:root {
  color-scheme: light;
  --surface-1:      #fcfcfb;
  --surface-2:      #f9f9f7;
  --text-primary:   #0b0b0b;
  --text-secondary: #52514e;
  --text-muted:     #898781;
  --gridline:       #e1e0d9;
  --baseline:       #c3c2b7;
  --border:         rgba(11,11,11,0.10);
  --good:           #006300;
  --critical:       #d03b3b;

  --series-1: #2a78d6; /* blue   */
  --series-2: #eb6834; /* orange */
  --series-3: #1baf7a; /* aqua   */
  --series-4: #eda100; /* yellow */
  --series-5: #e87ba4; /* magenta */
  --series-6: #008300; /* green  */
  --series-7: #4a3aa7; /* violet */
  --series-8: #e34948; /* red    */
  --series-total: #79766e; /* mid grey */
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --surface-1:      #1a1a19;
    --surface-2:      #0d0d0d;
    --text-primary:   #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted:     #898781;
    --gridline:       #2c2c2a;
    --baseline:       #383835;
    --border:         rgba(255,255,255,0.10);
    --good:           #0ca30c;
    --critical:       #e66767;

    --series-1: #3987e5;
    --series-2: #d95926;
    --series-3: #199e70;
    --series-4: #c98500;
    --series-5: #d55181;
    --series-6: #008300;
    --series-7: #9085e9;
    --series-8: #e66767;
    --series-total: #9c988e; /* mid grey */
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --surface-1:      #1a1a19;
  --surface-2:      #0d0d0d;
  --text-primary:   #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted:     #898781;
  --gridline:       #2c2c2a;
  --baseline:       #383835;
  --border:         rgba(255,255,255,0.10);
  --good:           #0ca30c;
  --critical:       #e66767;

  --series-1: #3987e5;
  --series-2: #d95926;
  --series-3: #199e70;
  --series-4: #c98500;
  --series-5: #d55181;
  --series-6: #008300;
  --series-7: #9085e9;
  --series-8: #e66767;
  --series-total: #9c988e; /* mid grey */
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--surface-2);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}

header.app-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  margin-bottom: 24px;
}

.page-tabs { margin-bottom: 0; }

.admin-setting-row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.admin-setting-label { font-size: 14px; }
.input-suffix-wrap { position: relative; }
.input-suffix-wrap input {
  font: inherit;
  padding: 8px 26px 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-primary);
  width: 100px;
  text-align: right;
}
.input-suffix {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  pointer-events: none;
}

.user-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 14px;
  min-width: 0;
}
.user-bar #user-email {
  overflow-wrap: anywhere;
}

button, .btn {
  font: inherit;
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-primary);
  padding: 8px 14px;
  min-height: 40px;
  border-radius: 8px;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
button.primary {
  background: var(--series-1);
  border-color: var(--series-1);
  color: #fff;
}
button.danger {
  color: var(--critical);
}
button:hover { filter: brightness(0.97); }
button:disabled { opacity: 0.5; cursor: default; }

.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}
.card h2 {
  font-size: 15px;
  margin: 0 0 14px;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}
.card-header h2 { margin: 0; }

.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(150px, 100%), 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.stat-tile {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
}
.stat-tile .label { font-size: 13px; color: var(--text-secondary); }
.stat-tile .value { font-size: 26px; font-weight: 600; margin-top: 4px; }
.stat-tile .sub-value { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }
.stat-tile.total .value { color: var(--series-1); }
.stat-tile.debt .value { color: var(--critical); }

form.row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: flex-end;
}
.field { display: flex; flex-direction: column; gap: 4px; }
.field label { font-size: 12px; color: var(--text-secondary); }
.field input, .field select {
  font: inherit;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text-primary);
}

.accounts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  gap: 16px;
  margin-bottom: 16px;
}
.type-group-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.type-group h3 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin: 0 0 8px;
}
.account-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 0;
  border-bottom: 1px solid var(--gridline);
  font-size: 14px;
}
.account-item:last-child { border-bottom: none; }
.account-item-main { display: flex; justify-content: space-between; align-items: center; }
.name-group { display: flex; align-items: center; gap: 8px; }
.account-item .name { display: flex; align-items: center; gap: 8px; }
.dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.account-item .value { font-variant-numeric: tabular-nums; color: var(--text-secondary); }
.account-item.editable {
  cursor: pointer;
  border-radius: 6px;
  padding-left: 8px;
  padding-right: 8px;
  margin-left: -8px;
  margin-right: -8px;
}
.account-item.editable:hover { background: var(--surface-2); }
.detail-toggle {
  border: none;
  background: none;
  min-height: auto;
  padding: 6px 4px;
  margin: -6px -4px;
  font-size: 10px;
  line-height: 1;
  color: var(--text-secondary);
  display: inline-block;
  transition: transform 0.15s ease;
}
.detail-toggle.expanded { transform: rotate(90deg); }
.detail-toggle:hover { filter: none; color: var(--series-1); }
.share-edit-btn {
  flex: none;
  width: 28px;
  border: none;
  background: none;
  min-height: auto;
  padding: 4px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1;
  text-align: right;
}
.share-edit-btn:hover { filter: none; color: var(--series-1); }
.account-extra { margin-top: 2px; }
.account-detail { font-size: 12px; color: var(--text-secondary); }
.account-note { font-size: 12px; color: var(--text-muted); font-style: italic; }
.empty { color: var(--text-muted); font-size: 14px; }

.history-link {
  display: block;
  text-align: right;
  margin-top: 4px;
  font-size: 13px;
  color: var(--series-1);
  text-decoration: none;
}
.history-link:hover { text-decoration: underline; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--gridline);
}
th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
td.value, th.value { text-align: right; font-variant-numeric: tabular-nums; }
td.actions { text-align: right; white-space: nowrap; }
td.actions button { padding: 3px 8px; font-size: 12px; margin-left: 4px; }
.table-wrap { overflow-x: auto; }

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 10px;
  font-size: 13px;
  color: var(--text-secondary);
}
.legend .item {
  display: flex;
  align-items: center;
  gap: 6px;
  border: none;
  background: none;
  min-height: auto;
  padding: 2px 0;
  font: inherit;
  color: var(--text-secondary);
  cursor: pointer;
}
.legend .item:hover { filter: none; color: var(--text-primary); }
.legend .item.off { color: var(--text-muted); text-decoration: line-through; }
.legend .swatch { width: 10px; height: 10px; border-radius: 2px; flex: none; }
.legend .item.off .swatch { opacity: 0.35; }

.auth-wrap {
  max-width: 360px;
  margin: 80px auto;
}
.auth-wrap .card { }
.auth-wrap form { display: flex; flex-direction: column; gap: 12px; }
.auth-wrap .field input { width: 100%; }
.auth-toggle { text-align: center; margin-top: 12px; font-size: 13px; color: var(--text-secondary); }
.auth-toggle a { color: var(--series-1); cursor: pointer; }
.msg { font-size: 13px; margin-top: 8px; }
.msg.error { color: var(--critical); }
.msg.ok { color: var(--good); }

.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--gridline);
  margin-bottom: 16px;
  padding: 0 0 0 2px;
}
.tab-btn {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--gridline);
  border-bottom: none;
  background: var(--surface-2);
  border-radius: 8px 8px 0 0;
  padding: 9px 18px;
  min-height: 40px;
  margin-bottom: -1px;
  color: var(--text-secondary);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  position: relative;
}
.tab-btn:hover { filter: none; color: var(--text-primary); }
.tab-btn-icon { padding: 9px 12px; }
.tab-btn-icon svg { display: block; }
.tab-btn.active {
  background: var(--surface-1);
  color: var(--series-1);
  border-color: var(--gridline);
  border-bottom: 1px solid var(--surface-1);
  z-index: 1;
}

.tab-date-field { max-width: 200px; margin-bottom: 14px; }

.tab-panel h3 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin: 16px 0 8px;
}
.tab-panel h3:first-child { margin-top: 0; }

.value-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--gridline);
}
.value-row:last-child { border-bottom: none; }
.value-row .name { flex: 1; font-size: 14px; }
.value-row input { width: 130px; text-align: right; }

.value-row-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--gridline);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}
.value-row-header-name { flex: 1; }
.value-row-header span:not(.value-row-header-name) { flex: none; width: 130px; text-align: right; }

.tab-panel .msg { margin-top: 10px; }

.debt-value-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--gridline);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}
.debt-value-header-name { flex: 1; }
.debt-value-header span:not(.debt-value-header-name) { flex: none; width: 90px; text-align: right; }

.debt-value-rows { display: flex; flex-direction: column; margin-bottom: 14px; }
.debt-value-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--gridline);
}
.debt-value-row:last-child { border-bottom: none; }
.debt-value-row .name { flex: 1; font-size: 14px; }
.debt-value-row input { flex: none; width: 90px; text-align: right; }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}
.modal {
  width: 100%;
  max-width: 420px;
  margin: 0;
  max-height: 90vh;
  overflow-y: auto;
}
.modal #account-form { display: flex; flex-direction: column; gap: 12px; }
.modal .field input, .modal .field select { width: 100%; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 4px; }
.modal-actions .danger { margin-right: auto; }

.expense-list-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--gridline);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
}
.expense-list { display: flex; flex-direction: column; }
.expense-row { padding: 10px 0; border-bottom: 1px solid var(--gridline); }
.expense-row:last-child { border-bottom: none; }
.expense-row.editable {
  cursor: pointer;
  border-radius: 6px;
  padding-left: 8px;
  padding-right: 8px;
  margin-left: -8px;
  margin-right: -8px;
}
.expense-row.editable:hover { background: var(--surface-2); }
.expense-row.editable.paid:hover { background: color-mix(in srgb, var(--gridline) 55%, transparent); }
.expense-row.paid {
  background: color-mix(in srgb, var(--gridline) 35%, transparent);
  border-radius: 6px;
}
.expense-row-main, .next8-row { display: flex; align-items: center; gap: 12px; }
.expense-date { flex: none; width: 84px; font-size: 12px; color: var(--text-muted); }
.expense-name { flex: 1; font-size: 14px; }
.expense-amount {
  flex: none;
  width: 80px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-size: 14px;
}
.expense-amount.projected { color: var(--text-muted); font-style: italic; }
.share-price {
  flex: none;
  width: 80px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  color: var(--text-secondary);
}
.share-price.fallback { font-style: italic; }
.share-update-btn {
  flex: none;
  width: 28px;
  border: none;
  background: none;
  min-height: auto;
  padding: 4px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1;
  text-align: right;
}
.share-update-btn:hover { filter: none; color: var(--series-1); }
.expense-running-total {
  flex: none;
  width: 100px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  color: var(--text-secondary);
}
.month-nav { display: flex; gap: 6px; }
.month-nav button { padding: 6px 12px; }
.month-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}
.month-total {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--gridline);
  font-weight: 600;
  text-align: right;
}

.performance-current { font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; }
.performance-current.positive { color: var(--good); }
.performance-current.negative { color: var(--critical); }

#performance-chart-wrap { width: 100%; }
#performance-chart { width: 100%; height: auto; display: block; }
.perf-gridline { stroke: var(--gridline); stroke-width: 1; }
.perf-zeroline { stroke: var(--text-muted); stroke-width: 1.5; }
.perf-axis-label { font-size: 10px; fill: var(--text-muted); }
.perf-area { fill: color-mix(in srgb, var(--series-1) 15%, transparent); stroke: none; }
.perf-line { fill: none; stroke: var(--series-1); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.perf-dot { fill: var(--series-1); }

@media (max-width: 480px) {
  .wrap { padding: 16px 12px 48px; }
  .card { padding: 16px; }
  .modal-overlay { padding: 12px; }

  .save-tab-btn,
  #save-debt-values-btn,
  .modal-actions button {
    width: 100%;
  }
  .modal-actions { flex-direction: column-reverse; }

  .card-header { flex-wrap: wrap; }
  #add-account-btn, #add-expense-btn, #add-debt-btn { width: 100%; order: 1; }

  .tab-btn { flex: 1; text-align: center; }

  .value-row input { width: 100px; }
  .value-row-header span:not(.value-row-header-name) { width: 100px; }
  .value-row-header { font-size: 10px; }

  .expense-date { width: 60px; }
  .expense-amount { width: 64px; font-size: 13px; }
  .share-price { width: 64px; font-size: 13px; }
  .expense-running-total { width: 74px; font-size: 13px; }
  .expense-list-header { font-size: 10px; }
  .month-nav button { padding: 6px 10px; }
  .month-actions { flex-wrap: wrap; }
  .debt-value-header span:not(.debt-value-header-name) { width: 66px; }
  .debt-value-row input { width: 66px; }
  .debt-value-header { font-size: 10px; }
  .month-actions #save-month-btn { width: 100%; }
}

.hidden { display: none !important; }