:root {
  --bg: #07090e;
  --panel: #0d1118;
  --panel-b: rgba(255,255,255,0.055);
  --inp: #111720;
  --inp-b: #1d2638;
  --text: #dce3f0;
  --muted: #5a6882;
  --green: #00d9a3;
  --green-d: rgba(0,217,163,0.12);
  --blue: #4a82ff;
  --blue-d: rgba(74,130,255,0.12);
  --purple: #9d70ff;
  --purple-d: rgba(157,112,255,0.12);
  --red: #ff4560;
  --red-d: rgba(255,69,96,0.12);
  --r: 14px;
  --r2: 8px;
  --r3: 6px;
}

*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse 90% 40% at 0% 0%,    rgba(0,217,163,0.06) 0%, transparent 55%),
    radial-gradient(ellipse 70% 50% at 100% 100%, rgba(74,130,255,0.05) 0%, transparent 55%);
}

#app {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px 80px;
}

/* ---- Header ---- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0;
  border-bottom: 1px solid var(--panel-b);
  margin-bottom: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-img {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.brand-name {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
}

.header-total { text-align: right; }

.ht-label {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 2px;
}

.ht-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--green);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

/* ---- Layout ---- */
.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 740px) {
  .layout {
    grid-template-columns: 284px 1fr;
    align-items: start;
  }
}

.sidebar   { display: flex; flex-direction: column; gap: 16px; }
.main-col  { display: flex; flex-direction: column; gap: 16px; }

/* ---- Panel ---- */
.panel {
  background: var(--panel);
  border: 1px solid var(--panel-b);
  border-radius: var(--r);
  padding: 20px;
}

.panel-ttl {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.panel-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.panel-header-row .panel-ttl { margin-bottom: 0; }

/* ---- Stats ---- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

@media (max-width: 480px) {
  .stats-row {
    grid-template-columns: 1fr 1fr;
  }
  .stats-row .stat-card:nth-child(3) {
    grid-column: 1 / -1;
  }
}

.stat-card {
  background: var(--panel);
  border: 1px solid var(--panel-b);
  border-radius: var(--r);
  padding: 14px 16px;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  border-radius: var(--r) var(--r) 0 0;
}

.s-green::before  { background: var(--green);  box-shadow: 0 0 12px rgba(0,217,163,0.6); }
.s-blue::before   { background: var(--blue);   box-shadow: 0 0 12px rgba(74,130,255,0.6); }
.s-purple::before { background: var(--purple); box-shadow: 0 0 12px rgba(157,112,255,0.6); }

.sv {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
}

.s-green .sv  { color: var(--green); }
.s-blue .sv   { color: var(--blue); }
.s-purple .sv { color: var(--purple); }

.sl {
  font-size: 0.67rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---- Form ---- */
.field { margin-bottom: 13px; }

.field label {
  display: block;
  font-size: 0.67rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 5px;
}

.pfx-wrap { position: relative; }

.pfx {
  position: absolute;
  left: 11px; top: 50%;
  transform: translateY(-50%);
  color: var(--green);
  font-weight: 700;
  font-size: 0.95rem;
  pointer-events: none;
  line-height: 1;
}

.pfx-wrap input { padding-left: 26px; }

input[type=text],
input[type=number],
input[type=date],
select {
  width: 100%;
  background: var(--inp);
  border: 1px solid var(--inp-b);
  border-radius: var(--r2);
  color: var(--text);
  font-size: 0.9rem;
  padding: 9px 11px;
  outline: none;
  transition: border-color .18s, box-shadow .18s;
  -webkit-appearance: none;
  appearance: none;
  font-family: inherit;
}

input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button { -webkit-appearance: none; }

input:focus, select:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-d);
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235a6882' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 11px center;
  padding-right: 30px;
  cursor: pointer;
}

input[type=date]::-webkit-calendar-picker-indicator {
  filter: invert(.45);
  cursor: pointer;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  border: none;
  border-radius: var(--r2);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform .13s, box-shadow .13s, filter .13s;
  padding: 10px 16px;
  line-height: 1;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(130deg, #00d9a3 0%, #00b891 100%);
  color: #061210;
}

.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 22px rgba(0,217,163,0.35);
  transform: translateY(-1px);
}
.btn-primary:active { transform: none; filter: brightness(.95); }

.btn-block { width: 100%; }

.btn-sm {
  padding: 7px 12px;
  font-size: 0.8rem;
  border-radius: var(--r3);
}

.btn-accent { background: var(--green); color: #061210; }
.btn-accent:hover { filter: brightness(1.1); }

.btn-circle {
  width: 26px; height: 26px;
  border-radius: 50%;
  border: 1px solid var(--panel-b);
  background: transparent;
  color: var(--muted);
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all .15s;
  font-family: inherit;
}

.btn-circle:hover {
  color: var(--green);
  border-color: var(--green);
  background: var(--green-d);
}

.btn-x {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.8rem;
  padding: 3px 5px;
  border-radius: var(--r3);
  transition: all .12s;
  font-family: inherit;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  opacity: 0;
  line-height: 1;
}

.cat-row:hover .btn-x,
.tx-row:hover .btn-x { opacity: 1; }

.btn-x:hover { color: var(--red); background: var(--red-d); }

/* ---- New category form ---- */
.new-cat-form {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 14px;
}
.new-cat-form input[type=text] { flex: 1; }

.clr-pick {
  width: 34px; height: 34px;
  border-radius: var(--r3);
  border: 1px solid var(--inp-b);
  background: var(--inp);
  padding: 2px;
  cursor: pointer;
  flex-shrink: 0;
}

/* ---- Category list ---- */
.cat-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px solid var(--panel-b);
}
.cat-row:last-child { border-bottom: none; }

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

.cat-label {
  flex: 1;
  font-size: 0.875rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---- Breakdown ---- */
.bd-row { margin-bottom: 13px; }
.bd-row:last-child { margin-bottom: 0; }

.bd-top {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 5px;
}

.bd-name {
  flex: 1;
  font-size: 0.83rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.bd-amt {
  font-size: 0.83rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.bd-pct {
  font-size: 0.72rem;
  color: var(--muted);
  min-width: 32px;
  text-align: right;
  flex-shrink: 0;
}

.bd-track {
  height: 3px;
  background: rgba(255,255,255,0.06);
  border-radius: 99px;
  overflow: hidden;
}

.bd-fill {
  height: 100%;
  border-radius: 99px;
  opacity: 0.75;
  transition: width .4s cubic-bezier(.4,0,.2,1);
}

/* ---- Transactions ---- */
.tx-row {
  display: flex;
  align-items: stretch;
  border-radius: var(--r2);
  overflow: hidden;
  border: 1px solid var(--panel-b);
  background: var(--inp);
  margin-bottom: 8px;
  transition: border-color .15s;
}
.tx-row:last-child { margin-bottom: 0; }
.tx-row:hover { border-color: rgba(255,255,255,0.1); }

.tx-bar {
  width: 3px;
  flex-shrink: 0;
  opacity: .7;
}

.tx-body {
  flex: 1;
  padding: 9px 12px;
  min-width: 0;
}

.tx-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 3px;
}

.tx-desc {
  font-size: 0.875rem;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}

.tx-amt {
  font-size: 0.9rem;
  font-weight: 700;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

.tx-sub {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tx-cat  { font-size: 0.7rem; font-weight: 500; }
.tx-date { font-size: 0.7rem; color: var(--muted); }

.del-tx {
  align-self: center;
  margin-right: 8px;
}

/* ---- Filter ---- */
.filter-sel {
  width: auto;
  padding: 4px 22px 4px 9px;
  font-size: 0.72rem;
  background-position: right 7px center;
}

/* ---- Empty states ---- */
.muted-note {
  font-size: 0.83rem;
  color: var(--muted);
  text-align: center;
  padding: 10px 0;
}

/* ---- Toast ---- */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(70px);
  background: var(--panel);
  border: 1px solid var(--panel-b);
  border-radius: var(--r2);
  padding: 9px 20px;
  font-size: 0.83rem;
  font-weight: 500;
  pointer-events: none;
  opacity: 0;
  transition: opacity .22s, transform .22s cubic-bezier(.4,0,.2,1);
  z-index: 999;
  white-space: nowrap;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.ok  { border-color: var(--green); color: var(--green); }
.toast.err { border-color: var(--red);   color: var(--red); }

/* ---- Misc ---- */
.hidden { display: none !important; }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.18); }