/* ==========================================================================
   万物解构 · 观察台 — liquid-glass UI skin
   Default style: <body class="glass-ui"> on every library page. Static highlights for list rows;
   backdrop-filter only on a small set of floating controls.
   ========================================================================== */

body.glass-ui {
  --glass-ui-fill: linear-gradient(45deg, rgba(255, 255, 255, 0.56) 0%, transparent 22%, transparent 78%, rgba(255, 255, 255, 0.46) 100%), rgba(255, 255, 255, 0.035);
  --glass-ui-border: rgba(51, 51, 51, 0.1);
  --glass-ui-inner-dark: rgba(25, 40, 58, 0.16);
  --glass-ui-shadow:
    inset 2px -2px 1px -1px rgba(255, 255, 255, 0.9),
    inset -2px 2px 1px -1px rgba(255, 255, 255, 0.75),
    inset 6px -6px 1px -6px rgba(255, 255, 255, 0.5),
    inset -6px 6px 1px -6px rgba(255, 255, 255, 0.5),
    inset 0 0 5px rgba(0, 0, 0, 0.18),
    0 8px 20px rgba(20, 35, 55, 0.16);
  --glass-ui-blur: blur(2px) contrast(2.8) brightness(0.94) saturate(1.04);

  background: radial-gradient(1200px 640px at 18% -12%, var(--bg-glow), transparent 62%), var(--bg);
}

body.dark.glass-ui {
  --glass-ui-fill: linear-gradient(45deg, rgba(255, 255, 255, 0.07) 0%, transparent 22%, transparent 78%, rgba(255, 255, 255, 0.05) 100%), rgba(255, 255, 255, 0.015);
  --glass-ui-border: rgba(255, 255, 255, 0.15);
  --glass-ui-inner-dark: rgba(0, 0, 0, 0.5);
  --glass-ui-shadow:
    inset 2px -2px 1px -1px rgba(255, 255, 255, 0.32),
    inset -2px 2px 1px -1px rgba(255, 255, 255, 0.24),
    inset 6px -6px 1px -6px rgba(255, 255, 255, 0.16),
    inset -6px 6px 1px -6px rgba(255, 255, 255, 0.16),
    inset 0 0 6px rgba(0, 0, 0, 0.65),
    0 10px 26px rgba(0, 0, 0, 0.42);

  background: radial-gradient(1200px 640px at 18% -12%, var(--bg-glow), transparent 62%), var(--bg);
}

/* the lower big page is glass too; no grid is drawn in the UI */
body.glass-ui .workbench {
  border: 1px double var(--glass-ui-border);
  background: var(--glass-ui-fill);
  box-shadow:
    var(--glass-ui-shadow),
    0 22px 60px rgba(20, 35, 55, 0.16);
  backdrop-filter: var(--glass-ui-blur);
  -webkit-backdrop-filter: var(--glass-ui-blur);
}

body.dark.glass-ui .workbench {
  border: 1px double var(--glass-ui-border);
  background: var(--glass-ui-fill);
  box-shadow:
    var(--glass-ui-shadow),
    0 24px 70px rgba(0, 0, 0, 0.5);
}

/* the workbench interior stays transparent; no grid is drawn inside it */
body.glass-ui .bench-body,
body.dark.glass-ui .bench-body {
  background: transparent;
  border-radius: var(--r-lg);
}

/* the second-level bar ("剖视观察 / 系统分散陈列") gets the same glass skin */
body.glass-ui .view-header {
  margin: 10px 12px 0;
  border: 1px double var(--glass-ui-border);
  border-radius: var(--r-lg);
  background: var(--glass-ui-fill);
  box-shadow: var(--glass-ui-shadow);
  backdrop-filter: var(--glass-ui-blur);
  -webkit-backdrop-filter: var(--glass-ui-blur);
}

/* the three big panels: rimmed glass, but blank inside */
body.glass-ui .side-panel,
body.glass-ui .inspector {
  border: 1px double var(--glass-ui-border);
  background:
    linear-gradient(45deg, rgba(255, 255, 255, 0.56) 0%, transparent 23%, transparent 77%, rgba(255, 255, 255, 0.44) 100%),
    #ffffff;
  box-shadow: var(--glass-ui-shadow);
}

body.glass-ui .viewport {
  border: 1px double var(--glass-ui-border);
  background: var(--canvas-bg);
  box-shadow: var(--glass-ui-shadow);
}

body.dark.glass-ui .side-panel,
body.dark.glass-ui .inspector {
  border-color: var(--glass-ui-border);
  background:
    linear-gradient(45deg, rgba(255, 255, 255, 0.11) 0%, transparent 23%, transparent 77%, rgba(255, 255, 255, 0.08) 100%),
    #232327;
  box-shadow: var(--glass-ui-shadow);
}

body.dark.glass-ui .viewport {
  border-color: var(--glass-ui-border);
  box-shadow: var(--glass-ui-shadow);
}

/* header sub-pills: specs, source, language/theme */
body.glass-ui .header-spec,
body.glass-ui .header-actions .text-button,
body.glass-ui .header-tools {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  background: var(--glass-ui-fill);
  border: 1px double var(--glass-ui-border);
  box-shadow: var(--glass-ui-shadow);
}

body.glass-ui .header-spec {
  padding: 0 10px;
}

body.glass-ui .header-actions .text-button {
  padding: 0 10px;
}

body.glass-ui .header-tools {
  height: 30px;
  padding: 2px;
}

body.glass-ui .header-tools .icon-button {
  width: 26px;
  height: 26px;
}

/* structural mode segmented control */
body.glass-ui .segmented {
  background: var(--glass-ui-fill);
  border: 1px double var(--glass-ui-border);
  box-shadow: var(--glass-ui-shadow);
  backdrop-filter: var(--glass-ui-blur);
  -webkit-backdrop-filter: var(--glass-ui-blur);
}

body.glass-ui .segmented-thumb {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.66));
  border: 1px solid rgba(255, 255, 255, 0.8);
  box-shadow:
    inset 0 1px 0 #fff,
    inset 0 -3px 6px -4px rgba(0, 0, 0, 0.18),
    0 2px 6px rgba(20, 35, 55, 0.08);
}

body.dark.glass-ui .segmented-thumb {
  background: linear-gradient(160deg, #f1f1f4, #d4d4da);
  border-color: rgba(255, 255, 255, 0.72);
  box-shadow:
    inset 0 1px 0 #fff,
    inset 0 -3px 6px -4px rgba(0, 0, 0, 0.22),
    0 2px 6px rgba(0, 0, 0, 0.28);
}

body.dark.glass-ui .segmented button.active {
  color: #1b1b1e;
}

/* viewport tools: tool dock, spread rail, footer controls, guide chip */
body.glass-ui .view-tools,
body.glass-ui .explode-control,
body.glass-ui .footer-tools .small-button,
body.glass-ui .guide-toggle {
  background: var(--glass-ui-fill);
  border: 1px double var(--glass-ui-border);
  box-shadow: var(--glass-ui-shadow);
  backdrop-filter: var(--glass-ui-blur);
  -webkit-backdrop-filter: var(--glass-ui-blur);
}

body.glass-ui .view-tools .tool-divider {
  background: rgba(30, 45, 62, 0.12);
}

/* signature selection chip and context panel */
body.glass-ui #selection-chip,
body.glass-ui .context-control {
  background: var(--glass-ui-fill);
  border: 1px double var(--glass-ui-border);
  box-shadow: var(--glass-ui-shadow);
  backdrop-filter: var(--glass-ui-blur);
  -webkit-backdrop-filter: var(--glass-ui-blur);
}

body.glass-ui #selection-chip {
  border: 1px double var(--accent-line);
}



/* observation rows: static glass (no per-row backdrop-filter) */
body.glass-ui .observation {
  background: var(--glass-ui-fill);
  border: 1px double var(--glass-ui-border);
  box-shadow: var(--glass-ui-shadow);
}

body.glass-ui .observation.active {
  background:
    linear-gradient(135deg, rgba(234, 240, 252, 0.88), rgba(234, 240, 252, 0.56)),
    var(--glass-ui-fill);
  border: 1px double var(--accent-line);
}

body.dark.glass-ui .observation.active {
  background:
    linear-gradient(135deg, rgba(48, 58, 76, 0.92), rgba(44, 44, 46, 0.74)),
    var(--glass-ui-fill);
}

/* transport: one glass capsule around play / step / speed */
body.glass-ui .playback {
  padding: 4px 7px;
  border: 1px double var(--glass-ui-border);
  border-radius: var(--r-pill);
  background: var(--glass-ui-fill);
  box-shadow: var(--glass-ui-shadow);
  backdrop-filter: var(--glass-ui-blur);
  -webkit-backdrop-filter: var(--glass-ui-blur);
  align-items: center;
}

body.glass-ui .play-button {
  width: 33px;
  height: 33px;
}

body.glass-ui .playback .icon-button {
  width: 30px;
  height: 30px;
}

body.glass-ui .step-button {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
}

body.glass-ui .speed-control {
  min-height: 28px;
  align-items: center;
  border-color: transparent;
  background: transparent;
  box-shadow: none;
}

body.glass-ui .speed-button {
  min-height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 3px 7px;
}

body.glass-ui .speed-button.active {
  background: linear-gradient(160deg, #fff, rgba(255, 255, 255, 0.7));
  box-shadow:
    inset 0 1px 0 #fff,
    inset 0 -2px 4px rgba(0, 0, 0, 0.1),
    0 1px 4px rgba(20, 35, 55, 0.08);
}

body.dark.glass-ui .speed-control {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
}

body.dark.glass-ui .speed-button.active {
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.07));
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    0 1px 4px rgba(0, 0, 0, 0.25);
}

/* light popover follows the same surface */
body.glass-ui .light-popover {
  background: var(--glass-ui-fill);
  border: 1px double var(--glass-ui-border);
  box-shadow: var(--glass-ui-shadow);
  backdrop-filter: var(--glass-ui-blur);
  -webkit-backdrop-filter: var(--glass-ui-blur);
}

/* active navigation rows get a quieter glass tint, not a full glossy card */
body.glass-ui .system-item.active,
body.glass-ui .phase-item.active {
  border: 1px double rgba(255, 255, 255, 0.56);
  background:
    linear-gradient(45deg, rgba(255, 255, 255, 0.58), transparent 24%, transparent 76%, rgba(255, 255, 255, 0.38)),
    var(--accent-soft);
  box-shadow: var(--glass-ui-shadow);
}

body.dark.glass-ui .system-item.active,
body.dark.glass-ui .phase-item.active {
  border-color: rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(45deg, rgba(255, 255, 255, 0.1), transparent 24%, transparent 76%, rgba(255, 255, 255, 0.05)),
    var(--accent-soft);
  box-shadow: var(--glass-ui-shadow);
}

/* keep small static controls crisp on very narrow screens */
@media (max-width: 720px) {
  body.glass-ui .playback {
    padding: 3px 5px;
  }

  body.glass-ui .header-spec {
    display: none;
  }

  body.glass-ui .view-header {
    margin: 6px 6px 0;
    border-radius: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.glass-ui .segmented-thumb,
  body.glass-ui .speed-button.active {
    transition: none;
  }
}



/* Liquid glass is the default visual language for every library surface.
   The same optical recipe is used at different depths; text stays unfiltered. */
body.glass-ui {
  --glass-ui-fill: linear-gradient(135deg, rgb(255 255 255 / .46), rgb(255 255 255 / .08) 52%, rgb(255 255 255 / .3));
  --glass-ui-base: rgb(255 255 255 / .56);
  --glass-ui-border: rgb(30 40 52 / .18);
  --glass-ui-shadow: inset 0 1px 0 rgb(255 255 255 / .98), inset 0 -2px 4px rgb(0 0 0 / .13), inset 2px 0 2px rgb(255 255 255 / .65), inset -2px 0 2px rgb(0 0 0 / .08), inset 0 0 2px rgb(0 0 0 / .36), 0 9px 22px rgb(20 35 55 / .1);
  --glass-ui-blur: blur(2px) contrast(2.2) saturate(1.06) brightness(1.02);
  --glass-ui-rim: inset 0 1px 0 rgb(255 255 255 / .9), inset 0 -2px 3px rgb(0 0 0 / .1), 0 2px 5px rgb(20 35 55 / .06);
}
body.dark.glass-ui {
  --glass-ui-fill: linear-gradient(135deg, rgb(255 255 255 / .16), rgb(255 255 255 / .025) 52%, rgb(255 255 255 / .08));
  --glass-ui-base: rgb(31 31 35 / .78);
  --glass-ui-border: rgb(255 255 255 / .16);
  --glass-ui-shadow: inset 0 1px 0 rgb(255 255 255 / .32), inset 0 -2px 4px rgb(0 0 0 / .45), inset 2px 0 2px rgb(255 255 255 / .12), inset -2px 0 2px rgb(0 0 0 / .3), inset 0 0 2px rgb(0 0 0 / .55), 0 9px 22px rgb(0 0 0 / .24);
  --glass-ui-rim: inset 0 1px 0 rgb(255 255 255 / .2), inset 0 -2px 3px rgb(0 0 0 / .35), 0 2px 5px rgb(0 0 0 / .14);
}

/* Large static panes share the material without stacking expensive filters. */
body.glass-ui :is(.side-panel, .inspector, .demo-card, .swatch, .frame-card, .lab-top, .lab-stage) {
  border: 1px solid var(--glass-ui-border);
  background: var(--glass-ui-fill), var(--glass-ui-base);
  box-shadow: var(--glass-ui-shadow);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
body.glass-ui :is(.site-header, .view-header, .transport, .light-popover, .context-control, .selection-chip, .notice, :where(#sources-dialog, #document-dialog)) {
  border: 1px solid var(--glass-ui-border);
  background: var(--glass-ui-fill), var(--glass-ui-base);
  box-shadow: var(--glass-ui-shadow);
  backdrop-filter: var(--glass-ui-blur);
  -webkit-backdrop-filter: var(--glass-ui-blur);
}
/* Replace the old header-only skin with the shared material. */
body.glass-ui .site-header[data-glass="liquid"]::before,
body.glass-ui .site-header[data-glass="liquid"]::after {
  content: none;
}
body.glass-ui :is(.workbench, .segmented, .view-tools, .explode-control, .header-tools, .playback) {
  background: var(--glass-ui-fill), var(--glass-ui-base);
  border-color: var(--glass-ui-border);
  box-shadow: var(--glass-ui-shadow);
}
body.glass-ui :is(.icon-button, .small-button, .step-button, .speed-button, .header-spec, .brand-mark, .observation, .system-item, .phase-item, .frame-item) {
  border: 1px solid var(--glass-ui-border);
  background: var(--glass-ui-fill);
  box-shadow: var(--glass-ui-rim);
}
body.glass-ui :is(.system-item, .phase-item) { margin-block: 2px; }
body.glass-ui :is(.system-item, .phase-item, .observation, .small-button, .icon-button, .speed-button, .frame-item).active {
  background: var(--glass-ui-fill), var(--accent-soft);
  border-color: var(--accent-line);
  color: var(--accent);
}

body.glass-ui .segmented-thumb {
  background: var(--glass-ui-fill), var(--surface);
  box-shadow: var(--glass-ui-rim);
}
body.dark.glass-ui .segmented button.active { color: var(--ink-strong); }
body.glass-ui :is(button, a, input) {
  transition: transform var(--dur-fast) var(--ease), opacity var(--dur-fast) ease, background-color var(--dur-fast) ease, color var(--dur-fast) ease;
}
@media (hover: hover) and (pointer: fine) {
  body.glass-ui :is(button, a):not(:disabled):hover { transform: scale(1.015); }
  body.glass-ui :is(.system-item, .phase-item, .observation):hover { background-color: var(--hover); }
}
body.glass-ui :is(button, a):not(:disabled):active { transform: scale(.98); }
body.glass-ui :is(button, a):focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Entry and exit share the same states, including native dialog top layers. */
body.glass-ui :is(.notice, .selection-chip, .context-control, .light-popover) {
  opacity: 1;
  translate: 0 0;
  transition: opacity 180ms var(--ease), translate 180ms var(--ease), display 180ms allow-discrete;
}
body.glass-ui :is(.notice, .selection-chip, .context-control, .light-popover)[hidden] { opacity: 0; translate: 0 5px; }
body.glass-ui :is(#sources-dialog, #document-dialog) {
  opacity: 0;
  translate: 0 8px;
  transition: opacity 220ms var(--ease), translate 220ms var(--ease), display 220ms allow-discrete, overlay 220ms allow-discrete;
}
body.glass-ui :is(#sources-dialog, #document-dialog)[open] { opacity: 1; translate: 0 0; animation: none; }
body.glass-ui dialog::backdrop {
  opacity: 0;
  transition: opacity 220ms ease, display 220ms allow-discrete, overlay 220ms allow-discrete;
}
body.glass-ui dialog[open]::backdrop { opacity: 1; }
@starting-style {
  body.glass-ui :is(.site-header, .gallery-hero, .demo-card, .workbench) { opacity: 0; transform: translateY(5px); }
  body.glass-ui :is(.notice, .selection-chip, .context-control, .light-popover) { opacity: 0; translate: 0 5px; }
  body.glass-ui :is(#sources-dialog, #document-dialog)[open] { opacity: 0; translate: 0 8px; }
  body.glass-ui dialog[open]::backdrop { opacity: 0; }
}
body.glass-ui :is(.site-header, .gallery-hero, .demo-card, .workbench) {
  transition: opacity 220ms var(--ease), transform 220ms var(--ease);
}
@supports not (backdrop-filter: blur(2px)) {
  body.glass-ui { --glass-ui-base: #fff; }
  body.dark.glass-ui { --glass-ui-base: #232327; }
}
@media (prefers-reduced-transparency: reduce) {
  body.glass-ui { --glass-ui-base: #fff; --glass-ui-blur: none; }
  body.dark.glass-ui { --glass-ui-base: #232327; }
}
@media (prefers-reduced-motion: reduce) {
  body.glass-ui :is(button, a):is(:hover, :active) { transform: none; }
  body.glass-ui :is(.notice, .selection-chip, .context-control, .light-popover, :where(#sources-dialog, #document-dialog)) { translate: none; }
}

body.glass-ui {
  --glass-ui-fill: linear-gradient(135deg, rgba(255, 255, 255, 0.46), rgba(255, 255, 255, 0.08) 52%, rgba(255, 255, 255, 0.3));
  --glass-ui-border: rgba(30, 40, 52, 0.24);
  --glass-ui-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.98),
    inset 0 -2px 4px rgba(0, 0, 0, 0.13),
    inset 2px 0 2px rgba(255, 255, 255, 0.65),
    inset -2px 0 2px rgba(0, 0, 0, 0.08),
    inset 0 0 2px rgba(0, 0, 0, 0.58),
    inset 6px -6px 1px -6px rgba(255, 255, 255, 0.5),
    inset -6px 6px 1px -6px rgba(255, 255, 255, 0.5),
    0 9px 22px rgba(20, 35, 55, 0.18);
}

body.dark.glass-ui {
  --glass-ui-fill: linear-gradient(135deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.025) 55%, rgba(255, 255, 255, 0.1));
  --glass-ui-border: rgba(255, 255, 255, 0.2);
  --glass-ui-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.4),
    inset 0 -2px 5px rgba(0, 0, 0, 0.62),
    inset 2px 0 2px rgba(255, 255, 255, 0.14),
    inset -2px 0 2px rgba(0, 0, 0, 0.3),
    inset 0 0 3px rgba(0, 0, 0, 0.8),
    inset 6px -6px 1px -6px rgba(255, 255, 255, 0.18),
    inset -6px 6px 1px -6px rgba(255, 255, 255, 0.18),
    0 14px 34px rgba(0, 0, 0, 0.5);
}

body.glass-ui { --glass-ui-base: rgb(255 255 255 / .12); }
body.dark.glass-ui { --glass-ui-base: rgb(31 31 35 / .38); }
body.glass-ui :is(.demo-card, .frame-card, .context-control) { position: relative; }
body.glass-ui :is(.site-header, .workbench, .view-header, .side-panel, .inspector, .demo-card, .view-tools, .selection-chip, .context-control, .light-popover, .playback, .notice, :where(#sources-dialog, #document-dialog)) { isolation: isolate; }
body.glass-ui :is(.site-header, .workbench, .view-header, .side-panel, .inspector, .demo-card, .view-tools, .selection-chip, .context-control, .light-popover, .playback, .notice, :where(#sources-dialog, #document-dialog))::before {
  content: ""; position: absolute; z-index: -1; inset: 5px;
  border: 1.5px solid rgba(0,0,0,.58); border-radius: inherit;
  filter: blur(4px); opacity: .52; pointer-events: none;
}
body.glass-ui :is(.site-header, .workbench, .view-header, .side-panel, .inspector, .demo-card, .view-tools, .selection-chip, .context-control, .light-popover, .playback, .notice, :where(#sources-dialog, #document-dialog))::after {
  content: ""; position: absolute; z-index: -1; inset: 0;
  border-radius: inherit; pointer-events: none;
  background: linear-gradient(135deg, rgba(255,255,255,.95) 0%, transparent 17%, transparent 79%, rgba(255,255,255,.7) 100%);
  filter: blur(1.5px); mix-blend-mode: screen;
}
body.dark.glass-ui :is(.site-header, .workbench, .view-header, .side-panel, .inspector, .demo-card, .view-tools, .selection-chip, .context-control, .light-popover, .playback, .notice, :where(#sources-dialog, #document-dialog))::before { border-color: rgba(0,0,0,.55); }
body.dark.glass-ui :is(.site-header, .workbench, .view-header, .side-panel, .inspector, .demo-card, .view-tools, .selection-chip, .context-control, .light-popover, .playback, .notice, :where(#sources-dialog, #document-dialog))::after {
  background: linear-gradient(45deg, rgba(255,255,255,.26) 0%, transparent 24%, transparent 76%, rgba(255,255,255,.2) 100%);
}

@supports not (backdrop-filter: blur(2px)) {
  body.glass-ui { --glass-ui-base: #fff; }
  body.dark.glass-ui { --glass-ui-base: #232327; }
}
@media (prefers-reduced-transparency: reduce) {
  body.glass-ui { --glass-ui-base: #fff; --glass-ui-blur: none; }
  body.dark.glass-ui { --glass-ui-base: #232327; }
}

body.glass-ui .play-button {
  border: 1px solid var(--glass-ui-border);
  background: var(--glass-ui-fill), var(--play-bg);
  box-shadow: var(--glass-ui-shadow);
}

/* Text actions remain light inside glass containers. */
body.glass-ui :is(.text-button, .focus-return, .detail-focus, .evidence-button) {
  border: 0;
  border-radius: var(--r-pill);
  background: transparent;
  box-shadow: none;
  padding: 7px 10px;
  text-decoration: none;
}
body.glass-ui .header-actions .text-button {
  background: var(--glass-ui-fill);
  box-shadow: var(--glass-ui-rim);
}
body.glass-ui .frame-item { border-radius: 9px; }
@media (hover: hover) and (pointer: fine) {
  body.glass-ui :is(.text-button, .focus-return, .detail-focus, .evidence-button):not(:disabled):hover { background: var(--hover); }
}

/* loading: parts of the subject assemble into the pen */
.pen-assembly{overflow:visible}
.pen-assembly g{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;transform-box:fill-box;transform-origin:center;opacity:0}
.pen-assembly .pa-cap{animation:paCap 3s cubic-bezier(.22,1,.36,1) infinite}
.pen-assembly .pa-barrel{animation:paBarrel 3s cubic-bezier(.22,1,.36,1) infinite}
.pen-assembly .pa-spring{animation:paSpring 3s cubic-bezier(.22,1,.36,1) infinite}
.pen-assembly .pa-tip{animation:paTip 3s cubic-bezier(.22,1,.36,1) infinite}
@keyframes paCap{0%{transform:translateY(-28px);opacity:0}12%{opacity:1}38%,82%{transform:none;opacity:1}100%{transform:translateY(-8px);opacity:0}}
@keyframes paBarrel{0%{transform:translateX(-34px) rotate(-9deg);opacity:0}14%{opacity:1}42%,82%{transform:none;opacity:1}100%{transform:translateX(-10px);opacity:0}}
@keyframes paSpring{0%{transform:scale(.25) rotate(-100deg);opacity:0}20%{opacity:1}46%,82%{transform:none;opacity:1}100%{transform:scale(.7) rotate(35deg);opacity:0}}
@keyframes paTip{0%{transform:translateY(32px);opacity:0}18%{opacity:1}48%,82%{transform:none;opacity:1}100%{transform:translateY(10px);opacity:0}}
@media (prefers-reduced-motion:reduce){.pen-assembly g{animation:none;opacity:1}}