:root {
  color-scheme: light dark;
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --text: #17191d;
  --muted: #6b7280;
  --border: #dde1e7;
  --accent: #1d5f4a;
  --accent-soft: #e2f0eb;
  --accent-border: #b8d4ca;
  --positive: #18734e;
  --negative: #a23b3b;
  --warning: #7a6540;
  --warning-soft: #f4efe4;
  --warning-border: #ddd1b7;
  --shadow: 0 8px 28px rgba(10, 18, 28, 0.06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101214;
    --surface: #181b1f;
    --surface-2: #22262b;
    --text: #f3f4f6;
    --muted: #a8afb9;
    --border: #30353c;
    --accent: #72c9aa;
    --accent-soft: #19372e;
    --accent-border: #315e50;
    --positive: #72c9aa;
    --negative: #ef9696;
    --warning: #dcc690;
    --warning-soft: #332d20;
    --warning-border: #554a32;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
html { min-height: 100%; }
body {
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
button, input, select { font: inherit; }
button { cursor: pointer; }

.shell {
  width: min(1280px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 48px;
}

.back-link {
  width: fit-content;
  margin-bottom: 24px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}
.back-link:hover { color: var(--accent); transform: translateX(-2px); }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
}
.eyebrow, .accordion-kicker, .selector-eyebrow {
  margin: 0;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
h1 {
  margin: 6px 0 0;
  font-size: clamp(38px, 6vw, 58px);
  line-height: 1.05;
  letter-spacing: -0.045em;
}
h2, h3 { margin: 0; }
.intro {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.6;
}
.top-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}
.sync-status { color: var(--muted); font-size: 13px; }

.button {
  padding: 10px 15px;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-weight: 650;
}
.button.secondary { border: 1px solid var(--border); background: var(--surface); color: var(--text); }
.button.ghost { border: 1px solid var(--border); background: transparent; color: var(--text); }
.button:disabled { cursor: wait; opacity: .55; }
.button:focus-visible, input:focus-visible, select:focus-visible, summary:focus-visible, .month-button:focus-visible, .selector-button:focus-visible {
  outline: 3px solid var(--accent-soft);
  outline-offset: 3px;
}

.setup-panel {
  margin-top: 24px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--accent-soft);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 28px;
}
.setup-panel p { margin-bottom: 0; color: var(--muted); line-height: 1.55; }
.setup-controls { display: grid; gap: 8px; }
.setup-controls label, .year-select-label { color: var(--muted); font-size: 13px; }
.setup-controls input, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface);
  color: var(--text);
}
.setup-actions { margin-top: 4px; display: flex; gap: 8px; flex-wrap: wrap; }
.error { min-height: 20px; margin: 0 !important; color: var(--negative) !important; }

.month-selector {
  margin-top: 34px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.month-selector__heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}
.month-selector h2 { margin-top: 5px; font-size: 24px; letter-spacing: -0.025em; }
.selector-actions { display: flex; align-items: flex-end; gap: 8px; }
.year-select-label { min-width: 110px; display: grid; gap: 5px; }
.selector-button, .month-button {
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--text);
  font-weight: 650;
}
.selector-button { min-width: 42px; padding: 8px 12px; }
.month-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(12, minmax(48px, 1fr));
  gap: 7px;
}
.month-button { padding: 8px 10px; color: var(--muted); }
.month-button.has-data { color: var(--text); }
.month-button.active { border-color: var(--accent); background: var(--accent); color: #fff; }
.month-button:disabled { cursor: not-allowed; opacity: .4; }

.headline-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.headline-card {
  min-height: 132px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.headline-card--primary { border-color: var(--accent-border); background: var(--accent-soft); }
.headline-card span { color: var(--muted); font-size: 13px; }
.headline-card strong { margin-top: 16px; font-size: clamp(26px, 3vw, 36px); letter-spacing: -0.035em; }
.headline-card small { margin-top: auto; padding-top: 14px; color: var(--muted); }

.accordion-stack { margin-top: 22px; display: grid; gap: 12px; }
.accordion-panel {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.accordion-panel > summary {
  min-height: 112px;
  padding: 22px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto 44px;
  align-items: center;
  gap: 24px;
  list-style: none;
  cursor: pointer;
}
.accordion-panel > summary::-webkit-details-marker { display: none; }
.accordion-title h2 { margin-top: 5px; font-size: 26px; letter-spacing: -0.025em; }
.accordion-title p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.accordion-value { font-size: clamp(22px, 3vw, 30px); font-weight: 750; white-space: nowrap; }
.accordion-icon {
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0;
}
.accordion-icon::before { content: "+"; font-size: 24px; line-height: 1; }
.accordion-panel[open] .accordion-icon::before { content: "−"; }
.accordion-panel[open] > summary { border-bottom: 1px solid var(--border); }
.accordion-content { padding: 22px; }

.mini-metrics {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--border);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
}
.mini-metrics--six { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mini-metrics div { min-height: 82px; padding: 14px 15px; background: var(--surface); display: flex; flex-direction: column; gap: 7px; }
.mini-metrics span { color: var(--muted); font-size: 12px; }
.mini-metrics strong { font-size: 18px; font-variant-numeric: tabular-nums; }

.subsection-heading {
  margin-top: 24px;
  padding: 0 2px 12px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}
.subsection-heading--spaced { margin-top: 32px; }
.subsection-heading h3 { margin-top: 5px; font-size: 21px; }
.subsection-description { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
.subsection-heading--actions { align-items: center; }

.table-wrap { border: 1px solid var(--border); border-radius: 13px; overflow-x: auto; }
table { width: 100%; min-width: 860px; border-collapse: collapse; }
th {
  padding: 12px 14px;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
  letter-spacing: .04em;
  text-align: left;
  text-transform: uppercase;
}
td { padding: 13px 14px; border-top: 1px solid var(--border); vertical-align: top; }
.numeric { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.description strong, .asset-cell strong { display: block; }
.description small, .asset-cell small { margin-top: 4px; display: block; color: var(--muted); }
.badge { padding: 4px 8px; border-radius: 999px; background: var(--surface-2); color: var(--muted); display: inline-flex; font-size: 12px; }
.empty { padding: 36px; color: var(--muted); text-align: center; }
.table-wrap .empty { border-top: 1px solid var(--border); }

.amount-positive { color: var(--positive); }
.amount-negative { color: var(--negative); }
.amount-neutral { color: var(--text); }

.notice {
  margin-bottom: 20px;
  padding: 18px;
  border: 1px solid var(--warning-border);
  border-radius: 14px;
  background: var(--warning-soft);
}
.notice p { margin: 7px 0 0; color: var(--muted); line-height: 1.55; }
.notice--muted { margin: 24px 0 0; border-color: var(--border); background: var(--surface-2); }

.copy-list { display: grid; gap: 10px; }
.copy-card {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 13px;
  background: var(--surface-2);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: start;
}
.copy-card h4 { margin: 0; font-size: 17px; }
.copy-card p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
.copy-card pre {
  margin: 14px 0 0;
  color: var(--text);
  font: inherit;
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
}
.copy-button { padding: 8px 11px; border: 1px solid var(--border); border-radius: 9px; background: var(--surface); color: var(--text); font-weight: 650; }

.hidden { display: none !important; }
.page-footer { margin-top: 28px; padding: 16px 4px 0; color: var(--muted); font-size: 12px; }
.page-footer p { margin: 0; }

@media (max-width: 1050px) {
  .month-grid { grid-template-columns: repeat(6, minmax(48px, 1fr)); }
  .mini-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mini-metrics--six { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 780px) {
  .topbar, .month-selector__heading { flex-direction: column; align-items: stretch; }
  .top-actions { justify-content: flex-start; }
  .setup-panel { grid-template-columns: 1fr; }
  .headline-grid { grid-template-columns: 1fr; }
  .accordion-panel > summary { grid-template-columns: minmax(0, 1fr) 42px; gap: 14px; }
  .accordion-value { grid-column: 1; grid-row: 2; }
  .accordion-icon { grid-column: 2; grid-row: 1 / span 2; }
  .mini-metrics--six { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .shell { width: min(100% - 20px, 1280px); padding-top: 20px; }
  h1 { font-size: 40px; }
  .intro { font-size: 16px; }
  .selector-actions { width: 100%; align-items: end; }
  .year-select-label { flex: 1; }
  .month-grid { grid-template-columns: repeat(4, minmax(48px, 1fr)); }
  .mini-metrics, .mini-metrics--six { grid-template-columns: 1fr 1fr; }
  .accordion-content { padding: 16px; }
  .copy-card { grid-template-columns: 1fr; }
  .copy-button { width: 100%; }
}