/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-sans);
  font-weight: var(--fw-medium);
  font-size: 15px;
  letter-spacing: -0.005em;
  line-height: 1.2;
  padding: 12px 22px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background var(--motion-fast), color var(--motion-fast),
              border-color var(--motion-fast), box-shadow var(--motion-fast),
              transform var(--motion-fast);
  white-space: nowrap;
  user-select: none;
}
.btn:active { transform: translateY(1px); }

.btn-xs { padding: 6px 12px;  font-size: 12px; gap: 4px; }
.btn-sm { padding: 8px 16px;  font-size: 13px; }
.btn-lg { padding: 16px 28px; font-size: 16px; }
.btn-xl { padding: 20px 32px; font-size: 17px; }

.btn-primary { background: var(--violet); color: var(--paper-snow); border-color: var(--violet); }
.btn-primary:hover { background: var(--violet-ink); border-color: var(--violet-ink); box-shadow: var(--elev-1); }

.btn-ink { background: var(--ink); color: var(--paper-snow); border-color: var(--ink); }
.btn-ink:hover { background: var(--violet-ink); border-color: var(--violet-ink); box-shadow: var(--elev-1); }

.btn-secondary { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-secondary:hover { background: var(--ink); color: var(--paper-snow); }

.btn-outline { background: var(--paper-snow); color: var(--ink); border-color: var(--paper-edge); }
.btn-outline:hover { border-color: var(--ink); box-shadow: var(--elev-1); }

.btn-ghost { background: transparent; color: var(--ink); border-color: transparent; }
.btn-ghost:hover { background: var(--paper-bone); color: var(--violet-ink); }

.btn-link { background: transparent; color: var(--violet-ink); border-color: transparent; padding-left: 0; padding-right: 0; }
.btn-link:hover { color: var(--violet); text-decoration: underline; text-underline-offset: 4px; }

.btn-destructive { background: var(--signal-critical); color: var(--paper-snow); border-color: var(--signal-critical); }
.btn-destructive:hover { background: #8B2B22; border-color: #8B2B22; box-shadow: var(--elev-1); }

.btn-violet-soft { background: var(--violet-wash); color: var(--violet-ink); border-color: transparent; }
.btn-violet-soft:hover { background: color-mix(in oklab, var(--violet-wash) 70%, var(--violet) 30%); }

/* Icon button — square aspect, icon-only */
.btn-icon { padding: 10px; aspect-ratio: 1; }
.btn-icon.btn-sm { padding: 8px; }
.btn-icon.btn-lg { padding: 14px; }

/* Caps button — opt-in legacy/marketing uppercase style */
.btn-caps {
  text-transform: uppercase;
  letter-spacing: var(--ls-caps-sm);
  font-weight: var(--fw-emphasis);
  font-size: 13px;
}

/* Loading state */
.btn[data-loading="true"] { color: transparent; position: relative; pointer-events: none; }
.btn[data-loading="true"]::after {
  content: ""; position: absolute;
  width: 14px; height: 14px;
  border: 2px solid currentColor; border-top-color: transparent;
  border-radius: 50%;
  animation: btn-spin 600ms linear infinite;
  color: var(--paper-snow);
}
.btn-secondary[data-loading="true"]::after,
.btn-outline[data-loading="true"]::after,
.btn-ghost[data-loading="true"]::after { color: var(--ink); }
@keyframes btn-spin { to { transform: rotate(360deg); } }

.btn[disabled], .btn[aria-disabled="true"] { opacity: 0.4; cursor: not-allowed; }
.btn[disabled]:hover { box-shadow: none; background: inherit; }

/* Arrow nudge on hover (when .btn .arr is present) */
.btn .arr { transition: transform var(--motion-fast); }
.btn:hover .arr { transform: translateX(3px); }

/* Button group */
.btn-group { display: inline-flex; }
.btn-group .btn { border-radius: 0; margin-left: -1px; }
.btn-group .btn:first-child { border-radius: var(--radius-md) 0 0 var(--radius-md); margin-left: 0; }
.btn-group .btn:last-child { border-radius: 0 var(--radius-md) var(--radius-md) 0; }

/* ---------- Link ---------- */
.link {
  color: var(--violet-ink);
  text-decoration-color: var(--paper-edge);
  text-decoration-line: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.link:hover { text-decoration-color: var(--violet); color: var(--violet); }

/* ---------- Form — underline style (marketing) ---------- */
.field { display: block; margin-bottom: var(--space-5); }
.field-label {
  display: block;
  font-size: var(--fs-micro); font-weight: var(--fw-emphasis);
  letter-spacing: var(--ls-caps); text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--space-2);
}
.field-input {
  display: block; width: 100%;
  font-family: inherit; font-size: var(--fs-body); color: var(--ink);
  background: transparent;
  border: 0; border-bottom: var(--rule-ink);
  padding: var(--space-3) 0;
  outline: none;
  border-radius: 0;
  transition: border-color var(--motion-fast);
}
.field-input:focus { border-bottom-color: var(--violet); }
.field-input::placeholder { color: var(--ink-subtle); }
textarea.field-input { resize: vertical; line-height: var(--lh-body); }

.field-hint {
  display: block;
  font-size: var(--fs-caption); color: var(--ink-muted);
  margin-top: var(--space-2);
}
.field-hint[data-state="error"] { color: var(--signal-critical); }

/* ---------- Form — boxed style (app + modern marketing) ---------- */
.input {
  display: block; width: 100%;
  font-family: inherit; font-size: 15px; color: var(--ink);
  background: var(--paper-snow);
  border: 1px solid var(--paper-edge);
  border-radius: var(--radius-md);
  padding: 11px 14px;
  outline: none;
  transition: border-color var(--motion-fast), box-shadow var(--motion-fast);
}
.input:hover { border-color: var(--ink-subtle); }
.input:focus { border-color: var(--violet); box-shadow: 0 0 0 3px var(--violet-wash); }
.input::placeholder { color: var(--ink-subtle); }
.input[data-state="error"] { border-color: var(--signal-critical); }
.input[data-state="error"]:focus { box-shadow: 0 0 0 3px rgba(166, 58, 47, 0.16); }
textarea.input { resize: vertical; line-height: 1.5; }

/* Input with leading/trailing affix */
.input-group { position: relative; display: flex; align-items: center; }
.input-group .input { padding-left: 38px; }
.input-group .input.has-trailing { padding-right: 38px; }
.input-group .lead, .input-group .trail {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 18px; height: 18px; color: var(--ink-muted);
  pointer-events: none;
}
.input-group .lead { left: 12px; }
.input-group .trail { right: 12px; }
.input-group .trail-kbd { right: 8px; transform: translateY(-50%); width: auto; height: auto; pointer-events: auto; }

/* Search — convention */
.search { max-width: 420px; }

/* Check / radio — improved */
.check, .radio {
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-2) 0;
  cursor: pointer;
  font-size: var(--fs-body);
}
.check input[type="checkbox"], .radio input[type="radio"] {
  appearance: none; -webkit-appearance: none;
  width: 18px; height: 18px;
  border: 1px solid var(--ink-subtle);
  background: var(--paper-snow);
  border-radius: 4px;
  display: grid; place-items: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--motion-fast), border-color var(--motion-fast);
}
.radio input[type="radio"] { border-radius: 50%; }
.check input[type="checkbox"]:hover, .radio input[type="radio"]:hover { border-color: var(--ink); }
.check input[type="checkbox"]:checked { background: var(--violet); border-color: var(--violet); }
.check input[type="checkbox"]:checked::after {
  content: ""; width: 10px; height: 6px;
  border-left: 2px solid var(--paper-snow);
  border-bottom: 2px solid var(--paper-snow);
  transform: rotate(-45deg) translate(0.5px, -1px);
}
.radio input[type="radio"]:checked { border-color: var(--violet); border-width: 5px; background: var(--paper-snow); }

/* Toggle / Switch */
.toggle, .switch { display: flex; align-items: center; gap: var(--space-3); padding: var(--space-2) 0; cursor: pointer; font-size: var(--fs-body); }
.toggle input, .switch input { position: absolute; opacity: 0; pointer-events: none; }
.toggle-track, .switch-track {
  width: 40px; height: 22px; display: inline-block;
  border: 1px solid var(--ink-subtle);
  border-radius: 999px;
  position: relative; flex-shrink: 0;
  background: var(--paper-snow);
  transition: background var(--motion-fast), border-color var(--motion-fast);
}
.toggle-track::before, .switch-track::before {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 16px; height: 16px; background: var(--ink);
  border-radius: 999px;
  transition: transform var(--motion-fast), background var(--motion-fast);
}
.toggle input:checked + .toggle-track,
.switch input:checked + .switch-track {
  background: var(--violet); border-color: var(--violet);
}
.toggle input:checked + .toggle-track::before,
.switch input:checked + .switch-track::before {
  transform: translateX(18px); background: var(--paper-snow);
}

/* ---------- Tags & Chips ---------- */
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: var(--fw-emphasis);
  letter-spacing: 0.06em; text-transform: uppercase;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--paper-edge); color: var(--ink-muted);
  background: var(--paper-snow);
}
.tag-accent { background: var(--violet); color: var(--paper-snow); border-color: var(--violet); }
.tag-soft   { background: var(--violet-wash); color: var(--violet-ink); border-color: transparent; }
.tag-ink    { background: var(--ink); color: var(--paper-snow); border-color: var(--ink); }
.tag-ok     { background: rgba(95, 125, 60, 0.12); color: var(--signal-positive); border-color: transparent; }
.tag-warn   { background: rgba(181, 130, 58, 0.14); color: var(--signal-warning); border-color: transparent; }
.tag-crit   { background: rgba(166, 58, 47, 0.12); color: var(--signal-critical); border-color: transparent; }

/* Filter chip — bigger, interactive */
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: var(--fw-medium);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--paper-edge);
  background: var(--paper-snow);
  color: var(--ink);
  cursor: pointer;
  transition: all var(--motion-fast);
}
.chip:hover { border-color: var(--ink-subtle); }
.chip.is-active, .chip[aria-pressed="true"] {
  background: var(--ink); color: var(--paper-snow); border-color: var(--ink);
}
.chip .x { opacity: 0.6; cursor: pointer; }
.chip .x:hover { opacity: 1; }

/* ---------- Status ---------- */
.status {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--fs-micro); font-weight: var(--fw-emphasis);
  letter-spacing: var(--ls-caps-sm); text-transform: uppercase;
  color: var(--ink-muted);
}
.status .dot { width: 8px; height: 8px; background: currentColor; flex-shrink: 0; border-radius: 50%; }
.status-ok { color: var(--signal-positive); }
.status-warn { color: var(--signal-warning); }
.status-crit { color: var(--signal-critical); }
.status-neutral { color: var(--ink-subtle); }

/* Pulse dot — for "live" indicators */
.status .dot.pulse { position: relative; }
.status .dot.pulse::after {
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  border: 2px solid currentColor; opacity: 0.4;
  animation: status-pulse 1.8s ease-out infinite;
}
@keyframes status-pulse { 0%{transform:scale(0.6);opacity:0.5} 100%{transform:scale(1.4);opacity:0} }

/* ---------- Avatar ---------- */
.avatar {
  display: inline-grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: var(--radius-pill);
  background: var(--paper-bone);
  color: var(--ink);
  font-size: 14px; font-weight: var(--fw-emphasis); letter-spacing: 0.02em;
  flex-shrink: 0;
  overflow: hidden;
  position: relative;
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar-xs { width: 24px; height: 24px; font-size: 10px; }
.avatar-sm { width: 32px; height: 32px; font-size: 12px; }
.avatar-lg { width: 56px; height: 56px; font-size: 18px; }
.avatar-xl { width: 80px; height: 80px; font-size: 26px; }
.avatar-violet { background: var(--violet-wash); color: var(--violet-ink); }
.avatar-sage   { background: var(--paper-sage); color: var(--signal-positive); }
.avatar-blush  { background: var(--paper-blush); color: var(--signal-critical); }
.avatar-ink    { background: var(--ink); color: var(--paper-snow); }

.avatar-presence {
  position: absolute; bottom: 0; right: 0;
  width: 10px; height: 10px;
  border-radius: 50%; border: 2px solid var(--paper-snow);
  background: var(--signal-positive);
}

.avatar-group { display: inline-flex; }
.avatar-group .avatar { border: 2px solid var(--paper-cream); margin-left: -8px; }
.avatar-group .avatar:first-child { margin-left: 0; }
.avatar-group .avatar-more {
  background: var(--paper-snow); color: var(--ink-muted);
  border-color: var(--paper-cream);
}

/* ---------- Cards ---------- */
.card {
  padding: var(--space-6);
  background: var(--paper-snow);
  border: 1px solid var(--paper-edge);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column;
  min-height: 220px;
  transition: border-color var(--motion-fast), box-shadow var(--motion-fast),
              transform var(--motion-fast);
}
a.card, .card.card-link { cursor: pointer; text-decoration: none; color: inherit; }
a.card:hover, .card.card-link:hover {
  border-color: var(--ink-subtle);
  box-shadow: var(--elev-2);
}
.card-foot {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--paper-edge);
  display: flex; justify-content: space-between; align-items: center;
}
.card-accent { background: var(--violet); border-color: var(--violet); color: var(--paper-snow); }
.card-accent .card-foot { border-top-color: rgba(255,255,255,0.3); }
.card-ink    { background: var(--ink); border-color: var(--ink); color: var(--paper-snow); }
.card-ink .card-foot { border-top-color: rgba(255,255,255,0.18); }
.card-bone   { background: var(--paper-bone); }
.card-sage   { background: var(--paper-sage); }
.card-blush  { background: var(--paper-blush); }
.card-mist   { background: var(--paper-mist); }

/* ---------- Table ---------- */
.table { width: 100%; border-collapse: collapse; background: var(--paper-snow); border: 1px solid var(--paper-edge); border-radius: var(--radius-md); overflow: hidden; }
.table th, .table td { padding: var(--space-4) var(--space-5); text-align: left; border-bottom: 1px solid var(--paper-edge); }
.table th {
  font-size: var(--fs-micro); font-weight: var(--fw-emphasis);
  letter-spacing: var(--ls-caps-sm); text-transform: uppercase;
  color: var(--ink-muted);
  background: var(--paper-bone);
  border-bottom: var(--rule-ink);
}
.table tbody tr { transition: background var(--motion-fast); }
.table tbody tr:hover { background: var(--paper-cream); }
.table tbody tr:last-child td { border-bottom: 0; }
.table td.num, .table th.num { text-align: right; font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }
.table th[style*="right"] { text-align: right; }

/* ---------- Top nav ---------- */
.top-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-top: var(--rule-ink); border-bottom: var(--rule-ink);
  background: var(--paper-cream);
}
.top-nav-brand { display: flex; align-items: center; gap: var(--space-3); font-weight: var(--fw-emphasis); font-size: var(--fs-h5); letter-spacing: var(--ls-heading); }
.top-nav-brand .mark-sm { width: 28px; height: 28px; }
.top-nav-items { list-style: none; display: flex; gap: var(--space-6); margin: 0; padding: 0; }
.top-nav-items a {
  font-size: var(--fs-caption); font-weight: var(--fw-medium);
  text-decoration: none;
  color: var(--ink);
  padding: var(--space-2) 0;
  position: relative;
}
.top-nav-items a.is-current::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px;
  height: 2px; background: var(--violet);
}
.top-nav-items a:hover { color: var(--violet-ink); }
.top-nav-cta { display: flex; align-items: center; gap: var(--space-5); }

/* ---------- Side nav ---------- */
.side-nav { padding: var(--space-5); border-right: 1px solid var(--paper-edge); }
.side-group { margin-bottom: var(--space-6); }
.side-head {
  font-size: var(--fs-micro); font-weight: var(--fw-emphasis);
  letter-spacing: var(--ls-caps); text-transform: uppercase;
  color: var(--ink-muted);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--paper-edge);
  margin-bottom: var(--space-2);
}
.side-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px;
  margin: 2px -12px;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: background var(--motion-fast), color var(--motion-fast);
}
.side-nav a:hover { background: var(--paper-bone); color: var(--ink); }
.side-nav a.is-current { background: var(--violet-wash); color: var(--violet-ink); font-weight: var(--fw-emphasis); }

/* ---------- Breadcrumbs ---------- */
.crumbs { display: flex; align-items: center; gap: var(--space-2); font-size: var(--fs-caption); color: var(--ink-muted); }
.crumbs a { color: var(--ink-muted); text-decoration: none; }
.crumbs a:hover { color: var(--violet-ink); }
.crumbs span:last-child { color: var(--ink); font-weight: var(--fw-emphasis); }

/* ---------- Pager ---------- */
.pager { display: flex; align-items: center; gap: var(--space-5); font-size: var(--fs-caption); }
.pager ol { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; font-variant-numeric: tabular-nums; }
.pager a, .pager span {
  color: var(--ink-muted); text-decoration: none;
  padding: 6px 10px; display: block;
  border-radius: var(--radius-sm);
  transition: background var(--motion-fast), color var(--motion-fast);
}
.pager a:hover { background: var(--paper-bone); color: var(--ink); }
.pager a.is-current { background: var(--ink); color: var(--paper-snow); font-weight: var(--fw-emphasis); }
.pager-prev, .pager-next { color: var(--ink); text-decoration: none; font-weight: var(--fw-emphasis); font-size: var(--fs-caption); }

/* ---------- Notices (structural — stays square) ---------- */
.notice {
  display: grid; grid-template-columns: 180px 1fr;
  gap: var(--space-5);
  padding: var(--space-5) var(--space-6);
  border-top: var(--rule-ink); border-bottom: 1px solid var(--paper-edge);
  margin-bottom: var(--space-4);
  background: var(--paper-snow);
}
.notice-eyebrow {
  font-size: var(--fs-micro); font-weight: 700;
  letter-spacing: var(--ls-caps); text-transform: uppercase;
  color: var(--ink-muted);
}
.notice-body { font-size: var(--fs-body); color: var(--ink); }
.notice-accent   { background: var(--violet-wash); border-top-color: var(--violet); }
.notice-accent   .notice-eyebrow { color: var(--violet-ink); }
.notice-critical { background: var(--paper-snow); border-top-color: var(--signal-critical); }
.notice-critical .notice-eyebrow { color: var(--signal-critical); }

/* ---------- Toast / Snackbar (rounded, floats) ---------- */
.toast {
  display: inline-flex; align-items: flex-start; gap: 12px;
  padding: 14px 18px;
  background: var(--ink);
  color: var(--paper-snow);
  border-radius: var(--radius-md);
  box-shadow: var(--elev-3);
  font-size: 14px; line-height: 1.4;
  max-width: 440px;
  min-width: 280px;
}
.toast .toast-icon { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; }
.toast .toast-title { font-weight: var(--fw-emphasis); margin-bottom: 2px; }
.toast .toast-body { color: rgba(255,255,255,0.78); }
.toast .toast-actions { margin-left: auto; display: flex; gap: 8px; padding-left: 12px; }
.toast .toast-actions button { background: transparent; border: 0; color: var(--violet); font: inherit; font-weight: var(--fw-emphasis); cursor: pointer; padding: 0; }
.toast .toast-actions button:hover { color: var(--paper-snow); }
.toast-positive { background: var(--signal-positive-dark); }
.toast-positive .toast-icon { color: var(--signal-positive-fg); }
.toast-warning  { background: var(--signal-warning-dark); }
.toast-warning  .toast-icon { color: var(--signal-warning-fg); }
.toast-critical { background: var(--signal-critical-dark); }
.toast-critical .toast-icon { color: var(--signal-critical-fg); }

/* ---------- Banner — full-bleed notice strip ---------- */
.banner {
  display: flex; align-items: center; gap: var(--space-4);
  padding: 12px 20px;
  background: var(--violet-wash);
  color: var(--violet-ink);
  border-radius: var(--radius-md);
  font-size: 14px;
}
.banner .banner-icon { width: 18px; height: 18px; flex-shrink: 0; }
.banner .banner-body { flex: 1; }
.banner .banner-cta { color: inherit; font-weight: var(--fw-emphasis); text-decoration: none; border-bottom: 1px solid currentColor; }
.banner-ink   { background: var(--ink); color: var(--paper-snow); }
.banner-warn  { background: rgba(181, 130, 58, 0.14); color: var(--signal-warning); }
.banner-crit  { background: rgba(166, 58, 47, 0.10); color: var(--signal-critical); }

/* ---------- Dialog / Modal ---------- */
.dialog-scrim {
  position: fixed; inset: 0;
  background: var(--scrim);
  display: grid; place-items: center;
  padding: var(--space-7);
  z-index: 100;
}
.dialog {
  background: var(--paper-snow);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-modal);
  max-width: 480px; width: 100%;
  display: flex; flex-direction: column;
  overflow: hidden;
}
.dialog-header {
  padding: var(--space-5) var(--space-6) var(--space-4);
  border-bottom: 1px solid var(--paper-edge);
  display: flex; align-items: flex-start; justify-content: space-between;
}
.dialog-header h3 { font-size: 20px; font-weight: var(--fw-emphasis); letter-spacing: -0.01em; margin: 0; }
.dialog-header .close {
  background: transparent; border: 0; color: var(--ink-muted);
  cursor: pointer; padding: 4px; border-radius: 4px;
  display: grid; place-items: center;
}
.dialog-header .close:hover { background: var(--paper-bone); color: var(--ink); }
.dialog-body { padding: var(--space-5) var(--space-6); color: var(--ink); font-size: 15px; line-height: 1.55; }
.dialog-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--paper-edge);
  background: var(--paper-cream);
  display: flex; gap: var(--space-3); justify-content: flex-end;
}

/* ---------- Tooltip (CSS pure) ---------- */
.tip { position: relative; display: inline-block; }
.tip[data-tip]::before, .tip[data-tip]::after {
  position: absolute; pointer-events: none;
  opacity: 0; transition: opacity var(--motion-fast);
}
.tip[data-tip]::before {
  content: attr(data-tip);
  bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  background: var(--ink); color: var(--paper-snow);
  font-size: 12px; font-weight: var(--fw-medium); white-space: nowrap;
  padding: 6px 10px; border-radius: var(--radius-sm);
  box-shadow: var(--elev-2);
}
.tip[data-tip]::after {
  content: ""; bottom: calc(100% + 2px); left: 50%; transform: translateX(-50%);
  border: 4px solid transparent; border-top-color: var(--ink);
}
.tip:hover::before, .tip:hover::after, .tip:focus-within::before, .tip:focus-within::after { opacity: 1; }
.tip[data-tip-side="bottom"]::before { bottom: auto; top: calc(100% + 8px); }
.tip[data-tip-side="bottom"]::after { bottom: auto; top: calc(100% + 2px); border-top-color: transparent; border-bottom-color: var(--ink); }

/* ---------- Segmented control ---------- */
.segmented {
  display: inline-flex;
  background: var(--paper-bone);
  border: 1px solid var(--paper-edge);
  border-radius: var(--radius-md);
  padding: 3px;
  gap: 2px;
}
.segmented button, .segmented .seg {
  background: transparent; border: 0;
  font: inherit; font-size: 13px; font-weight: var(--fw-medium);
  color: var(--ink-muted);
  padding: 7px 14px;
  border-radius: 7px;
  cursor: pointer;
  transition: background var(--motion-fast), color var(--motion-fast);
}
.segmented button:hover, .segmented .seg:hover { color: var(--ink); }
.segmented .is-active, .segmented [aria-pressed="true"] {
  background: var(--ink); color: var(--paper-snow);
  font-weight: var(--fw-emphasis);
}

/* ---------- Progress ---------- */
.progress {
  width: 100%; height: 6px;
  background: var(--paper-edge);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}
.progress > .bar {
  height: 100%;
  background: var(--violet);
  border-radius: 999px;
  transition: width var(--motion-base);
}
.progress.indeterminate > .bar {
  width: 30%;
  animation: progress-indet 1.6s ease-in-out infinite;
}
@keyframes progress-indet {
  0%   { transform: translateX(-100%); }
  50%  { transform: translateX(200%); }
  100% { transform: translateX(400%); }
}

/* ---------- Skeleton ---------- */
.skeleton {
  background: linear-gradient(90deg,
    var(--paper-bone) 0%,
    var(--paper-cream) 50%,
    var(--paper-bone) 100%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.6s ease-in-out infinite;
  border-radius: var(--radius-sm);
  display: inline-block;
  vertical-align: middle;
}
.skeleton-line { display: block; height: 12px; margin: 8px 0; border-radius: 4px; }
.skeleton-line.short { width: 50%; }
.skeleton-line.medium { width: 75%; }
.skeleton-circle { border-radius: 50%; }
@keyframes skeleton-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---------- Empty state ---------- */
.empty {
  display: flex; flex-direction: column; align-items: center;
  gap: var(--space-4); padding: var(--space-9) var(--space-6);
  background: var(--paper-snow);
  border: 1px dashed var(--paper-edge);
  border-radius: var(--radius-lg);
  text-align: center;
}
.empty .empty-mark { color: var(--ink-subtle); width: 48px; height: 48px; }
.empty h4 { font-size: 18px; font-weight: var(--fw-emphasis); margin: 0; color: var(--ink); }
.empty p { font-size: 14px; color: var(--ink-muted); margin: 0; max-width: 36ch; }

/* ---------- Code ---------- */
code, .code-inline {
  font-family: ui-monospace, 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 0.92em;
  background: var(--paper-bone);
  border: 1px solid var(--paper-edge);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--ink);
}
.code-block {
  font-family: ui-monospace, 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 13px; line-height: 1.55;
  background: var(--ink); color: var(--code-text);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  overflow-x: auto;
}
.code-block .k { color: var(--code-keyword); }
.code-block .s { color: var(--code-string); }
.code-block .c { color: var(--code-comment); font-style: italic; }
.code-block .n { color: var(--code-number); }

/* ---------- Mark ---------- */
.mark-sm { display: inline-block; }


.brand-lockup {
  display: inline-flex; align-items: center;
  gap: 10px;
  text-decoration: none; color: inherit;
  font-family: var(--font-sans);
  font-weight: var(--fw-medium);
  letter-spacing: -0.01em;
  line-height: 1;
}
.brand-lockup img, .brand-lockup .mark {
  width: 22px; height: 22px; flex-shrink: 0;
}
.brand-lockup .wm { font-size: 16px; }

.brand-lockup.xs { gap: 8px; }
.brand-lockup.xs img, .brand-lockup.xs .mark { width: 18px; height: 18px; }
.brand-lockup.xs .wm { font-size: 14px; }

.brand-lockup.sm { gap: 10px; }
.brand-lockup.sm img, .brand-lockup.sm .mark { width: 22px; height: 22px; }
.brand-lockup.sm .wm { font-size: 16px; }

.brand-lockup.md { gap: 12px; }
.brand-lockup.md img, .brand-lockup.md .mark { width: 28px; height: 28px; }
.brand-lockup.md .wm { font-size: 20px; letter-spacing: -0.015em; }

.brand-lockup.lg { gap: 16px; }
.brand-lockup.lg img, .brand-lockup.lg .mark { width: 44px; height: 44px; }
.brand-lockup.lg .wm { font-size: 28px; letter-spacing: -0.02em; }

.brand-lockup.invert .wm { color: var(--paper-snow); }
.brand-lockup.invert img { filter: brightness(0) invert(0.95); }

/* ---------- Polish v3 additions ---------- */
.rule-ghost { border-color: color-mix(in oklab, var(--paper-edge) 70%, transparent); }

.figure { margin: 0; }
.figure figcaption {
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid var(--paper-edge);
  display: flex; justify-content: space-between;
  font-size: var(--fs-caption); color: var(--ink-muted);
  line-height: var(--lh-loose);
}
.figure figcaption .no {
  font-size: var(--fs-micro); font-weight: var(--fw-emphasis);
  letter-spacing: var(--ls-caps); text-transform: uppercase;
}

.pull {
  position: relative; padding-left: var(--space-6);
  border-left: var(--rule-heavy);
}
.pull::before {
  content: "\201C"; position: absolute; left: -0.1em; top: -0.3em;
  font-size: 4em; line-height: 1; color: var(--violet);
  font-weight: var(--fw-light); font-style: italic;
}

.tabs-slide { position: relative; display: flex; border-bottom: 1px solid var(--paper-edge); }
.tabs-slide .tab { padding: 10px 16px; font-size: 14px; font-weight: var(--fw-medium); color: var(--ink-muted); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; transition: color var(--motion-fast); }
.tabs-slide .tab:hover { color: var(--ink); }
.tabs-slide .tab.active { color: var(--ink); font-weight: var(--fw-emphasis); }
.tabs-slide .tabs-rail { position: absolute; bottom: -1px; height: 2px; background: var(--violet); transition: left var(--motion-base), width var(--motion-base); }

.kbd {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 20px; height: 20px; padding: 0 6px;
  font-family: ui-monospace, monospace; font-size: 11px; font-weight: 600;
  background: var(--paper-snow);
  border: 1px solid var(--ink-subtle);
  border-bottom-width: 2px;
  border-radius: 5px;
  color: var(--ink);
  line-height: 1;
}

.tweak-reset {
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  font-weight: 700; color: var(--ink-muted); background: transparent;
  border: 0; cursor: pointer; padding: 4px 0;
}
.tweak-reset:hover { color: var(--ink); }

/* =========================================================================
   v4.2 — Additional components
   ========================================================================= */

/* ---------- Notification badge ---------- */
.badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 18px; height: 18px; padding: 0 5px;
  font-family: var(--font-sans);
  font-size: 11px; font-weight: var(--fw-emphasis);
  font-variant-numeric: tabular-nums;
  background: var(--signal-critical); color: var(--paper-snow);
  border-radius: 999px;
  border: 2px solid var(--paper-cream);
  line-height: 1;
}
.badge-dot { min-width: 10px; height: 10px; padding: 0; }
.badge-violet { background: var(--violet); }
.badge-ink    { background: var(--ink); }
.badge-soft   { background: var(--violet-wash); color: var(--violet-ink); border-color: var(--paper-snow); }

/* Wrapper to position a badge on a target (icon button, avatar, etc.) */
.has-badge { position: relative; display: inline-block; }
.has-badge .badge {
  position: absolute; top: -4px; right: -4px;
}

/* ---------- Number stepper ---------- */
.stepper {
  display: inline-flex; align-items: stretch;
  border: 1px solid var(--paper-edge);
  border-radius: var(--radius-md);
  background: var(--paper-snow);
  overflow: hidden;
}
.stepper button {
  background: transparent; border: 0;
  width: 36px;
  display: grid; place-items: center;
  cursor: pointer;
  color: var(--ink-muted);
  transition: background var(--motion-fast), color var(--motion-fast);
}
.stepper button:hover { background: var(--paper-bone); color: var(--ink); }
.stepper button:disabled { color: var(--ink-subtle); cursor: not-allowed; background: transparent; }
.stepper input {
  width: 60px;
  border: 0; border-left: 1px solid var(--paper-edge); border-right: 1px solid var(--paper-edge);
  font: inherit; font-size: 14px; font-variant-numeric: tabular-nums;
  text-align: center;
  background: transparent; color: var(--ink);
  outline: none;
  padding: 8px 0;
}
.stepper input:focus { background: var(--violet-wash); }

/* ---------- Range slider ---------- */
.range {
  width: 100%; -webkit-appearance: none; appearance: none;
  height: 6px;
  background: var(--paper-edge);
  border-radius: 999px;
  outline: none;
}
.range::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 20px; height: 20px;
  background: var(--violet);
  border: 3px solid var(--paper-snow);
  border-radius: 50%;
  box-shadow: var(--elev-1);
  cursor: pointer;
}
.range::-moz-range-thumb {
  width: 20px; height: 20px;
  background: var(--violet);
  border: 3px solid var(--paper-snow);
  border-radius: 50%;
  cursor: pointer;
}

/* ---------- File dropzone ---------- */
.dropzone {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: var(--space-3);
  padding: var(--space-7) var(--space-5);
  border: 1.5px dashed var(--paper-edge);
  border-radius: var(--radius-lg);
  background: var(--paper-snow);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--motion-fast), background var(--motion-fast);
}
.dropzone:hover, .dropzone.is-drag {
  border-color: var(--violet);
  background: var(--violet-wash);
}
.dropzone .dz-icon {
  width: 36px; height: 36px;
  color: var(--ink-muted);
  background: var(--paper-bone);
  border-radius: var(--radius-pill);
  display: grid; place-items: center;
}
.dropzone:hover .dz-icon, .dropzone.is-drag .dz-icon {
  color: var(--violet-ink);
  background: var(--paper-snow);
}
.dropzone .dz-title { font-size: 15px; font-weight: var(--fw-emphasis); color: var(--ink); }
.dropzone .dz-hint  { font-size: 13px; color: var(--ink-muted); }

/* ---------- Date picker (visual) ---------- */
.date-picker {
  display: inline-block;
  background: var(--paper-snow);
  border: 1px solid var(--paper-edge);
  border-radius: var(--radius-lg);
  box-shadow: var(--elev-2);
  padding: var(--space-4) var(--space-5);
  width: 320px;
  font-family: var(--font-sans);
}
.date-picker .dp-head {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-3);
  border-bottom: 1px solid var(--paper-edge);
}
.date-picker .dp-month { font-size: 15px; font-weight: var(--fw-emphasis); letter-spacing: -0.01em; }
.date-picker .dp-nav { display: flex; gap: 4px; }
.date-picker .dp-nav button {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border: 0; background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer; color: var(--ink-muted);
}
.date-picker .dp-nav button:hover { background: var(--paper-bone); color: var(--ink); }
.date-picker .dp-grid {
  display: grid; grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}
.date-picker .dp-dow {
  font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-subtle); font-weight: var(--fw-emphasis);
  padding: 4px 0; text-align: center;
}
.date-picker .dp-day {
  display: grid; place-items: center;
  height: 34px;
  font-size: 13px; font-variant-numeric: tabular-nums;
  color: var(--ink); cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--motion-fast), color var(--motion-fast);
}
.date-picker .dp-day:hover { background: var(--paper-bone); }
.date-picker .dp-day.is-muted { color: var(--ink-subtle); }
.date-picker .dp-day.is-today { font-weight: var(--fw-emphasis); border: 1px solid var(--paper-edge); }
.date-picker .dp-day.in-range { background: var(--violet-wash); color: var(--violet-ink); border-radius: 0; }
.date-picker .dp-day.is-start { background: var(--violet); color: var(--paper-snow); border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.date-picker .dp-day.is-end   { background: var(--violet); color: var(--paper-snow); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.date-picker .dp-foot {
  margin-top: var(--space-3); padding-top: var(--space-3);
  border-top: 1px solid var(--paper-edge);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--ink-muted);
}

/* ---------- Focus ring demo helper ---------- */
.focus-demo { outline: var(--focus-ring); outline-offset: var(--focus-offset); }