/* ==========================================================================
   AllCalci.com — calculator.css
   Calculator page layout, form controls, results panel
   ========================================================================== */

/* --------------------------------------------------------------------------
   PAGE HEADER
   -------------------------------------------------------------------------- */
.calc-hero { padding-bottom: var(--sp-6); }
.calc-hero-cat {
  display: inline-flex; align-items: center; gap: var(--sp-2);
  font-size: var(--text-xs); font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--cat-color, var(--color-primary));
  margin-bottom: var(--sp-3);
}
.calc-hero-cat svg { width: 14px; height: 14px; }
.calc-hero h1 { font-size: var(--text-3xl); margin-bottom: var(--sp-3); }
.calc-hero-sub {
  font-size: var(--text-lg); line-height: 1.6;
  color: var(--color-text-secondary); max-width: 68ch;
}
.calc-hero-meta {
  display: flex; flex-wrap: wrap; gap: var(--sp-4);
  margin-top: var(--sp-4);
  font-size: var(--text-sm); color: var(--color-text-muted);
}
.calc-hero-meta span { display: inline-flex; align-items: center; gap: var(--sp-2); }
.calc-hero-meta svg { width: 14px; height: 14px; color: var(--color-success); }

/* --------------------------------------------------------------------------
   TWO-COLUMN WORKSPACE
   -------------------------------------------------------------------------- */
.calc-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
  gap: var(--sp-6);
  align-items: start;
}

.calc-panel {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.calc-panel-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}
.calc-panel-title {
  font-size: var(--text-base); font-weight: 700;
  color: var(--color-text);
  display: flex; align-items: center; gap: var(--sp-2);
}
.calc-panel-title svg { width: 16px; height: 16px; color: var(--color-text-muted); }
.calc-panel-body { padding: var(--sp-5); }

/* Sticky results on desktop */
.calc-results-col { position: sticky; top: calc(var(--header-h) + var(--sp-5)); }

/* --------------------------------------------------------------------------
   FORM CONTROLS
   -------------------------------------------------------------------------- */
.field { margin-bottom: var(--sp-5); }
.field:last-child { margin-bottom: 0; }

.field-label {
  display: flex; align-items: center; gap: var(--sp-2);
  font-size: var(--text-base); font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--sp-2);
}
.field-hint {
  font-size: var(--text-sm); color: var(--color-text-muted);
  margin-top: var(--sp-2); line-height: 1.5;
}
.field-error {
  display: none;
  font-size: var(--text-sm); color: var(--color-danger);
  margin-top: var(--sp-2);
  align-items: center; gap: var(--sp-1);
}
.field.has-error .field-error { display: flex; }
.field.has-error .input-wrap { border-color: var(--color-danger); }
.field.has-error .input-wrap:focus-within { box-shadow: 0 0 0 3px var(--color-danger-subtle); }

/* Tooltip on labels */
.tip {
  width: 15px; height: 15px; border-radius: 50%;
  background: var(--color-bg-sunken); color: var(--color-text-muted);
  font-size: 10px; font-weight: 700;
  display: inline-grid; place-items: center;
  cursor: help; position: relative; flex-shrink: 0;
}
.tip:hover { background: var(--color-primary); color: #fff; }
.tip::after {
  content: attr(data-tip);
  position: absolute; bottom: calc(100% + 8px); left: 50%;
  transform: translateX(-50%);
  width: max-content; max-width: 240px;
  padding: var(--sp-2) var(--sp-3);
  background: var(--color-text); color: var(--color-bg);
  font-size: var(--text-xs); font-weight: 400; line-height: 1.5;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none;
  transition: opacity var(--dur-fast) var(--ease);
  z-index: 20;
}
.tip:hover::after, .tip:focus-visible::after { opacity: 1; }

/* Input wrapper with affixes */
.input-wrap {
  display: flex; align-items: stretch;
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
  overflow: hidden;
}
.input-wrap:focus-within {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}
.input-wrap input, .input-wrap select {
  flex: 1; min-width: 0;
  height: 44px; padding: 0 var(--sp-3);
  border: 0; background: none; outline: none;
  font-family: var(--font-mono);
  font-size: var(--text-md); font-weight: 500;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
}
.input-wrap input::placeholder { color: var(--color-text-faint); font-family: var(--font-sans); font-weight: 400; }
.input-wrap input[type='number'] { -moz-appearance: textfield; }
.input-wrap input::-webkit-outer-spin-button,
.input-wrap input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.affix {
  display: grid; place-items: center;
  padding-inline: var(--sp-3);
  background: var(--color-bg-alt);
  color: var(--color-text-muted);
  font-size: var(--text-base); font-weight: 600;
  white-space: nowrap; flex-shrink: 0;
}
.affix--pre  { border-right: 1px solid var(--color-border); }
.affix--post { border-left: 1px solid var(--color-border); }

/* Native select */
.select-wrap { position: relative; }
.select-wrap select {
  width: 100%; height: 44px;
  padding: 0 var(--sp-8) 0 var(--sp-3);
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  font-family: var(--font-sans); font-size: var(--text-base);
  color: var(--color-text);
  appearance: none; cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.select-wrap select:focus { outline: none; border-color: var(--color-primary); box-shadow: var(--shadow-focus); }
.select-wrap::after {
  content: ''; position: absolute; right: var(--sp-4); top: 50%;
  width: 8px; height: 8px;
  border-right: 2px solid var(--color-text-muted);
  border-bottom: 2px solid var(--color-text-muted);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

/* Slider paired with input */
.slider {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px; margin-top: var(--sp-4);
  border-radius: var(--radius-full);
  background: var(--color-bg-sunken);
  cursor: pointer;
}
.slider::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-bg-card);
  box-shadow: var(--shadow-sm);
  cursor: grab;
  transition: transform var(--dur-fast) var(--ease);
}
.slider::-webkit-slider-thumb:hover { transform: scale(1.15); }
.slider::-webkit-slider-thumb:active { cursor: grabbing; transform: scale(1.05); }
.slider::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--color-primary);
  border: 3px solid var(--color-bg-card);
  box-shadow: var(--shadow-sm); cursor: grab;
}
.slider:focus-visible { outline: none; }
.slider:focus-visible::-webkit-slider-thumb { box-shadow: var(--shadow-focus); }

.slider-scale {
  display: flex; justify-content: space-between;
  margin-top: var(--sp-2);
  font-family: var(--font-mono); font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* Segmented control */
.segmented {
  display: inline-flex; padding: 3px; gap: 2px;
  background: var(--color-bg-sunken);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.segmented--block { display: flex; width: 100%; }
.segmented button {
  flex: 1;
  height: 34px; padding: 0 var(--sp-4);
  border: 0; background: none;
  font-size: var(--text-base); font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer; white-space: nowrap;
  transition: all var(--dur-fast) var(--ease);
}
.segmented button:hover { color: var(--color-text); }
.segmented button[aria-pressed='true'] {
  background: var(--color-bg-card);
  color: var(--color-text);
  font-weight: 600;
  box-shadow: var(--shadow-xs);
}

/* Radio / checkbox rows */
.opt-row {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
}
.opt-row:hover { border-color: var(--color-border-strong); background: var(--color-bg-hover); }
.opt-row input { accent-color: var(--color-primary); width: 16px; height: 16px; cursor: pointer; }
.opt-row:has(input:checked) { border-color: var(--color-primary); background: var(--color-primary-subtle); }
.opt-row-text { font-size: var(--text-base); }
.opt-row-text b { display: block; font-weight: 600; color: var(--color-text); }
.opt-row-text small { color: var(--color-text-muted); font-size: var(--text-sm); }

/* Field rows */
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
.field-row--3 { grid-template-columns: repeat(3, 1fr); }

/* Advanced options disclosure */
.advanced {
  margin-top: var(--sp-5);
  border-top: 1px solid var(--color-border);
  padding-top: var(--sp-5);
}
.advanced-toggle {
  display: flex; align-items: center; gap: var(--sp-2);
  font-size: var(--text-base); font-weight: 600;
  color: var(--color-primary);
  cursor: pointer; list-style: none;
  user-select: none;
}
.advanced-toggle::-webkit-details-marker { display: none; }
.advanced-toggle::after {
  content: ''; width: 8px; height: 8px;
  border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--dur) var(--ease);
}
.advanced[open] .advanced-toggle::after { transform: rotate(-135deg) translateY(-2px); }
.advanced-body { padding-top: var(--sp-5); }

/* Action bar */
.calc-actions {
  display: flex; gap: var(--sp-3);
  margin-top: var(--sp-6);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--color-border);
}
.calc-actions .btn--primary { flex: 1; }

/* Currency selector */
.region-bar {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-5);
  background: var(--color-bg-inset);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
}
.region-bar label { color: var(--color-text-muted); font-weight: 500; white-space: nowrap; }
.region-bar .select-wrap { margin-left: auto; min-width: 200px; }
.region-bar .select-wrap select { height: 34px; font-size: var(--text-sm); }

/* --------------------------------------------------------------------------
   RESULTS PANEL
   -------------------------------------------------------------------------- */
.result-hero {
  padding: var(--sp-6) var(--sp-5);
  text-align: center;
  background: linear-gradient(180deg, var(--color-primary-subtle), transparent);
  border-bottom: 1px solid var(--color-border);
}
.result-hero-label {
  font-size: var(--text-sm); font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase; letter-spacing: .06em;
  margin-bottom: var(--sp-2);
}
.result-hero-value {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5.5vw, 2.75rem);
  font-weight: 700; line-height: 1.1;
  letter-spacing: -0.035em;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}
.result-hero-note {
  font-size: var(--text-sm); color: var(--color-text-muted);
  margin-top: var(--sp-2);
}

/* Secondary metric tiles */
.result-tiles {
  display: grid; grid-template-columns: repeat(2, 1fr);
  border-bottom: 1px solid var(--color-border);
}
.result-tile {
  padding: var(--sp-4) var(--sp-5);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.result-tile:nth-child(2n) { border-right: 0; }
.result-tiles > .result-tile:nth-last-child(-n+2):nth-child(2n+1),
.result-tiles > .result-tile:last-child { border-bottom: 0; }
.result-tile-label {
  font-size: var(--text-xs); font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase; letter-spacing: .05em;
  margin-bottom: var(--sp-1);
  display: flex; align-items: center; gap: var(--sp-1);
}
.result-tile-value {
  font-family: var(--font-mono); font-size: var(--text-xl);
  font-weight: 600; color: var(--color-text);
  font-variant-numeric: tabular-nums; letter-spacing: -0.025em;
}
.result-tile-value.is-positive { color: var(--color-success); }
.result-tile-value.is-negative { color: var(--color-danger); }

/* Breakdown list */
.breakdown { padding: var(--sp-5); }
.breakdown-title {
  font-size: var(--text-xs); font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--color-text-muted);
  margin-bottom: var(--sp-3);
}
.breakdown-row {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-3) 0;
  border-bottom: 1px solid var(--color-border-subtle);
  font-size: var(--text-base);
}
.breakdown-row:last-child { border-bottom: 0; }
.breakdown-swatch { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }
.breakdown-label { color: var(--color-text-secondary); }
.breakdown-value {
  margin-left: auto;
  font-family: var(--font-mono); font-weight: 600;
  color: var(--color-text); font-variant-numeric: tabular-nums;
}
.breakdown-pct {
  font-family: var(--font-mono); font-size: var(--text-xs);
  color: var(--color-text-faint); min-width: 42px; text-align: right;
}
.breakdown-row--total {
  margin-top: var(--sp-2); padding-top: var(--sp-4);
  border-top: 2px solid var(--color-border); border-bottom: 0;
  font-weight: 700;
}
.breakdown-row--total .breakdown-label { color: var(--color-text); font-weight: 700; }
.breakdown-row--total .breakdown-value { font-size: var(--text-lg); }

/* Chart container */
.chart-box { padding: var(--sp-5); border-bottom: 1px solid var(--color-border); }
.chart-box:last-child { border-bottom: 0; }
.chart-box-title {
  font-size: var(--text-xs); font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--color-text-muted); margin-bottom: var(--sp-4);
}
.chart-holder { width: 100%; display: flex; justify-content: center; }
.chart-holder svg { width: 100%; height: auto; overflow: visible; }
/* Radial charts read badly when stretched; cap them and centre instead. */
.chart-holder--radial svg { max-width: 260px; }
.chart-holder--gauge svg  { max-width: 320px; }

/* Result actions */
.result-actions {
  display: flex; gap: var(--sp-2);
  padding: var(--sp-4) var(--sp-5);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}
.result-actions .btn { flex: 1; }

/* Empty / placeholder state */
.result-empty {
  padding: var(--sp-12) var(--sp-5);
  text-align: center; color: var(--color-text-muted);
}
.result-empty svg { width: 36px; height: 36px; margin: 0 auto var(--sp-4); color: var(--color-text-faint); }
.result-empty p { font-size: var(--text-base); }

/* Value change flash */
@keyframes valueFlash {
  0%   { background: var(--color-primary-muted); }
  100% { background: transparent; }
}
.is-flashing { animation: valueFlash 600ms var(--ease); border-radius: var(--radius-xs); }

/* --------------------------------------------------------------------------
   SCHEDULE / AMORTIZATION TABLE
   -------------------------------------------------------------------------- */
.schedule-wrap { max-height: 520px; overflow: auto; border-radius: var(--radius-lg); }
.schedule-wrap thead th { position: sticky; top: 0; z-index: 2; }
.schedule-year {
  background: var(--color-bg-alt);
  font-weight: 700; cursor: pointer;
}
.schedule-year td { color: var(--color-text); }
.schedule-toggle {
  display: flex; gap: var(--sp-2); align-items: center;
  margin-bottom: var(--sp-4);
}

/* --------------------------------------------------------------------------
   RELATED CALCULATORS
   -------------------------------------------------------------------------- */
.related { margin-top: var(--sp-16); }
.related-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: var(--sp-3);
}

/* --------------------------------------------------------------------------
   TABLE OF CONTENTS (content nav)
   -------------------------------------------------------------------------- */
.toc {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  margin-bottom: var(--sp-8);
}
.toc-title {
  font-size: var(--text-xs); font-weight: 700;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--color-text-muted); margin-bottom: var(--sp-3);
}
.toc ol { display: grid; gap: var(--sp-2); padding-left: var(--sp-5); }
.toc a { font-size: var(--text-base); color: var(--color-text-secondary); }
.toc a:hover { color: var(--color-primary); text-decoration: underline; }

/* --------------------------------------------------------------------------
   CONTENT + SIDEBAR
   -------------------------------------------------------------------------- */
.content-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: var(--sp-10);
  align-items: start;
  margin-top: var(--sp-12);
}
.content-sidebar { position: sticky; top: calc(var(--header-h) + var(--sp-5)); display: grid; gap: var(--sp-5); }

/* Holder becomes a column when a legend is appended below the SVG */
.chart-holder { flex-direction: column; align-items: center; }
.chart-holder .ac-legend { width: 100%; justify-content: center; }

/* Keep the reading measure comfortable even when the sidebar is hidden.
   min() with 100% is required: `margin-inline: auto` turns off the grid
   item's stretch alignment, so a bare ch max-width overflows narrow viewports. */
.content-layout .prose { max-width: min(76ch, 100%); }
@media (max-width: 1279px) {
  .content-layout .prose { max-width: min(72ch, 100%); margin-inline: auto; }
}
.content-layout .prose .data-table-wrap,
.content-layout .prose .formula,
.content-layout .prose .example { max-width: none; }

/* --------------------------------------------------------------------------
   SCIENTIFIC CALCULATOR KEYPAD
   -------------------------------------------------------------------------- */
.sci-display {
  background: var(--color-bg-inset);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-4);
  margin-bottom: var(--sp-4);
  position: relative;
  min-height: 96px;
  display: flex; flex-direction: column; justify-content: flex-end;
}
.sci-expr {
  font-family: var(--font-mono); font-size: var(--text-sm);
  color: var(--color-text-muted); text-align: right;
  min-height: 1.4em; word-break: break-all;
}
.sci-value {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5vw, 2.1rem); font-weight: 700;
  color: var(--color-text); text-align: right;
  letter-spacing: -0.03em; word-break: break-all;
  font-variant-numeric: tabular-nums;
}
.sci-flags { position: absolute; top: var(--sp-3); left: var(--sp-4); display: flex; gap: var(--sp-2); }

.sci-pad { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--sp-2); }
.sci-key {
  height: 46px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  font-size: var(--text-base); font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease);
  font-variant-numeric: tabular-nums;
}
.sci-key:hover { background: var(--color-bg-hover); border-color: var(--color-border-strong); }
.sci-key:active { transform: translateY(1px); }
.sci-key--fn { font-size: var(--text-sm); color: var(--color-text-secondary); background: var(--color-bg-alt); }
.sci-key--num { font-size: var(--text-md); }
.sci-key--op { background: var(--color-primary-subtle); color: var(--color-primary); border-color: var(--color-primary-border); }
.sci-key--clear { background: var(--color-danger-subtle); color: var(--color-danger); border-color: transparent; }
.sci-key--eq { background: var(--color-primary); color: #fff; border-color: transparent; }
.sci-key--eq:hover { background: var(--color-primary-hover); }

@media (max-width: 480px) {
  .sci-pad { gap: 6px; }
  .sci-key { height: 42px; font-size: var(--text-sm); }
  .sci-key--fn { font-size: var(--text-xs); }
}

/* Fraction input pairing */
.frac-input { display: flex; align-items: center; gap: var(--sp-3); }
.frac-input .input-wrap { flex: 1; }
.frac-input .input-wrap input { text-align: center; }
.frac-bar { font-size: var(--text-xl); color: var(--color-text-faint); font-weight: 300; }

/* Repeating course / item rows */
.course-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 96px 108px 36px;
  gap: var(--sp-2);
  align-items: center;
  margin-bottom: var(--sp-2);
}
#course-rows.is-weighted .course-row { grid-template-columns: minmax(0, 1fr) 90px 96px 116px 36px; }
.course-row .course-name {
  height: 44px; padding: 0 var(--sp-3);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  font-size: var(--text-base); color: var(--color-text);
  min-width: 0;
}
.course-row .course-name:focus { outline: none; border-color: var(--color-primary); box-shadow: var(--shadow-focus); }
.course-row .select-wrap select { height: 44px; }
.course-row .course-remove { width: 36px; height: 36px; color: var(--color-text-faint); }
.course-row .course-remove:hover { color: var(--color-danger); border-color: var(--color-danger); }

@media (max-width: 639px) {
  .course-row,
  #course-rows.is-weighted .course-row {
    grid-template-columns: minmax(0, 1fr) 36px;
    grid-template-areas: 'name remove' 'grade grade' 'credits credits' 'type type';
    gap: var(--sp-2);
    padding-bottom: var(--sp-4);
    border-bottom: 1px solid var(--color-border-subtle);
    margin-bottom: var(--sp-4);
  }
  .course-row .course-name { grid-area: name; }
  .course-row .course-remove { grid-area: remove; }
  .course-row .select-wrap:not(.course-type) { grid-area: grade; }
  .course-row .input-wrap { grid-area: credits; }
  .course-row .course-type { grid-area: type; }
}

/* --------------------------------------------------------------------------
   COUNTDOWN / STOPWATCH DISPLAY
   -------------------------------------------------------------------------- */
.countdown-grid {
  display: flex; justify-content: center; gap: var(--sp-3);
  margin-block: var(--sp-4);
}
.countdown-unit {
  flex: 1; max-width: 92px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-3) var(--sp-2);
}
.countdown-num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 6vw, 2.1rem);
  font-weight: 700; line-height: 1;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}
.countdown-num.is-done { color: var(--color-success); }
.countdown-label {
  font-size: var(--text-xs); font-weight: 600;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--color-text-muted); margin-top: var(--sp-2);
}

.stopwatch-display {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 9vw, 3.6rem);
  font-weight: 700; letter-spacing: -0.03em;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
  text-align: center;
  margin-block: var(--sp-4);
}
.stopwatch-display small { font-size: .45em; color: var(--color-text-muted); font-weight: 600; }

/* Weekly timesheet rows */
.timecard-row {
  display: grid;
  grid-template-columns: 44px minmax(0,1fr) minmax(0,1fr) 104px 66px;
  gap: var(--sp-2);
  align-items: center;
  margin-bottom: var(--sp-2);
}
.timecard-day {
  font-size: var(--text-sm); font-weight: 600;
  color: var(--color-text-secondary);
}
.timecard-total {
  font-family: var(--font-mono); font-size: var(--text-sm); font-weight: 600;
  text-align: right; color: var(--color-text-faint);
  font-variant-numeric: tabular-nums;
}
@media (max-width: 639px) {
  .timecard-row {
    grid-template-columns: 44px 1fr 1fr;
    grid-template-areas: 'day start end' 'day break total';
    row-gap: var(--sp-2);
    padding-bottom: var(--sp-3);
    border-bottom: 1px solid var(--color-border-subtle);
    margin-bottom: var(--sp-3);
  }
  .timecard-day { grid-area: day; align-self: center; }
  .timecard-total { grid-area: total; align-self: center; }
}

/* Invoice line items */
.invoice-row {
  display: grid;
  grid-template-columns: minmax(0,1fr) 84px 116px 96px 36px;
  gap: var(--sp-2);
  align-items: center;
  margin-bottom: var(--sp-2);
}
.invoice-row .line-total {
  font-family: var(--font-mono); font-size: var(--text-sm); font-weight: 600;
  text-align: right; font-variant-numeric: tabular-nums;
}
@media (max-width: 639px) {
  .invoice-row {
    grid-template-columns: minmax(0,1fr) 36px;
    grid-template-areas: 'desc remove' 'qty qty' 'rate rate' 'total total';
    padding-bottom: var(--sp-3);
    border-bottom: 1px solid var(--color-border-subtle);
    margin-bottom: var(--sp-3);
  }
  .invoice-row .line-desc { grid-area: desc; }
  .invoice-row .course-remove { grid-area: remove; }
  .invoice-row .input-wrap:nth-of-type(1) { grid-area: qty; }
  .invoice-row .input-wrap:nth-of-type(2) { grid-area: rate; }
  .invoice-row .line-total { grid-area: total; text-align: left; }
}