/*!
 * SkyCorPeps — front-end tools styles (feature B8)
 * Shared styles for: Schedule Builder, Half-Life Visualiser, Stack Builder.
 *
 * Uses the existing site design tokens (--sc-*) defined in site.css :root.
 * Nothing here redefines a root token; extra local variables live in the
 * .skycorp-tools scope only.
 *
 * No @import, no external fonts, no dependencies.
 * Research use only — see .skycorp-tool-disclaimer.
 */

/* ==========================================================================
   1. Local scope variables (extra, non-root)
   ========================================================================== */
.skycorp-tools {
  /* spacing */
  --sc-tools-gap: 1rem;
  --sc-tools-gap-sm: 0.5rem;
  --sc-tools-pad: 1.15rem;
  /* surfaces */
  --sc-tools-soft: #f8fafc;
  --sc-tools-soft-2: #f1f5f9;
  --sc-tools-ink: var(--sc-navy);
  --sc-tools-line: var(--sc-border);
  /* accent helpers derived from the brand purple */
  --sc-tools-accent: var(--sc-purple);
  --sc-tools-accent-strong: var(--sc-purple-dark);
  --sc-tools-accent-soft: rgba(124, 58, 237, 0.12);
  --sc-tools-accent-line: rgba(124, 58, 237, 0.35);
  --sc-tools-focus: #7c3aed;
  --sc-tools-danger: #9f1239;
  /* metrics */
  --sc-tools-control-h: 2.75rem; /* 44px touch target */
  --sc-tools-cell: 26px;
  --sc-tools-font-sm: 0.82rem;
  --sc-tools-font-xs: 0.75rem;

  display: block;
  max-width: 100%;
  font-family: var(--sc-font);
  color: var(--sc-tools-ink);
  line-height: 1.5;
}

.skycorp-tools *,
.skycorp-tools *::before,
.skycorp-tools *::after {
  box-sizing: border-box;
}

.skycorp-tools > * + * {
  margin-top: var(--sc-tools-gap);
}

.skycorp-tools h2,
.skycorp-tools h3,
.skycorp-tools h4 {
  font-family: var(--sc-display);
  letter-spacing: -0.01em;
  color: var(--sc-tools-ink);
  margin: 0 0 0.35rem;
}

.skycorp-tools h2 { font-size: clamp(1.15rem, 2.4vw, 1.45rem); }
.skycorp-tools h3 { font-size: 1.05rem; }
.skycorp-tools h4 { font-size: 0.95rem; }

.skycorp-tools p { margin: 0 0 0.6rem; }
.skycorp-tools p:last-child { margin-bottom: 0; }

/* ==========================================================================
   2. Shared layout classes
   ========================================================================== */
.skycorp-tool-card {
  background: var(--sc-card);
  border: 1px solid var(--sc-tools-line);
  border-radius: var(--sc-radius-lg);
  padding: var(--sc-tools-pad);
  min-width: 0;
}

.skycorp-tool-card--soft {
  background: var(--sc-tools-soft);
}

.skycorp-tool-card--row {
  border-left: 3px solid var(--sc-tools-accent-line);
}

.skycorp-tool-grid {
  display: grid;
  gap: var(--sc-tools-gap-sm) var(--sc-tools-gap);
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  min-width: 0;
}

.skycorp-tool-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.skycorp-tool-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.skycorp-tool-grid--wide { grid-template-columns: minmax(0, 1fr); }

/* ==========================================================================
   3. Fields
   ========================================================================== */
.skycorp-tool-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.skycorp-tool-field > label,
.skycorp-tool-field > .skycorp-tool-field__label {
  font-size: var(--sc-tools-font-sm);
  font-weight: 600;
  color: var(--sc-tools-ink);
}

.skycorp-tool-field input[type="text"],
.skycorp-tool-field input[type="number"],
.skycorp-tool-field input[type="search"],
.skycorp-tool-field select,
.skycorp-tool-field textarea {
  font: inherit;
  font-size: 0.95rem;
  color: var(--sc-tools-ink);
  background: var(--sc-card);
  border: 1px solid var(--sc-tools-line);
  border-radius: var(--sc-radius);
  padding: 0.55rem 0.6rem;
  min-height: var(--sc-tools-control-h);
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.skycorp-tool-field textarea {
  min-height: 4.5rem;
  resize: vertical;
}

.skycorp-tool-field input:hover,
.skycorp-tool-field select:hover,
.skycorp-tool-field textarea:hover {
  border-color: var(--sc-tools-accent-line);
}

.skycorp-tool-field input:focus,
.skycorp-tool-field select:focus,
.skycorp-tool-field textarea:focus,
.skycorp-tools a:focus,
.skycorp-tools button:focus {
  outline: 3px solid var(--sc-tools-focus);
  outline-offset: 2px;
  border-color: var(--sc-tools-focus);
}

.skycorp-tool-field__hint {
  font-size: var(--sc-tools-font-xs);
  color: var(--sc-muted);
}

.skycorp-tool-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: var(--sc-tools-font-sm);
}

.skycorp-tool-checkbox input[type="checkbox"] {
  width: 1.15rem;
  height: 1.15rem;
  margin: 0.1rem 0 0;
  flex: 0 0 auto;
  accent-color: var(--sc-purple);
}

/* ==========================================================================
   4. Buttons / actions
   ========================================================================== */
.skycorp-tool-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.skycorp-tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font: inherit;
  font-weight: 600;
  font-size: 0.92rem;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  color: var(--sc-tools-ink);
  background: var(--sc-card);
  border: 1px solid var(--sc-tools-line);
  border-radius: var(--sc-radius);
  padding: 0.6rem 1rem;
  min-height: var(--sc-tools-control-h);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.skycorp-tool-btn:hover {
  border-color: var(--sc-tools-accent-line);
  background: var(--sc-tools-accent-soft);
}

.skycorp-tool-btn--primary {
  background: var(--sc-tools-accent);
  border-color: transparent;
  color: #fff;
}

.skycorp-tool-btn--primary:hover,
.skycorp-tool-btn--primary:focus {
  background: var(--sc-tools-accent-strong);
  color: #fff;
}

.skycorp-tool-btn--danger {
  color: var(--sc-tools-danger);
  border-color: rgba(159, 18, 57, 0.35);
  background: #fff;
}

.skycorp-tool-btn--danger:hover {
  background: rgba(159, 18, 57, 0.08);
  border-color: rgba(159, 18, 57, 0.55);
}

.skycorp-tool-btn--full { width: 100%; }

.skycorp-tool-btn[disabled],
.skycorp-tool-btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
}

.skycorp-tool-btn[disabled]:hover {
  background: var(--sc-card);
  border-color: var(--sc-tools-line);
}

/* ==========================================================================
   5. Output, status, disclaimer
   ========================================================================== */
.skycorp-tool-output {
  background: var(--sc-tools-soft);
  border: 1px solid var(--sc-tools-line);
  border-radius: var(--sc-radius);
  padding: 0.85rem 0.95rem;
  font-size: 0.92rem;
  font-variant-numeric: tabular-nums;
}

.skycorp-tool-output dl {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.3rem 1rem;
  margin: 0;
}

.skycorp-tool-output dt {
  color: var(--sc-muted);
  font-weight: 500;
}

.skycorp-tool-output dd {
  margin: 0;
  font-weight: 700;
  text-align: right;
  white-space: nowrap;
}

.skycorp-tool-output__label {
  font-size: var(--sc-tools-font-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sc-tools-accent-strong);
  margin: 0 0 0.5rem;
}

.skycorp-tool-status {
  font-size: var(--sc-tools-font-sm);
  color: var(--sc-muted);
  min-height: 1.2em;
  margin: 0;
}

.skycorp-tool-disclaimer {
  border: 1px solid var(--sc-tools-line);
  border-left: 3px solid var(--sc-tools-accent);
  border-radius: var(--sc-radius);
  background: var(--sc-tools-soft);
  color: var(--sc-muted);
  font-size: var(--sc-tools-font-xs);
  line-height: 1.45;
  padding: 0.6rem 0.75rem;
  margin: 0;
}

.skycorp-tool-hint {
  font-size: var(--sc-tools-font-sm);
  color: var(--sc-muted);
  margin: 0;
}

/* ==========================================================================
   6. Table / week grid
   ========================================================================== */
.skycorp-tool-scroll {
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--sc-tools-line);
  border-radius: var(--sc-radius);
  background: var(--sc-card);
}

.skycorp-tool-scroll:focus {
  outline: 3px solid var(--sc-tools-focus);
  outline-offset: 2px;
}

.skycorp-tool-table {
  border-collapse: collapse;
  width: 100%;
  font-size: var(--sc-tools-font-sm);
  font-variant-numeric: tabular-nums;
  background: var(--sc-card);
}

.skycorp-tool-table th,
.skycorp-tool-table td {
  border: 1px solid var(--sc-tools-line);
  padding: 0.35rem 0.45rem;
  text-align: left;
  vertical-align: top;
}

.skycorp-tool-table thead th {
  background: var(--sc-tools-soft-2);
  font-weight: 700;
  white-space: nowrap;
}

.skycorp-tool-table tbody th {
  font-weight: 600;
  white-space: nowrap;
}

.skycorp-tool-table td.skycorp-week,
.skycorp-tool-table th.skycorp-week {
  text-align: center;
  padding: 0.35rem 0.15rem;
  min-width: var(--sc-tools-cell);
  width: var(--sc-tools-cell);
}

.skycorp-tool-table td.skycorp-week.is-active {
  background: var(--sc-tools-accent-soft);
}

.skycorp-tool-table td.skycorp-week.is-active::after {
  content: "\25CF"; /* ● */
  color: var(--sc-purple);
  font-size: 0.7rem;
  line-height: 1;
}

.skycorp-tool-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  font-size: var(--sc-tools-font-xs);
  color: var(--sc-muted);
  margin: 0.5rem 0 0;
  padding: 0;
  list-style: none;
}

.skycorp-tool-legend li {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.skycorp-tool-swatch {
  display: inline-block;
  width: 0.85rem;
  height: 0.5rem;
  border-radius: 2px;
  background: var(--sc-tools-accent-soft);
  border: 1px solid var(--sc-tools-accent-line);
}

/* ==========================================================================
   7. Canvas (half-life visualiser) + Stack builder list
   ========================================================================== */
.skycorp-tool-canvas-wrap {
  position: relative;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.skycorp-tool-canvas {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--sc-tools-line);
  border-radius: var(--sc-radius);
  background: var(--sc-card);
}

.skycorp-tool-list {
  display: grid;
  gap: 0.5rem;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}

.skycorp-tool-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.6rem;
  align-items: start;
  border: 1px solid var(--sc-tools-line);
  border-radius: var(--sc-radius);
  padding: 0.6rem 0.7rem;
  background: var(--sc-card);
}

.skycorp-tool-item.is-selected {
  border-color: var(--sc-tools-accent-line);
  box-shadow: inset 0 0 0 1px var(--sc-tools-accent-soft);
}

.skycorp-tool-item__name {
  font-weight: 600;
  font-size: 0.9rem;
  display: block;
}

.skycorp-tool-item__meta {
  font-size: var(--sc-tools-font-xs);
  color: var(--sc-muted);
  display: block;
}

.skycorp-tool-item__price {
  font-weight: 700;
  font-size: 0.9rem;
  white-space: nowrap;
}

.skycorp-tool-thumb {
  width: 44px;
  height: 44px;
  border-radius: var(--sc-radius);
  border: 1px solid var(--sc-tools-line);
  background: var(--sc-tools-soft-2);
  object-fit: cover;
  display: grid;
  place-items: center;
  font-weight: 700;
  color: var(--sc-muted);
  font-size: 0.85rem;
  overflow: hidden;
}

.skycorp-tool-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.skycorp-tool-empty {
  color: var(--sc-muted);
  font-size: 0.9rem;
  margin: 0;
}

/* Visually hidden but screen-reader available */
.skycorp-tool-sr {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   8. Responsive
   ========================================================================== */
@media (max-width: 780px) {
  .skycorp-tool-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .skycorp-tools { --sc-tools-pad: 1rem; --sc-tools-font-sm: 0.8rem; }
  .skycorp-tool-grid,
  .skycorp-tool-grid--2,
  .skycorp-tool-grid--3 {
    grid-template-columns: minmax(0, 1fr);
  }
  .skycorp-tool-list { grid-template-columns: minmax(0, 1fr); }
  .skycorp-tool-output dl { grid-template-columns: minmax(0, 1fr); }
  .skycorp-tool-output dd { text-align: left; }
  .skycorp-tool-btn { flex: 1 1 auto; }
}

@media (max-width: 480px) {
  .skycorp-tools { --sc-tools-cell: 22px; }
  .skycorp-tool-table { font-size: var(--sc-tools-font-xs); }
  .skycorp-tool-table th,
  .skycorp-tool-table td { padding: 0.3rem 0.35rem; }
}

@media (max-width: 360px) {
  .skycorp-tools { --sc-tools-pad: 0.75rem; --sc-tools-gap: 0.75rem; }
  .skycorp-tools h2 { font-size: 1.1rem; }
  .skycorp-tool-card { border-radius: var(--sc-radius); }
  /* touch targets stay 44px tall even at the narrowest supported width */
  .skycorp-tool-btn { width: 100%; padding: 0.55rem 0.7rem; }
  .skycorp-tool-item { grid-template-columns: auto minmax(0, 1fr); }
  .skycorp-tool-item__price { grid-column: 2; text-align: left; }
}

/* ==========================================================================
   9. Print — hide navigation and controls, print grids legibly
   ========================================================================== */
@media print {
  @page { margin: 12mm; }

  html,
  body {
    background: #fff !important;
    color: #000 !important;
  }

  /* Navigation, chrome and chrome-ish widgets never print */
  nav,
  header,
  footer,
  aside,
  #header,
  #footer,
  .site-header,
  .site-footer,
  .header-wrapper,
  .footer-wrapper,
  .main-navigation,
  .main-menu,
  .porto-nav,
  .skycorp-nav,
  .skycorp-nav__menu,
  .skycorp-fab,
  .skycorp-hero-video,
  .skycorp-ruo-line,
  .skycorp-tool__hero,
  .skycorp-tool-actions,
  .skycorp-tool-btn,
  .skycorp-tool-no-print,
  .skycorp-tool-search,
  .skycorp-tool-field__hint,
  .skycorp-tool-status,
  [data-skycorp-no-print] {
    display: none !important;
  }

  .skycorp-tools,
  .skycorp-tool-card {
    border-color: #000 !important;
    background: #fff !important;
    box-shadow: none !important;
    padding: 0 !important;
    margin: 0 0 8mm !important;
    max-width: 100% !important;
  }

  .skycorp-tool-card {
    page-break-inside: avoid;
    break-inside: avoid;
  }

  /* Inputs still carry their printed value: render them as plain text boxes */
  .skycorp-tool-field input,
  .skycorp-tool-field select,
  .skycorp-tool-field textarea {
    border: 0 !important;
    border-bottom: 1px solid #000 !important;
    border-radius: 0 !important;
    background: #fff !important;
    color: #000 !important;
    padding: 0 0 2px !important;
    min-height: 0 !important;
    -webkit-appearance: none;
    appearance: none;
  }

  .skycorp-tool-scroll {
    overflow: visible !important;
    border-color: #000 !important;
  }

  .skycorp-tool-table {
    font-size: 8.5pt;
    color: #000 !important;
    page-break-inside: auto;
  }

  .skycorp-tool-table thead { display: table-header-group; }
  .skycorp-tool-table tr { page-break-inside: avoid; break-inside: avoid; }

  .skycorp-tool-table th,
  .skycorp-tool-table td {
    border: 1px solid #444 !important;
    background: #fff !important;
    color: #000 !important;
  }

  .skycorp-tool-table thead th { background: #eee !important; }

  .skycorp-tool-table td.skycorp-week.is-active {
    background: #ddd !important;
  }

  .skycorp-tool-table td.skycorp-week.is-active::after {
    color: #000 !important;
  }

  .skycorp-tool-output,
  .skycorp-tool-disclaimer {
    background: #fff !important;
    border: 1px solid #000 !important;
    color: #000 !important;
    font-size: 9pt;
  }

  .skycorp-tool-disclaimer { border-left-width: 3px !important; }

  .skycorp-tool-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .skycorp-tool-item { border-color: #000 !important; page-break-inside: avoid; }
  .skycorp-tool-canvas { border-color: #000 !important; }

  .skycorp-tool-sr,
  .skycorp-tool-sr * { display: none !important; }

  a { color: #000 !important; text-decoration: none !important; }
  a[href]::after { content: "" !important; }
}

/* Users who ask for reduced motion get none of it */
@media (prefers-reduced-motion: reduce) {
  .skycorp-tool-btn { transition: none; }
}

/* ------------------------------------------------ SkyCorP tools hub (B8) */
.skycorp-tools-hub {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 700px) { .skycorp-tools-hub { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .skycorp-tools-hub { grid-template-columns: 1fr 1fr 1fr; } }

.skycorp-tools-hub__card {
  display: block;
  padding: 1.2rem 1.25rem;
  border: 1px solid var(--sc-border);
  border-radius: var(--sc-radius-lg);
  background: #fff;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.skycorp-tools-hub__card:hover {
  transform: translateY(-2px);
  border-color: rgba(124, 58, 237, 0.4);
  box-shadow: 0 12px 28px -20px rgba(15, 23, 42, 0.55);
}
.skycorp-tools-hub__emoji { display: block; font-size: 1.6rem; margin-bottom: 0.4rem; }
.skycorp-tools-hub__card h2 {
  font-family: var(--sc-display);
  font-size: 1.05rem;
  margin: 0 0 0.4rem;
  letter-spacing: -0.01em;
  color: var(--sc-navy);
}
.skycorp-tools-hub__card p { margin: 0 0 0.7rem; font-size: 0.88rem; color: var(--sc-muted); line-height: 1.5; }
.skycorp-tools-hub__go {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sc-purple);
}