:root {
  color-scheme: light;
  --bg: #f5f7f7;
  --surface: #ffffff;
  --surface-muted: #eef6f5;
  --line: #d9e3e1;
  --text: #17211f;
  --muted: #5f6f6c;
  --primary: #0f766e;
  --primary-strong: #0b5e59;
  --primary-soft: #dff4f1;
  --positive: #12805c;
  --negative: #c2413b;
  --warning: #b7791f;
  --shadow: 0 16px 40px rgba(22, 33, 31, 0.08);
  --radius: 8px;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(180deg, rgba(15, 118, 110, 0.08), rgba(245, 247, 247, 0) 280px),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.72;
  transform: none;
}

body.modal-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.app-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-logo {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  border-radius: 12px;
  box-shadow: 0 10px 24px rgba(15, 118, 110, 0.16);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 0.98;
  max-width: 760px;
}

h2 {
  font-size: clamp(1.25rem, 2vw, 1.7rem);
  line-height: 1.15;
}

.eyebrow {
  margin-bottom: 8px;
  color: var(--primary-strong);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.top-actions,
.toolbar-actions,
.form-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  min-height: 42px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 10px 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 800;
  transition:
    background 160ms ease,
    color 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--primary);
  color: #ffffff;
}

.button.primary:hover {
  background: var(--primary-strong);
}

.button.secondary,
.button.ghost {
  background: var(--surface);
  border-color: var(--line);
  color: var(--text);
}

.button.secondary:hover,
.button.ghost:hover {
  border-color: var(--primary);
  color: var(--primary-strong);
}

.top-actions .button.ghost {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(15, 118, 110, 0.18);
}

.top-actions .button.ghost:hover {
  background: var(--primary-strong);
  border-color: var(--primary-strong);
  color: #ffffff;
}

.toolbar-actions .button.secondary,
.toolbar-actions .file-button {
  background: var(--primary-soft);
  border-color: rgba(15, 118, 110, 0.32);
  color: var(--primary-strong);
  box-shadow: 0 8px 20px rgba(15, 118, 110, 0.1);
}

.toolbar-actions .button.secondary:hover,
.toolbar-actions .file-button:hover {
  background: #c9ebe6;
  border-color: var(--primary);
  color: var(--primary-strong);
}

.toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
}

.account-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  padding: 14px 16px;
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 10px 24px rgba(22, 33, 31, 0.06);
}

.account-bar div {
  display: grid;
  gap: 4px;
}

.account-bar strong {
  color: var(--primary-strong);
}

.account-bar span {
  color: var(--muted);
  font-weight: 700;
}

.plan-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.42fr);
  gap: 18px;
  align-items: center;
  margin-bottom: 18px;
  padding: 18px;
  border: 1px solid rgba(15, 118, 110, 0.28);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #ffffff, var(--primary-soft));
  box-shadow: 0 16px 36px rgba(15, 118, 110, 0.1);
}

.plan-banner h2 {
  margin-bottom: 8px;
}

.plan-banner p {
  color: var(--muted);
  line-height: 1.5;
}

.plan-usage {
  display: grid;
  gap: 10px;
}

.plan-usage strong {
  color: var(--primary-strong);
  font-size: 0.95rem;
}

.mini-progress {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.14);
}

.mini-progress span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--primary);
  transition: width 180ms ease;
}

.field {
  display: grid;
  gap: 8px;
}

.field.compact {
  min-width: min(260px, 100%);
}

label {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
  color: var(--text);
  padding: 10px 12px;
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.14);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.metric-card,
.panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.metric-card {
  display: grid;
  gap: 8px;
  min-height: 132px;
  padding: 18px;
}

.metric-card span,
.metric-card small {
  color: var(--muted);
  font-weight: 700;
}

.metric-card strong {
  font-size: clamp(1.45rem, 2.7vw, 2.15rem);
  line-height: 1;
}

.metric-card.positive strong {
  color: var(--positive);
}

.metric-card.negative strong {
  color: var(--negative);
}

.metric-card.balance strong {
  color: var(--primary-strong);
}

.panel {
  padding: 20px;
}

.overview-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 24px;
  align-items: center;
  margin-bottom: 18px;
}

#monthNarrative {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.55;
}

.progress-track {
  height: 12px;
  margin-top: 22px;
  border-radius: 999px;
  background: #e3ecea;
  overflow: hidden;
}

.progress-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--primary);
  transition: width 220ms ease, background 220ms ease;
}

.progress-label {
  margin-top: 10px;
  color: var(--muted);
  font-weight: 700;
}

.chart-wrap {
  width: 100%;
  min-height: 260px;
}

canvas {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 18px;
  margin-bottom: 18px;
}

.workspace-grid > * {
  min-width: 0;
}

.align-start {
  align-items: start;
}

.section-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.segmented {
  display: inline-grid;
  grid-template-columns: repeat(2, minmax(84px, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px;
  background: var(--surface-muted);
}

.segmented button {
  min-height: 34px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
}

.segmented button.active {
  background: var(--surface);
  color: var(--primary-strong);
  box-shadow: 0 4px 14px rgba(22, 33, 31, 0.08);
}

.transaction-form,
.million-form {
  display: grid;
  gap: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.select-inline {
  max-width: 150px;
}

.transaction-list {
  display: grid;
  gap: 10px;
}

.transaction-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #ffffff;
}

.transaction-main {
  min-width: 0;
}

.transaction-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
  font-weight: 900;
}

.pill {
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--primary-strong);
  padding: 4px 8px;
  font-size: 0.74rem;
  font-weight: 900;
}

.transaction-meta {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.45;
}

.transaction-value {
  text-align: right;
  font-size: 1.05rem;
  font-weight: 950;
}

.transaction-value.income {
  color: var(--positive);
}

.transaction-value.expense {
  color: var(--negative);
}

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

.icon-button {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  padding: 7px 9px;
  font-weight: 800;
}

.icon-button:hover {
  border-color: var(--primary);
  color: var(--primary-strong);
}

.empty-state {
  display: grid;
  gap: 6px;
  padding: 22px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  text-align: center;
}

.empty-state strong {
  color: var(--text);
}

.category-breakdown {
  display: grid;
  gap: 12px;
}

.category-row {
  display: grid;
  gap: 8px;
}

.category-row-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-weight: 800;
}

.category-bar {
  height: 10px;
  border-radius: 999px;
  background: #e3ecea;
  overflow: hidden;
}

.category-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--primary);
}

.upgrade-callout,
.upgrade-link {
  width: 100%;
  border: 1px solid rgba(15, 118, 110, 0.28);
  border-radius: var(--radius);
  background: var(--primary-soft);
  color: var(--primary-strong);
  padding: 12px;
  font-weight: 900;
  text-align: center;
}

.upgrade-callout:hover,
.upgrade-link:hover {
  border-color: var(--primary);
  background: #c9ebe6;
}

.calculator-panel {
  scroll-margin-top: 18px;
}

.million-result {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.result-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-muted);
}

.result-card span {
  display: block;
  margin-bottom: 7px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 850;
}

.result-card strong {
  font-size: 1.2rem;
}

.result-card.full {
  grid-column: 1 / -1;
}

.locked-result {
  cursor: pointer;
  border-color: rgba(15, 118, 110, 0.28);
  background: var(--primary-soft);
}

.table-scroll {
  width: 100%;
  margin-top: 18px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  background: #ffffff;
}

caption {
  padding: 12px;
  color: var(--muted);
  font-weight: 900;
  text-align: left;
}

th,
td {
  padding: 12px;
  border-top: 1px solid var(--line);
  text-align: right;
  white-space: nowrap;
}

th:first-child,
td:first-child {
  text-align: left;
}

th {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.locked-row td {
  text-align: center;
  background: #f7fbfa;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 18px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(12, 23, 21, 0.54);
}

.modal-card {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
  max-height: calc(100vh - 36px);
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 30px 80px rgba(12, 23, 21, 0.28);
  padding: 22px;
}

.modal-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.upgrade-reason {
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 18px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.small-modal {
  width: min(480px, 100%);
}

.auth-form {
  display: grid;
  gap: 14px;
}

.auth-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.pricing-card {
  display: grid;
  gap: 12px;
  align-content: start;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: #ffffff;
}

.pricing-card.featured {
  border-color: rgba(15, 118, 110, 0.42);
  background: linear-gradient(180deg, var(--primary-soft), #ffffff);
  box-shadow: 0 16px 32px rgba(15, 118, 110, 0.12);
}

.pricing-card span {
  color: var(--primary-strong);
  font-weight: 900;
  text-transform: uppercase;
}

.pricing-card strong {
  font-size: 1.4rem;
}

.pricing-card ul {
  display: grid;
  gap: 9px;
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.4;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 10;
  max-width: min(380px, calc(100vw - 36px));
  padding: 12px 14px;
  border-radius: var(--radius);
  background: #17211f;
  color: #ffffff;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(14px);
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

.hidden,
.visually-hidden {
  display: none !important;
}

@media (max-width: 920px) {
  .topbar,
  .account-bar,
  .toolbar,
  .section-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .top-actions,
  .toolbar-actions,
  .form-actions,
  .auth-actions {
    align-items: stretch;
  }

  .brand {
    align-items: flex-start;
  }

  .button,
  .file-button {
    width: 100%;
  }

  .summary-grid,
  .overview-panel,
  .workspace-grid,
  .plan-banner,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .overview-panel {
    gap: 18px;
  }

  .million-result {
    grid-template-columns: 1fr;
  }

  .modal-heading {
    flex-direction: column;
  }

  .auth-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .app-shell {
    width: min(100% - 20px, 1180px);
    padding-top: 18px;
  }

  .topbar {
    margin-bottom: 16px;
  }

  h1 {
    font-size: 2.15rem;
  }

  .brand-logo {
    width: 42px;
    height: 42px;
    border-radius: 10px;
  }

  .panel,
  .metric-card,
  .toolbar {
    padding: 14px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .transaction-item {
    grid-template-columns: 1fr;
  }

  .transaction-value {
    text-align: left;
  }

  .item-actions {
    justify-content: start;
  }
}