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

:root {
  --bg: #0f172a;
  --card: #1a2436;
  --elevated: #131c30;
  --text: #e5eaf3;
  --muted: #8ea0bd;
  --border: #29354d;
  --border-light: #223049;
  --border-strong: #3b4a66;
  --indigo: #818cf8;
  --indigo-btn: #6366f1;
  --green: #4ade80;
  --red: #f87171;
  --blue: #93c5fd;
  --orange: #fdba74;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .25), 0 10px 30px rgba(0, 0, 0, .2);
}

html {
  -webkit-text-size-adjust: 100%;
  color-scheme: dark;
}

body {
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-tap-highlight-color: transparent;
}

body.no-scroll {
  overflow: hidden;
}

[hidden] {
  display: none !important;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13, 19, 35, .85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 16px;
  padding-top: 13px;
  padding-bottom: 13px;
}

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

.brand-icon {
  font-size: 24px;
}

.brand h1 {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.month-nav {
  display: flex;
  align-items: center;
  background: var(--elevated);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  font-size: 20px;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
  border-radius: 50%;
  transition: background .15s, color .15s;
}

.icon-btn:hover {
  background: var(--card);
  color: var(--text);
}

.month-label {
  min-width: 168px;
  text-align: center;
  font-weight: 600;
  font-size: 15px;
  text-transform: capitalize;
}

.page {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-top: 22px;
  padding-bottom: 60px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.accent-green { border-top: 3px solid var(--green); }
.accent-red   { border-top: 3px solid var(--red); }
.accent-indigo{ border-top: 3px solid var(--indigo); }

.stat-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--muted);
}

.stat-value {
  font-size: 26px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.stat-value.income  { color: var(--green); }
.stat-value.expense { color: var(--red); }
.stat-value.neg     { color: var(--red); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 22px;
}

.card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.card-head h2 {
  font-size: 15.5px;
  font-weight: 700;
}

.ops-head {
  align-items: center;
}

.ops-head-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.view-toggle {
  display: flex;
  gap: 3px;
  background: var(--elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 3px;
}

.view-toggle button {
  border: none;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background .15s, color .15s;
}

.view-toggle button:hover {
  color: var(--text);
}

.view-toggle button.active {
  background: var(--indigo-btn);
  color: #fff;
}

.cat-filter {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--elevated);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  outline: none;
  cursor: pointer;
  transition: border-color .15s;
}

.cat-filter:focus {
  border-color: var(--indigo);
}

.card-total {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.breakdown.accent-green  .card-total { color: var(--green); }
.breakdown.accent-blue   .card-total { color: var(--blue); }
.breakdown.accent-orange .card-total { color: var(--orange); }

.breakdowns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 16px;
}

.bar-row + .bar-row {
  margin-top: 12px;
}

.bar-top {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 13.5px;
  margin-bottom: 5px;
}

.bar-top strong {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.bar-track {
  height: 8px;
  background: var(--elevated);
  border-radius: 99px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  min-width: 4px;
  border-radius: inherit;
  background: linear-gradient(90deg, #6366f1, #a78bfa);
  transition: width .3s ease;
}

.breakdown.accent-green  .bar-fill { background: linear-gradient(90deg, #10b981, #4ade80); }
.breakdown.accent-blue   .bar-fill { background: linear-gradient(90deg, #3b82f6, #7dd3fc); }
.breakdown.accent-orange .bar-fill { background: linear-gradient(90deg, #f97316, #fbbf24); }

.group {
  margin-bottom: 20px;
}

.group:last-child {
  margin-bottom: 0;
}

.group-title {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 8px 12px;
  border-radius: 9px;
}

.group.income   .group-title { background: rgba(74, 222, 128, .1);  color: var(--green); }
.group.fixed    .group-title { background: rgba(147, 197, 253, .1); color: var(--blue); }
.group.variable .group-title { background: rgba(253, 186, 116, .1); color: var(--orange); }

.group-title strong {
  font-variant-numeric: tabular-nums;
}

.cat-block + .cat-block {
  margin-top: 14px;
}

.cat-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 700;
  margin: 12px 4px 4px;
}

.cat-head span {
  color: var(--text);
}

.cat-head span::after {
  content: '';
}

.cat-count {
  font-weight: 500;
  color: var(--muted);
  font-size: 12px;
  margin-left: 6px;
}

.cat-head strong {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.ops {
  display: flex;
  flex-direction: column;
}

.op-row {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  gap: 14px;
  align-items: center;
  padding: 11px 6px;
  border-bottom: 1px solid var(--border-light);
  cursor: pointer;
  transition: background .12s;
}

.op-row:last-child {
  border-bottom: none;
}

.op-row:hover {
  background: #182338;
}

.op-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--elevated);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 6px 4px;
  line-height: 1.15;
}

.op-date .day {
  font-weight: 700;
  font-size: 15px;
}

.op-date .mon {
  font-size: 11px;
  color: var(--muted);
  text-transform: capitalize;
}

.op-info {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.op-cat {
  font-weight: 600;
  font-size: 14.5px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  font-style: normal;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 9px;
  border-radius: 99px;
  background: rgba(129, 140, 248, .14);
  color: #a5b4fc;
}

.op-comment {
  color: var(--muted);
  font-size: 13px;
  word-break: break-word;
}

.op-side {
  display: flex;
  align-items: center;
  gap: 6px;
}

.op-amount {
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.op-row.income .op-amount {
  color: var(--green);
}

.op-action {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 15px;
  line-height: 1;
  border-radius: 50%;
  cursor: pointer;
  opacity: .45;
  transition: opacity .15s, background .15s, color .15s;
}

.op-action.edit:hover {
  opacity: 1;
  background: rgba(129, 140, 248, .16);
  color: #a5b4fc;
}

.op-action.delete {
  font-size: 17px;
}

.op-action.delete:hover {
  opacity: 1;
  background: rgba(248, 113, 113, .15);
  color: var(--red);
}

.empty-note {
  color: var(--muted);
  font-size: 13.5px;
  text-align: center;
  padding: 18px 8px;
}

.empty-note.big {
  font-size: 14.5px;
  padding: 34px 10px;
}

.muted {
  color: var(--muted);
  font-size: 13px;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(2, 6, 18, .65);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}

.modal {
  background: #182236;
  border: 1px solid var(--border);
  border-radius: 18px;
  width: min(430px, 100%);
  max-height: calc(100vh - 36px);
  max-height: calc(100dvh - 36px);
  overflow-y: auto;
  padding: 24px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, .5);
  animation: pop .18s ease;
}

@keyframes pop {
  from {
    transform: translateY(14px) scale(.97);
    opacity: 0;
  }
  to {
    transform: none;
    opacity: 1;
  }
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.modal-head h2 {
  font-size: 18px;
}

.type-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

.type-pill {
  position: relative;
}

.type-pill input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.type-pill span {
  display: block;
  text-align: center;
  padding: 10px 8px;
  border-radius: 11px;
  border: 1.5px solid var(--border-strong);
  font-weight: 700;
  font-size: 14px;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  transition: all .15s;
}

.type-pill.expense input:checked + span {
  border-color: var(--red);
  background: rgba(248, 113, 113, .12);
  color: var(--red);
}

.type-pill.income input:checked + span {
  border-color: var(--green);
  background: rgba(74, 222, 128, .12);
  color: var(--green);
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}

.field input,
.field select {
  width: 100%;
  padding: 10px 12px;
  border: 1.5px solid var(--border-strong);
  border-radius: 10px;
  font: inherit;
  font-size: 14.5px;
  background: var(--elevated);
  color: var(--text);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}

.field input::placeholder {
  color: #5d7093;
}

.field input:focus,
.field select:focus {
  border-color: var(--indigo);
  box-shadow: 0 0 0 3px rgba(129, 140, 248, .18);
}

.row-2 {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 12px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 8px;
}

.btn {
  border: none;
  font: inherit;
  font-weight: 700;
  font-size: 14px;
  border-radius: 11px;
  padding: 10px 18px;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}

.btn-primary {
  background: var(--indigo-btn);
  color: #fff;
}

.btn-primary:hover {
  background: #4f46e5;
}

.btn-ghost {
  background: transparent;
  border: 1.5px solid var(--border-strong);
  color: var(--muted);
}

.btn-ghost:hover {
  color: var(--text);
  border-color: #55688c;
}

@media (max-width: 760px) {
  .container {
    padding-left: 14px;
    padding-right: 14px;
  }

  .topbar-inner {
    justify-content: center;
    gap: 8px;
  }

  .brand {
    width: 100%;
    justify-content: center;
    margin-right: 0;
  }

  .month-label {
    min-width: 128px;
    font-size: 14px;
  }

  .page {
    padding-top: 16px;
    padding-bottom: 44px;
    gap: 14px;
  }

  .stats {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .stat-card {
    padding: 14px 16px;
  }

  .stat-value {
    font-size: 22px;
  }

  .card {
    padding: 16px 14px;
  }

  .breakdowns {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .ops-head {
    flex-direction: column;
    align-items: stretch;
  }

  .view-toggle button {
    flex: 1;
  }

  .cat-filter {
    width: 100%;
    font-size: 16px;
  }

  .field input,
  .field select {
    font-size: 16px;
  }

  .row-2 {
    grid-template-columns: 1fr;
  }

  .overlay {
    padding: 10px;
  }

  .modal {
    max-height: calc(100vh - 20px);
    max-height: calc(100dvh - 20px);
    border-radius: 16px;
    padding: 20px 16px;
  }

  .op-row {
    grid-template-columns: 42px 1fr auto;
    gap: 9px;
    padding: 10px 4px;
  }

  .op-date {
    padding: 5px 3px;
  }

  .op-action {
    width: 30px;
    height: 30px;
    opacity: .6;
  }
}

@media (max-width: 400px) {
  .brand h1 {
    font-size: 17px;
  }

  .month-label {
    min-width: 104px;
    font-size: 13px;
  }

  .icon-btn {
    width: 32px;
    height: 32px;
  }

  .btn-primary {
    padding: 9px 13px;
    flex: 1;
  }

  .stat-value {
    font-size: 20px;
  }

  .type-pill span {
    padding: 10px 4px;
    font-size: 13px;
  }

  .modal-head h2 {
    font-size: 16.5px;
  }

  .cat-count {
    display: none;
  }
}