/* Shared lodge primitives for configuration-heavy screens. Keep component
   classes under ds-* so pages can adopt the system without broad regressions. */

:root {
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --shadow-sm: 0 1px 2px rgba(48, 37, 24, 0.05), 0 4px 14px rgba(48, 37, 24, 0.04);
  --shadow-md: 0 18px 50px rgba(48, 37, 24, 0.12);
  --focus-ring: 0 0 0 3px rgba(201, 139, 42, 0.28);
  --success: #3a6644;
  --success-soft: #dce9df;
  --danger: #a84324;
  --danger-soft: #f4ddd4;
}

:where(a, button, input, select, textarea):focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
  box-shadow: var(--focus-ring);
}

.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;
}

.sidebar-nav-item {
  color: inherit;
  text-decoration: none;
}

.ds-page {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: var(--space-10);
}

.ds-page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.ds-eyebrow,
.settings-index-label {
  margin: 0 0 var(--space-2);
  color: var(--terra);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.ds-page-title {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 300;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.ds-page-description {
  max-width: 620px;
  margin: var(--space-2) 0 0;
  color: var(--ink-2);
  font-size: 15px;
}

.ds-page-actions {
  display: flex;
  align-items: center;
  min-height: 44px;
}

.ds-save-state {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 7px 11px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--ink-3);
  background: rgba(250, 247, 240, 0.72);
  font-family: var(--font-mono);
  font-size: 10px;
  transition: color .18s, border-color .18s, background .18s;
}

.ds-save-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(58, 102, 68, .12);
}

.ds-save-state.saving .ds-save-dot { animation: ds-pulse .8s ease-in-out infinite alternate; }
.ds-save-state.saved { color: var(--success); border-color: rgba(58, 102, 68, .32); background: var(--success-soft); }
.ds-save-state.error { color: var(--danger); border-color: rgba(168, 67, 36, .32); background: var(--danger-soft); }

@keyframes ds-pulse { to { opacity: .35; transform: scale(.75); } }

.ds-panel {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: rgba(250, 247, 240, 0.78);
  box-shadow: var(--shadow-sm);
}

.ds-panel + .ds-panel { margin-top: var(--space-5); }

.ds-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border);
}

.ds-panel-title {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 300;
  letter-spacing: -.01em;
}

.ds-panel-description {
  margin: var(--space-1) 0 0;
  color: var(--ink-3);
  font-size: 13px;
}

.ds-panel-body { padding: var(--space-6); }

.ds-pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--ink-3);
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .02em;
  white-space: nowrap;
}

.ds-pill-subtle { border-color: transparent; background: var(--bg); }

.ds-choice-group {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  min-width: 0;
  border: 0;
}

.ds-choice-card {
  position: relative;
  display: grid;
  grid-template-columns: auto auto 1fr;
  grid-template-areas: "indicator emoji copy" "meta meta meta";
  align-items: start;
  gap: var(--space-2) var(--space-3);
  min-width: 0;
  min-height: 132px;
  padding: var(--space-4);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  cursor: pointer;
  transition: transform .16s ease, border-color .16s ease, background .16s ease, box-shadow .16s ease;
}

.ds-choice-card:hover { transform: translateY(-1px); border-color: var(--border-2); box-shadow: var(--shadow-sm); }
.ds-choice-card:has(.ds-choice-input:checked) { border-color: var(--green); background: #f3f7f1; box-shadow: 0 0 0 1px rgba(58, 102, 68, .08); }
.ds-choice-card:has(.ds-choice-input:focus-visible) { outline: 2px solid var(--amber); outline-offset: 2px; box-shadow: var(--focus-ring); }
.ds-choice-card:not(:has(.ds-choice-meta)) { min-height: 92px; }
.ds-choice-card.disabled { cursor: default; opacity: .5; }
.ds-choice-card.disabled:hover { transform: none; border-color: var(--border); box-shadow: none; }

.ds-choice-input { position: absolute; opacity: 0; pointer-events: none; }
.ds-choice-indicator {
  grid-area: indicator;
  width: 16px;
  height: 16px;
  margin-top: 2px;
  border: 1.5px solid var(--border-2);
  border-radius: 50%;
  background: var(--surface-2);
  box-shadow: inset 0 0 0 3px var(--surface-2);
}
.ds-choice-input:checked + .ds-choice-indicator { border-color: var(--green); background: var(--green); }
.ds-choice-input:focus-visible + .ds-choice-indicator { outline: 2px solid var(--amber); outline-offset: 3px; }
.ds-choice-emoji { grid-area: emoji; font-size: 16px; line-height: 1.2; }
.ds-choice-copy { grid-area: copy; display: flex; min-width: 0; flex-direction: column; gap: var(--space-1); }
.ds-choice-title { color: var(--ink); font-family: var(--font-mono); font-size: 12px; font-weight: 600; }
.ds-choice-description { color: var(--ink-3); font-size: 12px; line-height: 1.45; }
.ds-choice-meta {
  grid-area: meta;
  align-self: end;
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--border);
  color: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 10px;
}

.ds-callout {
  display: flex;
  gap: var(--space-3);
  margin: var(--space-5) 0;
  padding: var(--space-4);
  border: 1px solid #dfc98f;
  border-radius: var(--radius-md);
  color: var(--ink-2);
  background: var(--amber-light);
}
.ds-callout-icon { font-size: 18px; }
.ds-callout strong { display: block; margin-bottom: 2px; color: var(--ink); font-size: 13px; }
.ds-callout p { margin: 0; font-size: 12px; }

.ds-field-list { margin: calc(var(--space-6) * -1); }
.ds-field {
  display: grid;
  grid-template-columns: minmax(160px, 1fr) minmax(240px, 1.25fr);
  align-items: center;
  gap: var(--space-6);
  min-height: 84px;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid var(--border);
}
.ds-field:last-child { border-bottom: 0; }
.ds-field:hover { background: rgba(245, 241, 232, .52); }
.ds-field-copy { min-width: 0; }
.ds-label { display: block; color: var(--ink); font-family: var(--font-mono); font-size: 12px; font-weight: 600; }
.ds-help { margin: var(--space-1) 0 0; color: var(--ink-3); font-size: 11px; }
.ds-field-control { min-width: 0; }
.ds-select-stack { display: flex; align-items: center; justify-content: flex-end; gap: var(--space-3); }
.ds-select {
  width: min(230px, 100%);
  height: 40px;
  padding: 0 34px 0 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--ink-2);
  background: var(--surface-2) url("data:image/svg+xml,%3Csvg width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%235C4D3C' stroke-width='2' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") no-repeat right 11px center;
  font-family: var(--font-mono);
  font-size: 11px;
  appearance: none;
  cursor: pointer;
}
.ds-select:hover { border-color: var(--border-2); }
.ds-select:disabled { cursor: wait; opacity: .58; }

.ds-empty { display: grid; justify-items: center; padding: var(--space-8); text-align: center; }
.ds-empty-icon { margin-bottom: var(--space-3); font-size: 30px; }
.ds-empty strong { color: var(--ink); font-family: var(--font-mono); font-size: 12px; }
.ds-empty p { margin: var(--space-1) 0 0; color: var(--ink-3); font-size: 12px; }

.ds-toast {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  z-index: 120;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  max-width: min(360px, calc(100vw - 32px));
  padding: 12px 15px;
  border: 1px solid rgba(58, 102, 68, .26);
  border-radius: var(--radius-md);
  color: var(--success);
  background: rgba(250, 247, 240, .96);
  box-shadow: var(--shadow-md);
  font-size: 12px;
  transform: translateY(18px);
  opacity: 0;
  pointer-events: none;
  transition: transform .22s ease, opacity .22s ease;
}
.ds-toast.visible { transform: translateY(0); opacity: 1; }
.ds-toast.error { color: var(--danger); border-color: rgba(168, 67, 36, .26); }
.ds-toast-icon { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--success-soft); font-weight: 700; }
.ds-toast.error .ds-toast-icon { background: var(--danger-soft); }

.settings-page { position: relative; }
.settings-page::before {
  content: "";
  position: fixed;
  z-index: -1;
  right: -120px;
  top: -150px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 139, 42, .13), rgba(201, 139, 42, 0) 68%);
  pointer-events: none;
}
.settings-layout { display: grid; grid-template-columns: 190px minmax(0, 1fr); align-items: start; gap: var(--space-8); }
.settings-index { position: sticky; top: var(--space-6); display: flex; flex-direction: column; gap: var(--space-1); }
.settings-index-label { padding: 0 var(--space-3); color: var(--ink-3); }
.ds-tab {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--ink-2);
  text-decoration: none;
}
.ds-tab span { font-family: var(--font-mono); font-size: 11px; font-weight: 600; }
.ds-tab small { color: var(--ink-3); font-size: 10px; }
.ds-tab.active { color: var(--ink); background: rgba(250, 247, 240, .78); box-shadow: inset 3px 0 var(--terra); }
.ds-tab.disabled { opacity: .5; cursor: default; }
.settings-content { min-width: 0; }

.ds-toggle { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); cursor: pointer; }
.ds-toggle-copy { display: flex; flex-direction: column; }
.ds-toggle input { position: absolute; opacity: 0; pointer-events: none; }
.ds-toggle-track {
  position: relative;
  flex: 0 0 auto;
  width: 42px;
  height: 24px;
  border: 1px solid var(--border-2);
  border-radius: 999px;
  background: var(--border);
  transition: background .16s, border-color .16s;
}
.ds-toggle-track span { position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: white; box-shadow: 0 1px 3px rgba(0,0,0,.2); transition: transform .16s; }
.ds-toggle input:checked + .ds-toggle-track { border-color: var(--green); background: var(--green); }
.ds-toggle input:checked + .ds-toggle-track span { transform: translateX(18px); }
.ds-toggle input:focus-visible + .ds-toggle-track { outline: 2px solid var(--amber); outline-offset: 2px; box-shadow: var(--focus-ring); }
.ds-toggle input:disabled + .ds-toggle-track { opacity: .55; cursor: not-allowed; }

.ds-dialog-header { align-items: flex-start; }
.ds-dialog-description { max-width: 330px; margin: var(--space-1) 0 0; color: var(--ink-3); font-size: 12px; }

@media (max-width: 1060px) {
  .ds-choice-group { grid-template-columns: 1fr; }
  .ds-choice-card { min-height: auto; }
}

@media (max-width: 900px) {
  .ds-page { padding: 64px var(--space-5) var(--space-8); }
  .ds-page-header { margin-bottom: var(--space-6); }
  .settings-layout { grid-template-columns: 1fr; gap: var(--space-4); }
  .settings-index { position: static; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); overflow-x: auto; }
  .settings-index-label { display: none; }
  .ds-tab { min-width: 135px; }
  .ds-tab.active { box-shadow: inset 0 -3px var(--terra); }
}

@media (max-width: 620px) {
  .ds-page { padding-left: var(--space-4); padding-right: var(--space-4); }
  .ds-page-header { display: block; }
  .ds-page-actions { margin-top: var(--space-4); }
  .ds-panel-header, .ds-panel-body { padding: var(--space-4); }
  .ds-panel-header { display: block; }
  .ds-panel-header .ds-pill { margin-top: var(--space-3); }
  .ds-field-list { margin: calc(var(--space-4) * -1); }
  .ds-field { grid-template-columns: 1fr; gap: var(--space-3); padding: var(--space-4); }
  .ds-select-stack { align-items: stretch; flex-direction: column; }
  .ds-select { width: 100%; }
  .ds-pill-subtle { align-self: flex-start; }
  .settings-index { grid-template-columns: repeat(3, 150px); }
  .ds-toast { right: var(--space-4); bottom: var(--space-4); }
}

@media (prefers-reduced-motion: reduce) {
  .ds-choice-card, .ds-toast { transition: none; }
  .ds-save-state.saving .ds-save-dot { animation: none; }
}

/* Settings: default models, one block of working styles per engine */
.settings-tier-harness { margin: var(--space-4) 0 0; }
.settings-tier-harness:first-child { margin-top: 0; }