/* ═══════════════════════════════════════════════
   Phase 7 — Settings
   API endpoint, key, model, temp, tokens, font, language
   ═══════════════════════════════════════════════ */

#settings-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 300;
  align-items: center;
  justify-content: center;
}
#settings-overlay.open { display: flex; }

.settings-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 90%;
  max-width: 520px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
}

.settings-header, .settings-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
}
.settings-header {
  border-bottom: 1px solid var(--border);
  font-size: 16px;
  font-weight: 600;
}
#settings-close {
  background: none; border: none; color: var(--text-dim);
  font-size: 22px; cursor: pointer;
}
#settings-close:hover { color: var(--text); }

.settings-body {
  flex: 1;
  overflow-y: auto;
  padding: 8px 20px;
}

.setting-row {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.setting-row:last-child { border-bottom: none; }

.setting-row label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-bright);
  margin-bottom: 6px;
}

.setting-row input[type="text"],
.setting-row input[type="number"],
.setting-row select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  outline: none;
}
.setting-row input:focus,
.setting-row select:focus {
  border-color: var(--accent);
}
.setting-row select {
  cursor: pointer;
}

.range-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}
.range-wrap input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 3px;
  background: var(--border);
  outline: none;
}
.range-wrap input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--surface);
  box-shadow: var(--shadow);
}
.range-wrap input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--surface);
}
.range-wrap span {
  min-width: 36px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  font-family: var(--font-mono);
}

.setting-hint {
  display: block;
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 4px;
  opacity: .7;
}

.settings-footer {
  border-top: 1px solid var(--border);
}

.settings-btn {
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--surface-hover);
  color: var(--text);
  transition: all .2s;
}
.settings-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}
.settings-btn.primary {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}
.settings-btn.primary:hover {
  opacity: .9;
}

.settings-saved {
  font-size: 12px;
  color: var(--success);
  opacity: 0;
  transition: opacity .3s;
}
.settings-saved.show { opacity: 1; }

/* ── Font size applied to bubbles ── */
[data-font-size] .msg-bubble {
  font-size: var(--chat-font-size, 14px);
}