/* ─────────────────────────────────────────────
   _links.css — Links
   ─────────────────────────────────────────────
   API:
     <a class="link">Default</a>
     <a class="link link-primary">Primary</a>
     <a class="link link-muted">Muted</a>
     <a class="link link-danger">Danger</a>
     <a class="link link-success">Success</a>

     <a class="link link-underline">Animated underline</a>
     <a class="link link-plain">No underline</a>
     <a class="link link-arrow">With arrow →</a>
     <a class="link link-external">External ↗</a>

     <a class="link-btn">Ghost link button</a>
     <a class="link-btn link-btn-primary">Primary link button</a>

     <a class="link-card">Block link card</a>
───────────────────────────────────────────── */

/* ═══════════════════════════════
   BASE INLINE LINK
═══════════════════════════════ */
.link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--color-primary);
  text-decoration: none;
  font-size: inherit;
  line-height: inherit;
  transition: color 0.18s, opacity 0.18s;
  cursor: pointer;
  position: relative;
}

.link:hover {
  opacity: 0.8;
}

/* ═══════════════════════════════
   COLOR VARIANTS
═══════════════════════════════ */
.link-primary { color: var(--color-primary); }
.link-muted   { color: var(--color-muted); }
.link-success { color: var(--color-success, #22c55e); }
.link-danger  { color: var(--color-danger,  #ef4444); }
.link-warning { color: var(--color-warning, #f59e0b); }
.link-info    { color: var(--color-accent,  #06b6d4); }

.link-muted:hover   { color: var(--color-light); opacity: 1; }
.link-success:hover { color: var(--color-success, #22c55e); opacity: 0.75; }
.link-danger:hover  { color: var(--color-danger,  #ef4444); opacity: 0.75; }

/* ═══════════════════════════════
   UNDERLINE STYLE VARIANTS
═══════════════════════════════ */

/* Always visible underline */
.link-underline {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: color-mix(in srgb, currentColor 40%, transparent);
  transition: text-decoration-color 0.2s, color 0.18s, opacity 0.18s;
}

.link-underline:hover {
  text-decoration-color: currentColor;
  opacity: 1;
}

/* Animated slide-in underline */
.link-slide {
  text-decoration: none;
}

.link-slide::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.link-slide:hover::after {
  transform: scaleX(1);
}

/* No underline */
.link-plain {
  text-decoration: none;
  opacity: 0.85;
}

.link-plain:hover {
  opacity: 1;
}

/* ═══════════════════════════════
   ICON VARIANTS
═══════════════════════════════ */

/* Arrow → */
.link-arrow::after {
  content: '→';
  font-style: normal;
  transition: transform 0.2s;
  display: inline-block;
}

.link-arrow:hover::after {
  transform: translateX(3px);
}

/* External ↗ */
.link-external::after {
  content: '↗';
  font-size: 0.8em;
  line-height: 1;
  vertical-align: super;
  margin-left: 1px;
}

/* ═══════════════════════════════
   LINK BUTTON
═══════════════════════════════ */
.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-md, 8px);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.18s, box-shadow 0.2s;
  line-height: 1.4;
  position: relative;
  overflow: hidden;
}

/* ── Shine effect for filled link-btn variants ── */
.link-btn-primary::after,
.link-btn-accent::after,
.link-btn-success::after,
.link-btn-error::after,
.link-btn-warning::after,
.link-btn-dark::after,
.link-btn-light::after {
  content: '';
  position: absolute;
  top: 0;
  left: -80%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.22), transparent);
  transform: skewX(-15deg);
  transition: left 0.45s ease;
  pointer-events: none;
}
.link-btn-primary:hover::after,
.link-btn-accent:hover::after,
.link-btn-success:hover::after,
.link-btn-error:hover::after,
.link-btn-warning:hover::after,
.link-btn-dark:hover::after,
.link-btn-light:hover::after {
  left: 140%;
}

.link-btn:hover {
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
  border-color: color-mix(in srgb, var(--color-primary) 35%, transparent);
}

.link-btn-primary {
  color: #fff;
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 8px 20px color-mix(in srgb, var(--color-primary) 24%, transparent);
}
.link-btn-primary:hover {
  color: #fff;
  background: color-mix(in srgb, var(--color-primary) 84%, #000);
  border-color: color-mix(in srgb, var(--color-primary) 84%, #000);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--color-primary) 32%, transparent);
}

.link-btn-muted {
  color: var(--color-muted);
  background: color-mix(in srgb, var(--color-neutral-600) 8%, transparent);
  border-color: color-mix(in srgb, var(--color-neutral-600) 20%, transparent);
}
.link-btn-muted:hover {
  color: var(--color-light);
  background: color-mix(in srgb, var(--color-neutral-600) 14%, transparent);
}

/* ── Filled variants ── */
.link-btn-accent {
  color: #fff;
  background: var(--color-accent);
  border-color: var(--color-accent);
  box-shadow: 0 8px 20px color-mix(in srgb, var(--color-accent) 24%, transparent);
}
.link-btn-accent:hover {
  color: #fff;
  background: color-mix(in srgb, var(--color-accent) 84%, #000);
  border-color: color-mix(in srgb, var(--color-accent) 84%, #000);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--color-accent) 32%, transparent);
}

.link-btn-success {
  color: #111;
  background: var(--color-success);
  border-color: var(--color-success);
  box-shadow: 0 8px 20px color-mix(in srgb, var(--color-success) 20%, transparent);
}
.link-btn-success:hover {
  color: #111;
  background: color-mix(in srgb, var(--color-success) 84%, #000);
  border-color: color-mix(in srgb, var(--color-success) 84%, #000);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--color-success) 28%, transparent);
}

.link-btn-error {
  color: #fff;
  background: var(--color-error);
  border-color: var(--color-error);
  box-shadow: 0 8px 20px color-mix(in srgb, var(--color-error) 24%, transparent);
}
.link-btn-error:hover {
  color: #fff;
  background: color-mix(in srgb, var(--color-error) 84%, #000);
  border-color: color-mix(in srgb, var(--color-error) 84%, #000);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--color-error) 32%, transparent);
}

.link-btn-warning {
  color: #111;
  background: var(--color-warning);
  border-color: var(--color-warning);
  box-shadow: 0 8px 20px color-mix(in srgb, var(--color-warning) 18%, transparent);
}
.link-btn-warning:hover {
  color: #111;
  background: color-mix(in srgb, var(--color-warning) 84%, #000);
  border-color: color-mix(in srgb, var(--color-warning) 84%, #000);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--color-warning) 26%, transparent);
}

.link-btn-dark {
  color: #fff;
  background: var(--color-neutral-800);
  border-color: var(--color-neutral-600);
  box-shadow: 0 8px 20px color-mix(in srgb, #000 28%, transparent);
}
.link-btn-dark:hover {
  color: var(--color-light);
  background: var(--color-neutral-700);
  border-color: var(--color-neutral-500);
  box-shadow: 0 10px 24px color-mix(in srgb, #000 34%, transparent);
}

.link-btn-light {
  color: #111;
  background: var(--color-light);
  border-color: var(--color-light);
  box-shadow: 0 8px 20px color-mix(in srgb, var(--color-light) 12%, transparent);
}
.link-btn-light:hover {
  color: #111;
  background: color-mix(in srgb, var(--color-light) 86%, #000);
  border-color: color-mix(in srgb, var(--color-light) 86%, #000);
  box-shadow: 0 10px 24px color-mix(in srgb, var(--color-light) 18%, transparent);
}

/* ── Outline variants (neutral border, colored text) ── */
.link-btn-outline-primary {
  color: var(--color-primary);
  background: transparent;
  border-color: color-mix(in srgb, var(--color-neutral-600) 35%, transparent);
}
.link-btn-outline-primary:hover {
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
  border-color: color-mix(in srgb, var(--color-neutral-600) 55%, transparent);
}

.link-btn-outline-accent {
  color: var(--color-accent);
  background: transparent;
  border-color: color-mix(in srgb, var(--color-neutral-600) 35%, transparent);
}
.link-btn-outline-accent:hover {
  background: color-mix(in srgb, var(--color-accent) 8%, transparent);
  border-color: color-mix(in srgb, var(--color-neutral-600) 55%, transparent);
}

.link-btn-outline-success {
  color: var(--color-success);
  background: transparent;
  border-color: color-mix(in srgb, var(--color-neutral-600) 35%, transparent);
}
.link-btn-outline-success:hover {
  background: color-mix(in srgb, var(--color-success) 8%, transparent);
  border-color: color-mix(in srgb, var(--color-neutral-600) 55%, transparent);
}

.link-btn-outline-error {
  color: var(--color-error);
  background: transparent;
  border-color: color-mix(in srgb, var(--color-neutral-600) 35%, transparent);
}
.link-btn-outline-error:hover {
  background: color-mix(in srgb, var(--color-error) 8%, transparent);
  border-color: color-mix(in srgb, var(--color-neutral-600) 55%, transparent);
}

.link-btn-outline-warning {
  color: var(--color-warning);
  background: transparent;
  border-color: color-mix(in srgb, var(--color-neutral-600) 35%, transparent);
}
.link-btn-outline-warning:hover {
  background: color-mix(in srgb, var(--color-warning) 8%, transparent);
  border-color: color-mix(in srgb, var(--color-neutral-600) 55%, transparent);
}

.link-btn-outline-dark {
  color: var(--color-muted);
  background: transparent;
  border-color: color-mix(in srgb, var(--color-neutral-600) 35%, transparent);
}
.link-btn-outline-dark:hover {
  color: var(--color-light);
  background: color-mix(in srgb, var(--color-neutral-600) 8%, transparent);
  border-color: color-mix(in srgb, var(--color-neutral-600) 55%, transparent);
}

.link-btn-outline-light {
  color: var(--color-light);
  background: transparent;
  border-color: color-mix(in srgb, var(--color-light) 30%, transparent);
}
.link-btn-outline-light:hover {
  background: color-mix(in srgb, var(--color-light) 8%, transparent);
  border-color: color-mix(in srgb, var(--color-light) 55%, transparent);
}

/* ── Ghost variants ── */
.link-btn-ghost-primary {
  color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
  border-color: color-mix(in srgb, var(--color-primary) 22%, transparent);
}
.link-btn-ghost-primary:hover {
  background: color-mix(in srgb, var(--color-primary) 15%, transparent);
  border-color: color-mix(in srgb, var(--color-primary) 38%, transparent);
}

.link-btn-ghost-accent {
  color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 8%, transparent);
  border-color: color-mix(in srgb, var(--color-accent) 22%, transparent);
}
.link-btn-ghost-accent:hover {
  background: color-mix(in srgb, var(--color-accent) 15%, transparent);
  border-color: color-mix(in srgb, var(--color-accent) 38%, transparent);
}

.link-btn-ghost-success {
  color: var(--color-success);
  background: color-mix(in srgb, var(--color-success) 8%, transparent);
  border-color: color-mix(in srgb, var(--color-success) 22%, transparent);
}
.link-btn-ghost-success:hover {
  background: color-mix(in srgb, var(--color-success) 15%, transparent);
  border-color: color-mix(in srgb, var(--color-success) 38%, transparent);
}

.link-btn-ghost-error {
  color: var(--color-error);
  background: color-mix(in srgb, var(--color-error) 8%, transparent);
  border-color: color-mix(in srgb, var(--color-error) 22%, transparent);
}
.link-btn-ghost-error:hover {
  background: color-mix(in srgb, var(--color-error) 15%, transparent);
  border-color: color-mix(in srgb, var(--color-error) 38%, transparent);
}

.link-btn-ghost-warning {
  color: var(--color-warning);
  background: color-mix(in srgb, var(--color-warning) 8%, transparent);
  border-color: color-mix(in srgb, var(--color-warning) 22%, transparent);
}
.link-btn-ghost-warning:hover {
  background: color-mix(in srgb, var(--color-warning) 15%, transparent);
  border-color: color-mix(in srgb, var(--color-warning) 38%, transparent);
}

.link-btn-ghost-dark {
  color: var(--color-muted);
  background: color-mix(in srgb, var(--color-neutral-600) 6%, transparent);
  border-color: color-mix(in srgb, var(--color-neutral-600) 18%, transparent);
}
.link-btn-ghost-dark:hover {
  color: var(--color-light);
  background: color-mix(in srgb, var(--color-neutral-600) 14%, transparent);
  border-color: color-mix(in srgb, var(--color-neutral-600) 30%, transparent);
}

.link-btn-ghost-light {
  color: var(--color-light);
  background: color-mix(in srgb, var(--color-light) 6%, transparent);
  border-color: color-mix(in srgb, var(--color-light) 18%, transparent);
}
.link-btn-ghost-light:hover {
  background: color-mix(in srgb, var(--color-light) 14%, transparent);
  border-color: color-mix(in srgb, var(--color-light) 30%, transparent);
}

/* Small variant */
.link-btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

/* ═══════════════════════════════
   LINK CARD (block clickable)
═══════════════════════════════ */
.link-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radius-lg, 12px);
  background: var(--color-dark-secondary);
  border: 1px solid color-mix(in srgb, var(--color-neutral-600) 20%, transparent);
  text-decoration: none;
  color: var(--color-light);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.18s;
}

.link-card:hover {
  border-color: color-mix(in srgb, var(--color-primary) 35%, transparent);
  background: color-mix(in srgb, var(--color-primary) 4%, var(--color-dark-secondary));
  transform: translateX(2px);
}

.link-card-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md, 8px);
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.link-card-body {
  flex: 1;
  min-width: 0;
}

.link-card-title {
  font-weight: 600;
  color: var(--color-light);
  margin-bottom: 2px;
}

.link-card-desc {
  font-size: 12px;
  color: var(--color-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.link-card-arrow {
  color: var(--color-muted);
  font-size: 16px;
  transition: transform 0.2s, color 0.18s;
}

.link-card:hover .link-card-arrow {
  transform: translateX(3px);
  color: var(--color-primary);
}

/* ═══════════════════════════════
   LINK LIST (nav-style list)
═══════════════════════════════ */
.link-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.link-list a,
.link-list .link-list-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-md, 8px);
  color: var(--color-muted);
  font-size: 14px;
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
  cursor: pointer;
}

.link-list a:hover,
.link-list .link-list-item:hover {
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
  color: var(--color-light);
}

.link-list a.is-active,
.link-list .link-list-item.is-active {
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-primary);
  font-weight: 500;
}