/* World-first chrome, nonmodal context surfaces, and temporal controls. */
.material-clear, .material-regular {
  border: 1px solid var(--material-clear-border);
  background: var(--material-clear-bg);
  box-shadow: var(--material-shadow);
  -webkit-backdrop-filter: blur(var(--material-blur-clear)) saturate(1.08);
  backdrop-filter: blur(var(--material-blur-clear)) saturate(1.08);
}
.material-regular {
  border-color: var(--material-regular-border);
  background: var(--material-regular-bg);
  -webkit-backdrop-filter: blur(var(--material-blur-regular)) saturate(1.06);
  backdrop-filter: blur(var(--material-blur-regular)) saturate(1.06);
}
.corner-nav {
  position: absolute; top: calc(var(--sp-3) + var(--safe-top));
  right: calc(var(--sp-3) + var(--safe-right)); display: flex; gap: var(--sp-1);
}
.quiet-btn, .rail-btn, .close-btn {
  min-width: var(--touch-min); min-height: var(--touch-min); padding: 0 var(--sp-3);
  color: var(--text-secondary); background: rgba(10, 13, 14, .52);
  border: 1px solid var(--border-faint); border-radius: var(--radius-pill);
}
.quiet-btn:hover, .rail-btn:hover { color: var(--text-primary); border-color: var(--border-strong); }
.command-rail {
  display: flex; gap: var(--sp-1); align-items: center; flex-wrap: nowrap; justify-content: end;
  padding: 3px; border-radius: var(--radius-l);
}
.rail-btn { min-width: var(--touch-min); font-size: var(--fs-caption); font-weight: 650; white-space: nowrap; }
.rail-btn small { display: block; color: var(--text-faint); font-size: .58rem; letter-spacing: .08em; }
.close-btn { flex: 0 0 auto; }
.time-group { display: flex; align-items: center; gap: 2px; }
.time-dial { position: relative; display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid var(--border-strong); border-radius: 50%; background: rgba(10,13,14,.72); }
.clock-face { position: relative; display: block; width: 26px; height: 26px; border: 1px solid currentColor; border-radius: 50%; }
.clock-hand { position: absolute; left: 50%; bottom: 50%; width: 1.5px; height: 9px; background: currentColor; transform-origin: 50% 100%; }
.clock-hour { width: 1.5px; height: 7px; color: var(--life-core); }
.clock-minute { z-index: 1; height: 10px; }
.clock-play { display: none; position: absolute; right: 2px; bottom: 2px; width: 0; height: 0; opacity: .72; border-block: 3px solid transparent; border-left: 5px solid currentColor; }
.time-dial.is-paused .clock-hand { opacity: .62; }.time-dial.is-paused .clock-play { display: block; }
.time-dial.is-reduced:not(.is-paused) .clock-face::after { content: ""; position: absolute; right: 2px; bottom: 2px; width: 4px; height: 4px; border-radius: 50%; background: currentColor; }
.badge { display: inline-grid; place-items: center; min-width: 1.35rem; height: 1.35rem; margin-left: .25rem;
  color: var(--text-inverse); background: var(--state-warn); border-radius: 50%; font-weight: 800; }
.sheet-actions, .panel-actions { display: flex; gap: var(--sp-2); flex-wrap: wrap; align-items: center; }
.btn-secondary { background: rgba(25, 29, 28, .74); }.btn-danger { border-color: var(--state-bad); color: #f2a495; }

.context-surface {
  position: absolute; z-index: var(--z-sheet); left: calc(var(--sp-4) + var(--safe-left));
  top: max(5.25rem, calc(var(--sp-4) + var(--safe-top)));
  width: clamp(20rem, 27vw, 28rem); max-height: min(76dvh, calc(100dvh - 7rem));
  overflow: auto; overscroll-behavior: contain; touch-action: pan-y; user-select: text;
  padding: var(--sp-4); color: var(--text-primary); border-radius: var(--radius-l);
}
.context-surface header { display: flex; justify-content: space-between; gap: var(--sp-3); align-items: start; }
.context-surface h2 { font-size: clamp(1.25rem, 2vw, 1.65rem); }.context-surface h2:focus-visible { outline: 0; }
#memory-node-heading:focus-visible { outline: 2px solid var(--life-core); outline-offset: 2px; }
.panel-copy { color: var(--text-secondary); margin: var(--sp-2) 0; }
.time-note, .setting-help { color: var(--state-info); font-size: var(--fs-caption); }
.inspection-grid { display: grid; grid-template-columns: minmax(6.5rem, 1fr) 1.35fr; margin: var(--sp-3) 0; }
.inspection-grid dt, .inspection-grid dd { margin: 0; padding: .42rem 0; border-top: 1px solid var(--border-faint); }
.inspection-grid dt{color:var(--text-faint);font-size:var(--fs-caption)}.inspection-grid dd{color:var(--text-primary)}
.panel-toolbar { display: flex; align-items: center; gap: var(--sp-2); flex-wrap: wrap; margin: var(--sp-3) 0; }
.panel-toolbar select, .settings-form select { min-height: var(--touch-min); color: var(--text-primary); background: var(--bg-elevated);
  border: 1px solid var(--border-strong); border-radius: var(--radius-s); padding: 0 var(--sp-3); }
.compact-list { color: var(--text-secondary); padding-left: var(--sp-5); }

.context-history { inset: auto var(--sp-4) calc(var(--sp-4) + var(--safe-bottom)); width: auto; max-height: min(19rem, 38vh); }
.history-world-row { display: grid; grid-template-columns: auto minmax(12rem, 1fr) auto; align-items: center; gap: var(--sp-2); }
.history-world-row label { color: var(--text-faint); font-size: var(--fs-caption); }
.history-world-row select { min-height: var(--touch-min); min-width: 0; color: var(--text-primary); background: var(--bg-elevated);
  border: 1px solid var(--border-strong); border-radius: var(--radius-s); padding: 0 var(--sp-3); }
#history-time-label { color: var(--life-core); font: var(--fs-caption) var(--font-mono); }
.history-scrubber { display: grid; grid-template-columns: auto minmax(8rem, 1fr) auto auto; align-items: center; gap: var(--sp-2); }
.history-scrubber label, #history-range { width: 100%; min-height: var(--touch-min); }
#history-range { margin: 0; accent-color: var(--life-glow); cursor: ew-resize; }
.history-selected { min-height: 2.6rem; margin: var(--sp-1) 0; color: var(--text-secondary); font-size: var(--fs-caption); }
.history-selected strong { color: var(--text-primary); }.history-note { min-height: 1.3rem; margin: 0; color: var(--state-info); font-size: var(--fs-caption); }
.history-timeline { display: grid; gap: var(--sp-1); margin: 0; }
.history-timeline h3 { margin: 0; color: var(--text-secondary); font-size: var(--fs-caption); letter-spacing: .08em; text-transform: uppercase; }
.history-list { list-style: none; padding: 0; margin: 0; }
.history-entry { border-bottom: 1px solid var(--border-faint); }
.history-event-btn { display: grid; width: 100%; min-height: var(--touch-min); padding: var(--sp-2); color: var(--text-secondary);
  background: transparent; border-left: 3px solid transparent; text-align: left; font-size: var(--fs-caption); }
.history-event-btn strong { color: var(--text-primary); }.history-event-btn.is-selected { border-left-color: var(--life-glow); background: rgba(229, 219, 149, .11); }
.history-event-btn:focus-visible { outline: 2px solid var(--life-glow); outline-offset: -2px; }

.settings-form { display: grid; gap: var(--sp-3); }.settings-form fieldset { display: grid; gap: var(--sp-2); min-width: 0;
  padding: var(--sp-3) 0; border: 0; border-top: 1px solid var(--border-faint); }
.settings-form legend { color: var(--life-core); font-weight: 700; padding-right: var(--sp-2); }
.settings-form label { display: flex; justify-content: space-between; align-items: center; gap: var(--sp-3); min-height: var(--touch-min); }
.settings-form input[type="checkbox"] { width: 1.35rem; height: 1.35rem; accent-color: var(--life-glow); }
.file-label { position: relative; overflow: hidden; }.file-label input { position: absolute; inset: 0; opacity: 0; }
.skill-detail, .context-confirm { display: grid; grid-template-rows: auto minmax(0, 1fr) auto; overflow: hidden; }
.skill-detail { width: clamp(20rem, 27vw, 28rem); }.surface-body { min-width: 0; min-height: 0; overflow: auto; scrollbar-gutter: stable; padding: var(--sp-3) 2px; }
.surface-actions { display: flex; gap: var(--sp-2); align-items: center; justify-content: flex-end; padding-top: var(--sp-3); border-top: 1px solid var(--border-faint); }
#memory-unlock { width: 100%; }.skill-change { color: var(--action-available); font-size: var(--fs-caption); }
.skill-change.skill-acquired { padding: var(--sp-3); border: 1px solid var(--action-available); border-radius: var(--radius-s); background: rgba(95, 148, 112, .18); animation: skill-acquired 5s var(--ease-out) both; }
@keyframes skill-acquired { 0% { opacity: 0; transform: translateY(.4rem); } 8%, 86% { opacity: 1; transform: none; } 100% { opacity: 0; } }
#surface-scrim { position: absolute; inset: 0; z-index: calc(var(--z-sheet) - 1); pointer-events: none; background: rgba(3, 5, 6, .16); }
:root[data-contrast="high"] { --border-faint: rgba(238, 230, 200, .38); --border-strong: rgba(247, 231, 181, .72);
  --text-secondary: #dad6c9; --material-clear-bg: rgba(5, 8, 9, .9); --material-regular-bg: rgba(5, 8, 9, .97); }
:root[data-quality="eco"] { --material-blur-clear: 5px; --material-blur-regular: 8px; --material-shadow: none; }

@media (max-width: 899px) {
  #run-screen { padding-left: calc(var(--sp-1) + var(--safe-left)); padding-right: calc(var(--sp-1) + var(--safe-right)); }
  .context-surface { inset: auto var(--safe-right) var(--safe-bottom) var(--safe-left); width: auto; max-height: min(42dvh, calc(100dvh - 5rem));
    padding: var(--sp-3) var(--sp-4) calc(var(--sp-3) + var(--safe-bottom)); border-radius: var(--radius-l) var(--radius-l) 0 0; }
  .skill-detail { max-height: min(48dvh, 30rem); }.skill-detail h2 { font-size: 1.35rem; }
  .skill-detail::before, .context-confirm::before { position: absolute; top: 10px; left: 50%; transform: translateX(-50%); margin: 0; }
  .skill-detail header, .context-confirm header { padding-top: var(--sp-3); }
  .context-surface::before { content: ""; display: block; width: 2.5rem; height: 3px; margin: 0 auto var(--sp-3);
    background: var(--border-strong); border-radius: var(--radius-pill); }
  .context-history { max-height: 42vh; }
  .history-world-row { grid-template-columns: auto minmax(0, 1fr); }.history-world-row p { grid-column: 1 / -1; }
  .history-scrubber { grid-template-columns: auto minmax(5rem, 1fr) auto; }.history-scrubber #history-live { grid-column: 1 / -1; }
  .command-rail { width: auto; display: grid; grid-template-columns: 104px 68px; gap: 2px; overflow: visible; }
  .hud-bottom { align-items: end; }.rail-btn { height: 44px; padding-inline: 2px; overflow: hidden; }
  .time-dial { width: var(--touch-min); height: var(--touch-min); }.speed-control select { width: 58px; height: 44px; padding: 0 2px; font-size: 12px; }
  .rail-btn span { display: inline; }
}
@media (max-width: 410px) { .corner-nav { gap: 0; }.quiet-btn { padding: 0 var(--sp-2); }.command-rail { width: auto; } }
@media (min-width: 600px) and (max-width: 899px) { .command-rail { width: auto; grid-template-columns: 104px 68px; } }
@media (min-width: 700px) and (max-height: 520px) {
  .context-surface { inset: calc(var(--sp-3) + var(--safe-top)) auto calc(var(--sp-3) + var(--safe-bottom)) calc(var(--sp-3) + var(--safe-left)); width: min(24rem, 44vw); max-height: none; border-radius: var(--radius-l); }
  .context-surface::before { display: none; }.skill-detail { max-height: none; }.skill-detail header, .context-confirm header { padding-top: 0; }
}
@supports not (backdrop-filter: blur(1px)) { .material-clear { background: rgba(10, 13, 14, .84); }.material-regular { background: rgba(13, 16, 16, .94); } }