/* ============================================================
   Chrome: topbar, reel index (desktop), progress rail + action dock (mobile),
   cursor, dialogs, loupe, toast. Micro-utility only: it does not count toward the
   "3 text elements per viewport" budget.
   ============================================================ */

/* ---- Topbar ---- */
.topbar {
  position: fixed; inset: 0 0 auto 0; z-index: var(--nav-z);
  display: flex; align-items: center; justify-content: space-between;
  padding: calc(var(--space-inline-sm) + var(--safe-t)) var(--space-gutter) var(--space-inline-sm);
  pointer-events: none;
}
.topbar::before {
  content: ""; position: absolute; inset: 0 0 -60% 0; z-index: -1; pointer-events: none;
  background: linear-gradient(to bottom, color-mix(in oklab, var(--color-surface-base) 82%, transparent), transparent);
}
.topbar > * { pointer-events: auto; }
section[id] { scroll-margin-top: 4.5rem; }
.topbar__brand { display: inline-flex; align-items: center; gap: var(--space-inline-sm); }
.mark {
  width: var(--size-touch-target); height: var(--size-touch-target); border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-family-display); font-style: italic; font-size: var(--p-font-size-2xl); line-height: 1;
  color: var(--color-text-accent); background: var(--color-scrim-default);
  border: var(--border-width-hairline) solid var(--color-border-accent);
  backdrop-filter: blur(var(--blur-glass)); -webkit-backdrop-filter: blur(var(--blur-glass));
  padding-block-end: 0.12em;
}
.topbar__name { display: none; font-size: var(--utility-size); font-weight: var(--type-label-weight); letter-spacing: var(--type-label-tracking); text-transform: uppercase; color: var(--color-text-secondary); text-shadow: 0 0 24px var(--p-color-alpha-black-80); }
.topbar__actions { display: flex; gap: var(--space-inline-xs); align-items: center; }
.topbar__wa { display: none; }
@media (min-width: 1024px) {
  .topbar__name { display: inline; }
  .topbar__wa { display: inline-flex; }
}

/* ---- Reel index (desktop) ---- */
.reel { display: none; }
@media (min-width: 1024px) {
  .reel {
    display: block; position: fixed; z-index: var(--rail-z);
    inset-inline-start: var(--space-gutter); top: 50%; translate: 0 -50%;
    padding-inline-start: var(--space-inline-md);
  }
  .reel::before { content: ""; position: absolute; inset-block: 0; inset-inline-start: 0; width: var(--rail-width); background: var(--rail-track); }
  .reel__fill { position: absolute; inset-block: 0; inset-inline-start: 0; width: var(--rail-width); background: var(--rail-fill); transform-origin: top; transform: scaleY(0); }
  .reel__tick { display: flex; align-items: center; gap: var(--space-inline-sm); min-height: 36px; }
  .reel__bar { width: 30px; height: 1px; background: var(--color-border-strong); transform: scaleX(0.4); transform-origin: left center; transition: transform var(--motion-ui-duration-slow) var(--ease-out), background-color var(--motion-ui-duration-slow) var(--ease-out); }
  [dir="rtl"] .reel__bar { transform-origin: right center; }
  .reel__label {
    font-size: var(--utility-size); font-weight: var(--type-label-weight); letter-spacing: var(--type-label-tracking); text-transform: uppercase;
    color: var(--color-text-muted); opacity: 0; transform: translateX(-6px);
    transition: opacity var(--motion-ui-duration-slow) var(--ease-out), transform var(--motion-ui-duration-slow) var(--ease-out);
    white-space: nowrap;
  }
  [dir="rtl"] .reel__label { transform: translateX(6px); }
  .reel__tick.is-active .reel__bar { transform: scaleX(1); background: var(--color-accent-default); }
  .reel__tick.is-active .reel__label { opacity: 1; transform: none; color: var(--color-text-accent); }
  .reel__tick:focus-visible .reel__label, .reel:hover .reel__label { opacity: 1; transform: none; }
}
@media (min-width: 1024px) and (hover: hover) and (pointer: fine) {
  .reel__tick:hover .reel__bar { transform: scaleX(1); background: var(--color-accent-hover); }
}

/* ---- Progress rail (mobile) + action dock (mobile) ---- */
.rail { position: fixed; inset: 0 0 auto 0; height: var(--rail-width); z-index: var(--rail-z); background: var(--rail-track); }
.rail__fill { display: block; height: 100%; background: var(--rail-fill); transform-origin: left; transform: scaleX(0); }
[dir="rtl"] .rail__fill { transform-origin: right; }
.dock {
  position: fixed; inset: auto 0 0 0; z-index: var(--nav-z);
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--space-inline-xs);
  padding: var(--space-inline-xs) var(--space-gutter) calc(var(--space-inline-xs) + var(--safe-b));
  background: var(--nav-bg); backdrop-filter: blur(var(--nav-blur)); -webkit-backdrop-filter: blur(var(--nav-blur));
  border-top: var(--border-width-hairline) solid var(--nav-border);
}
.dock__btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-inline-xs);
  min-height: var(--size-touch-target); border-radius: var(--radius-pill);
  font-size: var(--utility-size); font-weight: var(--type-label-weight); letter-spacing: var(--type-label-tracking); text-transform: uppercase;
  color: var(--color-text-primary); border: var(--border-width-hairline) solid var(--color-border-strong);
  transition-property: transform, background-color; transition-duration: var(--motion-ui-duration-micro); transition-timing-function: var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}
.dock__btn--solid { background: var(--button-primary-bg); color: var(--button-primary-fg); border-color: transparent; }
@media (min-width: 1024px) { .dock, .rail { display: none; } }

/* ---- Cursor (fine pointers only) ---- */
.cursor { display: none; }
html.has-cursor .cursor { display: block; }
html.has-cursor, html.has-cursor a, html.has-cursor button, html.has-cursor [role="radio"], html.has-cursor .cell__btn { cursor: none; }
html.has-cursor textarea, html.has-cursor input { cursor: text; }
.cursor__dot, .cursor__ring { position: fixed; top: 0; left: 0; z-index: var(--cursor-z); pointer-events: none; border-radius: 50%; will-change: transform; }
.cursor__dot { width: var(--cursor-dot); height: var(--cursor-dot); margin: calc(var(--cursor-dot) / -2) 0 0 calc(var(--cursor-dot) / -2); background: var(--cursor-color); }
.cursor__ring {
  width: var(--cursor-ring); height: var(--cursor-ring); margin: calc(var(--cursor-ring) / -2) 0 0 calc(var(--cursor-ring) / -2);
  border: var(--border-width-hairline) solid var(--color-border-accent);
  display: grid; place-items: center;
  transition-property: background-color, border-color; transition-duration: var(--cursor-duration); transition-timing-function: var(--cursor-easing);
}
.cursor__label { font-size: var(--utility-size); font-weight: var(--type-label-weight); letter-spacing: var(--type-label-tracking); text-transform: uppercase; color: var(--cursor-label-fg); opacity: 0; transition: opacity var(--cursor-duration) var(--cursor-easing); }
.cursor.is-label .cursor__ring { background: var(--cursor-color); border-color: var(--cursor-color); }
.cursor.is-label .cursor__label { opacity: 1; }
.cursor.is-hidden { opacity: 0; }

/* ---- Toast ---- */
.toast {
  position: fixed; left: 50%; bottom: calc(var(--dock-h) + var(--space-inline-md)); z-index: var(--z-overlay);
  translate: -50% 12px; opacity: 0; pointer-events: none;
  max-width: calc(100% - 2 * var(--space-gutter)); padding: var(--space-inline-sm) var(--space-inline-md);
  border-radius: var(--radius-tile); background: var(--color-surface-overlay); border: var(--border-width-hairline) solid var(--color-border-strong);
  color: var(--color-text-primary); font-size: var(--type-body-size); text-align: center; box-shadow: var(--shadow-float);
  transition: opacity var(--motion-ui-duration-slow) var(--ease-out), translate var(--motion-ui-duration-slow) var(--ease-out);
}
.toast.show { opacity: 1; translate: -50% 0; }
@media (min-width: 1024px) { .toast { bottom: var(--space-gutter); } }

/* ---- Dialogs ---- */
dialog { border: 0; padding: 0; color: var(--color-text-primary); background: transparent; max-width: none; max-height: none; }
dialog::backdrop { background: var(--color-scrim-default); backdrop-filter: blur(var(--p-blur-sm)); -webkit-backdrop-filter: blur(var(--p-blur-sm)); }
.langsheet[open] { margin: auto 0 0; width: 100%; }
.sheet-panel { width: 100%; max-width: 520px; margin-inline: auto; background: var(--color-surface-overlay); border: var(--border-width-hairline) solid var(--color-border-strong); border-bottom: 0; border-radius: var(--radius-overlay) var(--radius-overlay) 0 0; padding: var(--space-inline-sm) var(--space-gutter) calc(var(--space-inline-lg) + var(--safe-b)); }
.sheet-panel .grab { width: 38px; height: 5px; border-radius: var(--radius-pill); background: var(--color-border-strong); margin: 0 auto var(--space-inline-md); }
.sheet-panel .label { margin-bottom: var(--space-inline-sm); }
.langs { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-inline-xs); max-height: 60svh; overflow: auto; }
.langs button {
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-inline-xs); min-height: var(--size-touch-target);
  padding: var(--space-inline-sm) var(--space-inline-md); border-radius: var(--radius-pill); border: var(--border-width-hairline) solid var(--color-border-subtle); background: var(--color-surface-raised);
  font-size: var(--type-body-size); font-weight: var(--p-font-weight-semibold); text-align: start;
  transition-property: transform, border-color, background-color; transition-duration: var(--motion-ui-duration-micro); transition-timing-function: var(--ease-out);
}
.langs button small { color: var(--color-text-muted); font-size: var(--utility-size); letter-spacing: var(--type-label-tracking); }
.langs button[aria-current="true"] { border-color: var(--color-border-accent); background: var(--color-accent-subtle); }
.langs button:active { transform: scale(0.96); }
@media (min-width: 560px) {
  .langsheet[open] { margin: auto; }
  .sheet-panel { border-radius: var(--radius-overlay); border-bottom: var(--border-width-hairline) solid var(--color-border-strong); }
}
.langsheet[open] .sheet-panel { animation: sheetIn var(--motion-ui-duration-slow) var(--ease-out); }
@keyframes sheetIn { from { transform: translateY(32px); opacity: 0; } }

/* ---- Lightbox ---- */
.lightbox { width: 100vw; height: 100dvh; max-width: 100vw; max-height: 100dvh; }
.lightbox::backdrop { background: var(--lightbox-scrim); backdrop-filter: none; }
.lb { position: relative; width: 100%; height: 100%; display: grid; grid-template-rows: minmax(0, 1fr) auto; padding: calc(var(--nav-height) + var(--safe-t)) var(--space-gutter) var(--space-inline-md); touch-action: pan-y; }
.lb__fig { position: relative; min-height: 0; display: grid; place-items: center; }
.lb__fig img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; border-radius: var(--lightbox-radius); box-shadow: var(--lightbox-shadow); user-select: none; -webkit-user-drag: none; transform-origin: 0 0; }
.lb__bar { display: flex; align-items: center; justify-content: space-between; gap: var(--space-inline-md); flex-wrap: wrap; padding-top: var(--space-inline-md); }
.lb__actions { display: flex; gap: var(--space-inline-xs); flex-wrap: wrap; }
.lb__count { color: var(--lightbox-caption-fg); }
.lb__btn {
  position: absolute; width: var(--lightbox-control-size); height: var(--lightbox-control-size); border-radius: 50%;
  display: grid; place-items: center; background: var(--color-scrim-default); border: var(--border-width-hairline) solid var(--color-border-strong);
  backdrop-filter: blur(var(--blur-glass)); -webkit-backdrop-filter: blur(var(--blur-glass));
  transition-property: transform, background-color, border-color; transition-duration: var(--motion-ui-duration-micro); transition-timing-function: var(--ease-out);
}
.lb__btn:active { transform: scale(0.96); }
.lb__close { top: calc(var(--space-inline-sm) + var(--safe-t)); inset-inline-end: var(--space-gutter); }
.lb__prev, .lb__next { top: 50%; translate: 0 -50%; }
.lb__prev { inset-inline-start: var(--space-inline-xs); }
.lb__next { inset-inline-end: var(--space-inline-xs); }
@media (hover: hover) and (pointer: fine) { .lb__btn:hover { border-color: var(--color-border-accent); background: var(--color-accent-subtle); } }
@media (min-width: 1024px) { .lb__prev { inset-inline-start: var(--space-gutter); } .lb__next { inset-inline-end: var(--space-gutter); } }

/* ---- Loupe (desktop hover on contact sheet) ---- */
.loupe {
  position: fixed; top: 0; left: 0; z-index: calc(var(--cursor-z) - 1); pointer-events: none;
  width: 200px; height: 200px; margin: -100px 0 0 -100px; border-radius: 50%; overflow: hidden;
  border: var(--border-width-hairline) solid var(--color-border-accent); box-shadow: var(--shadow-float), var(--shadow-glow);
  background: var(--color-surface-void); opacity: 0; visibility: hidden;
}
.loupe img { position: absolute; top: 0; left: 0; max-width: none; transform-origin: 0 0; }