/* =============================================================================
   ABSETH DESIGN SYSTEM — Components
   Lifted from the live site. Requires colors_and_type.css for tokens.
   ============================================================================= */

/* ---- Buttons -------------------------------------------------------------
   Signature interaction: radius morphs 15px → 8px and color shifts to RED on
   hover. Primary = outlined blue; Ghost = filled grey. */
.btn-primary, .btn-ghost {
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  font-weight: 500;
  padding: calc(var(--space-sm) + var(--space-xs)) var(--space-lg);
  border-radius: 15px;
  cursor: pointer;
  transition: all var(--dur-instant) var(--ease-standard);
}
.btn-primary {
  background: var(--background);
  border: 1px solid var(--primary);
  color: var(--primary);
}
.btn-primary:hover {
  background: var(--surface);
  border-color: var(--red);
  color: var(--red);
  border-radius: var(--radius-md);
}
.btn-ghost {
  background: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  transition: all var(--dur-fast) var(--ease-standard);
}
.btn-ghost:hover {
  background: var(--background);
  border-color: var(--red);
  border-radius: var(--radius-md);
}
.btn-primary:disabled, .btn-ghost:disabled,
.btn-primary[disabled], .btn-ghost[disabled] {
  opacity: 0.5; cursor: not-allowed; pointer-events: none;
}
.btn-sm { padding: var(--space-sm) var(--space-md); font-size: 0.85rem; }
.btn-md { padding: calc(var(--space-sm) + var(--space-xs)) var(--space-lg); font-size: var(--font-size-sm); }
.btn-lg { padding: var(--space-md) var(--space-xl); font-size: 1rem; }

.btn-loading { position: relative; color: transparent !important; pointer-events: none; }
.btn-loading::after {
  content: ''; position: absolute; width: 16px; height: 16px; top: 50%; left: 50%;
  margin: -8px 0 0 -8px; border: 2px solid var(--primary); border-radius: 50%;
  border-top-color: transparent; animation: btn-spin 0.6s linear infinite;
}
.btn-ghost.btn-loading::after { border-color: var(--text-primary); border-top-color: transparent; }
@keyframes btn-spin { to { transform: rotate(360deg); } }

/* ---- Links & references -------------------------------------------------- */
.ds-link { color: var(--primary); text-decoration: none; transition: color var(--dur-base) var(--ease-standard); }
.ds-link:hover { color: var(--red); }
.ds-link[disabled], .ds-link.disabled { color: var(--disabled); pointer-events: none; opacity: 0.6; }

.ref-inline {
  display: inline-flex; align-items: center;
  margin-left: var(--space-xs); padding: 0.2rem 0.6rem;
  border: 1px solid var(--border); border-radius: 7px;
  background: var(--surface); color: var(--text-primary);
  font-size: 0.7rem; font-weight: 500; line-height: 1;
  text-decoration: none; vertical-align: middle;
  transition: color var(--dur-base) var(--ease-standard), border-color var(--dur-base) var(--ease-standard), background var(--dur-base) var(--ease-standard);
}
/* Arrow unfurls to the right on hover. Markup: <a class="ref-inline">7<span class="ref-arr">→</span></a> */
.ref-inline .ref-arr {
  overflow: hidden; max-width: 0; opacity: 0; margin-left: 0;
  transition: max-width 150ms ease, opacity 120ms ease, margin-left 120ms ease;
  white-space: nowrap;
}
.ref-inline:hover {
  color: var(--primary);
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
  background: color-mix(in srgb, var(--primary) 7%, var(--background));
}
.ref-inline:hover .ref-arr { max-width: 14px; opacity: 1; margin-left: 3px; }

/* Arrow link — "read more -->".
   The .arr span MUST always be in the DOM (not conditionally rendered);
   the CSS handles visibility via opacity + translateX so the transition fires. */
.headtag {
  display: inline-flex; align-items: center;
  color: var(--text-primary); text-decoration: none;
  transition: color var(--dur-base) var(--ease-standard);
}
.headtag .arr {
  color: var(--red); margin-left: 6px;
  opacity: 0; transform: translateX(-8px);
  transition: opacity 150ms var(--ease-standard), transform 150ms var(--ease-snap);
  display: inline; /* always in DOM — never conditionally rendered */
}
.headtag:hover { color: var(--red); }
.headtag:hover .arr { opacity: 1; transform: translateX(0); }

/* ---- Surfaces: cards & callouts ------------------------------------------ */
.card-surface { background: var(--surface); padding: var(--space-lg); border-radius: var(--radius-md); }
.callout { background: var(--surface); padding: var(--space-lg); border-radius: var(--radius-md); margin: var(--space-lg) 0; }
.callout-border { background: var(--background); border: 1px solid var(--border); padding: var(--space-lg); border-radius: var(--radius-md); margin: var(--space-lg) 0; }
.component-div { border: 1px solid var(--border); border-radius: var(--radius-md); padding: var(--space-md); margin: var(--space-xl) 0; }

/* ---- Tags / metadata ----------------------------------------------------- */
.project-tag { font-size: 14px; color: var(--text-secondary); }

/* ---- Code block ---------------------------------------------------------- */
.code-block {
  font-family: var(--font-mono); font-size: 0.8rem; line-height: 1.6;
  background: var(--surface); border-radius: var(--radius-md);
  padding: var(--space-lg); color: var(--text-primary); overflow-x: auto;
}
.code-block .tok-code { color: var(--code-text); }