/* ===========================================================
   Subaddons — Symbol Tools
   Reuses the root token system from /style.css; this file only
   adds the symbol-grid, copy-tile, and how-to layout specific
   to the tools section.
   =========================================================== */

.tools-hero{ padding: 56px 0 36px; text-align:center; }

.tools-toast{
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px);
  background: var(--umber-900); color: var(--cream); font-family: var(--font-mono);
  font-size: 13.5px; padding: 10px 18px; border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card); opacity: 0; pointer-events: none;
  transition: opacity .18s ease, transform .18s ease; z-index: 40;
}
.tools-toast.is-visible{ opacity: 1; transform: translateX(-50%) translateY(0); }

.symbol-section{ padding: 8px 0 40px; }
.symbol-library{ padding: 18px 0 70px; }
.symbol-library h2{ font-family: var(--font-display); font-size: 32px; margin: 0 0 8px; }
.symbol-library-intro{ color: var(--ink-soft); margin: 0; }
.symbol-category-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 26px; }
.symbol-category{ background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-md); padding: 18px; }
.symbol-category h3{ font-family: var(--font-display); font-size: 18px; margin: 0 0 12px; }
.quick-symbols{ display:flex; flex-wrap:wrap; gap: 7px; }
.quick-symbols button{ width: 38px; height: 38px; padding: 0; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--cream); color: var(--ink); font: 21px/1 var(--font-body); cursor:pointer; }
.quick-symbols button:hover, .quick-symbols button.is-copied{ border-color: var(--rust); background: var(--rust-tint); }
.symbol-grid{
  display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr));
  gap: 10px; margin: 24px 0 0;
}
.symbol-tile{
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap: 6px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-md);
  padding: 16px 8px 12px; cursor: pointer; font-family: inherit; color: var(--ink);
  transition: border-color .15s ease, transform .1s ease, background .15s ease;
}
.symbol-tile:hover{ border-color: var(--rust); background: var(--rust-tint); }
.symbol-tile:active{ transform: scale(0.96); }
.symbol-tile .glyph{ font-size: 30px; line-height:1; }
.symbol-tile .name{ font-size: 10.5px; font-family: var(--font-mono); color: var(--stone); text-align:center; }
.symbol-tile.is-copied{ border-color: var(--good); background: #EAF2EA; }

.symbol-hero-tile{
  display:flex; flex-direction:column; align-items:center; gap: 14px;
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 44px 24px; margin: 24px 0; text-align:center; cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}
.symbol-hero-tile:hover{ border-color: var(--rust); background: var(--rust-tint); }
.symbol-hero-tile .glyph{ font-size: 96px; line-height:1; font-family: var(--font-body); }
.symbol-hero-tile .hint{ font-family: var(--font-mono); font-size: 13px; color: var(--stone); }

.howto-table{ width:100%; border-collapse: collapse; margin: 18px 0 0; }
.howto-table th, .howto-table td{
  text-align:left; padding: 10px 14px; border-bottom: 1px solid var(--line); font-size: 15px;
}
.howto-table th{ font-family: var(--font-mono); font-size: 12.5px; color: var(--stone); font-weight: 600; }
.howto-table code{
  font-family: var(--font-mono); background: var(--rust-tint); padding: 2px 7px;
  border-radius: 6px; font-size: 14px;
}

.tools-cross-links{ display:flex; flex-wrap:wrap; gap: 10px; margin-top: 18px; }
.tools-cross-links a{
  border: 1px solid var(--line); border-radius: 999px; padding: 7px 16px; font-size: 14px;
  color: var(--ink); text-decoration:none; background: var(--paper);
}
.tools-cross-links a:hover{ border-color: var(--rust); color: var(--rust-dark); }

.tools-faq{ margin-top: 12px; }
.tools-faq details{ border-bottom: 1px solid var(--line); padding: 14px 0; }
.tools-faq summary{ cursor:pointer; font-weight: 600; font-size: 16px; }
.tools-faq p{ margin: 10px 0 0; color: var(--ink-soft); }

@media (max-width: 640px){
  .symbol-category-grid{ grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .symbol-category{ padding: 14px; }
  .symbol-grid{ grid-template-columns: repeat(auto-fill, minmax(68px, 1fr)); }
  .symbol-tile .glyph{ font-size: 24px; }
  .symbol-hero-tile .glyph{ font-size: 72px; }
}

@media (max-width: 420px){
  .symbol-category-grid{ grid-template-columns: 1fr; }
}