}
.btn-link {
  --bs-btn-color: var(--muted);
  --bs-btn-hover-color: var(--ink);
}

.form-control, .form-select {
  background-color: var(--surface);
  color: var(--ink);
  border-color: var(--line);
}
.form-control:focus, .form-select:focus {
  background-color: var(--surface);
  color: var(--ink);
  border-color: var(--accent);
  box-shadow: 0 0 0 .2rem var(--accent-soft);
}
.form-control::placeholder { color: var(--muted); }
.form-label { color: var(--ink-soft); }

.alert-danger {
  background-color: var(--diff-bad-bg);
  border-color: transparent;
  color: var(--bad);
}

/* Bootstrap modal in dark mode needs surface override */
.modal-content {
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
}
.modal-header, .modal-footer {
  border-color: var(--line);
}
.btn-close { filter: var(--btn-close-filter, none); }
[data-theme="dark"] .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}

a { color: var(--accent); }
a:hover { color: var(--accent-2); }

.text-pos { color: var(--good); }
.text-neg { color: var(--bad); }