/* IndieDevTool — Steam Wishlist Cost Calculator
   ----------------------------------------------------------- */

.tool-hero {
  padding: 28px 0 8px;
}
.tool-hero .crumb {
  font-size: 0.85rem;
  color: var(--text-3);
  margin-bottom: 6px;
}
.tool-hero .crumb a { color: var(--text-2); }
.tool-hero h1 {
  font-size: 2rem;
  margin: 0 0 8px;
}
.tool-hero p.lead {
  color: var(--text-2);
  max-width: 760px;
  font-size: 1rem;
}

.calc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 22px;
  align-items: start;
  margin-top: 18px;
}
@media (max-width: 980px) {
  .calc-grid { grid-template-columns: 1fr; }
}

/* ---- Inputs panel ---------------------------------------- */
.inputs h2 { font-size: 1.05rem; margin-bottom: 18px; }

.field {
  margin-bottom: 22px;
}
.field:last-child { margin-bottom: 0; }
.field-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 10px;
  gap: 12px;
}
.field-label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-1);
}
.field-value {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--accent);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.field-help {
  font-size: 0.82rem;
  color: var(--text-3);
  margin-top: 6px;
}

/* range slider */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--bg-3);
  border-radius: 999px;
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-2) 0%, var(--accent) 100%);
  background-size: var(--fill, 0%) 100%;
  background-repeat: no-repeat;
  background-color: var(--bg-3);
}
input[type="range"]::-moz-range-track {
  height: 6px;
  border-radius: 999px;
  background: var(--bg-3);
}
input[type="range"]::-moz-range-progress {
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-2) 0%, var(--accent) 100%);
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #ffffff;
  border: 3px solid var(--accent);
  margin-top: -6px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.45), 0 0 0 4px rgba(102,192,244,0.1);
  cursor: grab;
  transition: transform .1s ease;
}
input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #ffffff;
  border: 3px solid var(--accent);
  box-shadow: 0 2px 6px rgba(0,0,0,0.45);
  cursor: grab;
}
input[type="range"]:active::-webkit-slider-thumb {
  transform: scale(1.1);
  cursor: grabbing;
}

.range-minmax {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-3);
  margin-top: 6px;
  font-variant-numeric: tabular-nums;
}

/* ---- Inputs panel credit (data sources) ------------------ */
.inputs-credit {
  margin-top: 24px;
  padding: 14px 16px;
  background: var(--bg-2);
  border: 1px solid var(--border-1);
  border-left: 3px solid var(--accent-2);
  border-radius: var(--r-md);
}
.inputs-credit .ic-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  margin-bottom: 6px;
}
.inputs-credit p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--text-2);
}
.inputs-credit a {
  color: var(--text-1);
  font-weight: 500;
  border-bottom: 1px dotted var(--text-3);
}
.inputs-credit a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ---- Tier info ------------------------------------------- */
.tier-info {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--r-md);
  background: var(--bg-2);
  border-left: 3px solid var(--tier-1);
  font-size: 0.92rem;
  color: var(--text-1);
}
.tier-info .tier-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(244,185,66,0.18);
  color: var(--tier-1);
  margin-right: 8px;
  vertical-align: middle;
}
.tier-info.tier-1 { border-left-color: var(--tier-1); }
.tier-info.tier-1 .tier-badge { color: var(--tier-1); background: rgba(244,185,66,.18); }
.tier-info.tier-2 { border-left-color: var(--tier-2); }
.tier-info.tier-2 .tier-badge { color: var(--tier-2); background: rgba(102,192,244,.16); }
.tier-info.tier-3 { border-left-color: var(--tier-3); }
.tier-info.tier-3 .tier-badge { color: #c9a3ff; background: rgba(180,108,255,.16); }
.tier-info.tier-done { border-left-color: var(--tier-done); }
.tier-info.tier-done .tier-badge { color: #b8f0c2; background: rgba(91,163,43,.18); }

.tier-progress {
  display: flex;
  gap: 4px;
  margin-top: 12px;
  height: 6px;
}
.tier-seg {
  flex: 1;
  background: var(--bg-3);
  border-radius: 999px;
  position: relative;
  overflow: hidden;
}
.tier-seg::after {
  content: "";
  position: absolute;
  inset: 0;
  width: var(--fill, 0%);
  background: var(--tier-1);
  transition: width .25s ease;
}
.tier-seg.seg-2::after { background: var(--tier-2); }
.tier-seg.seg-3::after { background: var(--tier-3); }

/* ---- Outputs panel --------------------------------------- */
.outputs-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}
.outputs-head h2 { margin: 0; font-size: 1.05rem; }

.reset-btn {
  font-size: 0.78rem;
  padding: 5px 10px;
  border-radius: var(--r-md);
  background: transparent;
  color: var(--text-3);
  border: 1px solid var(--border-1);
  cursor: pointer;
  transition: all .15s ease;
  font-family: var(--font-sans);
}
.reset-btn:hover {
  background: var(--bg-2);
  color: var(--text-1);
  border-color: var(--border-2);
}
.reset-btn:active { transform: scale(0.97); }

.outputs h2 { font-size: 1.05rem; margin-bottom: 18px; }
.kpi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 18px;
}
.kpi {
  background: var(--bg-2);
  border: 1px solid var(--border-1);
  border-radius: var(--r-md);
  padding: 14px 16px;
}
.kpi .k-label {
  font-size: 0.78rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.kpi .k-value {
  font-family: var(--font-mono);
  font-size: 1.45rem;
  color: var(--text-0);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.kpi .k-sub {
  font-size: 0.78rem;
  color: var(--text-3);
  margin-top: 2px;
}
.kpi.k-headline {
  background: linear-gradient(180deg, rgba(102,192,244,0.07), rgba(102,192,244,0));
  border-color: rgba(102,192,244,0.25);
}
.kpi.k-headline .k-value { color: var(--accent); }

/* Regions collapsible */
.regions-collapsible {
  margin-top: 18px;
  background: var(--bg-2);
  border: 1px solid var(--border-1);
  border-radius: var(--r-md);
  overflow: hidden;
}
.regions-collapsible summary {
  cursor: pointer;
  list-style: none;
  padding: 12px 14px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.regions-collapsible summary::-webkit-details-marker { display: none; }
.regions-collapsible summary::after {
  content: "▾";
  color: var(--text-3);
  transition: transform .15s ease;
}
.regions-collapsible[open] summary::after { transform: rotate(180deg); }
.regions-collapsible[open] summary { border-bottom: 1px solid var(--border-1); }
.regions-collapsible summary:hover { background: var(--bg-3); }
.regions-collapsible .regions-count {
  font-weight: 500;
  color: var(--text-3);
  font-size: 0.84rem;
}
.regions-collapsible .region-table { padding: 0; }

/* Info note */
.info-note {
  margin-top: 16px;
  padding: 13px 16px;
  background: rgba(102, 192, 244, 0.06);
  border: 1px solid rgba(102, 192, 244, 0.22);
  border-left: 3px solid var(--accent);
  border-radius: var(--r-md);
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text-1);
}
.info-note strong {
  color: var(--accent);
  font-weight: 700;
}

/* Legacy regions wrapper */
.regions {
  margin-top: 4px;
}
.regions h3 {
  font-size: 0.95rem;
  margin: 6px 0 10px;
  color: var(--text-1);
}
.region-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  font-variant-numeric: tabular-nums;
}
.region-table th, .region-table td {
  text-align: left;
  padding: 7px 8px;
  border-bottom: 1px solid var(--border-1);
}
.region-table th {
  color: var(--text-3);
  font-weight: 500;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.region-table td.num {
  text-align: right;
  font-family: var(--font-mono);
  color: var(--text-1);
}
.region-table tr:last-child td { border-bottom: none; }

/* Share row */
.share-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  font-size: 0.86rem;
  background: var(--bg-2);
  border: 1px solid var(--border-1);
  border-radius: var(--r-md);
  color: var(--text-1);
  cursor: pointer;
  text-decoration: none;
}
.share-btn:hover { background: var(--bg-3); color: var(--text-0); }
.share-btn-primary {
  background: linear-gradient(180deg, var(--accent) 0%, var(--accent-2) 100%) !important;
  color: #0a0d12 !important;
  border-color: transparent !important;
  font-weight: 700;
  box-shadow: 0 4px 14px var(--accent-glow);
}
.share-btn-primary:hover { filter: brightness(1.1); color: #0a0d12 !important; }

/* ---- Modal ----------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 5, 9, 0.78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 24px;
  animation: fadein 0.18s ease-out;
}
.modal-overlay.open { display: flex; }
@keyframes fadein { from { opacity: 0; } to { opacity: 1; } }

.modal {
  width: 100%;
  max-width: 820px;
  background: var(--bg-1);
  border: 1px solid var(--border-2);
  border-radius: var(--r-lg);
  padding: 22px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
}
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.modal-head h3 { margin: 0; font-size: 1.1rem; color: var(--text-0); }
.modal-close {
  background: transparent;
  border: none;
  color: var(--text-3);
  font-size: 1.7rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px 10px;
  border-radius: var(--r-sm);
}
.modal-close:hover { color: var(--text-0); background: var(--bg-3); }

.modal canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--r-md);
  background: var(--bg-2);
  border: 1px solid var(--border-1);
}
.modal-hint {
  font-size: 0.84rem;
  color: var(--text-3);
  margin: 12px 0 0;
  text-align: center;
}
.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 18px;
}

@media (max-width: 600px) {
  .modal { padding: 16px; }
  .modal-actions { justify-content: stretch; }
  .modal-actions .btn { flex: 1; }
}

/* ---- FAQ ------------------------------------------------- */
.faq {
  margin-top: 56px;
}
.faq h2 { margin-bottom: 14px; }
.faq details {
  background: var(--bg-1);
  border: 1px solid var(--border-1);
  border-radius: var(--r-md);
  padding: 0;
  margin-bottom: 8px;
  overflow: hidden;
}
.faq details[open] { border-color: var(--border-2); }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 16px;
  font-weight: 600;
  color: var(--text-0);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--text-3);
  transition: transform .15s ease;
}
.faq details[open] summary::after { content: "−"; }
.faq .answer {
  padding: 0 16px 16px;
  color: var(--text-2);
  font-size: 0.94rem;
  line-height: 1.6;
}
.faq .answer p:last-child { margin-bottom: 0; }

/* ---- Method box (full math, below FAQ) ------------------- */
.method-box {
  margin-top: 48px;
  padding: 22px 24px;
  border-radius: var(--r-lg);
  background: var(--bg-1);
  border: 1px solid var(--border-1);
  border-left: 3px solid var(--accent);
  color: var(--text-1);
}
.method-box h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: var(--text-0);
}
.method-box p {
  margin: 0 0 14px;
  color: var(--text-2);
  font-size: 0.92rem;
}
.method-box pre {
  margin: 0 0 14px;
  background: var(--bg-2);
  border: 1px solid var(--border-1);
  border-radius: var(--r-md);
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--text-1);
}
.method-box code {
  font-family: var(--font-mono);
  color: var(--accent);
}
.method-box pre code { color: var(--text-1); background: transparent; padding: 0; }
.method-box .method-legend {
  font-size: 0.82rem;
  color: var(--text-3);
  margin: 0;
  line-height: 1.7;
}
.method-box .method-legend strong {
  color: var(--text-1);
  font-family: var(--font-mono);
  font-weight: 600;
}
.method-box .method-credit {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--border-1);
  font-size: 0.82rem;
  color: var(--text-3);
}
.method-box .method-credit a { color: var(--text-2); }
.method-box .method-credit a:hover { color: var(--accent); }

@media (max-width: 720px) {
  .method-box { padding: 18px 16px; }
  .method-box pre { font-size: 0.78rem; padding: 12px; }
}

/* ---- noscript banner ------------------------------------- */
.noscript-banner {
  background: rgba(244, 185, 66, 0.08);
  border-bottom: 1px solid rgba(244, 185, 66, 0.3);
  color: #f4d896;
  padding: 12px 24px;
  text-align: center;
  font-size: 0.92rem;
}