/* ==========================================================================
   Reasoned Component Library · v1.0
   Every class here is a documented component. Consumes semantic tokens only.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
.rsn-root, .rsn-scope {
  font-family: var(--rsn-font-sans);
  font-size: var(--rsn-text-400);
  line-height: var(--rsn-leading-body);
  color: var(--rsn-text-primary);
  font-feature-settings: "ss01";
}
.rsn-scope *, .rsn-scope *::before, .rsn-scope *::after { box-sizing: border-box; }

/* [hidden] must always win, even against display rules on component classes */
[hidden] { display: none !important; }

.rsn-mono {
  font-family: var(--rsn-font-mono);
  font-size: 0.93em;
}

/* Focus — one ring everywhere */
.rsn-scope :focus-visible,
.rsn-focusable:focus-visible {
  outline: 2px solid var(--rsn-focus-ring);
  outline-offset: 1px;
  border-radius: var(--rsn-radius-sm);
}

/* --------------------------------------------------------------------------
   Icons (inline SVG, 16px default)
   -------------------------------------------------------------------------- */
.rsn-icon {
  width: 16px; height: 16px;
  flex: none;
  vertical-align: -3px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.rsn-icon--sm { width: 12px; height: 12px; vertical-align: -1.5px; }
.rsn-icon--lg { width: 20px; height: 20px; }

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.rsn-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  height: var(--rsn-size-control-md);
  padding: 0 var(--rsn-space-150);
  border-radius: var(--rsn-radius-md);
  border: 1px solid transparent;
  font-family: var(--rsn-font-sans);
  font-size: var(--rsn-text-400);
  font-weight: var(--rsn-weight-medium);
  line-height: 1;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  text-decoration: none;
  transition: background-color var(--rsn-duration-instant) var(--rsn-ease-standard),
              border-color var(--rsn-duration-instant) var(--rsn-ease-standard),
              color var(--rsn-duration-instant) var(--rsn-ease-standard);
}
.rsn-btn:disabled, .rsn-btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.5;
}

.rsn-btn--primary {
  background: var(--rsn-action-primary);
  color: var(--rsn-text-inverse);
}
.rsn-btn--primary:hover:not(:disabled) { background: var(--rsn-action-primary-hover); }
.rsn-btn--primary:active:not(:disabled) { background: var(--rsn-action-primary-active); }

.rsn-btn--secondary {
  background: var(--rsn-surface-raised);
  border-color: var(--rsn-border-default);
  color: var(--rsn-text-primary);
}
.rsn-btn--secondary:hover:not(:disabled) { border-color: var(--rsn-border-strong); background: var(--rsn-surface-hover); }

.rsn-btn--ghost {
  background: transparent;
  color: var(--rsn-text-secondary);
}
.rsn-btn--ghost:hover:not(:disabled) { background: var(--rsn-surface-hover); color: var(--rsn-text-primary); }

.rsn-btn--destructive {
  background: var(--rsn-status-critical);
  color: #fff;
}
.rsn-btn--destructive:hover:not(:disabled) { filter: brightness(0.92); }

/* Destructive-secondary: quiet until confirmed */
.rsn-btn--destructive-quiet {
  background: var(--rsn-surface-raised);
  border-color: var(--rsn-border-default);
  color: var(--rsn-status-critical-text);
}
.rsn-btn--destructive-quiet:hover:not(:disabled) {
  border-color: var(--rsn-status-critical);
  background: var(--rsn-status-critical-surface);
}

/* AI action — machine-originated actions only, never decorative */
.rsn-btn--ai {
  background: var(--rsn-ai-surface);
  border-color: var(--rsn-ai-border);
  color: var(--rsn-ai-text);
}
.rsn-btn--ai:hover:not(:disabled) { border-color: var(--rsn-ai-accent); }

.rsn-btn--sm { height: var(--rsn-size-control-sm); padding: 0 var(--rsn-space-100); font-size: var(--rsn-text-300); }
.rsn-btn--lg { height: var(--rsn-size-control-lg); padding: 0 var(--rsn-space-200); }
.rsn-btn--icon { width: var(--rsn-size-control-md); padding: 0; }
.rsn-btn--icon.rsn-btn--sm { width: var(--rsn-size-control-sm); }

.rsn-btn .rsn-spinner { margin-right: 2px; }

/* Button group / segmented control */
.rsn-segmented {
  display: inline-flex;
  background: var(--rsn-surface-sunken);
  border: 1px solid var(--rsn-border-subtle);
  border-radius: var(--rsn-radius-md);
  padding: 2px;
  gap: 2px;
}
.rsn-segmented__option {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 var(--rsn-space-150);
  border: none;
  border-radius: 4px;
  background: transparent;
  font-family: var(--rsn-font-sans);
  font-size: var(--rsn-text-300);
  font-weight: var(--rsn-weight-medium);
  color: var(--rsn-text-secondary);
  cursor: pointer;
  transition: all var(--rsn-duration-instant) var(--rsn-ease-standard);
}
.rsn-segmented__option:hover { color: var(--rsn-text-primary); }
.rsn-segmented__option[aria-pressed="true"],
.rsn-segmented__option[aria-selected="true"] {
  background: var(--rsn-surface-raised);
  color: var(--rsn-text-primary);
  box-shadow: var(--rsn-shadow-raised);
}

/* --------------------------------------------------------------------------
   Inputs
   -------------------------------------------------------------------------- */
.rsn-field { display: flex; flex-direction: column; gap: 6px; }
.rsn-label {
  font-size: var(--rsn-text-300);
  font-weight: var(--rsn-weight-medium);
  color: var(--rsn-text-primary);
}
.rsn-label__optional { color: var(--rsn-text-muted); font-weight: var(--rsn-weight-regular); }
.rsn-help {
  font-size: var(--rsn-text-200);
  color: var(--rsn-text-muted);
  line-height: 1.4;
}
.rsn-error-text {
  display: flex; align-items: center; gap: 4px;
  font-size: var(--rsn-text-200);
  color: var(--rsn-status-critical-text);
}
.rsn-warn-text {
  display: flex; align-items: center; gap: 4px;
  font-size: var(--rsn-text-200);
  color: var(--rsn-status-warning-text);
}

.rsn-input, .rsn-select, .rsn-textarea {
  width: 100%;
  height: var(--rsn-size-control-md);
  padding: 0 var(--rsn-space-150);
  background: var(--rsn-surface-raised);
  border: 1px solid var(--rsn-border-default);
  border-radius: var(--rsn-radius-md);
  font-family: var(--rsn-font-sans);
  font-size: var(--rsn-text-400);
  color: var(--rsn-text-primary);
  transition: border-color var(--rsn-duration-instant) var(--rsn-ease-standard);
}
.rsn-textarea { height: auto; min-height: 72px; padding: var(--rsn-space-100) var(--rsn-space-150); resize: vertical; line-height: var(--rsn-leading-body); }
.rsn-input::placeholder, .rsn-textarea::placeholder { color: var(--rsn-text-muted); }
.rsn-input:hover, .rsn-select:hover, .rsn-textarea:hover { border-color: var(--rsn-border-strong); }
.rsn-input:focus, .rsn-select:focus, .rsn-textarea:focus {
  outline: 2px solid var(--rsn-focus-ring);
  outline-offset: -1px;
  border-color: var(--rsn-focus-ring);
}
.rsn-input[aria-invalid="true"], .rsn-textarea[aria-invalid="true"], .rsn-select[aria-invalid="true"] {
  border-color: var(--rsn-status-critical);
}
.rsn-input:disabled, .rsn-select:disabled, .rsn-textarea:disabled {
  background: var(--rsn-surface-sunken);
  color: var(--rsn-text-disabled);
  cursor: not-allowed;
}
.rsn-input:read-only:not(:disabled) { background: var(--rsn-surface-sunken); }

/* Input with leading icon / trailing affix */
.rsn-input-wrap { position: relative; display: flex; align-items: center; }
.rsn-input-wrap .rsn-icon--lead {
  position: absolute; left: 10px;
  color: var(--rsn-text-muted);
  pointer-events: none;
}
.rsn-input-wrap .rsn-input { padding-left: 32px; }
.rsn-input-wrap--affix .rsn-input { padding-right: 60px; }
.rsn-input__affix {
  position: absolute; right: 10px;
  font-size: var(--rsn-text-200);
  color: var(--rsn-text-muted);
  pointer-events: none;
}

/* Checkbox & radio */
.rsn-check, .rsn-radio {
  display: inline-flex;
  align-items: flex-start;
  gap: var(--rsn-space-100);
  cursor: pointer;
  font-size: var(--rsn-text-400);
}
.rsn-check input, .rsn-radio input {
  appearance: none;
  width: 16px; height: 16px;
  margin: 2px 0 0;
  flex: none;
  border: 1px solid var(--rsn-border-strong);
  background: var(--rsn-surface-raised);
  cursor: pointer;
  transition: all var(--rsn-duration-instant) var(--rsn-ease-standard);
}
.rsn-check input { border-radius: var(--rsn-radius-sm); }
.rsn-radio input { border-radius: 50%; }
.rsn-check input:checked, .rsn-radio input:checked {
  background: var(--rsn-action-primary);
  border-color: var(--rsn-action-primary);
}
.rsn-check input:checked {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5 6.8 11 12 5.5' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.rsn-check input:indeterminate {
  background: var(--rsn-action-primary);
  border-color: var(--rsn-action-primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 8h7' fill='none' stroke='white' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
}
.rsn-radio input:checked {
  box-shadow: inset 0 0 0 4px var(--rsn-surface-raised);
}

/* Switch */
.rsn-switch {
  display: inline-flex; align-items: center; gap: var(--rsn-space-100);
  cursor: pointer; font-size: var(--rsn-text-400);
}
.rsn-switch input {
  appearance: none;
  width: 32px; height: 18px; flex: none;
  border-radius: var(--rsn-radius-full);
  background: var(--rsn-border-strong);
  position: relative;
  cursor: pointer;
  transition: background var(--rsn-duration-fast) var(--rsn-ease-standard);
}
.rsn-switch input::after {
  content: "";
  position: absolute;
  top: 2px; left: 2px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #fff;
  transition: transform var(--rsn-duration-fast) var(--rsn-ease-standard);
}
.rsn-switch input:checked { background: var(--rsn-action-primary); }
.rsn-switch input:checked::after { transform: translateX(14px); }

/* --------------------------------------------------------------------------
   Badges · status dots · chips
   -------------------------------------------------------------------------- */
.rsn-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  height: 20px;
  padding: 0 var(--rsn-space-100);
  border-radius: var(--rsn-radius-sm);
  font-size: var(--rsn-text-200);
  font-weight: var(--rsn-weight-medium);
  line-height: 1;
  white-space: nowrap;
}
.rsn-badge--success  { background: var(--rsn-status-success-surface);  color: var(--rsn-status-success-text); }
.rsn-badge--warning  { background: var(--rsn-status-warning-surface);  color: var(--rsn-status-warning-text); }
.rsn-badge--critical { background: var(--rsn-status-critical-surface); color: var(--rsn-status-critical-text); }
.rsn-badge--info     { background: var(--rsn-status-info-surface);     color: var(--rsn-status-info-text); }
.rsn-badge--neutral  { background: var(--rsn-status-neutral-surface);  color: var(--rsn-status-neutral-text); }
.rsn-badge--ai       { background: var(--rsn-ai-surface);              color: var(--rsn-ai-text); }

.rsn-dot {
  width: 7px; height: 7px; flex: none;
  border-radius: 50%;
  display: inline-block;
}
.rsn-dot--success  { background: var(--rsn-status-success); }
.rsn-dot--warning  { background: var(--rsn-status-warning); }
.rsn-dot--critical { background: var(--rsn-status-critical); }
.rsn-dot--info     { background: var(--rsn-status-info); }
.rsn-dot--neutral  { background: var(--rsn-status-neutral); }
.rsn-dot--ai       { background: var(--rsn-ai-accent); }

/* Status text pair: dot + label, for tables */
.rsn-status {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: inherit; white-space: nowrap;
}

/* Removable filter chip */
.rsn-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 24px;
  padding: 0 6px 0 10px;
  background: var(--rsn-action-selected-bg);
  border: 1px solid transparent;
  border-radius: var(--rsn-radius-full);
  font-size: var(--rsn-text-200);
  font-weight: var(--rsn-weight-medium);
  color: var(--rsn-text-primary);
  white-space: nowrap;
}
.rsn-chip__remove {
  display: inline-flex; align-items: center; justify-content: center;
  width: 16px; height: 16px;
  border: none; border-radius: 50%;
  background: transparent;
  color: var(--rsn-text-secondary);
  cursor: pointer;
}
.rsn-chip__remove:hover { background: rgba(0,0,0,0.08); color: var(--rsn-text-primary); }
[data-theme="dark"] .rsn-chip__remove:hover { background: rgba(255,255,255,0.12); }

/* --------------------------------------------------------------------------
   Attribution — the provenance primitive
   -------------------------------------------------------------------------- */
.rsn-avatar {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; flex: none;
  border-radius: 50%;
  background: var(--rsn-surface-sunken);
  border: 1px solid var(--rsn-border-subtle);
  font-size: 10px;
  font-weight: var(--rsn-weight-semibold);
  color: var(--rsn-text-secondary);
  letter-spacing: 0.02em;
  user-select: none;
}
.rsn-avatar--sm { width: 20px; height: 20px; font-size: 9px; }
.rsn-avatar--lg { width: 32px; height: 32px; font-size: 12px; }
.rsn-avatar--agent {
  background: var(--rsn-ai-surface);
  border-color: var(--rsn-ai-border);
  color: var(--rsn-ai-accent);
}
.rsn-avatar--deactivated { opacity: 0.55; filter: grayscale(1); }

.rsn-attribution {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--rsn-text-200);
  color: var(--rsn-text-muted);
  white-space: nowrap;
  cursor: pointer;
  border: none; background: none; padding: 2px 4px;
  border-radius: var(--rsn-radius-sm);
}
.rsn-attribution:hover { background: var(--rsn-surface-hover); color: var(--rsn-text-secondary); }
.rsn-attribution--ai { color: var(--rsn-ai-text); }
.rsn-attribution--ai:hover { background: var(--rsn-ai-surface); }

/* --------------------------------------------------------------------------
   Cards · panels · stat tiles
   -------------------------------------------------------------------------- */
.rsn-card {
  background: var(--rsn-surface-raised);
  border: 1px solid var(--rsn-border-subtle);
  border-radius: var(--rsn-radius-lg);
  box-shadow: var(--rsn-shadow-raised);
}
.rsn-card__header {
  display: flex; align-items: center; justify-content: space-between; gap: var(--rsn-space-200);
  padding: var(--rsn-space-200) var(--rsn-space-250);
  border-bottom: 1px solid var(--rsn-border-subtle);
}
.rsn-card__title {
  font-size: var(--rsn-text-500);
  font-weight: var(--rsn-weight-semibold);
  margin: 0;
}
.rsn-card__body { padding: var(--rsn-space-250); }
.rsn-card__footer {
  display: flex; align-items: center; gap: var(--rsn-space-100);
  padding: var(--rsn-space-150) var(--rsn-space-250);
  border-top: 1px solid var(--rsn-border-subtle);
}
.rsn-card--interactive { cursor: pointer; transition: border-color var(--rsn-duration-instant) var(--rsn-ease-standard); }
.rsn-card--interactive:hover { border-color: var(--rsn-border-strong); }
.rsn-card--selected { border-color: var(--rsn-action-selected-border); box-shadow: 0 0 0 1px var(--rsn-action-selected-border); }

.rsn-stat {
  display: flex; flex-direction: column; gap: 2px;
  padding: var(--rsn-space-200) var(--rsn-space-250);
}
.rsn-stat__label {
  font-size: var(--rsn-text-200);
  font-weight: var(--rsn-weight-medium);
  color: var(--rsn-text-secondary);
}
.rsn-stat__value {
  font-size: var(--rsn-text-800);
  font-weight: var(--rsn-weight-bold);
  line-height: var(--rsn-leading-tight);
  font-variant-numeric: tabular-nums;
}
.rsn-stat__delta { font-size: var(--rsn-text-200); color: var(--rsn-text-muted); }
.rsn-stat__delta--up { color: var(--rsn-status-success-text); }
.rsn-stat__delta--down { color: var(--rsn-status-critical-text); }

/* Key-value list (detail panels) */
.rsn-kv { display: grid; grid-template-columns: minmax(120px, 38%) 1fr; row-gap: var(--rsn-space-150); column-gap: var(--rsn-space-200); font-size: var(--rsn-text-300); }
.rsn-kv dt { color: var(--rsn-text-muted); font-weight: var(--rsn-weight-regular); margin: 0; }
.rsn-kv dd { color: var(--rsn-text-primary); margin: 0; }

/* --------------------------------------------------------------------------
   Callouts · banners
   -------------------------------------------------------------------------- */
.rsn-banner {
  display: flex; gap: var(--rsn-space-150);
  padding: var(--rsn-space-150) var(--rsn-space-200);
  border-radius: var(--rsn-radius-md);
  border: 1px solid;
  font-size: var(--rsn-text-300);
  line-height: 1.45;
}
.rsn-banner .rsn-icon { margin-top: 1px; }
.rsn-banner--info     { background: var(--rsn-status-info-surface);     border-color: transparent; color: var(--rsn-status-info-text); }
.rsn-banner--success  { background: var(--rsn-status-success-surface);  border-color: transparent; color: var(--rsn-status-success-text); }
.rsn-banner--warning  { background: var(--rsn-status-warning-surface);  border-color: transparent; color: var(--rsn-status-warning-text); }
.rsn-banner--critical { background: var(--rsn-status-critical-surface); border-color: transparent; color: var(--rsn-status-critical-text); }
.rsn-banner--ai       { background: var(--rsn-ai-surface);              border-color: var(--rsn-ai-border); color: var(--rsn-text-primary); }
.rsn-banner__title { font-weight: var(--rsn-weight-semibold); }
.rsn-banner__body { color: var(--rsn-text-primary); }
.rsn-banner__actions { display: flex; gap: var(--rsn-space-100); margin-top: var(--rsn-space-100); }

/* --------------------------------------------------------------------------
   Tables
   -------------------------------------------------------------------------- */
.rsn-table-shell {
  background: var(--rsn-surface-raised);
  border: 1px solid var(--rsn-border-subtle);
  border-radius: var(--rsn-radius-lg);
  overflow: hidden;
}
.rsn-table-toolbar {
  display: flex; align-items: center; gap: var(--rsn-space-150);
  padding: var(--rsn-space-150) var(--rsn-space-200);
  border-bottom: 1px solid var(--rsn-border-subtle);
  flex-wrap: wrap;
}
.rsn-table-toolbar__spacer { flex: 1; }
.rsn-table-toolbar__count {
  font-size: var(--rsn-text-200);
  color: var(--rsn-text-muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.rsn-table-scroll { overflow-x: auto; }

.rsn-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--rsn-text-300);
  line-height: var(--rsn-leading-data);
}
.rsn-table th {
  height: 36px;
  padding: 0 var(--rsn-space-150);
  text-align: left;
  font-size: var(--rsn-text-100);
  font-weight: var(--rsn-weight-semibold);
  letter-spacing: var(--rsn-tracking-wide);
  text-transform: uppercase;
  color: var(--rsn-text-muted);
  border-bottom: 1px solid var(--rsn-border-subtle);
  background: var(--rsn-surface-raised);
  white-space: nowrap;
  user-select: none;
}
.rsn-table--sticky-header thead th {
  position: sticky; top: 0;
  z-index: 2;
  box-shadow: inset 0 -1px 0 var(--rsn-border-subtle);
  border-bottom: none;
}
.rsn-table td {
  height: var(--rsn-row-default);
  padding: var(--rsn-space-100) var(--rsn-space-150);
  border-bottom: 1px solid var(--rsn-border-subtle);
  vertical-align: middle;
}
.rsn-table tbody tr:last-child td { border-bottom: none; }
.rsn-table tbody tr { transition: background-color var(--rsn-duration-instant) linear; }
.rsn-table tbody tr:hover { background: var(--rsn-surface-hover); }
.rsn-table tbody tr[aria-selected="true"] { background: var(--rsn-action-selected-bg); }
.rsn-table tbody tr[aria-selected="true"] td:first-child { box-shadow: inset 2px 0 0 var(--rsn-action-selected-border); }

.rsn-table--compact td { height: var(--rsn-row-compact); padding-top: var(--rsn-space-50); padding-bottom: var(--rsn-space-50); }
.rsn-table--relaxed td { height: var(--rsn-row-relaxed); }

.rsn-table .is-num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.rsn-table th.is-num { text-align: right; }
.rsn-table .is-select { width: 40px; padding-right: 0; }
.rsn-table .is-actions { width: 72px; text-align: right; }

/* Sortable header */
.rsn-th-sort {
  display: inline-flex; align-items: center; gap: 4px;
  border: none; background: none; padding: 0;
  font: inherit; letter-spacing: inherit; text-transform: inherit; color: inherit;
  cursor: pointer;
}
.rsn-th-sort:hover { color: var(--rsn-text-primary); }
.rsn-th-sort .rsn-icon--sm { opacity: 0; transition: opacity var(--rsn-duration-instant) linear; }
.rsn-th-sort:hover .rsn-icon--sm { opacity: 0.5; }
th[aria-sort] .rsn-th-sort .rsn-icon--sm { opacity: 1; }

/* Row primary link */
.rsn-table .rsn-row-id {
  font-family: var(--rsn-font-mono);
  font-size: var(--rsn-text-200);
  color: var(--rsn-text-muted);
  white-space: nowrap;
}
.rsn-table .rsn-row-link {
  color: var(--rsn-text-primary);
  font-weight: var(--rsn-weight-medium);
  text-decoration: none;
}
.rsn-table .rsn-row-link:hover { color: var(--rsn-text-link); text-decoration: underline; }

/* Row actions fade in on hover, always visible on focus */
.rsn-row-actions { display: inline-flex; gap: 2px; opacity: 0; transition: opacity var(--rsn-duration-instant) linear; }
tr:hover .rsn-row-actions, tr:focus-within .rsn-row-actions { opacity: 1; }

/* Cell value semantics: empty vs N/A vs no permission */
.rsn-cell-empty::before { content: "—"; color: var(--rsn-text-disabled); }
.rsn-cell-na {
  font-size: var(--rsn-text-200);
  color: var(--rsn-text-muted);
  font-style: italic;
}
.rsn-cell-masked {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: var(--rsn-text-200);
  color: var(--rsn-text-muted);
  background: var(--rsn-surface-sunken);
  border-radius: var(--rsn-radius-sm);
  padding: 2px 8px;
}

/* Bulk action bar */
.rsn-bulkbar {
  display: flex; align-items: center; gap: var(--rsn-space-150);
  padding: var(--rsn-space-100) var(--rsn-space-200);
  background: var(--rsn-action-selected-bg);
  border-bottom: 1px solid var(--rsn-border-subtle);
  font-size: var(--rsn-text-300);
}
.rsn-bulkbar__count { font-weight: var(--rsn-weight-semibold); font-variant-numeric: tabular-nums; }

/* Table footer / pagination */
.rsn-table-footer {
  display: flex; align-items: center; gap: var(--rsn-space-200);
  padding: var(--rsn-space-100) var(--rsn-space-200);
  border-top: 1px solid var(--rsn-border-subtle);
  font-size: var(--rsn-text-200);
  color: var(--rsn-text-muted);
}
.rsn-table-footer__spacer { flex: 1; }
.rsn-pager { display: inline-flex; align-items: center; gap: 2px; }
.rsn-pager__btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 26px; height: 26px; padding: 0 6px;
  border: none; border-radius: var(--rsn-radius-sm);
  background: transparent;
  font-family: var(--rsn-font-sans);
  font-size: var(--rsn-text-200);
  font-variant-numeric: tabular-nums;
  color: var(--rsn-text-secondary);
  cursor: pointer;
}
.rsn-pager__btn:hover:not(:disabled) { background: var(--rsn-surface-hover); color: var(--rsn-text-primary); }
.rsn-pager__btn[aria-current="page"] {
  background: var(--rsn-action-selected-bg);
  color: var(--rsn-text-link);
  font-weight: var(--rsn-weight-semibold);
}
.rsn-pager__btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* --------------------------------------------------------------------------
   Tabs
   -------------------------------------------------------------------------- */
.rsn-tabs {
  display: flex; gap: var(--rsn-space-50);
  border-bottom: 1px solid var(--rsn-border-subtle);
}
.rsn-tab {
  position: relative;
  display: inline-flex; align-items: center; gap: 6px;
  height: 38px;
  padding: 0 var(--rsn-space-150);
  border: none; background: none;
  font-family: var(--rsn-font-sans);
  font-size: var(--rsn-text-400);
  font-weight: var(--rsn-weight-medium);
  color: var(--rsn-text-secondary);
  cursor: pointer;
}
.rsn-tab:hover { color: var(--rsn-text-primary); }
.rsn-tab[aria-selected="true"] { color: var(--rsn-text-primary); }
.rsn-tab[aria-selected="true"]::after {
  content: "";
  position: absolute; left: var(--rsn-space-100); right: var(--rsn-space-100); bottom: -1px;
  height: 2px;
  background: var(--rsn-action-primary);
  border-radius: 1px;
}
.rsn-tab__count {
  font-size: var(--rsn-text-200);
  color: var(--rsn-text-muted);
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   Breadcrumbs
   -------------------------------------------------------------------------- */
.rsn-breadcrumbs {
  display: flex; align-items: center; gap: 6px;
  font-size: var(--rsn-text-200);
  color: var(--rsn-text-muted);
}
.rsn-breadcrumbs a { color: var(--rsn-text-muted); text-decoration: none; }
.rsn-breadcrumbs a:hover { color: var(--rsn-text-link); text-decoration: underline; }
.rsn-breadcrumbs .rsn-icon--sm { opacity: 0.6; }

/* --------------------------------------------------------------------------
   Menus · popovers · tooltips
   -------------------------------------------------------------------------- */
.rsn-menu {
  min-width: 180px;
  background: var(--rsn-surface-overlay);
  border: 1px solid var(--rsn-border-subtle);
  border-radius: var(--rsn-radius-lg);
  box-shadow: var(--rsn-shadow-overlay);
  padding: var(--rsn-space-50);
  z-index: var(--rsn-layer-overlay);
}
.rsn-menu__item {
  display: flex; align-items: center; gap: var(--rsn-space-100);
  width: 100%;
  padding: 7px var(--rsn-space-100);
  border: none; border-radius: var(--rsn-radius-md);
  background: none;
  font-family: var(--rsn-font-sans);
  font-size: var(--rsn-text-300);
  color: var(--rsn-text-primary);
  text-align: left;
  cursor: pointer;
  text-decoration: none;
}
.rsn-menu__item:hover { background: var(--rsn-surface-hover); }
.rsn-menu__item--destructive { color: var(--rsn-status-critical-text); }
.rsn-menu__item:disabled { color: var(--rsn-text-disabled); cursor: not-allowed; }
.rsn-menu__divider { height: 1px; margin: var(--rsn-space-50) 0; background: var(--rsn-border-subtle); border: none; }
.rsn-menu__heading {
  padding: 6px var(--rsn-space-100) 2px;
  font-size: var(--rsn-text-100);
  font-weight: var(--rsn-weight-semibold);
  letter-spacing: var(--rsn-tracking-wide);
  text-transform: uppercase;
  color: var(--rsn-text-muted);
}

.rsn-popover {
  max-width: 360px;
  background: var(--rsn-surface-overlay);
  border: 1px solid var(--rsn-border-subtle);
  border-radius: var(--rsn-radius-lg);
  box-shadow: var(--rsn-shadow-overlay);
  z-index: var(--rsn-layer-overlay);
}

.rsn-tooltip {
  padding: 5px 9px;
  background: var(--rsn-surface-inverse);
  color: var(--rsn-text-inverse);
  border-radius: var(--rsn-radius-md);
  font-size: var(--rsn-text-200);
  line-height: 1.4;
  max-width: 280px;
  z-index: var(--rsn-layer-tooltip);
  box-shadow: var(--rsn-shadow-overlay);
}

/* --------------------------------------------------------------------------
   Modal · side panel
   -------------------------------------------------------------------------- */
.rsn-scrim {
  position: fixed; inset: 0;
  background: rgba(17, 22, 28, 0.45);
  z-index: var(--rsn-layer-modal);
  display: flex; align-items: center; justify-content: center;
  padding: var(--rsn-space-400);
}
[data-theme="dark"] .rsn-scrim { background: rgba(0, 0, 0, 0.6); }

.rsn-modal {
  width: 480px; max-width: 100%;
  max-height: calc(100vh - 96px);
  display: flex; flex-direction: column;
  background: var(--rsn-surface-overlay);
  border-radius: var(--rsn-radius-lg);
  box-shadow: var(--rsn-shadow-modal);
  overflow: hidden;
}
.rsn-modal--wide { width: 720px; }
.rsn-modal__header {
  display: flex; align-items: center; justify-content: space-between; gap: var(--rsn-space-200);
  padding: var(--rsn-space-250) var(--rsn-space-300) 0;
}
.rsn-modal__title { font-size: var(--rsn-text-600); font-weight: var(--rsn-weight-semibold); margin: 0; }
.rsn-modal__body { padding: var(--rsn-space-200) var(--rsn-space-300); overflow-y: auto; }
.rsn-modal__footer {
  display: flex; justify-content: flex-end; gap: var(--rsn-space-100);
  padding: var(--rsn-space-200) var(--rsn-space-300);
  border-top: 1px solid var(--rsn-border-subtle);
}

.rsn-panel {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: 440px; max-width: 92vw;
  display: flex; flex-direction: column;
  background: var(--rsn-surface-overlay);
  border-left: 1px solid var(--rsn-border-subtle);
  box-shadow: var(--rsn-shadow-modal);
  z-index: var(--rsn-layer-panel);
}
.rsn-panel__header {
  display: flex; align-items: flex-start; justify-content: space-between; gap: var(--rsn-space-200);
  padding: var(--rsn-space-250) var(--rsn-space-300);
  border-bottom: 1px solid var(--rsn-border-subtle);
}
.rsn-panel__body { flex: 1; overflow-y: auto; padding: var(--rsn-space-250) var(--rsn-space-300); }
.rsn-panel__footer {
  display: flex; gap: var(--rsn-space-100);
  padding: var(--rsn-space-200) var(--rsn-space-300);
  border-top: 1px solid var(--rsn-border-subtle);
}

/* --------------------------------------------------------------------------
   Toasts
   -------------------------------------------------------------------------- */
.rsn-toast {
  display: flex; align-items: flex-start; gap: var(--rsn-space-150);
  width: 360px;
  padding: var(--rsn-space-150) var(--rsn-space-200);
  background: var(--rsn-surface-inverse);
  color: var(--rsn-text-inverse);
  border-radius: var(--rsn-radius-lg);
  box-shadow: var(--rsn-shadow-modal);
  font-size: var(--rsn-text-300);
  z-index: var(--rsn-layer-toast);
}
.rsn-toast__action {
  border: none; background: none; padding: 0;
  color: inherit;
  font: inherit; font-weight: var(--rsn-weight-semibold);
  text-decoration: underline;
  cursor: pointer;
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Progress · spinners · skeletons
   -------------------------------------------------------------------------- */
.rsn-progress {
  width: 100%; height: 6px;
  background: var(--rsn-surface-sunken);
  border-radius: var(--rsn-radius-full);
  overflow: hidden;
}
.rsn-progress__fill {
  height: 100%;
  background: var(--rsn-action-primary);
  border-radius: var(--rsn-radius-full);
  transition: width var(--rsn-duration-base) var(--rsn-ease-standard);
}
.rsn-progress__fill--success { background: var(--rsn-status-success); }
.rsn-progress__fill--warning { background: var(--rsn-status-warning); }
.rsn-progress__fill--critical { background: var(--rsn-status-critical); }

.rsn-spinner {
  width: 14px; height: 14px; flex: none;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: rsn-spin 0.7s linear infinite;
  opacity: 0.8;
}
@keyframes rsn-spin { to { transform: rotate(360deg); } }

.rsn-skeleton {
  display: block;
  height: 12px;
  border-radius: var(--rsn-radius-sm);
  background: linear-gradient(90deg, var(--rsn-surface-sunken) 25%, var(--rsn-border-subtle) 50%, var(--rsn-surface-sunken) 75%);
  background-size: 200% 100%;
  animation: rsn-shimmer 1.4s ease infinite;
}
@keyframes rsn-shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

@media (prefers-reduced-motion: reduce) {
  .rsn-skeleton { animation: none; background: var(--rsn-surface-sunken); }
  .rsn-spinner { animation-duration: 1.6s; }
}

/* --------------------------------------------------------------------------
   Empty states
   -------------------------------------------------------------------------- */
.rsn-empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--rsn-space-100);
  padding: var(--rsn-space-600) var(--rsn-space-400);
  text-align: center;
}
.rsn-empty__icon {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--rsn-surface-sunken);
  color: var(--rsn-text-muted);
  margin-bottom: var(--rsn-space-50);
}
.rsn-empty__title { font-size: var(--rsn-text-500); font-weight: var(--rsn-weight-semibold); margin: 0; }
.rsn-empty__body { font-size: var(--rsn-text-300); color: var(--rsn-text-secondary); max-width: 380px; margin: 0; }
.rsn-empty__actions { display: flex; gap: var(--rsn-space-100); margin-top: var(--rsn-space-150); }

/* --------------------------------------------------------------------------
   Wizard / stepper
   -------------------------------------------------------------------------- */
.rsn-stepper { display: flex; gap: var(--rsn-space-100); }
.rsn-step {
  flex: 1;
  display: flex; flex-direction: column; gap: 6px;
  padding-top: var(--rsn-space-100);
  border-top: 3px solid var(--rsn-border-subtle);
  font-size: var(--rsn-text-200);
  color: var(--rsn-text-muted);
  min-width: 0;
}
.rsn-step--done { border-top-color: var(--rsn-status-success); }
.rsn-step--active { border-top-color: var(--rsn-action-primary); color: var(--rsn-text-primary); }
.rsn-step--error { border-top-color: var(--rsn-status-critical); }
.rsn-step__label { font-weight: var(--rsn-weight-medium); display: flex; align-items: center; gap: 5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rsn-step__meta { font-size: var(--rsn-text-100); }

/* --------------------------------------------------------------------------
   Intelligence layer — AI components
   -------------------------------------------------------------------------- */

/* The spark glyph is drawn via .rsn-icon; this class only asserts color */
.rsn-spark { color: var(--rsn-ai-accent); }

/* Autonomy level tag */
.rsn-autonomy {
  display: inline-flex; align-items: center; gap: 5px;
  height: 20px; padding: 0 var(--rsn-space-100);
  border-radius: var(--rsn-radius-sm);
  background: var(--rsn-ai-surface);
  border: 1px solid var(--rsn-ai-border);
  font-family: var(--rsn-font-mono);
  font-size: var(--rsn-text-100);
  font-weight: var(--rsn-weight-medium);
  color: var(--rsn-ai-text);
  letter-spacing: 0.02em;
}

/* Confidence — word bands, never naked percentages */
.rsn-confidence {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: var(--rsn-text-200);
  color: var(--rsn-text-secondary);
}
.rsn-confidence__bars { display: inline-flex; gap: 2px; align-items: flex-end; }
.rsn-confidence__bars i {
  width: 3px; border-radius: 1px;
  background: var(--rsn-border-default);
}
.rsn-confidence__bars i:nth-child(1) { height: 5px; }
.rsn-confidence__bars i:nth-child(2) { height: 8px; }
.rsn-confidence__bars i:nth-child(3) { height: 11px; }
.rsn-confidence--high .rsn-confidence__bars i { background: var(--rsn-status-success); }
.rsn-confidence--moderate .rsn-confidence__bars i:nth-child(-n+2) { background: var(--rsn-status-warning); }
.rsn-confidence--low .rsn-confidence__bars i:nth-child(1) { background: var(--rsn-status-critical); }

/* AI proposal card — review & confirm anatomy */
.rsn-proposal {
  border: 1px solid var(--rsn-ai-border);
  border-left: 3px solid var(--rsn-ai-accent);
  border-radius: var(--rsn-radius-lg);
  background: var(--rsn-surface-raised);
}
.rsn-proposal__header {
  display: flex; align-items: center; gap: var(--rsn-space-100);
  padding: var(--rsn-space-150) var(--rsn-space-200);
  font-size: var(--rsn-text-300);
  color: var(--rsn-text-secondary);
}
.rsn-proposal__body { padding: 0 var(--rsn-space-200) var(--rsn-space-150); }
.rsn-proposal__footer {
  display: flex; align-items: center; gap: var(--rsn-space-100);
  padding: var(--rsn-space-150) var(--rsn-space-200);
  border-top: 1px solid var(--rsn-border-subtle);
}

/* Field-level AI suggestion (accept / edit / reject) */
.rsn-suggestion {
  display: flex; align-items: flex-start; gap: var(--rsn-space-100);
  padding: var(--rsn-space-100) var(--rsn-space-150);
  background: var(--rsn-ai-surface);
  border: 1px dashed var(--rsn-ai-border);
  border-radius: var(--rsn-radius-md);
  font-size: var(--rsn-text-300);
}
.rsn-suggestion__actions { display: inline-flex; gap: 2px; margin-left: auto; }

/* Diff rendering for value changes */
.rsn-diff-del {
  background: var(--rsn-status-critical-surface);
  color: var(--rsn-status-critical-text);
  text-decoration: line-through;
  border-radius: 2px; padding: 0 3px;
}
.rsn-diff-ins {
  background: var(--rsn-status-success-surface);
  color: var(--rsn-status-success-text);
  border-radius: 2px; padding: 0 3px;
}

/* Conversation transcript */
.rsn-thread { display: flex; flex-direction: column; gap: var(--rsn-space-200); }
.rsn-msg { display: flex; gap: var(--rsn-space-150); max-width: 100%; }
.rsn-msg__body { flex: 1; min-width: 0; }
.rsn-msg__meta {
  display: flex; align-items: baseline; gap: var(--rsn-space-100);
  font-size: var(--rsn-text-200);
  color: var(--rsn-text-muted);
  margin-bottom: 4px;
}
.rsn-msg__author { font-weight: var(--rsn-weight-semibold); color: var(--rsn-text-primary); font-size: var(--rsn-text-300); }
.rsn-msg--user .rsn-msg__content {
  background: var(--rsn-surface-sunken);
  border-radius: var(--rsn-radius-lg);
  padding: var(--rsn-space-100) var(--rsn-space-200);
  display: inline-block;
}
.rsn-msg__content { font-size: var(--rsn-text-400); line-height: var(--rsn-leading-body); }
.rsn-msg__content p { margin: 0 0 var(--rsn-space-100); }
.rsn-msg__content p:last-child { margin-bottom: 0; }

/* Tool call step card — collapsed by default, expandable */
.rsn-toolcall {
  border: 1px solid var(--rsn-border-subtle);
  border-radius: var(--rsn-radius-md);
  background: var(--rsn-surface-page);
  margin: var(--rsn-space-100) 0;
  font-size: var(--rsn-text-300);
  overflow: hidden;
}
.rsn-toolcall__summary {
  display: flex; align-items: center; gap: var(--rsn-space-100);
  width: 100%;
  padding: var(--rsn-space-100) var(--rsn-space-150);
  border: none; background: none;
  font-family: var(--rsn-font-sans);
  font-size: var(--rsn-text-300);
  color: var(--rsn-text-secondary);
  cursor: pointer;
  text-align: left;
}
.rsn-toolcall__summary:hover { background: var(--rsn-surface-hover); }
.rsn-toolcall__name { font-family: var(--rsn-font-mono); font-size: var(--rsn-text-200); color: var(--rsn-text-primary); }
.rsn-toolcall__status { margin-left: auto; display: inline-flex; align-items: center; gap: 5px; font-size: var(--rsn-text-200); }
.rsn-toolcall__detail {
  border-top: 1px solid var(--rsn-border-subtle);
  padding: var(--rsn-space-150);
  background: var(--rsn-surface-raised);
}
.rsn-toolcall__io {
  font-family: var(--rsn-font-mono);
  font-size: var(--rsn-text-200);
  line-height: 1.55;
  background: var(--rsn-surface-sunken);
  border-radius: var(--rsn-radius-sm);
  padding: var(--rsn-space-100) var(--rsn-space-150);
  overflow-x: auto;
  white-space: pre;
  margin: var(--rsn-space-50) 0;
}
.rsn-toolcall__chevron { transition: transform var(--rsn-duration-fast) var(--rsn-ease-standard); }
.rsn-toolcall[data-open="true"] .rsn-toolcall__chevron { transform: rotate(90deg); }

/* Approval gate inside a thread */
.rsn-gate {
  border: 1px solid var(--rsn-ai-border);
  border-radius: var(--rsn-radius-lg);
  background: var(--rsn-ai-surface);
  padding: var(--rsn-space-200);
  margin: var(--rsn-space-100) 0;
}
.rsn-gate__title {
  display: flex; align-items: center; gap: var(--rsn-space-100);
  font-size: var(--rsn-text-400);
  font-weight: var(--rsn-weight-semibold);
  margin-bottom: var(--rsn-space-100);
}
.rsn-gate__actions { display: flex; gap: var(--rsn-space-100); margin-top: var(--rsn-space-150); }

/* Streaming cursor */
.rsn-streaming::after {
  content: "";
  display: inline-block;
  width: 7px; height: 14px;
  vertical-align: -2px;
  margin-left: 2px;
  background: var(--rsn-ai-accent);
  border-radius: 1px;
  animation: rsn-blink 1s steps(2) infinite;
}
@keyframes rsn-blink { 50% { opacity: 0; } }

/* Activity feed / timeline */
.rsn-timeline { display: flex; flex-direction: column; }
.rsn-timeline__item {
  position: relative;
  display: flex; gap: var(--rsn-space-150);
  padding-bottom: var(--rsn-space-250);
}
.rsn-timeline__item::before {
  content: "";
  position: absolute;
  left: 11px; top: 28px; bottom: 2px;
  width: 1px;
  background: var(--rsn-border-subtle);
}
.rsn-timeline__item:last-child::before { display: none; }
.rsn-timeline__body { flex: 1; min-width: 0; font-size: var(--rsn-text-300); padding-top: 2px; }
.rsn-timeline__meta { font-size: var(--rsn-text-200); color: var(--rsn-text-muted); margin-top: 2px; }

/* --------------------------------------------------------------------------
   Charts (CSS-composable primitives; SVG marks are drawn per-demo)
   -------------------------------------------------------------------------- */
.rsn-chart-legend {
  display: flex; flex-wrap: wrap; gap: var(--rsn-space-150) var(--rsn-space-250);
  font-size: var(--rsn-text-200);
  color: var(--rsn-text-secondary);
}
.rsn-chart-legend__item { display: inline-flex; align-items: center; gap: 6px; border: none; background: none; padding: 0; font: inherit; color: inherit; cursor: default; }
.rsn-chart-legend__swatch { width: 10px; height: 10px; border-radius: 2px; flex: none; }

.rsn-meter { display: flex; height: 8px; border-radius: var(--rsn-radius-full); overflow: hidden; background: var(--rsn-surface-sunken); }
.rsn-meter > i { height: 100%; }

/* Sparkline cell */
.rsn-sparkline { display: inline-block; vertical-align: middle; }
.rsn-sparkline polyline { fill: none; stroke: var(--rsn-chart-1); stroke-width: 1.5; }
.rsn-sparkline .rsn-sparkline__area { fill: var(--rsn-chart-1); opacity: 0.1; stroke: none; }

/* --------------------------------------------------------------------------
   Utility
   -------------------------------------------------------------------------- */
.rsn-overline {
  font-size: var(--rsn-text-100);
  font-weight: var(--rsn-weight-semibold);
  letter-spacing: var(--rsn-tracking-wide);
  text-transform: uppercase;
  color: var(--rsn-text-muted);
}
.rsn-divider { border: none; border-top: 1px solid var(--rsn-border-subtle); margin: var(--rsn-space-300) 0; }
.rsn-link { color: var(--rsn-text-link); text-decoration: none; }
.rsn-link:hover { color: var(--rsn-text-link-hover); text-decoration: underline; }
.rsn-visually-hidden {
  position: absolute; width: 1px; height: 1px;
  margin: -1px; padding: 0; border: 0;
  clip: rect(0 0 0 0); overflow: hidden; white-space: nowrap;
}