/* LCARS Look 1.0.1 (2026-10-13): the backdrop layer, the pull tab and the options drawer, plus shared keyframes.
   CANONICAL SOURCE: /Users/mike/projects/lcars-look/ (README.md there). Each app vendors a byte-identical copy.
   Everything here is keyed to html.llk-on (set by lcars-look.js while the app's LCARS look is showing) and reads only
   --llk-* properties, so it themes itself with the palette. App-specific frame rules live in each app's own CSS.
   Fonts: --llk-display / --llk-body-font may be set by the app; the defaults name the families the apps self-host. */

/* ---------------------------------------------------------------------------------------- backdrop layer */
.llk-backdrop { display: none; }
.llk-on.llk-see-through .llk-backdrop { display: block; position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; background: var(--llk-canvas); }
.llk-backdrop::before, .llk-backdrop::after { content: ''; position: absolute; inset: -20%; }
.llk-on.llk-bd-grid .llk-backdrop { background:
    linear-gradient(var(--llk-grid-line) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(90deg, var(--llk-grid-line) 1px, transparent 1px) 0 0 / 48px 48px,
    radial-gradient(ellipse 70% 60% at 62% 38%, var(--llk-grid-glow), var(--llk-canvas) 72%); }
.llk-on.llk-bd-haze .llk-backdrop::before { background:
    radial-gradient(38% 42% at 26% 30%, var(--llk-haze-1), transparent 70%),
    radial-gradient(34% 40% at 78% 64%, var(--llk-haze-2), transparent 70%); }
.llk-on.llk-bd-haze .llk-backdrop::after { background:
    radial-gradient(30% 36% at 60% 22%, var(--llk-haze-3), transparent 70%),
    radial-gradient(26% 30% at 18% 78%, var(--llk-haze-4), transparent 70%); }
.llk-veil { position: absolute; inset: 0; z-index: 1; background: var(--llk-canvas); opacity: var(--llk-veil); }

/* ------------------------------------------------------------------------------------------------ pull tab */
.llk-tab { display: none; }
.llk-on .llk-tab:not([hidden]):not(.llk-tab--none) {
  display: flex; align-items: center; justify-content: center; position: fixed; right: 0; top: 50%; z-index: 8999;
  width: 26px; height: 92px; margin-top: -46px; padding: 0; border: 0; border-radius: 13px 0 0 13px; cursor: pointer;
  background: var(--llk-secondary); color: var(--llk-secondary-solid-ink, #080a0d);
  box-shadow: -2px 0 12px rgba(0, 0, 0, 0.35), var(--llk-active-glow, 0 0 0 transparent);
  transition: width .16s ease, background .16s ease;
}
.llk-on .llk-tab:hover { width: 30px; }
.llk-on.llk-drawer-open .llk-tab:not([hidden]):not(.llk-tab--none) { background: var(--llk-elbow); color: var(--llk-elbow-solid-ink, #080a0d); }
.llk-tab-lbl { writing-mode: vertical-rl; transform: rotate(180deg); font: 600 13px/1 var(--llk-display, 'Barlow Condensed', 'Arial Narrow', sans-serif); letter-spacing: .14em; text-transform: uppercase; }
.llk-tab:focus-visible { outline: 2px solid var(--llk-text); outline-offset: 3px; }

/* ------------------------------------------------------------------------------------------------- drawer */
.llk-drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 9000; width: min(380px, 100vw);
  display: flex; flex-direction: column; visibility: hidden; transform: translateX(104%);
  background: var(--llk-panel); color: var(--llk-text); border-left: 1px solid var(--llk-line);
  box-shadow: -18px 0 60px rgba(0, 0, 0, 0.5);
  font: 400 14px/1.45 var(--llk-body-font, Inter, 'Segoe UI', system-ui, sans-serif); text-align: left; text-transform: none; letter-spacing: normal;
  transition: transform .28s cubic-bezier(.2, .8, .2, 1), visibility 0s linear .28s;
}
.llk-drawer.llk-open { visibility: visible; transform: none; transition: transform .28s cubic-bezier(.2, .8, .2, 1), visibility 0s; }
.llk-light .llk-drawer { box-shadow: -18px 0 50px rgba(0, 0, 0, 0.18); }
.llk-drawer *, .llk-drawer *::before, .llk-drawer *::after { box-sizing: border-box; }
:where(.llk-drawer) button { font: inherit; color: inherit; }
:where(.llk-drawer) :is(h2, h3, p, section, div) { text-transform: none; letter-spacing: normal; }
.llk-drawer :focus-visible { outline: 2px solid var(--llk-secondary-text, var(--llk-secondary)); outline-offset: 2px; }

.llk-head { position: relative; display: grid; grid-template-columns: 54px minmax(0, 1fr) auto; align-items: start; gap: 12px; padding: 16px 16px 18px; }
.llk-head-elbow { width: 54px; height: 46px; border-radius: 26px 0 0 0; background: var(--llk-elbow); filter: var(--llk-chrome-glow, none); }
.llk-head-band { position: absolute; left: 70px; right: 16px; top: 54px; height: 8px; border-radius: 0 5px 5px 0; filter: var(--llk-chrome-glow, none);
  background: linear-gradient(to right, var(--llk-band-1) 0 46%, transparent 46% 47.5%, var(--llk-band-2) 47.5% 72%, transparent 72% 73.5%, var(--llk-band-3) 73.5% 90%, transparent 90% 91.5%, var(--llk-band-4) 91.5%); }
.llk-title { margin: 6px 0 0; font: 600 26px/1 var(--llk-display, 'Barlow Condensed', 'Arial Narrow', sans-serif); letter-spacing: .03em; text-transform: uppercase; color: var(--llk-title); text-shadow: var(--llk-text-glow, none); }
.llk-title:focus { outline: none; }
.llk-close { margin-top: 2px; border: 0; border-radius: 0 18px 18px 0; padding: 9px 14px; cursor: pointer; background: var(--llk-secondary); color: var(--llk-secondary-solid-ink, #080a0d);
  font: 600 14px/1 var(--llk-display, 'Barlow Condensed', 'Arial Narrow', sans-serif) !important; letter-spacing: .08em; text-transform: uppercase; }

.llk-body { flex: 1; min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 4px 16px 16px; display: grid; align-content: start; gap: 8px; scrollbar-width: thin; scrollbar-color: var(--llk-line-strong) transparent; }
.llk-sec { display: grid; gap: 10px; }
.llk-sec-h { margin: 0; }
.llk-acc { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 42px; padding: 0 14px 0 18px; border: 0; cursor: pointer; text-align: left;
  border-radius: 21px 4px 4px 21px; background: var(--llk-actbg); color: var(--llk-actfg); border-left: 6px solid var(--llk-cool); }
.llk-acc:hover { background: var(--llk-raised); }
.llk-acc[aria-expanded="true"] { background: var(--llk-cool); color: var(--llk-cool-solid-ink, #080a0d); border-left-color: var(--llk-elbow); }
.llk-acc-lbl { font: 600 17px/1 var(--llk-display, 'Barlow Condensed', 'Arial Narrow', sans-serif); letter-spacing: .06em; text-transform: uppercase; }
.llk-acc-val { margin-left: auto; font: 600 13px/1 var(--llk-display, 'Barlow Condensed', 'Arial Narrow', sans-serif); letter-spacing: .06em; text-transform: uppercase; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 55%; }
.llk-acc::after { content: '+'; font: 600 18px/1 var(--llk-display, 'Barlow Condensed', 'Arial Narrow', sans-serif); width: 12px; text-align: center; }
.llk-acc[aria-expanded="true"]::after { content: '−'; }
.llk-panel { display: grid; gap: 10px; padding: 2px 2px 10px 6px; }
.llk-panel[hidden] { display: none; }

.llk-pals { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.llk-pal { display: grid; gap: 6px; align-content: start; min-width: 0; padding: 9px 10px 10px 12px; text-align: left; cursor: pointer;
  border: 1px solid var(--llk-line); border-radius: 14px 4px 4px 14px; background: var(--llk-canvas); }
.llk-pal:hover { border-color: var(--llk-line-strong); }
.llk-pal[aria-pressed="true"] { border-color: var(--llk-ring); box-shadow: inset 0 0 0 1px var(--llk-ring); }
.llk-pal-nm { font: 600 16px/1 var(--llk-display, 'Barlow Condensed', 'Arial Narrow', sans-serif); letter-spacing: .05em; text-transform: uppercase; color: var(--llk-text); }
.llk-sw { display: flex; height: 9px; gap: 2px; }
.llk-sw i { flex: 1; display: block; }
.llk-sw i:first-child { border-radius: 5px 0 0 5px; }
.llk-sw i:last-child { border-radius: 0 5px 5px 0; }
.llk-pal-tag { font: 600 11px/1 var(--llk-display, 'Barlow Condensed', 'Arial Narrow', sans-serif); letter-spacing: .1em; text-transform: uppercase; color: var(--llk-secondary-text, var(--llk-secondary)); }
.llk-pal-desc { font-size: 11.5px; line-height: 1.35; color: var(--llk-muted); }

.llk-seg { display: flex; flex-wrap: wrap; gap: 3px; }
.llk-seg-b { flex: 1 1 auto; min-height: 36px; padding: 0 10px; border: 0; border-radius: 3px; cursor: pointer; background: var(--llk-raised); color: var(--llk-text);
  font: 600 14px/1 var(--llk-display, 'Barlow Condensed', 'Arial Narrow', sans-serif) !important; letter-spacing: .06em; text-transform: uppercase; }
.llk-seg-b:first-child { border-radius: 18px 3px 3px 18px; }
.llk-seg-b:last-child { border-radius: 3px 18px 18px 3px; }
.llk-seg-b:hover { background: var(--llk-line); }
.llk-seg-b[aria-pressed="true"] { background: var(--llk-elbow); color: var(--llk-elbow-solid-ink, #080a0d); }
.llk-hint { margin: 0; font-size: 12px; line-height: 1.45; color: var(--llk-muted); }
.llk-range { display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; align-items: center; }
.llk-range-l { font: 600 13px/1 var(--llk-display, 'Barlow Condensed', 'Arial Narrow', sans-serif); letter-spacing: .1em; text-transform: uppercase; color: var(--llk-muted); }
.llk-range-o { font: 600 14px/1 var(--llk-display, 'Barlow Condensed', 'Arial Narrow', sans-serif); letter-spacing: .04em; font-variant-numeric: tabular-nums; color: var(--llk-text); }
.llk-range input { grid-column: 1 / -1; width: 100%; margin: 0; accent-color: var(--llk-elbow); }
.llk-toggles { display: grid; gap: 6px; }
.llk-toggle { display: flex; align-items: center; justify-content: space-between; min-height: 40px; padding: 0 14px 0 16px; border: 0; cursor: pointer;
  border-radius: 20px 4px 4px 20px; background: var(--llk-raised); color: var(--llk-text); }
.llk-toggle-lbl { font: 600 15px/1 var(--llk-display, 'Barlow Condensed', 'Arial Narrow', sans-serif); letter-spacing: .05em; text-transform: uppercase; }
.llk-toggle-val { font: 600 12px/1 var(--llk-display, 'Barlow Condensed', 'Arial Narrow', sans-serif); letter-spacing: .1em; text-transform: uppercase; padding: 5px 9px 4px; border-radius: 999px; background: var(--llk-canvas); color: var(--llk-muted); }
.llk-toggle[aria-pressed="true"] .llk-toggle-val { background: var(--llk-elbow); color: var(--llk-elbow-solid-ink, #080a0d); }
.llk-btn { justify-self: start; min-height: 38px; padding: 0 18px; border: 0; border-radius: 19px; cursor: pointer; background: var(--llk-raised); color: var(--llk-text);
  font: 600 14px/1 var(--llk-display, 'Barlow Condensed', 'Arial Narrow', sans-serif) !important; letter-spacing: .08em; text-transform: uppercase; }
.llk-btn:hover { background: var(--llk-line); }
.llk-btn--pri { background: var(--llk-secondary); color: var(--llk-secondary-solid-ink, #080a0d); }
.llk-btn--pri:hover { background: var(--llk-elbow); color: var(--llk-elbow-solid-ink, #080a0d); }
.llk-foot { display: grid; gap: 8px; padding: 12px 16px 16px; border-top: 1px solid var(--llk-line); padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px)); }
.llk-cx { margin: 0; font-size: 12px; color: var(--llk-muted); }

@media (max-width: 520px) {
  .llk-on .llk-tab:not([hidden]):not(.llk-tab--none) { width: 22px; height: 76px; margin-top: -38px; }
  .llk-pals { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  .llk-drawer, .llk-drawer.llk-open, .llk-tab { transition: none; }
}
@media print { .llk-backdrop, .llk-tab, .llk-drawer { display: none !important; } }

/* ---------------------------------------------------------------------- shared keyframes for app CSS */
@keyframes llk-wipe { from { clip-path: inset(0 100% 0 0); } to { clip-path: inset(0 0 0 0); } }
@keyframes llk-sweep { from { transform: scaleX(0); transform-origin: left; } to { transform: scaleX(1); transform-origin: left; } }
@keyframes llk-light-on { 0% { opacity: 0; } 60% { opacity: .35; } 100% { opacity: 1; } }
@keyframes llk-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes llk-drift { to { transform: translate(6%, 4%) scale(1.08); } }
@keyframes llk-drift2 { to { transform: translate(-5%, -3%) scale(1.1); } }
@keyframes llk-pulse { 50% { opacity: .55; } }
@media (prefers-reduced-motion: no-preference) {
  .llk-on.llk-bd-haze .llk-backdrop::before { animation: llk-drift 36s ease-in-out infinite alternate; }
  .llk-on.llk-bd-haze .llk-backdrop::after { animation: llk-drift2 44s ease-in-out infinite alternate; }
}