/* Visor de cámara (intro), cortinillas de obturador y destello. */
.visor {
  position: fixed; inset: 0; z-index: 100;
  height: 100dvh; overflow: hidden;
  background: #000; color: #F4EFE6;
  font-family: var(--mono);
  touch-action: none;
}
html:not(.js) .visor, html:not(.js) .destello { display: none; }
.visor[hidden] { display: none; }

.visor__foto { position: absolute; inset: 0; overflow: hidden; }
.visor__foto img {
  width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%;
  filter: blur(18px); transform: scale(1.06);
  transition: filter .35s ease-out, transform .35s ease-out;
}
.visor.enfocado .visor__foto img { filter: blur(0); transform: scale(1); }
/* Viñeta del ocular: oscurece bordes para que el HUD siempre se lea. */
.visor__vineta {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% 45%, transparent 55%, rgb(0 0 0 / .55) 100%),
    linear-gradient(to bottom, rgb(0 0 0 / .45), transparent 18%, transparent 62%, rgb(0 0 0 / .78));
}

/* ---------- HUD ---------- */
.visor__hud { position: absolute; inset: 0; pointer-events: none; font-size: clamp(.68rem, 1.05vw, .8rem); letter-spacing: .08em; text-shadow: 0 1px 2px rgb(0 0 0 / .6); }
.esquina { position: absolute; width: clamp(28px, 4vw, 52px); aspect-ratio: 1; border: 0 solid rgb(244 239 230 / .85); }
.esquina--ti { top: clamp(56px, 9vh, 88px); left: clamp(18px, 5vw, 72px); border-top-width: 2px; border-left-width: 2px; }
.esquina--td { top: clamp(56px, 9vh, 88px); right: clamp(18px, 5vw, 72px); border-top-width: 2px; border-right-width: 2px; }
.esquina--bi { bottom: clamp(150px, 24vh, 210px); left: clamp(18px, 5vw, 72px); border-bottom-width: 2px; border-left-width: 2px; }
.esquina--bd { bottom: clamp(150px, 24vh, 210px); right: clamp(18px, 5vw, 72px); border-bottom-width: 2px; border-right-width: 2px; }

.hud { position: absolute; left: clamp(18px, 5vw, 72px); right: clamp(18px, 5vw, 72px); display: flex; align-items: center; gap: clamp(10px, 2.4vw, 32px); }
.hud--sup { top: clamp(18px, 3.4vh, 32px); justify-content: space-between; }
.hud--inf { bottom: clamp(112px, 17vh, 150px); justify-content: center; flex-wrap: wrap; row-gap: 6px; }
.hud__bateria { display: inline-flex; align-items: center; gap: .5em; }
.bateria { width: 22px; height: 11px; border: 1.5px solid currentColor; border-radius: 2px; position: relative; padding: 1.5px; }
.bateria::before { content: ''; display: block; height: 100%; background: currentColor; }
.bateria::after { content: ''; position: absolute; right: -4px; top: 2.5px; width: 2px; height: 4px; background: currentColor; }
.hud__af { color: var(--champana); }

.exposicion { display: inline-flex; align-items: flex-end; gap: 5px; height: 12px; }
.exposicion i { width: 1.5px; height: 6px; background: currentColor; opacity: .75; }
.exposicion i.cero { height: 12px; opacity: 1; }

.nivel { position: absolute; left: 50%; top: 46%; transform: translate(-50%, -50%); display: flex; align-items: center; gap: 10px; opacity: .7; }
.nivel__linea { width: clamp(40px, 9vw, 120px); height: 1px; background: currentColor; }
.nivel__centro { width: 8px; height: 8px; border: 1px solid currentColor; transform: rotate(45deg); }

/* Retícula AF: la posición la mueve js/visor.js con translate3d. */
.af { position: absolute; left: 0; top: 0; width: 0; height: 0; will-change: transform; }
.af__caja {
  position: absolute; left: -38px; top: -30px; width: 76px; height: 60px;
  border: 1.5px solid rgb(244 239 230 / .9);
  transition: border-color .2s, transform .35s var(--ease-out);
}
.af__caja::before, .af__caja::after { content: ''; position: absolute; left: 50%; width: 1px; height: 8px; background: currentColor; }
.af__caja::before { top: -9px; } .af__caja::after { bottom: -9px; }
.af__estado { position: absolute; left: -38px; top: 38px; white-space: nowrap; font-size: .72rem; }
.af__lock { display: none; color: var(--af); }
.visor.enfocado .af__caja { border-color: var(--af); color: var(--af); transform: scale(.82); }
.visor.enfocado .af__idle { display: none; }
.visor.enfocado .af__lock { display: inline; }

/* ---------- Obturador ---------- */
.visor__control { position: absolute; left: 0; right: 0; bottom: max(22px, env(safe-area-inset-bottom)); display: flex; justify-content: center; }
.obturador {
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  background: none; border: 0; padding: 6px; color: inherit; cursor: pointer;
  font: 500 .74rem/1 var(--mono); letter-spacing: .22em; text-transform: uppercase;
  -webkit-tap-highlight-color: transparent; touch-action: manipulation;
}
.obturador__aro {
  width: 74px; height: 74px; border-radius: 50%;
  display: grid; place-items: center;
  border: 2px solid rgb(244 239 230 / .9);
  background: rgb(0 0 0 / .25);
  transition: border-color .25s, transform .3s var(--ease-out);
}
.obturador__boton {
  width: 56px; height: 56px; border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #E8D3AE, var(--bronce) 55%, #6E5330);
  box-shadow: inset 0 -3px 6px rgb(0 0 0 / .35), 0 0 0 1px rgb(0 0 0 / .4);
  transition: transform .18s var(--ease-out);
}
.visor.enfocado .obturador__aro { border-color: var(--af); }
.obturador:active .obturador__boton { transform: scale(.88); }
.obturador:focus-visible { outline: none; }
.obturador:focus-visible .obturador__aro { outline: 2px solid var(--champana); outline-offset: 4px; }

.saltar {
  position: absolute; z-index: 3;
  bottom: max(70px, calc(env(safe-area-inset-bottom) + 48px)); right: 16px;
  background: rgb(0 0 0 / .35); color: rgb(244 239 230 / .78);
  border: 1px solid rgb(244 239 230 / .25); border-radius: 999px;
  padding: .55em 1.1em; min-height: 36px;
  font: 400 .72rem/1 var(--mono); letter-spacing: .06em; cursor: pointer;
}
.saltar:hover { color: #fff; border-color: rgb(244 239 230 / .6); }
@media (min-width: 721px) { .saltar { bottom: 28px; right: clamp(18px, 5vw, 72px); } }

/* ---------- Cortinillas y destello ---------- */
.cortinilla { position: absolute; left: 0; right: 0; height: 50.5%; background: #000; transform: scaleY(0); z-index: 4; }
.cortinilla--sup { top: 0; transform-origin: top; }
.cortinilla--inf { bottom: 0; transform-origin: bottom; }

.destello {
  position: fixed; inset: 0; z-index: 110; pointer-events: none; opacity: 0;
  background:
    radial-gradient(60% 60% at 50% 46%, #FFFFFF 0 42%, rgb(255 246 230 / 1) 62%, rgb(246 222 182 / 1) 82%, rgb(214 176 122 / 1) 100%);
}
/* Lens flare: anillo y estela bronce que se queda un instante más que el blanco. */
.destello__flare {
  position: absolute; inset: -20%;
  background:
    radial-gradient(closest-side at 64% 40%, rgb(255 255 255 / .95), transparent 40%),
    radial-gradient(closest-side at 64% 40%, transparent 62%, rgb(201 154 94 / .55) 66%, transparent 72%),
    radial-gradient(8% 8% at 38% 62%, rgb(217 193 155 / .7), transparent),
    radial-gradient(4% 4% at 30% 70%, rgb(201 154 94 / .6), transparent),
    linear-gradient(100deg, transparent 47%, rgb(255 236 200 / .55) 50%, transparent 53%);
}

.visor:focus { outline: none; }