/* ===== 全局 token：极简黑白 Minimal Mono ===== */
:root {
  --ink: #0a0a0a;
  --paper: #fafaf8;
  --black: #000;
  --line: #eee;
  --text-2: #555;
  --text-3: #888;
  --text-4: #aaa;
  --soft-bg: #f0eee9;

  /* SF Pro 系统字体 */
  --font-system: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", system-ui, "PingFang SC", "Hiragino Sans GB", sans-serif;

  /* 字距规则（全大写英文 caption 用） */
  --caps-spacing-1: 1px;
  --caps-spacing-2: 2px;
  --caps-spacing-25: 2.5px;
  --caps-spacing-3: 3px;

  --side-padding: 24px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; overflow: hidden; background: #000; font-family: var(--font-system); }
body {
  font-family: -apple-system, 'SF Pro Display', sans-serif;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

#app {
  position: relative;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

#preview {
  width: 100%;
  height: 100%;
  object-fit: contain; /* 完整显示 video 帧（上下留黑边），保持 WYSIWYG */
  background: #000;
}

#preview.mirrored {
  transform: scaleX(-1); /* 前置自拍才镜像；切到后置去掉 */
}

/* 快门：iOS 风同心环 = 白底 + 3px 黑环 + 3px 白外环 box-shadow */
#shutter {
  position: absolute;
  bottom: max(75px, env(safe-area-inset-bottom) + 50px);
  left: 50%;
  transform: translateX(-50%);
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--ink);
  box-shadow: 0 0 0 3px #fff;
  padding: 0;
  cursor: pointer;
  transition: transform 0.1s;
  z-index: 2;
}

#shutter:active { transform: translateX(-50%) scale(0.92); }
#shutter:disabled { opacity: 0.4; cursor: not-allowed; }

/* 通知胶囊：底部三段式上方，避免跟顶部 caption 重叠 */
#status {
  position: absolute;
  bottom: calc(env(safe-area-inset-bottom) + 180px);
  left: 50%;
  transform: translateX(-50%);
  color: #fff;
  font-size: 12px;
  letter-spacing: 0.3px;
  padding: 8px 16px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 14px;
  opacity: 0;
  transition: opacity 0.25s;
  pointer-events: none;
  white-space: nowrap;
  z-index: 20;
}

#status.visible { opacity: 1; }

/* ===== 拍后确认（极简黑白）===== */

#preview-overlay {
  position: absolute;
  inset: 0;
  background: var(--black);
  z-index: 10;
}

#preview-overlay.hidden { display: none; }

/* 顶部 caption */
.preview-top {
  position: absolute;
  top: calc(env(safe-area-inset-top) + 12px);
  left: var(--side-padding);
  right: var(--side-padding);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #fff;
  font-size: 12px;
  letter-spacing: var(--caps-spacing-25);
  text-transform: uppercase;
  z-index: 11;
}

/* 照片区 — 上下都留 caption / 按钮的空间 */
.preview-photo-wrap {
  position: absolute;
  top: calc(env(safe-area-inset-top) + 60px);
  left: var(--side-padding);
  right: var(--side-padding);
  bottom: calc(env(safe-area-inset-bottom) + 166px);
  overflow: hidden;
}

#preview-image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* JUST NOW 小角标：左上 14px、6×6 白色实心方块 + 大字距 caption */
.just-now {
  position: absolute;
  top: 14px;
  left: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-size: 10px;
  letter-spacing: var(--caps-spacing-2);
  text-transform: uppercase;
  pointer-events: none;
}

.just-now-dot {
  display: block;
  width: 6px;
  height: 6px;
  background: #fff;
}

.just-now-text { opacity: 0.85; }

/* 底部双按钮 — 纯排版，左右对齐 */
.preview-actions {
  position: absolute;
  bottom: calc(env(safe-area-inset-bottom) + 60px);
  left: var(--side-padding);
  right: var(--side-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
}

.album-choice {
  position: absolute;
  left: var(--side-padding);
  right: var(--side-padding);
  bottom: calc(env(safe-area-inset-bottom) + 112px);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px;
  padding: 3px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  z-index: 12;
}

.album-option {
  height: 34px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--font-system);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
}

.album-option.active {
  background: #fff;
  color: var(--ink);
  font-weight: 600;
}

.text-stack-btn {
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: var(--font-system);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.text-stack-btn.align-left { align-items: flex-start; text-align: left; }
.text-stack-btn.align-right { align-items: flex-end; text-align: right; }

.text-stack-btn:active { opacity: 0.6; }

.text-stack-caps {
  font-size: 10px;
  letter-spacing: var(--caps-spacing-2);
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
}

.text-stack-cn {
  font-size: 15px;
  letter-spacing: 0.2px;
  color: rgba(255, 255, 255, 0.55);
}

.text-stack-cn-emph {
  color: #fff;
  font-weight: 500;
}

/* ===== 相机顶部 caption：左日期 + 右 DAY N（全大写大字距风） ===== */

.camera-top {
  position: absolute;
  top: calc(env(safe-area-inset-top) + 12px);
  left: var(--side-padding);
  right: var(--side-padding);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #fff;
  font-size: 12px;
  letter-spacing: var(--caps-spacing-25);
  text-transform: uppercase;
  z-index: 3;
  pointer-events: none;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.cam-caps-strong { opacity: 0.7; }
.cam-caps-dim { opacity: 0.4; }

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: #fff;
  background: rgba(0, 0, 0, 0.32);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 0.5px solid rgba(255, 255, 255, 0.15);
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.1s;
}

.icon-btn:active {
  transform: scale(0.92);
}

/* ===== 拍照页底部三段式：缩略图(下加 YESTERDAY caption) | 快门 | 翻转 ===== */

.cam-bottom-bar {
  position: absolute;
  bottom: max(70px, env(safe-area-inset-bottom) + 48px);
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 40px;
  height: 76px;
  z-index: 2;
  pointer-events: none;
}

.cam-bottom-bar > * { pointer-events: auto; }

/* 左侧：缩略图 + 下方 YESTERDAY caption 垂直堆叠 */
.cam-bottom-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.cam-bottom-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.cam-thumb {
  display: block;
  width: 50px;
  height: 50px;
  border-radius: 8px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.1);
  position: relative;
  cursor: pointer;
  transition: transform 0.1s;
}

.cam-thumb:active { transform: scale(0.92); }

.cam-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cam-thumb-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  pointer-events: none;
}

.cam-thumb img[src]:not([src=""]) + .cam-thumb-placeholder {
  display: none;
}

.cam-thumb-caption {
  font-size: 10px;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  font-family: var(--font-system);
}

/* 翻转：50×50 半透明 8% 白圆，无边框 */
.icon-btn.flip-btn {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.08);
  border: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  color: #fff;
}

.icon-btn.local-upload-btn {
  position: fixed;
  top: calc(env(safe-area-inset-top) + 46px);
  right: var(--side-padding);
  width: 42px;
  height: 42px;
  background: rgba(0, 0, 0, 0.22);
  border: none;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: #fff;
  z-index: 4;
  opacity: 0.86;
}

.icon-btn.local-upload-btn svg {
  width: 20px;
  height: 20px;
}

.icon-btn.flip-btn svg {
  width: 22px;
  height: 22px;
}

/* ===== 面部椭圆参考线 ===== */
.face-guide {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 230px;
  height: 320px;
  transform: translate(-50%, -55%);
  pointer-events: none;
  z-index: 1;
}

.face-guide svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* ===== 九宫格参考线 ===== */

.grid-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.grid-overlay .grid-h,
.grid-overlay .grid-v {
  position: absolute;
  background: rgba(255, 255, 255, 0.2);
}

.grid-overlay .grid-h {
  left: 0;
  right: 0;
  height: 1px;
}

.grid-overlay .grid-h:nth-child(1) { top: 33.33%; }
.grid-overlay .grid-h:nth-child(2) { top: 66.66%; }

.grid-overlay .grid-v {
  top: 0;
  bottom: 0;
  width: 1px;
}

.grid-overlay .grid-v:nth-child(3) { left: 33.33%; }
.grid-overlay .grid-v:nth-child(4) { left: 66.66%; }

/* ===== 相册页（极简黑白）===== */

body.page-album {
  background: var(--paper);
  color: var(--ink);
  height: 100vh;
  height: 100dvh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

body.viewer-open {
  overflow: hidden;
  background: var(--black);
}

.album-header {
  position: sticky;
  top: 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  padding: calc(env(safe-area-inset-top) + 8px) var(--side-padding) 16px;
  background: var(--paper);
  z-index: 10;
}

.album-title-wrap { flex: 1; min-width: 0; }

.album-title {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.6px;
  color: var(--ink);
  line-height: 1;
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.album-back {
  font-size: 24px;
  font-weight: 300;
  color: var(--ink);
  text-decoration: none;
  line-height: 1;
  opacity: 0.7;
}

.album-back:active { opacity: 1; }

.album-meta {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 4px;
  letter-spacing: 0.3px;
}

.album-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}

.text-btn {
  padding: 0;
  border: none;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-system);
  font-size: 14px;
  font-weight: 400;
  cursor: pointer;
}

.text-btn:active { opacity: 0.5; }

/* 圆形下载按钮（米色背景） */
.icon-circle-btn {
  display: flex;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--soft-bg);
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.1s;
}

.icon-circle-btn:active { transform: scale(0.92); }

/* hairline 分隔 */
.album-hairline {
  height: 1px;
  background: var(--line);
  margin: 0 var(--side-padding);
}

.album-tabs {
  position: sticky;
  top: calc(env(safe-area-inset-top) + 60px);
  z-index: 9;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
  max-width: 720px;
  margin: 0 auto;
  padding: 10px var(--side-padding);
  background: var(--paper);
}

.album-tab {
  height: 34px;
  border: none;
  border-radius: 8px;
  color: var(--text-2);
  background: var(--soft-bg);
  font-family: var(--font-system);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

.album-tab.active {
  color: #fff;
  background: var(--ink);
}

/* 上传进度浮动 toast（fixed 底部，不挡相册内容） */
.upload-toast {
  position: fixed;
  bottom: calc(env(safe-area-inset-bottom) + 24px);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(10, 10, 10, 0.9);
  color: #fff;
  font-size: 13px;
  letter-spacing: 0.2px;
  border-radius: 18px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 50;
  opacity: 1;
  transition: opacity 0.25s, transform 0.25s;
  pointer-events: none;
}

.upload-toast.hidden {
  opacity: 0;
  transform: translateX(-50%) translateY(8px);
}

.upload-toast-spinner {
  width: 12px;
  height: 12px;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: upload-toast-spin 0.8s linear infinite;
}

.upload-toast.success .upload-toast-spinner {
  border-color: transparent;
  border-top-color: transparent;
  background: #fff;
  animation: none;
  position: relative;
}

.upload-toast.success .upload-toast-spinner::after {
  content: '✓';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  font-size: 9px;
  font-weight: 700;
}

@keyframes upload-toast-spin {
  to { transform: rotate(360deg); }
}

/* 九宫格 cell 勾选圈（多选模式显示） */
.cell-check {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid #fff;
  background: rgba(0, 0, 0, 0.3);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  display: none;
  pointer-events: none;
  z-index: 3;
}

body.select-mode .cell-check { display: block; }

.cell.selected .cell-check {
  background: #0066ff;
  border-color: #fff;
}

.cell.selected .cell-check::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='3.5 8 6.5 11 12.5 5'/></svg>") center/70% no-repeat;
}

.cell.selected img { opacity: 0.75; }

/* 多选模式底部工具栏 */
.select-toolbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  gap: 8px;
  padding: 12px 16px calc(env(safe-area-inset-bottom) + 14px);
  background: rgba(250, 250, 250, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  z-index: 20;
}

.select-toolbar.hidden { display: none; }

.toolbar-btn {
  flex: 1;
  padding: 13px 0;
  border: none;
  border-radius: 12px;
  background: #111;
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}

.toolbar-btn:active { opacity: 0.8; }
.toolbar-btn:disabled { opacity: 0.3; cursor: not-allowed; }

.toolbar-btn.danger {
  background: #e03131;
}

/* 导出页批量提示条 */
.batch-banner {
  margin-bottom: 18px;
  padding: 12px 14px;
  background: rgba(0, 102, 255, 0.08);
  border: 1px solid rgba(0, 102, 255, 0.2);
  border-radius: 10px;
  color: #0052cc;
  font-size: 13px;
  text-align: center;
}

.batch-banner.hidden { display: none; }

.album-list {
  padding: 14px var(--side-padding) calc(env(safe-area-inset-bottom) + 32px);
  max-width: 720px;
  margin: 0 auto;
}

.empty {
  color: var(--text-3);
  text-align: center;
  padding: 60px 0;
  font-size: 14px;
}

/* ===== 同一天入口卡（黑底单行，跳 compare.html）===== */
.sameday-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 16px var(--side-padding) 4px;
  padding: 14px 16px;
  background: var(--ink);
  border-radius: 14px;
  color: #fff;
  text-decoration: none;
  font-family: var(--font-system);
  cursor: pointer;
  transition: transform 0.1s;
}

.sameday-card:active { transform: scale(0.99); }

.sameday-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.sameday-avatars {
  display: flex;
  flex-shrink: 0;
}

.sameday-avatar {
  width: 32px;
  height: 32px;
  border-radius: 5px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 2px var(--ink);
}

.sameday-avatar.stacked { margin-left: -10px; }

.sameday-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: rotate(var(--thumb-rotation, 0deg));
  transition: transform 160ms ease;
}

.sameday-title {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.1px;
}

.sameday-caption {
  font-size: 10px;
  letter-spacing: 1.8px;
  opacity: 0.55;
  margin-top: 2px;
  text-transform: uppercase;
}

.sameday-arrow {
  opacity: 0.8;
  flex-shrink: 0;
}

.sameday-card + .day-card { margin-top: 14px; }

.day-card { margin-bottom: 28px; }

.day-upload-input {
  position: fixed;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.day-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
  padding: 0 2px;
}

.day-date-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.day-mono {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.3px;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.day-weekday {
  font-size: 11px;
  color: var(--text-4);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.day-head-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.day-upload-btn {
  width: 30px;
  height: 30px;
  border: none;
  border-radius: 50%;
  background: var(--soft-bg);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  cursor: pointer;
}

.day-upload-btn:active {
  transform: scale(0.92);
}

.day-meta {
  font-size: 11px;
  color: var(--text-4);
  letter-spacing: 1px;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
}

/* 统一九宫格：3 列、1:1、近直角（圆角 2px） */
.day-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 6px;
}

.cell {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--soft-bg);
  border: none;
  padding: 0;
  cursor: pointer;
  border-radius: 2px;
}

.cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: rotate(var(--thumb-rotation, 0deg));
  transition: transform 160ms ease;
}

/* 待上传角标 */
.cell.pending img { opacity: 0.85; }
.cell-pending {
  position: absolute;
  top: 6px;
  left: 6px;
  font-size: 12px;
  line-height: 1;
  padding: 3px 6px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  pointer-events: none;
  z-index: 2;
}
body.select-mode .cell.pending { opacity: 0.45; cursor: not-allowed; }

/* 超过 9 张：最后一格右下叠 +N 蒙层 */
.cell-more {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.5px;
  pointer-events: none;
  z-index: 2;
}

/* ===== 单张查看器 04（极简黑白）===== */
.viewer {
  position: fixed;
  inset: 0;
  background: var(--black);
  z-index: 100;
  font-family: var(--font-system);
  color: #fff;
}

.viewer.hidden { display: none; }

/* 顶部栏：< / 日期双行 / 三点 */
.viewer-head {
  position: absolute;
  top: calc(env(safe-area-inset-top) + 12px);
  left: 0;
  right: 0;
  padding: 0 var(--side-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 40px;
  z-index: 2;
}

.viewer-head-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.viewer-back,
.viewer-rotate,
.viewer-menu {
  background: transparent;
  border: none;
  padding: 6px;
  cursor: pointer;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.viewer-back:active,
.viewer-rotate:active,
.viewer-menu:active { opacity: 0.6; }

.viewer-title-wrap {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
  pointer-events: none;
}

.viewer-date {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.2px;
  color: #fff;
}

.viewer-meta {
  font-size: 10px;
  letter-spacing: var(--caps-spacing-2);
  opacity: 0.5;
  margin-top: 2px;
  text-transform: uppercase;
}

/* 主图 */
.viewer-photo-wrap {
  position: absolute;
  top: calc(env(safe-area-inset-top) + 68px);
  left: 0;
  right: 0;
  bottom: calc(env(safe-area-inset-bottom) + 74px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.viewer-photo-wrap img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  transform: rotate(var(--viewer-rotation, 0deg)) scale(var(--viewer-rotation-scale, 1));
  transform-origin: center;
  transition: transform 160ms ease;
}

/* NEARBY DAYS 横排 */
.viewer-caption {
  font-size: 10px;
  letter-spacing: var(--caps-spacing-2);
  color: rgba(255, 255, 255, 0.4);
  text-transform: uppercase;
  font-family: var(--font-system);
}

.viewer-nearby {
  position: absolute;
  bottom: calc(env(safe-area-inset-bottom) + 12px);
  left: var(--side-padding);
  right: var(--side-padding);
}

.viewer-nearby-strip {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-top: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

.viewer-nearby-strip::-webkit-scrollbar { display: none; }

.viewer-nearby-item {
  position: relative;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 4px;
  overflow: hidden;
  border: none;
  padding: 0;
  background: rgba(255, 255, 255, 0.05);
  opacity: 0.55;
  cursor: pointer;
}

.viewer-nearby-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: rotate(var(--thumb-rotation, 0deg));
  transition: transform 160ms ease;
}

.viewer-nearby-item.active {
  opacity: 1;
  box-shadow: inset 0 0 0 1.5px #fff;
}

/* 三点弹出 actions sheet */
.viewer-actions {
  position: fixed;
  inset: 0;
  z-index: 110;
  display: flex;
  align-items: flex-end;
}

.viewer-actions.hidden { display: none; }

.viewer-actions-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}

.viewer-actions-sheet {
  position: relative;
  width: 100%;
  padding: 8px var(--side-padding) calc(env(safe-area-inset-bottom) + 8px);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.viewer-action-btn {
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: 12px;
  background: rgba(245, 245, 240, 0.95);
  color: var(--ink);
  font-family: var(--font-system);
  font-size: 15px;
  font-weight: 400;
  cursor: pointer;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.viewer-action-btn.danger { color: #e03131; }
.viewer-action-btn.cancel { font-weight: 500; margin-top: 6px; }
.viewer-action-btn:active { opacity: 0.7; }
.viewer-action-btn:disabled {
  color: rgba(10, 10, 10, 0.35);
  cursor: not-allowed;
}

/* ===== 导出页 ===== */

body.page-export {
  background: #fafafa;
  color: #111;
  height: 100%;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.export-main {
  max-width: 520px;
  margin: 0 auto;
  padding: 24px 20px calc(env(safe-area-inset-bottom) + 24px);
}

.range-row {
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
}

.range-row label {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: #666;
}

.range-row input[type="date"] {
  padding: 10px 12px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 10px;
  font-family: inherit;
  font-size: 15px;
  background: #fff;
  color: #111;
}

.quick-row {
  display: flex;
  gap: 10px;
  margin-bottom: 28px;
}

.quick-btn {
  flex: 1;
  padding: 11px 0;
  border: 1px solid rgba(0, 0, 0, 0.12);
  background: #fff;
  color: #111;
  border-radius: 10px;
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: background 0.12s;
}

.quick-btn:active { background: #f0f0f0; }

.download-btn {
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: 14px;
  background: #111;
  color: #fff;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}

.download-btn:active { opacity: 0.8; }

.export-tip {
  margin-top: 16px;
  font-size: 12px;
  color: #888;
  text-align: center;
  line-height: 1.6;
}

.url-result {
  margin-top: 24px;
}

.url-result.hidden {
  display: none;
}

.url-result label {
  display: block;
  font-size: 12px;
  color: #666;
  margin-bottom: 8px;
}

.url-box {
  display: flex;
  gap: 8px;
}

.url-box input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 10px;
  font-family: ui-monospace, monospace;
  font-size: 12px;
  background: #fff;
  color: #333;
  min-width: 0;
}

.url-box button {
  padding: 10px 16px;
  border: none;
  border-radius: 10px;
  background: #111;
  color: #fff;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.15s;
}

.url-box button:active {
  opacity: 0.8;
}

.url-note {
  margin-top: 10px;
  font-size: 11px;
  color: #888;
}

/* ===== 同一天对比页 05 ===== */
body.page-compare {
  background: var(--ink);
  color: #fff;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  font-family: var(--font-system);
}

.compare-head {
  position: absolute;
  top: calc(env(safe-area-inset-top) + 12px);
  left: 0;
  right: 0;
  padding: 0 var(--side-padding);
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 2;
}

.compare-title {
  font-size: 14px;
  font-weight: 500;
  color: #fff;
}

.compare-spacer { width: 22px; }

.compare-segment {
  position: absolute;
  top: calc(env(safe-area-inset-top) + 60px);
  left: var(--side-padding);
  right: var(--side-padding);
  background: rgba(255, 255, 255, 0.07);
  border-radius: 10px;
  padding: 3px;
  display: flex;
  z-index: 2;
}

.compare-seg-btn {
  flex: 1;
  background: transparent;
  border: none;
  text-align: center;
  padding: 8px 0;
  border-radius: 8px;
  font-family: var(--font-system);
  font-size: 12px;
  letter-spacing: 0.5px;
  color: #fff;
  font-weight: 400;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, font-weight 0.15s;
}

.compare-seg-btn.active {
  background: #fff;
  color: var(--ink);
  font-weight: 600;
}

.compare-grid {
  position: absolute;
  top: calc(env(safe-area-inset-top) + 118px);
  bottom: auto;
  left: var(--side-padding);
  right: var(--side-padding);
  height: calc(100dvh - env(safe-area-inset-top) - env(safe-area-inset-bottom) - 104px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.compare-cell {
  position: relative;
  flex: 1;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 4px;
  overflow: hidden;
}

/* 横向 scroll-snap 让多张照片可滑动浏览 */
.cell-strip {
  position: absolute;
  inset: 0;
  display: flex;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.cell-strip::-webkit-scrollbar { display: none; }

.cell-slide {
  flex-shrink: 0;
  width: 100%;
  height: 100%;
  scroll-snap-align: center;
}

.cell-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* 多张时下方显示 pagination dots */
.cell-dots {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 5px;
  z-index: 3;
  pointer-events: none;
}

.cell-dots.single { display: none; }

.cell-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  transition: background 0.15s;
}

.cell-dot.active {
  background: #fff;
}

.compare-caps {
  position: absolute;
  top: 14px;
  left: 14px;
  color: #fff;
  z-index: 2;
}

.compare-cell-date {
  font-size: 16px;
  font-weight: 500;
  margin-top: 2px;
  letter-spacing: -0.2px;
}

.compare-cell-foot {
  position: absolute;
  bottom: 14px;
  right: 14px;
  color: #fff;
  font-size: 10px;
  letter-spacing: var(--caps-spacing-2);
  text-transform: uppercase;
  opacity: 0.5;
  z-index: 2;
}

.compare-empty {
  position: absolute;
  bottom: 200px;
  left: 0;
  right: 0;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
}

.compare-empty.hidden { display: none; }