/* ============================================================
   WDT Tool Pages  — style/tools.css
   Classes for the interactive tool pages (revenue modeller,
   taxpayer calculator, tools index). Depends on the CSS
   custom properties defined in style/styles.css :root.
   ============================================================ */

/* ── Tool content panel ───────────────────────────────────── */

.wdt-tool-panel {
  background-color: var(--wdt-silver);
  border: 3px double var(--wdt-gold);
  outline: 1px solid #000;
  max-width: 1200px;
  margin: 1rem auto;
}

.wdt-tool-inner {
  background-color: #fff;
  border: 2px inset #808080;
  margin: 6px;
  padding: 1.25rem 1.5rem;
}

.wdt-tool-inner h1 {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 20px;
  font-weight: bold;
  color: var(--wdt-purple);
  text-align: center;
  border-bottom: 3px double var(--wdt-gold);
  background-color: var(--wdt-silver);
  margin: -1.25rem -1.5rem 1.25rem;
  padding: 0.75rem 1.5rem 0.5rem;
}

.wdt-tool-inner .subtitle {
  color: #666;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  font-family: Arial, Helvetica, sans-serif;
}


/* ── Tool standalone page — site header bar ───────────────── */
/* Used by standalone tool pages (taxpayer.html etc.) that are
   served outside the Quarto layout and need their own nav bar. */

.wdt-tool-header {
  background-color: var(--wdt-purple);
  border-bottom: 3px solid var(--wdt-gold);
  padding: 0.4rem 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: Arial, Helvetica, sans-serif;
}

.wdt-tool-header .brand {
  color: var(--wdt-gold);
  font-weight: bold;
  font-size: 15px;
  text-decoration: none;
  letter-spacing: 0.03em;
}

.wdt-tool-header .brand:hover {
  color: #fff;
  text-decoration: underline;
}

.wdt-tool-header .sep {
  color: var(--wdt-gold-dim);
  font-size: 12px;
}

.wdt-tool-header .page-title {
  color: var(--wdt-gold);
  font-size: 13px;
  font-weight: bold;
}

.wdt-tool-header .back-link {
  margin-left: auto;
  color: var(--wdt-gold);
  font-size: 12px;
  text-decoration: none;
  font-family: Arial, Helvetica, sans-serif;
  border: 1px solid var(--wdt-purple-mid);
  padding: 0.15rem 0.5rem;
}

.wdt-tool-header .back-link:hover {
  color: #fff;
  border-color: var(--wdt-gold);
}


/* ── Tool standalone page — main content visibility ──────────*/
/* #main starts hidden; JS reveals it after Pyodide is ready.  */

#main {
  display: none;
}

/* Year-select row: hidden until historical-series mode active */

#year-select-row {
  display: none;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

#year-select-row.visible {
  display: flex;
}


/* ── Loading / progress ───────────────────────────────────── */

.wdt-tool-inner #loading {
  padding: 2rem;
  background: var(--wdt-lavender);
  border: 2px solid var(--wdt-purple);
  margin-bottom: 1rem;
}

.wdt-tool-inner #loading h2 {
  font-size: 1rem;
  margin: 0 0 0.75rem;
  color: var(--wdt-purple);
  font-family: Arial, Helvetica, sans-serif;
  border-bottom: none;
  padding-bottom: 0;
}

#progress-bar-wrap {
  background: var(--wdt-silver);
  border: 1px solid var(--wdt-purple);
  height: 8px;
  margin-bottom: 0.5rem;
}

#progress-bar {
  background: var(--wdt-purple);
  height: 8px;
  width: 0%;
  transition: width 0.3s;
}

#progress-label {
  font-size: 0.85rem;
  color: #555;
  font-family: Arial, Helvetica, sans-serif;
}

#error-msg {
  color: var(--wdt-red);
  margin-top: 0.5rem;
  display: none;
  font-family: Arial, Helvetica, sans-serif;
}


/* ── Controls — shared ────────────────────────────────────── */

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.control-group label {
  font-size: 0.82rem;
  font-weight: bold;
  color: var(--wdt-purple);
  font-family: Arial, Helvetica, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.control-group .note {
  font-size: 0.75rem;
  color: #888;
  font-family: Arial, Helvetica, sans-serif;
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.slider-row input[type=range] {
  flex: 1;
  accent-color: var(--wdt-purple);
}

.slider-row .val {
  font-size: 0.85rem;
  min-width: 65px;
  text-align: right;
  color: var(--wdt-purple);
  font-weight: bold;
  font-family: Arial, Helvetica, sans-serif;
}

/* ── Mode toggle ──────────────────────────────────────────── */

.mode-toggle {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.mode-toggle button {
  padding: 3px 10px;
  border: 2px outset var(--wdt-silver);
  background: var(--wdt-silver);
  cursor: pointer;
  font-size: 0.82rem;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: bold;
  color: var(--wdt-purple);
}

.mode-toggle button.active {
  background: var(--wdt-purple);
  color: var(--wdt-gold);
  border-style: inset;
}

/* ── Advanced panel ───────────────────────────────────────── */

.wdt-tool-inner details {
  margin-top: 0.75rem;
}

.wdt-tool-inner summary {
  cursor: pointer;
  color: var(--wdt-purple);
  font-size: 0.85rem;
  font-weight: bold;
  padding: 0.25rem 0;
  font-family: Arial, Helvetica, sans-serif;
}

.advanced-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem 2rem;
  margin-top: 0.5rem;
  padding: 0.75rem;
  background: var(--wdt-lavender);
  border-left: 4px solid var(--wdt-purple);
}

.advanced-grid.two-col {
  grid-template-columns: 1fr 1fr;
}

/* ── Run button ───────────────────────────────────────────── */

button#run-btn {
  margin-top: 1rem;
  padding: 6px 20px;
  background: var(--wdt-purple);
  color: var(--wdt-gold);
  border: 2px outset var(--wdt-silver);
  cursor: pointer;
  font-size: 0.9rem;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: bold;
  letter-spacing: 0.04em;
}

button#run-btn:hover {
  background: var(--wdt-purple-mid);
  border-style: inset;
}

button#run-btn:disabled {
  background: #808080;
  color: var(--wdt-silver);
  cursor: default;
}

.running-msg {
  font-size: 0.85rem;
  color: var(--wdt-purple);
  margin-left: 0.5rem;
  display: none;
  font-family: Arial, Helvetica, sans-serif;
}


/* ── Revenue calculator — primary controls grid ───────────── */

.controls-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 1rem 2rem;
  margin-bottom: 1rem;
}

/* ── Revenue calculator — summary boxes ──────────────────── */

.summary-boxes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.box {
  border: 2px solid var(--wdt-purple);
  border-top: 4px solid var(--wdt-gold);
  padding: 0.75rem 1rem;
  background: var(--wdt-lavender);
}

.box .box-label {
  font-size: 0.72rem;
  color: var(--wdt-purple);
  margin-bottom: 0.25rem;
  font-family: Arial, Helvetica, sans-serif;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.box .box-val {
  font-size: 1.3rem;
  font-weight: bold;
  color: var(--wdt-purple);
  font-family: Arial, Helvetica, sans-serif;
}

.box .box-sub {
  font-size: 0.72rem;
  color: #666;
  margin-top: 0.15rem;
  font-family: Arial, Helvetica, sans-serif;
}


/* ── Revenue calculator — comparison bar chart ────────────── */

.comparison-section {
  margin-top: 2rem;
}

.comparison-section h3 {
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--wdt-purple);
  border-bottom: 2px solid var(--wdt-purple);
  padding-bottom: 0.2rem;
}

.comparison-section .cite-note {
  font-size: 0.75rem;
  color: #888;
  margin-bottom: 1rem;
  font-family: Arial, Helvetica, sans-serif;
}

.bar-chart {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.bar-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
}

.bar-label {
  min-width: 180px;
  text-align: right;
  color: #333;
  font-family: Arial, Helvetica, sans-serif;
}

.bar-track {
  flex: 1;
  background: #e8e0ff;
  border: 1px solid var(--wdt-silver);
  height: 22px;
  position: relative;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  transition: width 0.4s ease;
}

.bar-fill.wdt-avg  { background: var(--wdt-purple); }
.bar-fill.wdt-pf   { background: var(--wdt-purple-mid); }
.bar-fill.hmrc     { background: var(--wdt-silver); border-right: 1px solid #999; }

.bar-amount {
  min-width: 60px;
  font-weight: bold;
  color: #333;
  font-size: 0.82rem;
  font-family: Arial, Helvetica, sans-serif;
}


/* ── Revenue calculator — breakdown table section ─────────── */

.breakdown-section {
  margin-top: 2rem;
}

.breakdown-section h3 {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--wdt-purple);
  border-bottom: 2px solid var(--wdt-purple);
  padding-bottom: 0.2rem;
}

.total-row {
  font-weight: bold;
  background: var(--wdt-lavender) !important;
  border-top: 2px solid var(--wdt-purple);
}


/* ── Revenue calculator — SWF milestones ─────────────────── */

.swf-section {
  margin-top: 2rem;
}

.swf-section h3 {
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--wdt-purple);
  border-bottom: 2px solid var(--wdt-purple);
  padding-bottom: 0.2rem;
}

.swf-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
}

.swf-box {
  border: 1px solid var(--wdt-silver);
  border-left: 4px solid var(--wdt-gold);
  padding: 0.6rem 0.9rem;
  background: var(--wdt-lavender);
}

.swf-box .swf-lbl {
  font-size: 0.72rem;
  color: var(--wdt-purple);
  font-family: Arial, Helvetica, sans-serif;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.swf-box .swf-val {
  font-weight: bold;
  font-size: 1.05rem;
  color: var(--wdt-purple);
  font-family: Arial, Helvetica, sans-serif;
}


/* ── Taxpayer calculator — controls ───────────────────────── */

.controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 2rem;
}

/* ── Taxpayer calculator — results panels ─────────────────── */

.results {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}

.panel {
  border: 2px solid var(--wdt-purple);
  padding: 1rem;
  background: var(--wdt-lavender);
}

.panel.honest      { border-left: 5px solid var(--wdt-green); }
.panel.alpha-panel { border-left: 5px solid var(--wdt-purple); }

.panel h3 {
  font-size: 0.9rem;
  margin: 0 0 0.75rem;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--wdt-purple);
  border-bottom: none;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--wdt-silver);
  font-family: Arial, Helvetica, sans-serif;
}

.stat-row:last-child {
  border-bottom: none;
}

.stat-row .lbl { color: #555; }
.stat-row .num { font-weight: bold; }
.stat-row .num.positive { color: var(--wdt-red); }
.stat-row .num.negative { color: var(--wdt-green); }
.stat-row .num.neutral  { color: #333; }


/* ── Taxpayer calculator — detail table ───────────────────── */

.table-wrap {
  margin-top: 1.5rem;
  overflow-x: auto;
}

.table-wrap h3 {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--wdt-purple);
  border-bottom: 2px solid var(--wdt-purple);
  padding-bottom: 0.2rem;
}

.pos  { color: var(--wdt-red); }
.neg  { color: var(--wdt-green); }
.zero { color: #888; }

tr.sell-row {
  background: #fffbeb;
  font-style: italic;
}


/* ── Tools index page ─────────────────────────────────────── */

.tool-card {
  border: 2px solid var(--wdt-silver);
  border-left: 4px solid var(--wdt-gold);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  text-decoration: none;
  display: block;
  color: inherit;
  background: var(--wdt-lavender);
}

.tool-card:hover {
  border-color: var(--wdt-purple);
  background: #ede9fe;
  text-decoration: none;
  color: inherit;
}

.tool-card h2 {
  font-size: 1rem;
  margin: 0 0 0.4rem;
  border-bottom: none;
  padding-bottom: 0;
}

.tool-card p {
  font-size: 0.85rem;
  color: #555;
  margin: 0;
}

.tool-card .tag {
  display: inline-block;
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 10px;
  margin-bottom: 0.5rem;
  font-weight: 600;
  font-family: Arial, Helvetica, sans-serif;
}

.tag-blue   { background: #dbeafe; color: #1e40af; }
.tag-purple { background: #ede9fe; color: #5b21b6; }


/* ── Responsive — tools ───────────────────────────────────── */

@media (max-width: 900px) {
  .controls-grid    { grid-template-columns: 1fr 1fr; }
  .summary-boxes    { grid-template-columns: 1fr 1fr; }
  .swf-grid         { grid-template-columns: 1fr 1fr; }
  .wdt-tool-panel   { margin: 0; border-left: none; border-right: none; }
}

@media (max-width: 700px) {
  .controls         { grid-template-columns: 1fr; }
  .results          { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .controls-grid    { grid-template-columns: 1fr; }
  .summary-boxes    { grid-template-columns: 1fr; }
  .swf-grid         { grid-template-columns: 1fr; }
  .bar-label        { min-width: 110px; font-size: 0.75rem; }
}