/* QShell component kit — reusable, framework-free components for QShell sub-apps. Class prefix: qsa-.
   Everything themes via [data-theme] + --qsk-accent + the design tokens; no Bootstrap, no jQuery.
   Base set is the handoff's patterns.html; extended here with the components INSPINIA showcases. */

/* ============================ Buttons ============================ */
.qsa-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font: var(--text-button); font-family: inherit; cursor: pointer; white-space: nowrap;
  padding: 10px 20px; border-radius: var(--radius-pill); border: 1px solid transparent;
  color: var(--color-primary-text); background: transparent; text-decoration: none; transition: var(--transition);
}
.qsa-btn-primary   { background: var(--qsk-accent); color: #fff; }
.qsa-btn-primary:hover { filter: brightness(1.08); }
.qsa-btn-secondary { background: var(--glass-pill); border-color: var(--glass-border); backdrop-filter: blur(8px); }
.qsa-btn-secondary:hover { background: var(--glass-pill-hover); }
.qsa-btn-ghost     { background: transparent; color: var(--color-secondary-text); }
.qsa-btn-ghost:hover { background: var(--glass-well); color: var(--color-primary-text); }
.qsa-btn-success   { background: var(--color-success, oklch(0.55 0.13 155)); color: #fff; }
.qsa-btn-danger    { background: var(--color-danger, oklch(0.55 0.18 25)); color: #fff; }
.qsa-btn-success:hover, .qsa-btn-danger:hover { filter: brightness(1.08); }
.qsa-btn-sm { padding: 6px 14px; font-size: 13px; }
.qsa-btn-lg { padding: 13px 26px; font-size: 15px; }
.qsa-btn-icon { padding: 10px; width: 40px; height: 40px; border-radius: var(--radius-circle); }
.qsa-btn-block { display: flex; width: 100%; }
.qsa-btn:focus-visible { outline: none; box-shadow: 0 0 0 2px var(--color-bg), 0 0 0 4px var(--qsk-accent); }
.qsa-btn[disabled], .qsa-btn.is-loading { opacity: 0.5; pointer-events: none; }
.qsa-btn .qsa-spin { width: 15px; height: 15px; border-width: 2px; }
.qsa-btn-group { display: inline-flex; }
.qsa-btn-group .qsa-btn { border-radius: 0; border-color: var(--glass-border); }
.qsa-btn-group .qsa-btn:first-child { border-radius: var(--radius-pill) 0 0 var(--radius-pill); }
.qsa-btn-group .qsa-btn:last-child { border-radius: 0 var(--radius-pill) var(--radius-pill) 0; }
.qsa-btn-group .qsa-btn + .qsa-btn { margin-left: -1px; }

/* ============================ Badges ============================ */
.qsa-badge { display: inline-flex; align-items: center; gap: 5px; padding: 4px 10px; border-radius: var(--radius-badge, 100px); font: var(--text-small); }
.qsa-badge-accent  { background: color-mix(in oklab, var(--qsk-accent) 16%, transparent); color: var(--qsk-accent); }
.qsa-badge-neutral { background: var(--glass-well); color: var(--color-secondary-text); }
.qsa-badge-success { background: oklch(0.95 0.035 155); color: oklch(0.42 0.12 155); }
.qsa-badge-warning { background: oklch(0.96 0.05 90);  color: oklch(0.48 0.11 70); }
.qsa-badge-danger  { background: oklch(0.95 0.03 25);  color: oklch(0.44 0.16 25); }
.qsa-badge-info    { background: oklch(0.95 0.04 240); color: oklch(0.45 0.14 250); }
[data-theme="dark"] .qsa-badge-success { background: oklch(0.32 0.05 155); color: oklch(0.82 0.1 155); }
[data-theme="dark"] .qsa-badge-warning { background: oklch(0.33 0.05 80);  color: oklch(0.85 0.1 85); }
[data-theme="dark"] .qsa-badge-danger  { background: oklch(0.32 0.06 25);  color: oklch(0.82 0.11 25); }
[data-theme="dark"] .qsa-badge-info    { background: oklch(0.32 0.05 245); color: oklch(0.84 0.1 250); }
.qsa-badge .qsa-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ============================ Alerts ============================ */
.qsa-alert { display: flex; align-items: flex-start; gap: 12px; padding: 14px 16px; border-radius: var(--radius-card); font-size: 14px; border: 1px solid transparent; }
.qsa-alert svg { flex: none; margin-top: 1px; }
.qsa-alert-accent  { background: color-mix(in oklab, var(--qsk-accent) 12%, transparent); color: var(--qsk-accent); border-color: color-mix(in oklab, var(--qsk-accent) 24%, transparent); }
.qsa-alert-success { background: oklch(0.96 0.03 155); color: oklch(0.4 0.12 155); border-color: oklch(0.85 0.07 155); }
.qsa-alert-warning { background: oklch(0.97 0.045 90); color: oklch(0.46 0.11 70); border-color: oklch(0.87 0.09 85); }
.qsa-alert-danger  { background: oklch(0.96 0.03 25);  color: oklch(0.44 0.16 25); border-color: oklch(0.86 0.08 25); }
[data-theme="dark"] .qsa-alert-success { background: oklch(0.28 0.05 155); color: oklch(0.85 0.09 155); border-color: oklch(0.4 0.06 155); }
[data-theme="dark"] .qsa-alert-warning { background: oklch(0.29 0.05 80);  color: oklch(0.87 0.09 85);  border-color: oklch(0.42 0.06 80); }
[data-theme="dark"] .qsa-alert-danger  { background: oklch(0.28 0.06 25);  color: oklch(0.85 0.1 25);   border-color: oklch(0.42 0.08 25); }
.qsa-alert-body { flex: 1; }
.qsa-alert-body strong { display: block; margin-bottom: 2px; }
.qsa-alert .qsa-alert-close { background: none; border: 0; color: inherit; opacity: 0.6; cursor: pointer; padding: 0; line-height: 1; }
.qsa-alert .qsa-alert-close:hover { opacity: 1; }

/* ============================ Cards ============================ */
.qsa-card {
  background: var(--glass-panel); border: 1px solid var(--glass-border);
  border-radius: var(--radius-card); padding: 20px 24px;
  backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-popover);
}
.qsa-card h2, .qsa-card .qsa-card-title { font: var(--text-subtitle); margin: 0 0 12px; }
.qsa-card p { color: var(--color-secondary-text); margin: 0 0 4px; }
.qsa-card code, code.qsa-code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; }
.qsa-card-head { display: flex; align-items: center; justify-content: space-between; margin: -4px 0 16px; }
.qsa-card-head h2 { margin: 0; }
.qsa-card-foot { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--glass-border); display: flex; gap: 12px; }
.qsa-stat { display: flex; flex-direction: column; gap: 6px; }
.qsa-stat-label { font: var(--text-small); color: var(--color-gray-500); }
.qsa-stat-value { font: var(--text-title); font-size: 28px; line-height: 1.1; color: var(--color-primary-text); }

/* ============================ Progress ============================ */
.qsa-progress { height: 8px; background: var(--glass-well); border-radius: 100px; overflow: hidden; }
.qsa-progress-bar { height: 100%; background: var(--qsk-accent); border-radius: 100px; transition: width 0.4s ease; }
.qsa-progress-sm { height: 4px; }
.qsa-progress-lg { height: 14px; }
.qsa-progress-bar.is-success { background: oklch(0.6 0.13 155); }
.qsa-progress-bar.is-warning { background: oklch(0.72 0.14 80); }
.qsa-progress-bar.is-danger  { background: oklch(0.6 0.18 25); }

/* ============================ Spinner ============================ */
.qsa-spin { display: inline-block; width: 36px; height: 36px; border: 4px solid var(--qsk-accent); border-bottom-color: transparent; border-radius: 50%; animation: qsa-rot 1s linear infinite; }
.qsa-spin-sm { width: 20px; height: 20px; border-width: 2.5px; }
.qsa-spin-lg { width: 52px; height: 52px; border-width: 5px; }
@keyframes qsa-rot { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .qsa-spin { animation-duration: 2.5s; } }

/* ============================ Segmented tabs ============================ */
.qsa-tabs { display: inline-flex; gap: 4px; padding: 4px; border-radius: var(--radius-pill); background: var(--glass-well); box-shadow: inset 0 0 0 1px var(--glass-border); }
.qsa-tab { padding: 8px 16px; border-radius: var(--radius-pill); font: var(--text-button); font-family: inherit; color: var(--color-secondary-text); background: transparent; cursor: pointer; transition: var(--transition); border: 0; }
.qsa-tab[aria-selected="true"] { background: var(--glass-pill-strong); color: var(--color-primary-text); box-shadow: var(--shadow-popover); }

/* ============================ Table ============================ */
.qsa-table { border-collapse: collapse; width: 100%; font-size: 13px; }
.qsa-table th { text-align: left; font: var(--text-small); color: var(--color-secondary-text); background: var(--glass-well); padding: 10px 12px; white-space: nowrap; }
.qsa-table th:first-child { border-radius: 8px 0 0 8px; }
.qsa-table th:last-child { border-radius: 0 8px 8px 0; }
.qsa-table td { padding: 0 12px; height: 44px; border-bottom: 1px solid var(--glass-border); }
.qsa-table tbody tr { transition: var(--transition); }
.qsa-table-hover tbody tr:hover { background: var(--glass-well); }
.qsa-table-striped tbody tr:nth-child(even) { background: color-mix(in oklab, var(--glass-well) 55%, transparent); }
.qsa-table-compact td { height: 34px; }
.qsa-table-bordered td, .qsa-table-bordered th { border: 1px solid var(--glass-border); }
.qsa-num { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; white-space: nowrap; }
.qsa-th-sort { cursor: pointer; user-select: none; }
.qsa-th-sort::after { content: ' \2195'; opacity: 0.35; }
.qsa-th-sort[aria-sort="ascending"]::after { content: ' \2191'; opacity: 1; color: var(--qsk-accent); }
.qsa-th-sort[aria-sort="descending"]::after { content: ' \2193'; opacity: 1; color: var(--qsk-accent); }

/* ============================ List group ============================ */
.qsa-list-group { display: flex; flex-direction: column; border: 1px solid var(--glass-border); border-radius: var(--radius-card); overflow: hidden; }
.qsa-list-group-item { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--glass-border); color: var(--color-primary-text); text-decoration: none; transition: var(--transition); }
.qsa-list-group-item:first-child { border-top: 0; }
.qsa-list-group a.qsa-list-group-item:hover { background: var(--glass-well); }
.qsa-list-group-item.is-active { background: color-mix(in oklab, var(--qsk-accent) 12%, transparent); color: var(--qsk-accent); }
.qsa-list-group-item .qsa-ms-auto { margin-left: auto; }

/* ============================ Pagination ============================ */
.qsa-pagination { display: inline-flex; gap: 4px; }
.qsa-page { min-width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; padding: 0 10px; border-radius: var(--radius-pill); font: var(--text-button); color: var(--color-secondary-text); background: transparent; border: 0; cursor: pointer; text-decoration: none; transition: var(--transition); }
.qsa-page:hover { background: var(--glass-well); color: var(--color-primary-text); }
.qsa-page.is-active { background: var(--qsk-accent); color: #fff; }
.qsa-page[disabled] { opacity: 0.4; pointer-events: none; }

/* ============================ Breadcrumb ============================ */
.qsa-breadcrumb { display: flex; align-items: center; gap: 8px; font: var(--text-small); color: var(--color-secondary-text); list-style: none; margin: 0; padding: 0; }
.qsa-breadcrumb a { color: var(--color-secondary-text); text-decoration: none; }
.qsa-breadcrumb a:hover { color: var(--qsk-accent); }
.qsa-breadcrumb li + li::before { content: '/'; margin-right: 8px; opacity: 0.5; }
.qsa-breadcrumb .is-current { color: var(--color-primary-text); }

/* ============================ Avatar ============================ */
.qsa-avatar { width: 40px; height: 40px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font: var(--text-button); background: color-mix(in oklab, var(--qsk-accent) 18%, transparent); color: var(--qsk-accent); overflow: hidden; }
.qsa-avatar img { width: 100%; height: 100%; object-fit: cover; }
.qsa-avatar-sm { width: 28px; height: 28px; font-size: 12px; }
.qsa-avatar-lg { width: 56px; height: 56px; }
.qsa-avatar-group { display: inline-flex; }
.qsa-avatar-group .qsa-avatar { border: 2px solid var(--color-bg); margin-left: -10px; }
.qsa-avatar-group .qsa-avatar:first-child { margin-left: 0; }

/* ============================ Forms ============================ */
.qsa-label { display: block; font: var(--text-label); color: var(--color-gray-500); margin-bottom: 6px; }
.qsa-help { font: var(--text-small); color: var(--color-secondary-text); margin-top: 6px; }
.qsa-field { display: flex; align-items: center; gap: 8px; padding: 11px 16px; background: var(--glass-field); box-shadow: inset 0 0 0 1px var(--glass-border); border-radius: var(--radius-pill); backdrop-filter: blur(8px); transition: var(--transition); }
.qsa-field:focus-within { box-shadow: inset 0 0 0 1px var(--qsk-accent); }
.qsa-field input, .qsa-field select, .qsa-field textarea { border: 0; background: none; outline: none; font: var(--text-input); font-family: inherit; color: var(--color-primary-text); width: 100%; }
.qsa-field input::placeholder, .qsa-field textarea::placeholder { color: var(--color-secondary-text); }
.qsa-field svg { flex: none; color: var(--color-secondary-text); }
.qsa-field.is-invalid { box-shadow: inset 0 0 0 1px oklch(0.6 0.18 25); }
.qsa-field.is-valid { box-shadow: inset 0 0 0 1px oklch(0.6 0.13 155); }
.qsa-field-textarea { align-items: stretch; border-radius: 20px; }
.qsa-field-textarea textarea { resize: vertical; min-height: 84px; line-height: 22px; }
.qsa-input-sm { padding: 8px 14px; }
.qsa-input-lg { padding: 14px 18px; }
/* styled native select */
.qsa-select { position: relative; }
.qsa-select select { appearance: none; -webkit-appearance: none; padding-right: 12px; cursor: pointer; }
/* The native option popup is painted by the browser, not the field. Give it explicit theme colors so
   dark-mode options aren't white-on-white (belt-and-suspenders alongside :root color-scheme). */
.qsa-field option, .qsa-field optgroup { background: var(--color-bg); color: var(--color-primary-text); }
.qsa-select > svg { position: absolute; right: 16px; top: 50%; transform: translateY(-50%); pointer-events: none; }

/* QSelect — vanilla custom select (progressive enhancement over a native <select>). Mirrors the
   shell's QSelect.razor: pill control, rounded translucent popup, hairline options, optional search. */
.qsa-cs { position: relative; }
.qsa-cs-native { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }   /* kept in DOM so the form still submits */
.qsa-cs-control { appearance: none; -webkit-appearance: none; border: 0; width: 100%; text-align: left; cursor: pointer; color: var(--color-primary-text); font: var(--text-input); font-family: inherit; }
.qsa-cs-control .qsa-cs-value { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.qsa-cs-control .qsa-cs-value.is-placeholder { color: var(--color-secondary-text); }
.qsa-cs-caret { flex: none; color: var(--color-secondary-text); transition: transform var(--transition); }
.qsa-cs.is-open .qsa-cs-caret { transform: rotate(180deg); }
.qsa-cs.is-open .qsa-cs-control { box-shadow: inset 0 0 0 1px var(--qsk-accent); }
.qsa-cs-menu { position: absolute; z-index: 50; top: calc(100% + 8px); left: 0; width: 100%; padding: 6px; border: 1px solid var(--glass-border); border-radius: var(--radius-dropdown); background: var(--overlay); backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur)); box-shadow: var(--shadow-popover); max-height: 244px; overflow-y: auto; scrollbar-width: thin; }
.qsa-cs-menu[hidden] { display: none; }
.qsa-cs-search { position: sticky; top: -6px; margin: -6px -6px 6px; padding: 8px; background: var(--overlay); backdrop-filter: blur(var(--glass-blur)); border-bottom: 1px solid var(--glass-border); }
.qsa-cs-search input { width: 100%; border: 0; outline: none; background: var(--glass-field); box-shadow: inset 0 0 0 1px var(--glass-border); border-radius: var(--radius-pill); padding: 8px 12px; font: var(--text-input); font-family: inherit; color: var(--color-primary-text); }
.qsa-cs-option { display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-radius: 8px; font: var(--text-input); color: var(--color-secondary-text); cursor: pointer; transition: var(--transition); }
.qsa-cs-option .qsa-cs-tick { flex: none; margin-left: auto; opacity: 0; color: var(--qsk-accent); }
.qsa-cs-option:hover, .qsa-cs-option.is-active { background: var(--glass-well); color: var(--color-primary-text); }
.qsa-cs-option[aria-selected="true"] { color: var(--color-primary-text); font-weight: 500; }
.qsa-cs-option[aria-selected="true"] .qsa-cs-tick { opacity: 1; }
.qsa-cs-option[aria-disabled="true"] { opacity: .45; pointer-events: none; }
.qsa-cs-empty { padding: 12px; text-align: center; color: var(--color-secondary-text); font: var(--text-input); }
/* Each glass card is its own stacking context (backdrop-filter), so an in-card popup can't paint over a
   later sibling card by z-index alone — lift the whole card while one of its selects/menus is open. */
.qsa-card:has(.qsa-cs.is-open), .qsa-card:has(.qsa-dd.is-open), .qsa-card:has(.choices.is-open) { position: relative; z-index: 20; }

/* checkbox / radio */
.qsa-check { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-size: 14px; }
.qsa-check input { position: absolute; opacity: 0; width: 0; height: 0; }
.qsa-check .qsa-box { width: 18px; height: 18px; border-radius: 6px; box-shadow: inset 0 0 0 1.5px var(--glass-border); background: var(--glass-field); display: inline-flex; align-items: center; justify-content: center; transition: var(--transition); flex: none; }
.qsa-check.qsa-radio .qsa-box { border-radius: 50%; }
.qsa-check .qsa-box svg { opacity: 0; transform: scale(0.6); transition: var(--transition); color: #fff; }
.qsa-check input:checked + .qsa-box { background: var(--qsk-accent); box-shadow: inset 0 0 0 1.5px var(--qsk-accent); }
.qsa-check input:checked + .qsa-box svg { opacity: 1; transform: scale(1); }
.qsa-check.qsa-radio input:checked + .qsa-box { background: var(--qsk-accent); }
.qsa-check.qsa-radio input:checked + .qsa-box::after { content: ''; width: 7px; height: 7px; border-radius: 50%; background: #fff; }
.qsa-check input:focus-visible + .qsa-box { box-shadow: inset 0 0 0 1.5px var(--qsk-accent), 0 0 0 3px color-mix(in oklab, var(--qsk-accent) 30%, transparent); }
/* switch */
.qsa-switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-size: 14px; }
.qsa-switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.qsa-switch .qsa-track { width: 40px; height: 24px; border-radius: 100px; background: var(--glass-well); box-shadow: inset 0 0 0 1px var(--glass-border); position: relative; transition: var(--transition); flex: none; }
.qsa-switch .qsa-track::after { content: ''; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.2); transition: var(--transition); }
.qsa-switch input:checked + .qsa-track { background: var(--qsk-accent); box-shadow: none; }
.qsa-switch input:checked + .qsa-track::after { transform: translateX(16px); }
.qsa-switch input:focus-visible + .qsa-track { box-shadow: 0 0 0 3px color-mix(in oklab, var(--qsk-accent) 30%, transparent); }

/* ============================ Misc ============================ */
.qsa-empty { text-align: center; padding: 40px 20px; color: var(--color-secondary-text); }
.qsa-chip { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px 4px 12px; border-radius: 100px; background: var(--glass-well); font-size: 13px; }
.qsa-chip button { background: none; border: 0; color: var(--color-secondary-text); cursor: pointer; padding: 0; line-height: 1; }
.qsa-divider { height: 1px; background: var(--glass-border); border: 0; margin: 20px 0; }
.qsa-muted { color: var(--color-secondary-text); }

/* ===================== Overlays & feedback (Phase 2) ===================== */

/* Modal / offcanvas — native <dialog>, so they render in the browser top layer (no card z-index games). */
.qsa-modal { padding: 0; width: min(460px, calc(100vw - 32px)); border: 1px solid var(--glass-border); border-radius: var(--radius-card); background: var(--overlay); backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur)); color: var(--color-primary-text); box-shadow: var(--shadow-popover); }
.qsa-modal::backdrop { background: rgba(3, 8, 20, 0.5); backdrop-filter: blur(2px); }
.qsa-modal[open] { animation: qsa-pop-in 0.16s ease; }
.qsa-modal-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 14px 16px 22px; border-bottom: 1px solid var(--glass-border); }
.qsa-modal-head h2, .qsa-modal-head h3 { font: var(--text-subtitle); margin: 0; }
.qsa-modal-body { padding: 20px 22px; color: var(--color-secondary-text); font: var(--text-input); }
.qsa-modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 14px 22px 18px; }
/* Pin to an edge, full height. Explicit inset overrides the UA modal centering (margin:auto), which
   otherwise fights a right-aligned panel and pushes it partly off-screen. */
.qsa-offcanvas { position: fixed; inset: 0 0 0 auto; margin: 0; width: min(360px, 100vw); max-width: 100vw; height: 100dvh; max-height: 100dvh; border-radius: 0; border-width: 0 0 0 1px; }
/* Flex layout only when open — a plain `display:flex` on the base would override the UA
   `dialog:not([open]){display:none}`, leaving both panels permanently on screen (and un-closable). */
.qsa-offcanvas[open] { display: flex; flex-direction: column; animation: qsa-slide-in 0.2s ease; }
.qsa-offcanvas.qsa-offcanvas-left { inset: 0 auto 0 0; border-width: 0 1px 0 0; }
.qsa-offcanvas.qsa-offcanvas-left[open] { animation: qsa-slide-in-left 0.2s ease; }
.qsa-offcanvas .qsa-modal-body { flex: 1; overflow-y: auto; }

/* Dropdown / action menu */
.qsa-dd { position: relative; display: inline-block; }
.qsa-dd-menu { position: absolute; z-index: 50; top: calc(100% + 6px); left: 0; min-width: 190px; padding: 6px; border: 1px solid var(--glass-border); border-radius: var(--radius-dropdown); background: var(--overlay); backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur)); box-shadow: var(--shadow-popover); }
.qsa-dd-menu[hidden] { display: none; }
.qsa-dd-menu.qsa-dd-end { left: auto; right: 0; }
.qsa-dd-heading { padding: 6px 12px 4px; font: var(--text-small); color: var(--color-secondary-text); text-transform: uppercase; letter-spacing: .04em; }
.qsa-dd-item { display: flex; align-items: center; gap: 10px; width: 100%; padding: 9px 12px; border: 0; border-radius: 8px; background: none; font: var(--text-input); font-family: inherit; color: var(--color-secondary-text); text-align: left; cursor: pointer; transition: var(--transition); }
.qsa-dd-item:hover, .qsa-dd-item.is-active { background: var(--glass-well); color: var(--color-primary-text); }
.qsa-dd-item svg { flex: none; color: var(--color-secondary-text); }
.qsa-dd-item.qsa-dd-danger { color: oklch(0.6 0.17 25); }
.qsa-dd-item.qsa-dd-danger:hover, .qsa-dd-item.qsa-dd-danger.is-active { background: oklch(0.6 0.17 25 / 0.12); color: oklch(0.6 0.17 25); }
.qsa-dd-item.qsa-dd-danger svg { color: currentColor; }
.qsa-dd-sep { height: 1px; margin: 6px 4px; background: var(--glass-border); }

/* Tooltip — CSS only, on any [data-qsa-tooltip]. Inverts against the surface for contrast. */
[data-qsa-tooltip] { position: relative; }
[data-qsa-tooltip]::after { content: attr(data-qsa-tooltip); position: absolute; z-index: 60; bottom: calc(100% + 9px); left: 50%; transform: translateX(-50%) translateY(4px); padding: 6px 10px; border-radius: var(--radius-tooltip); background: var(--color-secondary); color: var(--color-bg); font: var(--text-small); white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity .14s, transform .14s; box-shadow: var(--shadow-popover); }
[data-qsa-tooltip]::before { content: ''; position: absolute; z-index: 60; bottom: calc(100% + 4px); left: 50%; transform: translateX(-50%); border: 5px solid transparent; border-top-color: var(--color-secondary); opacity: 0; pointer-events: none; transition: opacity .14s; }
[data-qsa-tooltip]:hover::after, [data-qsa-tooltip]:focus-visible::after { opacity: 1; transform: translateX(-50%) translateY(0); }
[data-qsa-tooltip]:hover::before, [data-qsa-tooltip]:focus-visible::before { opacity: 1; }
[data-qsa-tooltip][data-qsa-tip="bottom"]::after { bottom: auto; top: calc(100% + 9px); transform: translateX(-50%) translateY(-4px); }
[data-qsa-tooltip][data-qsa-tip="bottom"]:hover::after, [data-qsa-tooltip][data-qsa-tip="bottom"]:focus-visible::after { transform: translateX(-50%) translateY(0); }
[data-qsa-tooltip][data-qsa-tip="bottom"]::before { bottom: auto; top: calc(100% + 4px); border-top-color: transparent; border-bottom-color: var(--color-secondary); }

/* Toasts — a fixed stack on the bottom-right, populated by window.qskToast(). */
.qsa-toasts { position: fixed; z-index: 200; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 10px; width: min(360px, calc(100vw - 40px)); pointer-events: none; }
.qsa-toast { display: flex; align-items: flex-start; gap: 10px; padding: 12px 12px 12px 14px; border: 1px solid var(--glass-border); border-radius: var(--radius-dropdown); background: var(--overlay); backdrop-filter: blur(var(--glass-blur)); -webkit-backdrop-filter: blur(var(--glass-blur)); box-shadow: var(--shadow-popover); color: var(--color-primary-text); font: var(--text-input); pointer-events: auto; animation: qsa-toast-in .2s ease; }
.qsa-toast.is-leaving { animation: qsa-toast-out .18s ease forwards; }
.qsa-toast-ico { flex: none; margin-top: 1px; color: var(--color-secondary-text); }
.qsa-toast-success .qsa-toast-ico { color: oklch(0.62 0.15 155); }
.qsa-toast-danger .qsa-toast-ico { color: oklch(0.6 0.17 25); }
.qsa-toast-info .qsa-toast-ico { color: var(--qsk-accent); }
.qsa-toast-body { flex: 1; padding-top: 1px; }
.qsa-toast-close { flex: none; border: 0; background: none; color: var(--color-secondary-text); cursor: pointer; padding: 0 2px; line-height: 1; }
.qsa-toast-close:hover { color: var(--color-primary-text); }

/* Accordion — native <details>, single-open groups opt in via data-qsa-accordion (kit.js). */
.qsa-acc { border: 1px solid var(--glass-border); border-radius: var(--radius-dropdown); overflow: hidden; background: var(--glass-well); }
.qsa-acc-item { border-bottom: 1px solid var(--glass-border); }
.qsa-acc-item:last-child { border-bottom: 0; }
.qsa-acc-item > summary { list-style: none; cursor: pointer; padding: 14px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; font: var(--text-input); font-weight: 500; color: var(--color-primary-text); }
.qsa-acc-item > summary::-webkit-details-marker { display: none; }
.qsa-acc-item > summary:hover { background: var(--glass-well); }
.qsa-acc-caret { flex: none; color: var(--color-secondary-text); transition: transform var(--transition); }
.qsa-acc-item[open] > summary .qsa-acc-caret { transform: rotate(180deg); }
.qsa-acc-body { padding: 0 16px 16px; color: var(--color-secondary-text); font: var(--text-input); }
/* Open/close animation via ::details-content (Chromium); interpolate-size lets it ease to auto height.
   Browsers without support just open instantly. */
:root { interpolate-size: allow-keywords; }
@media (prefers-reduced-motion: no-preference) {
  .qsa-acc-item::details-content { block-size: 0; overflow: clip; transition: block-size .26s ease, content-visibility .26s allow-discrete; }
  .qsa-acc-item[open]::details-content { block-size: auto; }
}

@keyframes qsa-pop-in { from { opacity: 0; transform: scale(0.96); } to { opacity: 1; transform: scale(1); } }
@keyframes qsa-slide-in { from { transform: translateX(100%); } to { transform: translateX(0); } }
@keyframes qsa-slide-in-left { from { transform: translateX(-100%); } to { transform: translateX(0); } }
@keyframes qsa-toast-in { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: translateX(0); } }
@keyframes qsa-toast-out { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(24px); } }

/* ===================== Icons (Phase 3) ===================== */
.qsa-link { color: var(--qsk-accent); text-decoration: none; }
.qsa-link:hover { text-decoration: underline; }
.qsa-ico { width: 20px; height: 20px; display: inline-block; vertical-align: middle; flex: none; }
.qsa-ico-lg { width: 28px; height: 28px; }
.qsa-icons { display: grid; grid-template-columns: repeat(auto-fill, minmax(92px, 1fr)); gap: 8px; }
.qsa-ico-cell { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 16px 8px; border: 0; border-radius: var(--radius-dropdown); background: none; color: var(--color-primary-text); cursor: pointer; transition: var(--transition); }
.qsa-ico-cell:hover { background: var(--glass-well); }
.qsa-ico-cell svg { width: 24px; height: 24px; }
.qsa-ico-cell .qsa-ico-name { font-size: 11px; line-height: 1.2; color: var(--color-secondary-text); max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.qsa-ico-cell:hover .qsa-ico-name { color: var(--color-primary-text); }
.qsa-spark { margin-top: 6px; min-height: 60px; }