/* ============================================================
   scene1.css — 开场 / 时光走廊 / 密码门
   ============================================================ */

/* ---------------- 开场 ---------------- */
.cover {
  background: radial-gradient(120% 90% at 50% 46%, #221913 0%, #0d0907 62%);
  display: grid;
  place-items: center;
}

.cover__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  transform: translateY(-4vh);
}

/* 会呼吸的光点 */
.lamp {
  position: relative;
  width: 108px;
  height: 108px;
  border: none;
  padding: 0;
  background: none;
  cursor: pointer;
  display: grid;
  place-items: center;
}

.lamp__core {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: radial-gradient(circle, #fff6dd 0%, var(--gold-glow) 45%, rgba(255, 200, 100, 0) 72%);
  box-shadow:
    0 0 18px 6px rgba(255, 205, 120, 0.55),
    0 0 54px 20px rgba(255, 170, 80, 0.28);
  animation: lamp-breathe 3.4s ease-in-out infinite;
}

.lamp__halo {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 210, 130, 0.16) 0%, rgba(255, 190, 100, 0) 68%);
  animation: halo-breathe 3.4s ease-in-out infinite;
}

@keyframes lamp-breathe {
  0%, 100% { transform: scale(0.82); opacity: 0.78; }
  50% { transform: scale(1.12); opacity: 1; }
}

@keyframes halo-breathe {
  0%, 100% { transform: scale(0.9); opacity: 0.5; }
  50% { transform: scale(1.18); opacity: 1; }
}

.cover__hint {
  color: rgba(253, 246, 233, 0.62);
  font-size: var(--fs-md);
  letter-spacing: 0.24em;
  padding-left: 0.24em;
  animation: hint-fade 3.4s ease-in-out infinite;
}

@keyframes hint-fade {
  0%, 100% { opacity: 0.35; }
  50% { opacity: 0.85; }
}

/* 开灯时的白闪 */
.flash {
  position: absolute;
  inset: 0;
  z-index: 85;
  background: radial-gradient(circle at 50% 45%, #fff4d8 0%, rgba(255, 232, 190, 0.6) 30%, rgba(255, 220, 160, 0) 72%);
  opacity: 0;
  pointer-events: none;
}

.flash.is-playing {
  animation: flash-in 0.85s var(--ease-soft) forwards;
}

@keyframes flash-in {
  0% { opacity: 0; }
  22% { opacity: 1; }
  100% { opacity: 0; }
}

/* ---------------- 走廊 ---------------- */
.corridor {
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
  background:
    radial-gradient(120% 55% at 50% 0%, rgba(255, 214, 150, 0.42) 0%, rgba(255, 214, 150, 0) 64%),
    linear-gradient(180deg, #5b4231 0%, #463327 42%, #2f2219 100%);
}

/* 墙纸竖条 + 两侧暗角 */
.corridor__wall {
  position: relative;
  min-height: 100%;
  padding: calc(var(--sat) + 46px) 20px calc(var(--sab) + 40px);
}

.corridor__wall::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(255, 226, 178, 0.055) 0 2px,
    rgba(0, 0, 0, 0) 2px 26px
  );
}

.corridor__wall::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.45) 0%, rgba(0, 0, 0, 0) 18%, rgba(0, 0, 0, 0) 82%, rgba(0, 0, 0, 0.45) 100%);
}

/* 顶部计数 */
.seen-count {
  position: sticky;
  top: 0;
  z-index: 12;
  margin: -18px auto 6px;
  width: fit-content;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  color: rgba(253, 246, 233, 0.66);
  background: rgba(20, 14, 10, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

/* 往下走的提示 */
.scroll-cue {
  position: sticky;
  top: 42px;
  z-index: 11;
  width: fit-content;
  margin: 0 auto 24px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: rgba(253, 246, 233, 0.45);
  background: rgba(20, 14, 10, 0.3);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-cue.is-hidden {
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
}

/* 年份段 */
.year-block {
  position: relative;
  z-index: 2;
  margin: 0 auto 30px;
  max-width: 460px;
}

.year-sign {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px 2px;
  opacity: 0;
  transform: translateX(-14px);
  transition: opacity 0.6s ease, transform 0.6s var(--ease-soft);
}

.is-lit .year-sign {
  opacity: 1;
  transform: translateX(0);
}

.year-sign__plate {
  padding: 5px 16px 6px;
  border-radius: 5px 7px 5px 7px;
  background: linear-gradient(180deg, #c98f61, var(--wood-deep));
  color: #fff2dc;
  font-size: var(--fs-sm);
  letter-spacing: 0.22em;
  box-shadow:
    inset 0 1px 0 rgba(255, 240, 210, 0.4),
    0 3px 8px rgba(0, 0, 0, 0.35);
}

.year-sign__line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 226, 178, 0.42), rgba(255, 226, 178, 0));
}

/* 照片排布 */
.frames {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 12px;
  justify-content: center;
  align-items: flex-start;
}

/* 拍立得 */
.polaroid {
  --tilt: -2deg;
  position: relative;
  width: calc(50% - 10px);
  max-width: 190px;
  padding: 9px 9px 0;
  border: none;
  background: linear-gradient(178deg, #fffdf7 0%, #f7efdf 100%);
  border-radius: 3px 4px 3px 4px;
  box-shadow:
    0 2px 0 rgba(255, 255, 255, 0.6) inset,
    0 10px 22px rgba(0, 0, 0, 0.42),
    0 2px 6px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  opacity: 0;
  transform: translateY(26px) rotate(var(--tilt));
  transition:
    opacity 0.55s ease var(--d, 0s),
    transform 0.55s var(--ease-pop) var(--d, 0s);
  text-align: center;
}

.is-lit .polaroid {
  opacity: 1;
  transform: translateY(0) rotate(var(--tilt));
}

.polaroid:only-child {
  max-width: 218px;
}

/* 一年只有一张时，左右交错，像沿着走廊走 */
.year-block.is-right .polaroid:only-child {
  margin-left: auto;
  margin-right: 2%;
}

.year-block:not(.is-right) .polaroid:only-child {
  margin-right: auto;
  margin-left: 2%;
}

.polaroid:active {
  transform: rotate(var(--tilt)) scale(0.965);
}

.polaroid__img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 2px;
  background: linear-gradient(160deg, #fbe3c4, #eda9a0);
}

.polaroid__cap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
  padding: 8px 4px 11px;
  min-height: 46px;
  line-height: 1.35;
}

.polaroid__cap em {
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.1em;
  color: #b09a84;
}

.polaroid__cap b {
  font-size: 13px;
  font-weight: 400;
  color: #6b5747;
  letter-spacing: 0.02em;
}

/* 一枚小图钉 */
.polaroid::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  width: 9px;
  height: 9px;
  margin-left: -4.5px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, #ffdca6, #b7793f 70%);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
  z-index: 3;
}

/* 照片放大 */
.viewer {
  z-index: 70;
}

.viewer__card {
  width: min(100%, 400px);
  padding: 14px 14px 18px;
  border-radius: var(--r-md);
  background: linear-gradient(178deg, #fffdf7, #f4ead7);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.55);
  text-align: center;
}

.viewer__img {
  display: block;
  width: 100%;
  max-height: 56vh;
  object-fit: contain;
  border-radius: 3px;
  background: #14100d;
}

.viewer__meta {
  padding: 16px 6px 4px;
}

.viewer__date {
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  color: var(--ink-faint);
}

.viewer__label {
  margin-top: 6px;
  font-size: var(--fs-lg);
  color: var(--ink);
}

.viewer__note {
  margin-top: 10px;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--ink-soft);
}

.viewer__flip {
  margin-top: 14px;
  width: 100%;
  min-height: 44px;
  border: none;
  border-radius: var(--r-sm);
  background: rgba(122, 90, 65, 0.08);
  box-shadow: inset 0 0 0 1.5px rgba(122, 90, 65, 0.22);
  color: var(--ink-soft);
  font-family: inherit;
  font-size: var(--fs-sm);
  letter-spacing: 0.12em;
  cursor: pointer;
}

.viewer__flip:active {
  transform: scale(0.98);
}

.viewer__back {
  display: none;
  margin-top: 12px;
  padding: 16px 16px 18px;
  border-radius: 6px;
  background:
    repeating-linear-gradient(180deg, rgba(150, 120, 85, 0) 0 26px, rgba(150, 120, 85, 0.14) 26px 27px),
    linear-gradient(180deg, #fdf8ee, #f6ecd9);
  text-align: left;
  font-size: 17px;
  line-height: 27px;
  color: #5b4636;
  letter-spacing: 0.03em;
  white-space: pre-wrap;
  transform: rotate(-0.6deg);
  box-shadow: inset 0 0 0 1px rgba(150, 120, 85, 0.18);
}

.viewer__back.is-shown {
  display: block;
  animation: back-in 0.3s ease;
}

@keyframes back-in {
  from { opacity: 0; transform: rotate(-0.6deg) translateY(6px); }
  to { opacity: 1; transform: rotate(-0.6deg) translateY(0); }
}

.viewer__close {
  margin-top: 14px;
  width: 100%;
}

/* ---------------- 门 ---------------- */
.door-wrap {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 0 26px;
}

.door-hint {
  margin-bottom: 18px;
  font-size: var(--fs-sm);
  letter-spacing: 0.16em;
  color: rgba(253, 246, 233, 0.5);
}

.door {
  position: relative;
  width: min(72vw, 250px);
  aspect-ratio: 0.62;
  border: none;
  padding: 0;
  cursor: pointer;
  border-radius: 6px 6px 2px 2px;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.16), rgba(0, 0, 0, 0) 22%, rgba(0, 0, 0, 0) 78%, rgba(0, 0, 0, 0.22)),
    linear-gradient(180deg, #9b6b47, #7b5133);
  box-shadow:
    inset 0 0 0 6px #6b4629,
    inset 0 0 0 8px rgba(255, 226, 178, 0.18),
    0 16px 40px rgba(0, 0, 0, 0.55);
  transform-origin: left center;
  transition: transform 1.15s cubic-bezier(0.5, 0, 0.2, 1), filter 0.6s ease;
}

.door.is-open {
  transform: perspective(900px) rotateY(-68deg);
  filter: brightness(0.8);
}

/* 门板中的两格 */
.door__panel {
  position: absolute;
  left: 16%;
  right: 16%;
  border-radius: 2px;
  box-shadow: inset 0 0 0 2px rgba(60, 34, 16, 0.45), inset 0 0 18px rgba(0, 0, 0, 0.32);
}

.door__panel--top {
  top: 12%;
  height: 30%;
}

.door__panel--bottom {
  top: 48%;
  height: 36%;
}

/* 门缝漏出的光 */
.door__light {
  position: absolute;
  top: -2%;
  bottom: -2%;
  left: 0;
  width: 12px;
  border-radius: 4px;
  background: linear-gradient(90deg, rgba(255, 226, 170, 0) 0%, rgba(255, 226, 170, 0.95) 70%, rgba(255, 240, 200, 1) 100%);
  opacity: 0;
  transition: opacity 0.9s ease 0.35s;
  filter: blur(1.5px);
}

.door.is-open .door__light {
  opacity: 1;
}

/* 门把 */
.door__knob {
  position: absolute;
  right: 12%;
  top: 52%;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: radial-gradient(circle at 34% 30%, #ffe6b8, #c1902f 65%, #8a6420);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.55);
}

/* 密码锁 */
.lock-btn {
  position: absolute;
  left: 50%;
  top: 63%;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 10px;
  background: radial-gradient(circle at 50% 30%, #d8c09a, #9e8258 70%);
  box-shadow:
    inset 0 0 0 2px rgba(80, 55, 25, 0.6),
    0 4px 12px rgba(0, 0, 0, 0.5);
  color: #3c2a14;
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  z-index: 4;
  pointer-events: none;
}

.lock-btn__dots {
  display: flex;
  gap: 4px;
}

.lock-btn__dots i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(60, 42, 20, 0.35);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.4);
}

/* ---------------- 密码键盘 ---------------- */
.keypad {
  z-index: 75;
  align-items: end;
  padding: 0;
}

.keypad .modal__card {
  width: 100%;
  max-width: 520px;
  border-radius: 26px 26px 0 0;
  padding: 22px 20px calc(var(--sab) + 18px);
  background: linear-gradient(180deg, #2e2118, #221812);
  color: var(--cream);
  box-shadow: 0 -18px 50px rgba(0, 0, 0, 0.6);
  transform: translateY(40px);
  transition: transform 0.4s var(--ease-soft);
}

.keypad.is-open .modal__card {
  transform: translateY(0);
}

.keypad__title {
  white-space: pre-line;
  font-size: var(--fs-md);
  text-align: center;
  color: rgba(253, 246, 233, 0.92);
  letter-spacing: 0.06em;
}

.keypad__sub {
  margin-top: 6px;
  text-align: center;
  font-size: var(--fs-xs);
  letter-spacing: 0.2em;
  color: rgba(253, 246, 233, 0.45);
}

.keypad__dots {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 18px 0 6px;
}

.keypad__dots i {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: rgba(253, 246, 233, 0.14);
  box-shadow: inset 0 0 0 1.5px rgba(253, 246, 233, 0.32);
  transition: background 0.18s ease, transform 0.18s var(--ease-pop);
}

.keypad__dots i.is-filled {
  background: var(--gold);
  box-shadow: 0 0 12px rgba(246, 196, 106, 0.7);
  transform: scale(1.12);
}

.keypad__msg {
  min-height: 22px;
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--rose);
  letter-spacing: 0.04em;
}

/* 错误抖动 */
.shake {
  animation: shake-x 0.42s ease;
}

@keyframes shake-x {
  0%, 100% { transform: translateX(0); }
  18% { transform: translateX(-9px); }
  38% { transform: translateX(8px); }
  58% { transform: translateX(-6px); }
  78% { transform: translateX(4px); }
}

.keypad__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 8px;
}

.key {
  appearance: none;
  border: none;
  min-height: 62px;
  border-radius: 16px;
  background: rgba(253, 246, 233, 0.07);
  box-shadow: inset 0 0 0 1.5px rgba(253, 246, 233, 0.13);
  color: var(--cream);
  font-family: inherit;
  font-size: 24px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: transform 0.12s var(--ease-pop), background 0.14s ease;
}

.key:active {
  transform: scale(0.93);
  background: rgba(253, 246, 233, 0.2);
}

.key--ghost {
  font-size: var(--fs-sm);
  color: rgba(253, 246, 233, 0.6);
  letter-spacing: 0.08em;
}

.keypad__actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.keypad__actions .btn {
  flex: 1;
  min-height: 46px;
  font-size: var(--fs-sm);
}

.keypad__actions .btn--ghost {
  background: rgba(253, 246, 233, 0.08);
}

/* 门边的钟（走廊里） */
.corridor-clock {
  position: relative;
  left: auto;
  top: auto;
  display: block;
  margin: 0 auto 14px;
  cursor: pointer;
  transition: transform 0.2s var(--ease-pop);
}

.corridor-clock:active {
  transform: scale(0.94);
}

.clock-note {
  min-height: 20px;
  margin: 0 0 6px;
  text-align: center;
  font-size: var(--fs-sm);
  letter-spacing: 0.14em;
  color: rgba(253, 246, 233, 0.55);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.clock-note.is-shown {
  opacity: 1;
}

/* 照片加载时的呼吸占位 */
.polaroid__img {
  background: linear-gradient(100deg, #ece0c8 25%, #f9f0de 37%, #ece0c8 63%);
  background-size: 400% 100%;
  animation: photo-shimmer 1.5s ease infinite;
}

@keyframes photo-shimmer {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

/* 键盘底部三个按钮 */
.keypad__actions {
  flex-wrap: wrap;
}

.keypad__actions .btn {
  padding: 0 12px;
  letter-spacing: 0.06em;
}