/* =========================================================
   html-entity-encoder.css  -  ChrysoKit HTML Entity Encoder
   Scoped under .hee-* so it never collides with site styles.
   ========================================================= */

/* ── Wrapper ─────────────────────────────────────────────── */
.hee-wrapper {
  position: relative;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ── Tabs ────────────────────────────────────────────────── */
.hee-tabs {
  display: flex;
  gap: 4px;
  background: var(--surface-2, #f5f0e8);
  border-radius: 12px 12px 0 0;
  padding: 6px 6px 0;
  border: 1px solid var(--border, #e0d5c0);
  border-bottom: none;
}

.hee-tab {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border: none;
  background: transparent;
  border-radius: 8px 8px 0 0;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted, #888);
  transition: background .15s, color .15s;
  white-space: nowrap;
}
.hee-tab svg { width: 15px; height: 15px; }
.hee-tab:hover {
  background: var(--surface-3, #ede7d8);
  color: var(--text, #333);
}
.hee-tab.active {
  background: var(--bg, #fff);
  color: var(--accent, #D4A373);
  box-shadow: 0 -2px 0 0 var(--accent, #D4A373) inset;
}

/* ── Panels ──────────────────────────────────────────────── */
.hee-panel {
  background: var(--bg, #fff);
  border: 1px solid var(--border, #e0d5c0);
  border-radius: 0 12px 12px 12px;
  padding: 1.25rem 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.hee-panel--hidden { display: none !important; }

/* ── Settings Bar ────────────────────────────────────────── */
.hee-settings {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  background: var(--surface-2, #f9f5ed);
  border: 1px solid var(--border, #e0d5c0);
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
}

.hee-fieldset {
  border: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.hee-fieldset legend {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted, #999);
  margin-bottom: 5px;
}
.hee-fieldset--checks {
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 14px;
}
.hee-fieldset--checks legend { width: 100%; }

.hee-radio, .hee-check {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  cursor: pointer;
  color: var(--text, #333);
  white-space: nowrap;
}
.hee-radio input, .hee-check input {
  accent-color: var(--accent, #D4A373);
  width: 14px;
  height: 14px;
  cursor: pointer;
}
.hee-hint {
  font-size: 0.72rem;
  color: var(--text-muted, #aaa);
  font-family: 'SFMono-Regular', Consolas, monospace;
}

/* ── IO Grid ─────────────────────────────────────────────── */
.hee-io-grid {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  gap: 0.75rem;
  align-items: start;
}

/* ── Pane ────────────────────────────────────────────────── */
.hee-pane {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border, #e0d5c0);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg, #fff);
}

.hee-pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 10px 7px 12px;
  background: var(--surface-2, #f9f5ed);
  border-bottom: 1px solid var(--border, #e0d5c0);
  gap: 8px;
}

.hee-pane-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted, #999);
}
.hee-pane-label svg { width: 13px; height: 13px; }

.hee-pane-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}

.hee-textarea {
  width: 100%;
  min-height: 220px;
  padding: 12px 14px;
  font-size: 0.84rem;
  font-family: 'SFMono-Regular', Consolas, 'Courier New', monospace;
  line-height: 1.6;
  background: var(--bg, #fff);
  color: var(--text, #333);
  border: none;
  resize: vertical;
  outline: none;
  box-sizing: border-box;
}
.hee-textarea:focus { background: var(--surface-focus, #fffdf9); }
.hee-textarea--output {
  background: var(--surface-2, #faf7f0);
  color: var(--text-muted2, #555);
}

.hee-pane-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 12px;
  background: var(--surface-2, #f9f5ed);
  border-top: 1px solid var(--border, #e0d5c0);
}

.hee-stat {
  font-size: 0.72rem;
  color: var(--text-muted, #aaa);
}
.hee-stat--entities {
  color: var(--accent, #D4A373);
  font-weight: 600;
}

/* ── Divider Column (centre) ─────────────────────────────── */
.hee-divider-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding-top: 40px;
}

.hee-convert-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 12px 10px;
  background: var(--accent, #D4A373);
  color: #fff;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  transition: background .15s, transform .1s;
  width: 62px;
}
.hee-convert-btn svg { width: 20px; height: 20px; }
.hee-convert-btn:hover { background: var(--accent-dark, #b8875a); transform: scale(1.04); }
.hee-convert-btn:active { transform: scale(.97); }

.hee-swap-btn {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border, #e0d5c0);
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-muted, #aaa);
  transition: border-color .15s, color .15s;
}
.hee-swap-btn svg { width: 16px; height: 16px; }
.hee-swap-btn:hover { border-color: var(--accent, #D4A373); color: var(--accent, #D4A373); }

/* ── Buttons ─────────────────────────────────────────────── */
.hee-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  transition: background .15s, border-color .15s, color .15s;
}
.hee-btn svg { width: 14px; height: 14px; }

.hee-btn--ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-muted, #aaa);
  padding: 5px 8px;
}
.hee-btn--ghost:hover {
  background: var(--surface-3, #ede7d8);
  color: var(--text, #333);
}

.hee-btn--primary {
  background: var(--accent, #D4A373);
  color: #fff;
  border-color: var(--accent, #D4A373);
}
.hee-btn--primary:hover { background: var(--accent-dark, #b8875a); border-color: var(--accent-dark, #b8875a); }

.hee-btn--secondary {
  background: transparent;
  color: var(--accent, #D4A373);
  border-color: var(--accent, #D4A373);
}
.hee-btn--secondary:hover {
  background: var(--accent-subtle, #faf3eb);
}
.hee-btn--secondary.is-active {
  background: var(--accent-subtle, #faf3eb);
  font-weight: 700;
}

/* ── Action Row ──────────────────────────────────────────── */
.hee-action-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── Reference Panel ─────────────────────────────────────── */
.hee-ref-toolbar {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hee-search {
  width: 100%;
  padding: 9px 14px;
  border: 1px solid var(--border, #e0d5c0);
  border-radius: 8px;
  font-size: 0.85rem;
  background: var(--bg, #fff);
  color: var(--text, #333);
  outline: none;
  box-sizing: border-box;
  transition: border-color .15s;
}
.hee-search:focus { border-color: var(--accent, #D4A373); }

.hee-ref-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.hee-filter-btn {
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--border, #e0d5c0);
  background: transparent;
  font-size: 0.76rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-muted, #888);
  transition: background .13s, border-color .13s, color .13s;
}
.hee-filter-btn:hover {
  background: var(--surface-2, #f9f5ed);
  color: var(--text, #333);
}
.hee-filter-btn.active {
  background: var(--accent, #D4A373);
  border-color: var(--accent, #D4A373);
  color: #fff;
}

.hee-ref-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border, #e0d5c0);
  border-radius: 10px;
  max-height: 520px;
  overflow-y: auto;
}

.hee-ref-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}
.hee-ref-table thead {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--surface-2, #f9f5ed);
}
.hee-ref-table th {
  padding: 9px 12px;
  text-align: left;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted, #aaa);
  border-bottom: 1px solid var(--border, #e0d5c0);
  white-space: nowrap;
}
.hee-ref-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-subtle, #f0eadc);
  vertical-align: middle;
  white-space: nowrap;
}
.hee-ref-table tr:last-child td { border-bottom: none; }
.hee-ref-table tbody tr:hover { background: var(--surface-2, #faf7f0); }

.ref-char {
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
}
.ref-code {
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 0.78rem;
  color: var(--accent-dark, #b8875a);
  background: var(--surface-3, #f5ede0);
  padding: 2px 6px;
  border-radius: 4px;
}
.ref-desc { color: var(--text-muted, #888); }

.hee-ref-copy {
  padding: 3px 8px;
  border: 1px solid var(--border, #e0d5c0);
  border-radius: 5px;
  background: transparent;
  font-size: 0.72rem;
  cursor: pointer;
  color: var(--text-muted, #aaa);
  transition: background .13s, color .13s;
}
.hee-ref-copy:hover {
  background: var(--accent, #D4A373);
  color: #fff;
  border-color: var(--accent, #D4A373);
}

.hee-ref-count {
  font-size: 0.75rem;
  color: var(--text-muted, #aaa);
  margin: 4px 0 0;
}

/* ── Toast ───────────────────────────────────────────────── */
.hee-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text, #333);
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  pointer-events: none;
  opacity: 0;
  transition: opacity .2s, transform .2s;
  z-index: 9999;
  white-space: nowrap;
}
.hee-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 700px) {
  .hee-io-grid {
    grid-template-columns: 1fr;
  }
  .hee-divider-col {
    flex-direction: row;
    justify-content: center;
    padding-top: 0;
  }
  .hee-convert-btn {
    flex-direction: row;
    width: auto;
    padding: 9px 16px;
  }
  .hee-tabs { overflow-x: auto; }
  .hee-settings { gap: 0.6rem; }
  .hee-panel { padding: 1rem 0.85rem; }
}

/* ── Dark-theme overrides ────────────────────────────────── */
[data-theme="dark"] .hee-tabs { background: #2a2318; border-color: #3d3020; }
[data-theme="dark"] .hee-tab.active { background: #1a1510; }
[data-theme="dark"] .hee-panel { background: #1a1510; border-color: #3d3020; }
[data-theme="dark"] .hee-settings { background: #211c13; border-color: #3d3020; }
[data-theme="dark"] .hee-pane { border-color: #3d3020; background: #1a1510; }
[data-theme="dark"] .hee-pane-header { background: #211c13; border-color: #3d3020; }
[data-theme="dark"] .hee-pane-footer { background: #211c13; border-color: #3d3020; }
[data-theme="dark"] .hee-textarea { background: #1a1510; color: #e8dcc8; }
[data-theme="dark"] .hee-textarea--output { background: #211c13; color: #c0b090; }
[data-theme="dark"] .hee-textarea:focus { background: #1e1a11; }
[data-theme="dark"] .hee-search { background: #1a1510; color: #e8dcc8; border-color: #3d3020; }
[data-theme="dark"] .hee-ref-table thead { background: #211c13; }
[data-theme="dark"] .hee-ref-table td { border-color: #2d2518; }
[data-theme="dark"] .hee-ref-table tbody tr:hover { background: #211c13; }
[data-theme="dark"] .hee-ref-table-wrap { border-color: #3d3020; }
[data-theme="dark"] .ref-code { background: #2d2010; color: #d4a060; }
[data-theme="dark"] .hee-toast { background: #e8dcc8; color: #1a1510; }
[data-theme="dark"] .hee-btn--ghost:hover { background: #2d2518; }
[data-theme="dark"] .hee-btn--secondary { border-color: #d4a060; color: #d4a060; }
[data-theme="dark"] .hee-btn--secondary:hover { background: #2a1e10; }
[data-theme="dark"] .hee-btn--secondary.is-active { background: #2a1e10; }
[data-theme="dark"] .hee-filter-btn { border-color: #3d3020; color: #a08060; }
[data-theme="dark"] .hee-filter-btn:hover { background: #2a2015; color: #e8dcc8; }
[data-theme="dark"] .hee-swap-btn { border-color: #3d3020; }
[data-theme="dark"] .hee-ref-copy { border-color: #3d3020; }

/* ── Utility ─────────────────────────────────────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}