/* Entrance — a quiet storefront after summer rain */
.scene-entrance {
  align-items: flex-end;
  justify-content: center;
  background: linear-gradient(#080d13 0 54%, #111011 54% 100%);
}

.scene-entrance .scene-atmosphere {
  z-index: 1;
  opacity: 0.45;
  background:
    linear-gradient(106deg, transparent 0 43%, rgba(222, 177, 101, 0.09) 51%, transparent 67%),
    repeating-linear-gradient(112deg, transparent 0 18px, rgba(226, 232, 237, 0.045) 19px 20px);
}

.night-sky {
  position: absolute;
  inset: 0 0 40%;
  pointer-events: none;
  background:
    radial-gradient(circle at 79% 13%, rgba(231, 219, 193, 0.82) 0 1px, transparent 2px),
    radial-gradient(circle at 18% 26%, rgba(231, 219, 193, 0.46) 0 1px, transparent 2px),
    radial-gradient(ellipse at 50% 72%, rgba(64, 53, 59, 0.7), transparent 58%),
    linear-gradient(164deg, #070d14, #171622 72%, #23191c);
}

.night-sky::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 30%;
  background:
    linear-gradient(90deg, #111115 0 8%, transparent 8% 11%, #161318 11% 29%, transparent 29% 35%, #0d0e12 35% 100%);
  clip-path: polygon(0 46%, 10% 46%, 10% 20%, 28% 20%, 28% 53%, 36% 53%, 36% 3%, 65% 3%, 65% 60%, 78% 60%, 78% 35%, 100% 35%, 100% 100%, 0 100%);
}

.street-reflection {
  position: absolute;
  inset: 58% 0 0;
  pointer-events: none;
  background:
    linear-gradient(102deg, transparent 14%, rgba(201, 145, 79, 0.05) 35%, rgba(229, 177, 91, 0.2) 50%, transparent 74%),
    repeating-linear-gradient(174deg, rgba(255, 255, 255, 0.045) 0 1px, transparent 1px 13px),
    linear-gradient(#161315, #090809);
}

.street-reflection::after {
  content: "";
  position: absolute;
  left: 20%;
  right: 18%;
  top: 12%;
  height: 48%;
  opacity: 0.55;
  filter: blur(12px);
  background: linear-gradient(90deg, transparent, rgba(224, 171, 87, 0.38), rgba(118, 55, 46, 0.18), transparent);
  clip-path: polygon(34% 0, 65% 0, 100% 100%, 0 100%);
}

.studio-door {
  position: absolute;
  left: 50%;
  top: 7.2%;
  z-index: 2;
  pointer-events: none;
  width: 64%;
  height: 59%;
  transform: translateX(-50%);
  border: 8px solid #251814;
  border-top-width: 12px;
  border-bottom-width: 16px;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.035), transparent 14% 84%, rgba(0, 0, 0, 0.16)),
    linear-gradient(90deg, #3b231d, #5a3024 53%, #2e1c19);
  box-shadow:
    0 0 0 1px rgba(192, 145, 91, 0.2),
    0 0 70px rgba(211, 147, 62, 0.18),
    inset 0 0 42px rgba(0, 0, 0, 0.42);
}

.studio-door::before,
.studio-door::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(229, 186, 121, 0.16);
}

.studio-door::before { left: 7%; }
.studio-door::after { right: 7%; }

.door-transom {
  position: absolute;
  left: 8%;
  right: 8%;
  top: 3%;
  display: grid;
  place-items: center;
  height: 11%;
  border: 1px solid rgba(213, 172, 109, 0.34);
  color: var(--paper-200);
  background: #181113;
  font-family: var(--font-display);
  font-size: clamp(0.72rem, 3vw, 0.95rem);
  letter-spacing: 0.24em;
}

.door-window {
  position: absolute;
  left: 10%;
  top: 17%;
  width: 80%;
  height: 42%;
  border: 5px solid #2a1b18;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.22), transparent 18% 72%, rgba(255, 255, 255, 0.08)),
    radial-gradient(ellipse at 54% 72%, #edc57c, #b56d3e 52%, #65402f 88%);
  box-shadow: 0 0 34px rgba(231, 180, 96, 0.44), inset 0 0 25px rgba(96, 44, 29, 0.5);
  animation: storefront-wake var(--duration-ritual) var(--ease-ritual) both;
}

.door-window::before,
.door-window::after {
  content: "";
  position: absolute;
  background: rgba(55, 32, 26, 0.54);
}

.door-window::before { left: 49.5%; top: 0; width: 1%; height: 100%; }
.door-window::after { left: 0; top: 49%; width: 100%; height: 2%; }

.window-curtain {
  position: absolute;
  left: 11.5%;
  right: 11.5%;
  top: 18.5%;
  height: 17%;
  opacity: 0.55;
  background: repeating-linear-gradient(90deg, #562d2c 0 10%, #74393a 10% 19%);
  clip-path: polygon(0 0, 100% 0, 100% 72%, 90% 90%, 80% 68%, 70% 88%, 60% 70%, 50% 92%, 40% 70%, 30% 88%, 20% 68%, 10% 90%, 0 72%);
}

.door-sign {
  position: absolute;
  left: 50%;
  top: 49.5%;
  z-index: 2;
  transform: translateX(-50%) rotate(-1.2deg);
  width: 78%;
  border: 1px solid rgba(93, 56, 37, 0.42);
  padding: 0.6rem 0.3rem;
  color: #3d291f;
  background: linear-gradient(170deg, #f1e5cc, #cfb78e);
  box-shadow: 0 8px 16px rgba(44, 24, 18, 0.3);
  font-family: var(--font-display);
  font-size: clamp(0.72rem, 3.2vw, 0.95rem);
  text-align: center;
  letter-spacing: 0.08em;
}

.door-handle {
  position: absolute;
  right: 11%;
  top: 68%;
  width: 10px;
  height: 42px;
  border: 2px solid #b38a55;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, #5b402b, #d2a566, #5c3b27);
  box-shadow: 0 0 0 4px rgba(31, 20, 16, 0.72), 0 5px 12px rgba(0, 0, 0, 0.45);
}

.scene-copy {
  position: relative;
  z-index: var(--z-content);
  width: 100%;
  padding: 14% 8% calc(var(--safe-bottom) + 2%);
  text-align: center;
  background: linear-gradient(transparent, rgba(9, 7, 8, 0.94) 24%, rgba(9, 7, 8, 0.99));
}

.scene-copy h1 {
  font-size: var(--text-hero);
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}

.scene-copy > p:not(.eyebrow) {
  margin: 0.8rem 0 1.2rem;
  color: var(--muted);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
}

.entrance-action {
  min-width: 10.5rem;
}

@keyframes storefront-wake {
  from { opacity: 0.35; filter: brightness(0.45) saturate(0.6); }
  to { opacity: 1; filter: brightness(1) saturate(1); }
}

/* Studio — a counter, three physical reels, one quiet future slot */
.scene-studio {
  flex-direction: column;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(15, 9, 9, 0.4), transparent 22% 78%, rgba(12, 8, 8, 0.44)),
    radial-gradient(ellipse at 50% 26%, rgba(212, 156, 81, 0.23), transparent 44%),
    linear-gradient(170deg, #2b1716, #171010 58%, #0c0909);
}

.studio-ambient {
  position: absolute;
  inset: 0;
  opacity: 0.55;
  background:
    linear-gradient(90deg, transparent 16%, rgba(220, 180, 120, 0.14) 16.3% 16.8%, transparent 17%),
    linear-gradient(90deg, transparent 83%, rgba(220, 180, 120, 0.14) 83.2% 83.7%, transparent 84%),
    repeating-linear-gradient(0deg, transparent 0 64px, rgba(230, 194, 143, 0.035) 65px 66px);
}

.studio-ambient::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -2rem;
  width: 4.5rem;
  height: 2.4rem;
  transform: translateX(-50%);
  border-radius: 50%;
  background: #b57b42;
  box-shadow: 0 1.8rem 4rem 2.2rem rgba(232, 180, 91, 0.18);
}

.studio-counter {
  position: absolute;
  left: -4%;
  right: -4%;
  top: 57%;
  bottom: 0;
  z-index: 1;
  transform: perspective(460px) rotateX(4deg);
  transform-origin: bottom;
  border-top: 4px solid #5a3728;
  background:
    linear-gradient(90deg, transparent, rgba(255, 231, 191, 0.04), transparent),
    repeating-linear-gradient(82deg, #2b1914 0 36px, #261612 37px 39px);
  box-shadow: 0 -14px 34px rgba(0, 0, 0, 0.35), 0 -1px rgba(198, 143, 82, 0.3);
}

.memory-rolls {
  position: relative;
  z-index: var(--z-content);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(0.5rem, 2.2vw, 0.75rem);
  width: 88%;
  margin-top: 1.2rem;
}

.memory-roll {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 0.45rem;
  min-width: 0;
  min-height: clamp(148px, 39vw, 182px);
  overflow: hidden;
  border: 1px solid rgba(183, 136, 87, 0.32);
  border-radius: var(--radius-sm);
  padding: 0.7rem 0.38rem 0.8rem;
  color: var(--paper-100);
  background:
    radial-gradient(circle at 50% 35%, transparent 0 9%, rgba(209, 177, 126, 0.18) 9.5% 11%, transparent 11.5% 20%, rgba(209, 177, 126, 0.12) 20.5% 22%, transparent 22.5%),
    linear-gradient(155deg, rgba(86, 55, 40, 0.55), rgba(20, 15, 14, 0.98));
  box-shadow: 0 14px 24px rgba(0, 0, 0, 0.28), 0 1px rgba(255, 242, 218, 0.09) inset;
  text-align: center;
  cursor: pointer;
  transition:
    transform var(--duration-normal) var(--ease-out),
    border-color var(--duration-fast) ease,
    filter var(--duration-fast) ease,
    box-shadow var(--duration-normal) ease;
}

.memory-roll::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 12%;
  width: min(64%, 4.3rem);
  aspect-ratio: 1;
  transform: translateX(-50%);
  border: 3px solid #806044;
  border-radius: 50%;
  background:
    radial-gradient(circle, #171212 0 15%, transparent 16%),
    repeating-conic-gradient(from 8deg, #8e6848 0 7deg, #241a16 7deg 16deg);
  box-shadow: 0 0 0 5px #211714, 0 0 0 6px rgba(214, 169, 105, 0.23), inset 0 0 16px #000;
}

.memory-roll > span:first-child {
  position: absolute;
  left: 0.45rem;
  top: 0.35rem;
  color: rgba(231, 215, 188, 0.56);
  font-family: Georgia, serif;
  font-size: 0.61rem;
  letter-spacing: 0.12em;
}

.memory-roll > span:nth-child(2) {
  position: relative;
  z-index: 1;
  width: 100%;
  margin-top: 4.4rem;
}

.memory-roll strong,
.memory-roll small { display: block; }

.memory-roll strong {
  font-family: var(--font-display);
  font-size: clamp(1rem, 4.3vw, 1.25rem);
  font-weight: 500;
  letter-spacing: 0.12em;
}

.memory-roll small {
  margin-top: 0.2rem;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.62rem;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.memory-roll-status {
  min-width: 3.3rem;
  border-top: 1px solid rgba(217, 177, 116, 0.24);
  padding-top: 0.35rem;
  color: var(--amber-300);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
}

.memory-roll.is-current {
  transform: translateY(-5px);
  border-color: var(--line-strong);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.4), 0 0 24px rgba(201, 145, 79, 0.13);
}

.memory-roll.is-current::after {
  content: "当前";
  position: absolute;
  right: 0;
  top: 0;
  padding: 0.22rem 0.35rem;
  color: #24140f;
  background: var(--amber-300);
  font-size: 0.56rem;
  letter-spacing: 0.08em;
}

.memory-roll.is-completed {
  border-color: rgba(184, 198, 155, 0.44);
  background:
    radial-gradient(circle at 50% 35%, rgba(240, 214, 151, 0.3), transparent 35%),
    linear-gradient(155deg, rgba(87, 68, 45, 0.72), rgba(23, 18, 14, 0.98));
  box-shadow: 0 0 26px rgba(213, 176, 100, 0.13), 0 14px 24px rgba(0, 0, 0, 0.3);
}

.memory-roll.is-completed .memory-roll-status { color: var(--success); }
.memory-roll.is-locked { filter: saturate(0.35); }

@media (hover: hover) {
  .memory-roll:not(:disabled):hover {
    transform: translateY(-7px);
    border-color: var(--line-strong);
  }
}

.confession-entry {
  position: relative;
  z-index: var(--z-content);
  width: 68%;
  margin-top: 1.4rem;
  border-radius: var(--radius-sm);
  border-style: dashed;
}

.confession-entry::before {
  content: "04";
  margin-right: 0.55rem;
  color: var(--amber-300);
  font-family: Georgia, serif;
}

/* Gallery — the print remains the visual center */
.scene-gallery {
  flex-direction: column;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(10, 8, 8, 0.5), transparent 20% 80%, rgba(10, 8, 8, 0.5)),
    radial-gradient(ellipse at 50% 30%, rgba(202, 162, 103, 0.16), transparent 44%),
    linear-gradient(155deg, #251817, #0e0b0b 72%);
}

.gallery-light {
  position: absolute;
  top: -4%;
  left: 50%;
  width: 66%;
  height: 52%;
  transform: translateX(-50%);
  opacity: 0.45;
  background: conic-gradient(from 165deg at 50% 0, transparent, rgba(238, 209, 153, 0.22) 18deg, transparent 34deg);
  filter: blur(10px);
}

.photo-card {
  position: relative;
  z-index: var(--z-content);
  width: min(74%, 20rem);
  aspect-ratio: 4 / 5;
  min-height: 44px;
  border: 0;
  padding: 0;
  background: transparent;
  perspective: 1200px;
  cursor: pointer;
}

.photo-card::before,
.photo-card::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 35%;
  height: 13px;
  top: -7px;
  background: rgba(208, 185, 143, 0.62);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.24);
}

.photo-card::before { left: -5%; transform: rotate(-8deg); }
.photo-card::after { right: -5%; transform: rotate(8deg); }

.photo-card-inner {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
  transition: transform 720ms var(--ease-ritual);
  will-change: transform;
}

.photo-card.is-flipped .photo-card-inner { transform: rotateY(180deg); }

.photo-face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  border: 1px solid rgba(76, 57, 40, 0.24);
  border-radius: 2px;
  padding: 6.5%;
  color: #30221a;
  background: linear-gradient(165deg, #f6efdf, #e5d8c0);
  box-shadow: var(--shadow-paper);
  transition:
    opacity 0s linear 360ms,
    visibility 0s linear 360ms;
  will-change: transform, opacity;
}

.photo-front {
  z-index: 2;
  transform: rotateY(0deg) translateZ(0.5px);
  visibility: visible;
  opacity: 1;
}

.photo-card.is-flipped .photo-front {
  z-index: 1;
  visibility: hidden;
  opacity: 0;
}

.photo-front::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.25;
  background: linear-gradient(115deg, rgba(255,255,255,.7), transparent 24% 74%, rgba(88,57,37,.08));
}

.photo-placeholder {
  position: relative;
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  overflow: hidden;
  border: 1px solid rgba(63, 45, 35, 0.16);
  color: rgba(48, 34, 26, 0.68);
  background:
    linear-gradient(155deg, transparent 0 50%, rgba(63, 45, 35, 0.12) 50.5% 65%, transparent 65.5%),
    radial-gradient(circle at 68% 26%, rgba(244, 221, 166, 0.85) 0 6%, transparent 6.5%),
    linear-gradient(170deg, #9d765f, #62444a 48%, #31303b);
  text-align: center;
}

.photo-placeholder::before,
.photo-placeholder::after {
  content: "";
  position: absolute;
  border-radius: 50% 50% 0 0;
  background: rgba(26, 29, 36, 0.35);
}

.photo-placeholder::before { left: -12%; bottom: -7%; width: 74%; height: 42%; transform: rotate(11deg); }
.photo-placeholder::after { right: -14%; bottom: -13%; width: 80%; height: 48%; transform: rotate(-12deg); }

.photo-placeholder.has-image::before,
.photo-placeholder.has-image::after { display: none; }

.photo-placeholder.has-image.orientation-landscape {
  flex: none;
  aspect-ratio: 4 / 3;
}

.photo-placeholder.has-image.orientation-portrait {
  flex: none;
  width: auto;
  height: 78%;
  aspect-ratio: 3 / 4;
}

.photo-placeholder.has-image.orientation-square {
  flex: none;
  aspect-ratio: 1;
}

.photo-placeholder-image {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
}

.photo-placeholder-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.photo-placeholder.has-image .photo-placeholder-copy { display: none; }

.photo-placeholder-copy span,
.photo-placeholder strong,
.photo-placeholder small { position: relative; z-index: 1; }
.photo-placeholder-copy > span { font-size: 0.56rem; letter-spacing: 0.3em; }
.photo-placeholder strong { margin-top: 0.35rem; color: var(--paper-100); font-family: var(--font-display); font-weight: 500; letter-spacing: 0.12em; }
.photo-placeholder small { margin-top: 0.25rem; color: rgba(245, 237, 221, 0.66); font-size: 0.62rem; }

.photo-meta {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-top: 0.75rem;
  text-align: left;
}

.photo-meta strong,
.photo-meta small { display: block; }
.photo-meta strong { font-family: Georgia, var(--font-display); font-size: var(--text-sm); font-weight: 500; letter-spacing: 0.12em; }
.photo-meta small { margin-top: 0.2rem; color: rgba(48, 34, 26, 0.62); font-size: var(--text-xs); }

.photo-back {
  z-index: 1;
  gap: 1.1rem;
  transform: rotateY(180deg) translateZ(0.5px);
  visibility: hidden;
  opacity: 0;
  border: 8px solid #e7dbc3;
  color: var(--paper-100);
  background:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px) 0 0 / 100% 1.8rem,
    linear-gradient(145deg, #642434, #27141a);
  text-align: center;
}

.photo-card.is-flipped .photo-back {
  z-index: 2;
  visibility: visible;
  opacity: 1;
}

.photo-back > span { color: var(--paper-300); font-size: var(--text-xs); letter-spacing: 0.12em; }
.photo-back strong { max-height: 55%; overflow: auto; font-family: var(--font-display); font-size: var(--text-lg); font-weight: 500; line-height: 1.8; }

.gallery-story {
  position: relative;
  z-index: var(--z-content);
  width: 80%;
  max-height: 5.25em;
  min-height: 3.2em;
  margin: 1rem 0 0;
  overflow: auto;
  color: var(--paper-200);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  line-height: var(--leading-copy);
  text-align: center;
  scrollbar-width: thin;
}

/* Confession — less light, more ritual */
.scene-confession {
  flex-direction: column;
  align-items: center;
  background:
    radial-gradient(ellipse at 50% 51%, rgba(108, 37, 47, 0.2), transparent 36%),
    linear-gradient(165deg, #171011, #080707 72%);
}

.confession-light {
  position: absolute;
  left: 50%;
  top: 10%;
  width: 76%;
  height: 58%;
  transform: translateX(-50%);
  opacity: 0.5;
  background: conic-gradient(from 162deg at 50% 0, transparent, rgba(133, 51, 60, 0.2) 17deg, transparent 34deg);
  filter: blur(10px);
}

.film-strip {
  position: relative;
  z-index: var(--z-content);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.35rem;
  width: 90%;
  padding: 1rem 0.55rem;
  background:
    radial-gradient(circle, #080707 0 2px, transparent 2.5px) 0 2px / 13px 8px repeat-x,
    radial-gradient(circle, #080707 0 2px, transparent 2.5px) 0 calc(100% - 2px) / 13px 8px repeat-x,
    #261d1d;
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.38);
}

.film-frame {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 52px;
  aspect-ratio: 3 / 4;
  border: 1px solid rgba(222, 198, 155, 0.2);
  padding: 0.25rem;
  color: var(--muted);
  background: #171313;
  font-family: var(--font-display);
  font-size: clamp(0.65rem, 2.8vw, 0.82rem);
  letter-spacing: 0.08em;
}

button.film-frame { cursor: pointer; }

.film-frame.is-developed {
  color: #3b291f;
  background:
    linear-gradient(135deg, rgba(255,255,255,.18), transparent 32%),
    linear-gradient(145deg, #d5b472, #8a5547);
  filter: sepia(0.22);
}

.film-frame.is-developed::after {
  content: "";
  position: absolute;
  inset: 11%;
  border: 1px solid rgba(72, 44, 34, 0.22);
}

.film-frame-empty {
  border: 1px dashed rgba(224, 184, 115, 0.55);
  color: var(--paper-200);
  background: rgba(255, 255, 255, 0.018);
  animation: empty-frame-breathe 3.8s ease-in-out infinite;
}

.film-frame-empty::after {
  content: "最后一格 · +";
  position: absolute;
  bottom: 11%;
  color: var(--amber-300);
  font-family: var(--font-body);
  font-size: 0.54rem;
  letter-spacing: 0.08em;
}

.confession-prompt {
  position: relative;
  z-index: var(--z-content);
  margin: 0.75rem 0 0;
  color: rgba(231, 217, 194, 0.6);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
}

.confession-message {
  position: relative;
  z-index: var(--z-content);
  width: 82%;
  margin: 1.15rem 0 0.9rem;
  color: var(--paper-200);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  line-height: 1.8;
  text-align: center;
}

.sealed-letter {
  position: relative;
  z-index: var(--z-content);
  display: grid;
  place-items: center;
  width: 82%;
  min-height: 150px;
  max-height: 48%;
  margin-top: 0.45rem;
  border: 1px solid rgba(86, 57, 36, 0.36);
  border-radius: 3px;
  background:
    linear-gradient(29deg, transparent 49.6%, rgba(103, 76, 50, 0.22) 50%, transparent 50.5%),
    linear-gradient(-29deg, transparent 49.6%, rgba(103, 76, 50, 0.22) 50%, transparent 50.5%),
    linear-gradient(150deg, #efe2c6, #cbb188);
  box-shadow: var(--shadow-paper);
}

.wax-seal {
  position: relative;
  z-index: 2;
  width: 60px;
  min-width: 60px;
  height: 60px;
  min-height: 60px;
  border: 5px double rgba(255, 220, 168, 0.38);
  border-radius: 50%;
  color: #f0d2a1;
  background: radial-gradient(circle at 38% 31%, #a24453, #68202d 68%);
  box-shadow: 0 8px 15px rgba(66, 21, 29, 0.38);
  cursor: pointer;
}

.letter-paper {
  width: 100%;
  max-height: min(44vh, 360px);
  overflow: auto;
  padding: 1.15rem;
  color: #3d2b21;
  background: linear-gradient(155deg, rgba(255,255,255,.18), transparent 32%);
  text-align: center;
  scrollbar-width: thin;
}

.letter-paper h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: 0.08em;
}

.letter-sections {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.15rem;
  margin-bottom: 1rem;
}

.letter-sections p {
  margin: 0;
  border-top: 1px solid rgba(88, 59, 40, 0.2);
  padding: 0.65rem 0.2rem;
  color: rgba(61, 43, 33, 0.82);
  font-family: var(--font-display);
  font-size: 0.74rem;
  line-height: 1.85;
  text-align: left;
}

.letter-sections small {
  display: block;
  margin-bottom: 0.25rem;
  color: #6c4535;
  font-family: var(--font-body);
  font-size: 0.56rem;
  letter-spacing: 0.06em;
}

.confession-back {
  position: relative;
  z-index: var(--z-content);
  margin-top: 0.5rem;
}

@keyframes empty-frame-breathe {
  0%, 100% { border-color: rgba(224, 184, 115, 0.34); }
  50% { border-color: rgba(224, 184, 115, 0.74); }
}

/* Existing vertical credits, visually reframed as a film archive */
.credits-overlay {
  position: absolute;
  inset: 0;
  z-index: var(--z-overlay);
  color: var(--paper-100);
  background:
    radial-gradient(ellipse at 50% 20%, rgba(92, 34, 42, 0.18), transparent 42%),
    #070606;
}

.credits-viewport {
  position: absolute;
  inset: 0;
  overflow: hidden;
  mask-image: linear-gradient(transparent, #000 7%, #000 91%, transparent);
}

.credits-scroll {
  position: absolute;
  left: 9%;
  top: 100%;
  width: 82%;
  animation: credits-scroll var(--credits-duration, 18s) linear forwards;
}

.credits-scroll.is-paused { animation-play-state: paused; }

.credits-card {
  position: relative;
  min-height: 0;
  margin-bottom: 5rem;
  border: 10px solid #eee4d0;
  border-bottom-width: 58px;
  border-radius: 2px;
  color: #4d382b;
  background: #eee4d0;
  box-shadow: var(--shadow-paper);
  text-align: center;
}

.credits-photo {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #211819;
}

.credits-caption {
  position: absolute;
  left: 0.35rem;
  right: 0.35rem;
  bottom: -49px;
  display: grid;
  gap: 0.12rem;
  color: #554034;
}

.credits-caption strong {
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.18em;
}

.credits-caption span {
  overflow: hidden;
  font-size: 0.58rem;
  letter-spacing: 0.04em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.credits-card-blank {
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
  border-bottom-width: 10px;
  color: rgba(239, 223, 194, 0.74);
  background:
    linear-gradient(135deg, transparent 48%, rgba(224, 184, 115, 0.08) 48.5% 51.5%, transparent 52%),
    radial-gradient(circle at 50% 44%, rgba(121, 52, 57, 0.34), transparent 44%),
    #151010;
}

.credits-blank-marker {
  display: grid;
  gap: 0.55rem;
  place-items: center;
}

.credits-blank-marker::before {
  content: "";
  width: 3rem;
  height: 3rem;
  border: 1px solid rgba(224, 184, 115, 0.48);
  border-radius: 50%;
  box-shadow: 0 0 32px rgba(181, 112, 62, 0.18);
}

.credits-blank-marker span,
.credits-blank-marker small {
  font-size: 0.58rem;
  letter-spacing: 0.18em;
}

.credits-blank-marker strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.2em;
}

.credits-end {
  padding-bottom: 45vh;
  font-family: var(--font-display);
  text-align: center;
  line-height: 1.9;
  letter-spacing: 0.06em;
}

.credits-end p {
  color: var(--paper-300);
}

.credits-end strong {
  display: block;
  margin-top: 1.1rem;
  color: var(--paper-100);
  font-weight: 500;
}

.credits-controls {
  position: absolute;
  right: var(--safe-right);
  bottom: var(--safe-bottom);
  z-index: 2;
  display: flex;
  gap: 0.5rem;
}

.credits-controls button {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  padding: 0.5rem 0.85rem;
  color: var(--paper-200);
  background: rgba(12, 9, 9, 0.82);
}

@keyframes credits-scroll {
  to { transform: translateY(calc(-100% - 115vh)); }
}

/* Debug UI is isolated and only visible in ?debug=1 */
.debug-panel {
  position: absolute;
  left: 4%;
  right: 4%;
  bottom: var(--safe-bottom);
  z-index: var(--z-debug);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.45rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  color: #fff;
  background: rgba(5, 4, 5, 0.96);
  box-shadow: var(--shadow-deep);
  font-size: 0.74rem;
}

.debug-panel > strong,
.debug-actions { grid-column: 1 / -1; }
.debug-panel label { display: contents; }
.debug-panel select,
.debug-panel input { min-width: 0; }

.debug-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.debug-actions button,
.debug-panel select,
.debug-panel input {
  min-height: 32px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 4px;
  color: #fff;
  background: #171417;
}