/* ============================================================
   Ledger — design tokens
   Palette:  paper #EDE8DC · ink #202B38 · ink-soft #5B6472
             brass #A9832E (headers/accents) · moss #4C6B4A (under target)
             rust  #B0523B (over target)
   Type:     Fraunces (display) / Inter (body) / IBM Plex Mono (numbers)
   ============================================================ */
:root {
  --paper: #EDE8DC;
  --paper-raised: #F6F3EA;
  --ink: #202B38;
  --ink-soft: #5B6472;
  --line: #D8D1BF;
  --brass: #A9832E;
  --moss: #4C6B4A;
  --rust: #B0523B;
  --font-display: "Fraunces", serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --radius: 3px;
}

* { box-sizing: border-box; }

/* The hidden attribute must always win over class-based display rules
   (flex/grid/etc), or elements meant to be hidden just silently don't
   hide. This bit us twice already — fixing it globally instead of
   patching individual selectors. */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
}

a { color: var(--ink); }

/* ---------- header ---------- */
.ledger-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 32px;
  border-bottom: 1px solid var(--line);
}
.ledger-header__mark {
  display: flex;
  align-items: baseline;
  gap: 8px;
  text-decoration: none;
  color: var(--ink);
}
.ledger-header__glyph {
  font-family: var(--font-display);
  font-size: 26px;
  color: var(--brass);
}
.ledger-header__title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.ledger-header__nav {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--ink-soft);
}
.ledger-header__nav a {
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.flash-stack { max-width: 640px; margin: 16px auto 0; padding: 0 24px; }
.flash {
  padding: 10px 14px;
  border-radius: var(--radius);
  font-size: 13px;
  margin-bottom: 8px;
}
.flash--error { background: #F3DAD1; color: var(--rust); }
.flash--info, .flash--message { background: #E3E7DE; color: var(--moss); }

/* ---------- layout ---------- */
.ledger-main { max-width: 880px; margin: 0 auto; padding: 32px 24px 80px; }
.dashboard { display: flex; flex-direction: column; gap: 28px; }

/* ---------- auth ---------- */
.auth-card {
  max-width: 380px;
  margin: 64px auto;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
}
.auth-card__title {
  font-family: var(--font-display);
  font-size: 26px;
  margin: 0 0 4px;
}
.auth-card__sub { color: var(--ink-soft); font-size: 13px; margin: 0 0 24px; }
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-form label { font-size: 12px; color: var(--ink-soft); display: flex; flex-direction: column; gap: 6px; }
.auth-form input {
  font-family: var(--font-body);
  font-size: 14px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
}
.auth-card__foot { margin-top: 20px; font-size: 13px; color: var(--ink-soft); }

/* ---------- buttons ---------- */
.btn {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  padding: 9px 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease;
}
.btn--primary { background: var(--ink); color: var(--paper-raised); }
.btn--primary:hover { background: #14202c; }
.btn--ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink-soft); }
.btn--small { padding: 6px 12px; font-size: 12px; }
.btn--danger { color: var(--rust); }

/* ---------- scenario bar ---------- */
.scenario-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.scenario-bar__tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.scenario-tab {
  font-size: 13px;
  padding: 7px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--paper-raised);
  cursor: pointer;
  color: var(--ink-soft);
  display: flex;
  align-items: center;
  gap: 8px;
}
.scenario-tab.is-active { border-color: var(--brass); color: var(--ink); background: #fff; }
.scenario-tab__delete { color: var(--rust); font-size: 11px; opacity: 0.6; }
.scenario-tab__delete:hover { opacity: 1; }

/* ---------- unallocated bar (sticky) ---------- */
.unallocated-bar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: #ffffff00;
  padding: 10px 0;
}
.unallocated-bar__inner {
  border-radius: var(--radius);
  border: 1px solid var(--line);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 18px;
  box-shadow: 0 2px 10px rgba(32, 43, 56, 0.07);
}
.unallocated-bar__text {
  display: flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
}
.unallocated-bar__label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
}
.unallocated-bar__amount {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
}
.unallocated-bar__track {
  flex: 1;
  min-width: 60px;
  height: 10px;
  background: #E4DFD2;
  border-radius: 999px;
  overflow: hidden;
}
.unallocated-bar__fill {
  height: 100%;
  border-radius: 999px;
  transition: width 0.2s ease;
}
.unallocated-bar--positive {
  background: #E9F1E7;
  border-color: #BFD6BC;
}
.unallocated-bar--positive .unallocated-bar__label,
.unallocated-bar--positive .unallocated-bar__amount { color: var(--moss); }
.unallocated-bar--positive .unallocated-bar__fill { background: var(--moss); }

.unallocated-bar--negative {
  background: #F6E3DD;
  border-color: #E0AC9B;
}
.unallocated-bar--negative .unallocated-bar__label,
.unallocated-bar--negative .unallocated-bar__amount { color: var(--rust); }
.unallocated-bar--negative .unallocated-bar__fill { background: var(--rust); }

/* ---------- overview ---------- */
.overview {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}
.overview__skeleton { color: var(--ink-soft); font-size: 13px; }

.overview__headline {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 20px;
  margin-bottom: 20px;
}
.overview__figure { display: flex; flex-direction: column; gap: 2px; }
.overview__figure-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}
.overview__figure-value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 500;
}
.overview__figure-value.is-negative { color: var(--rust); }

.overview__rows { display: flex; flex-direction: column; gap: 14px; }
.overview-row {
  display: grid;
  grid-template-columns: 130px 1fr 90px 70px;
  align-items: center;
  gap: 14px;
  cursor: pointer;
}
.overview-row__label {
  font-family: var(--font-display);
  font-size: 15px;
}
.overview-row__track {
  height: 8px;
  background: #E4DFD2;
  border-radius: 999px;
  overflow: hidden;
}
.overview-row__fill { height: 100%; background: var(--brass); border-radius: 999px; }
.overview-row__amount {
  font-family: var(--font-mono);
  font-size: 13px;
  text-align: right;
}
.overview-row__pct {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-soft);
  text-align: right;
}

/* ---------- settings ---------- */
.settings-panel {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.settings-panel__toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  font-family: var(--font-display);
  font-size: 16px;
  padding: 18px 24px;
  cursor: pointer;
  color: var(--ink);
}
.settings-panel__chevron { transition: transform .15s ease; color: var(--ink-soft); }
.settings-panel.is-open .settings-panel__chevron { transform: rotate(180deg); }
.settings-panel__body {
  padding: 4px 24px 24px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 18px;
  border-top: 1px solid var(--line);
  margin-top: 2px;
}
/* The hidden attribute must win over the grid display above, or the panel
   never actually collapses. */
.settings-panel__body[hidden] { display: none; }

.field {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 7px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-soft);
  letter-spacing: 0.01em;
}
.field input[type="text"],
.field input[type="number"],
.field select {
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  height: 38px;
  box-sizing: border-box;
}
.field select { font-family: var(--font-body); cursor: pointer; }

.field--checkbox {
  flex-direction: row;
  align-items: center;
  align-self: center;
  gap: 9px;
  height: 38px;
}
.field--checkbox input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 17px;
  height: 17px;
  min-width: 17px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  top: 0;
}
.field--checkbox input[type="checkbox"]:checked {
  background: var(--brass);
  border-color: var(--brass);
}
.field--checkbox input[type="checkbox"]:checked::after {
  content: "";
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) translate(-1px, -1px);
}

/* ---------- categories header ---------- */
.categories-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.categories-head__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  margin: 0;
}
.categories-head__controls {
  display: flex;
  align-items: center;
  gap: 12px;
}
.sort-control {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-soft);
}
.sort-control select {
  font-family: var(--font-body);
  font-size: 13px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}

/* ---------- categories ---------- */
.categories {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.category-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  min-width: 0;
}
.category-card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
  gap: 8px;
}
.category-card__label { font-family: var(--font-display); font-size: 17px; }
.category-card__label-input {
  font-family: var(--font-display);
  font-size: 17px;
  padding: 3px 6px;
  border: 1px solid var(--brass);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  width: 100%;
  max-width: 160px;
}
.category-card__pct { font-family: var(--font-mono); font-size: 12px; color: var(--ink-soft); }
.category-card__icon-btn {
  border: none;
  background: none;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 13px;
  padding: 2px 4px;
  line-height: 1;
}
.category-card__icon-btn:hover { color: var(--ink); }
.category-card__icon-btn--danger:hover { color: var(--rust); }
.category-card__total {
  font-family: var(--font-mono);
  font-size: 20px;
  margin-bottom: 14px;
  color: var(--brass);
}

.line-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 7px 0;
  border-top: 1px solid var(--line);
  flex-wrap: wrap;
  min-width: 0;
}
.line-item:first-of-type { border-top: none; }
.line-item__name {
  flex: 1;
  font-size: 13px;
  background: none;
  border: none;
  color: var(--ink);
  font-family: var(--font-body);
  padding: 4px 0;
  min-width: 60px;
}
.line-item__name:disabled { color: var(--ink-soft); }
.line-item__amount-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}
.line-item__amount {
  width: 100%;
  max-width: 110px;
  min-width: 70px;
  font-family: var(--font-mono);
  font-size: 13px;
  text-align: right;
  border: 1px solid transparent;
  background: transparent;
  border-radius: var(--radius);
  padding: 4px 6px;
  color: var(--ink);
}
.line-item__amount:focus { border-color: var(--line); background: #fff; }
.line-item__amount:disabled { color: var(--ink-soft); }
.line-item__computed {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--brass);
  padding-right: 6px;
}
.line-item__computed:empty { display: none; }
.line-item__error {
  width: 100%;
  font-size: 11px;
  color: var(--rust);
  padding-left: 0;
  order: 3;
}
.line-item__error:empty { display: none; }
.line-item__badge {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--brass);
  border: 1px solid var(--brass);
  border-radius: 999px;
  padding: 1px 6px;
  align-self: center;
}
.line-item__delete {
  border: none;
  background: none;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 14px;
  padding: 2px 4px;
  align-self: center;
}
.line-item__delete:hover { color: var(--rust); }

.add-item-form {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
  min-width: 0;
}
.add-item-form input:not(.smart-number) {
  flex: 2 1 80px;
  min-width: 0;
  font-size: 12px;
  padding: 7px 8px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: transparent;
}
.add-item-form input.smart-number {
  flex: 1 1 60px;
  min-width: 0;
  width: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 7px 8px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: transparent;
}
.add-item-form button {
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .overview-row { grid-template-columns: 100px 1fr 70px; }
  .overview-row__pct { display: none; }
}

/* ---------- modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(32, 43, 56, 0.35);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal-backdrop[hidden] { display: none; }
.modal {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 12px 40px rgba(32, 43, 56, 0.18);
}
.modal__title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
  margin: 0 0 18px;
}
.modal__field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-soft);
  margin-bottom: 16px;
}
.modal__field input[type="text"] {
  font-family: var(--font-body);
  font-size: 14px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
}
.modal__radio-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 220px;
  overflow-y: auto;
  margin-top: 2px;
}
.modal__radio-option {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 13px;
  color: var(--ink);
  background: #fff;
}
.modal__radio-option input { margin: 0; cursor: pointer; }
.modal__radio-option.is-selected { border-color: var(--brass); background: #FBF6EA; }
.modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 6px;
}
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.category-card__head-controls {
  display: flex;
  align-items: center;
  gap: 6px;
}

.modal__message {
  font-size: 13px;
  color: var(--ink-soft);
  margin: -8px 0 16px;
  line-height: 1.5;
}
.modal__message code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: #E9E3D4;
  padding: 1px 5px;
  border-radius: 3px;
  color: var(--ink);
}
.modal--wide { max-width: 480px; }
.formula-help-group { margin-bottom: 14px; }
.formula-help-group h3 {
  font-family: var(--font-body);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  margin: 0 0 8px;
}
.formula-help-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  padding: 5px 0;
  border-top: 1px solid var(--line);
}
.formula-help-row:first-of-type { border-top: none; }
.formula-help-row code {
  font-family: var(--font-mono);
  color: var(--brass);
  white-space: nowrap;
}
.formula-help-row span { color: var(--ink-soft); text-align: right; }

.btn--danger-solid {
  background: var(--rust);
  color: #fff;
}
.btn--danger-solid:hover { background: #97432f; }