/* 宝贝相册 H5 — 浅色温馨风 · 展示升级版 */
* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
:root {
  --bg: #FAF6F0;
  --card: #FFFFFF;
  --ink: #3B3128;
  --ink2: #94867A;
  --accent: #E76F51;
  --accent-soft: #FDEBE3;
  --sage: #2A9D8F;
  --line: #EFE6DA;
  --radius: 18px;
}
html { font-size: 16px; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
  min-height: 100vh;
}
#app { max-width: 720px; margin: 0 auto; padding-bottom: 96px; }
button { font-family: inherit; border: none; cursor: pointer; }
input, textarea { font-family: inherit; outline: none; }
::-webkit-scrollbar { width: 0; height: 0; }

/* ---------- 顶栏 ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: linear-gradient(180deg, var(--bg) 82%, transparent);
  padding: 18px 20px 10px;
  display: flex; align-items: center; justify-content: space-between;
}
.topbar h1 { font-size: 22px; font-weight: 800; letter-spacing: 1px; }
.topbar h1 .baby { color: var(--accent); }
.topbar .sub { font-size: 12px; color: var(--ink2); margin-top: 2px; font-weight: 400; letter-spacing: 0; }
.avatar {
  width: 40px; height: 40px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 16px; flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(61,50,41,.12);
}

/* ---------- 分类筛选 ---------- */
.chips {
  display: flex; gap: 8px; padding: 2px 20px 4px; overflow-x: auto; align-items: center;
}
.chip {
  flex-shrink: 0; background: var(--card); border: 1.5px solid var(--line);
  color: var(--ink2); font-size: 13px; font-weight: 600;
  padding: 7px 16px; border-radius: 30px; transition: all .15s;
}
.chip b { color: inherit; margin-left: 3px; font-weight: 700; }
.chip.on {
  background: var(--ink); border-color: var(--ink); color: #fff;
}
.chip.view.on { background: var(--accent); border-color: var(--accent); }
.chip-sep { flex-shrink: 0; width: 1px; height: 20px; background: var(--line); margin: 0 4px; }

/* ---------- 大卡片流 ---------- */
.month-title {
  margin: 28px 20px 14px; font-size: 16px; font-weight: 800; color: var(--ink);
  display: flex; align-items: baseline; gap: 8px;
}
.month-title small { font-size: 12px; font-weight: 500; color: var(--ink2); }
.month-title::after { content: ""; flex: 1; height: 1px; background: var(--line); align-self: center; }
.big-grid { padding: 0 20px; display: grid; grid-template-columns: 1fr; gap: 26px; }
@media (min-width: 640px) { .big-grid { grid-template-columns: 1fr 1fr; } }
.card.big {
  background: var(--card); border-radius: 20px; overflow: hidden;
  box-shadow: 0 4px 18px rgba(61,50,41,.08);
}
.card.big img, .card.big video {
  width: 100%; display: block; max-height: 430px; object-fit: cover;
}
.card-body { padding: 14px 16px 12px; }
.cap-full {
  font-size: 15px; line-height: 1.65; font-weight: 500;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.cap-full.muted { color: var(--ink2); font-weight: 400; }
.facts {
  display: flex; flex-wrap: wrap; gap: 4px 14px;
  font-size: 12px; color: var(--ink2); margin-top: 9px;
}
.card .meta {
  padding: 10px 0 2px; font-size: 12px; color: var(--ink2);
  display: flex; gap: 12px; align-items: center;
  border-top: 1px dashed var(--line); margin-top: 10px;
}
.mini-act {
  background: none; color: var(--ink2); font-size: 13px;
  display: flex; align-items: center; gap: 4px; padding: 4px 2px;
}
.mini-act b { font-weight: 600; }
.mini-act.like.on { color: var(--accent); }
.mini-act:active { transform: scale(.92); }
.by { margin-left: auto; font-size: 12px; color: var(--ink2); }
.card .vtag {
  position: absolute; top: 12px; right: 12px; background: rgba(0,0,0,.45);
  color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 20px;
  backdrop-filter: blur(4px);
}
.card .like-mini { display: flex; align-items: center; gap: 3px; }
.last-c {
  font-size: 12px; color: var(--ink2); background: #F7F1E8;
  border-radius: 10px; padding: 7px 10px; margin-top: 9px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.empty {
  text-align: center; color: var(--ink2); padding: 70px 30px; font-size: 14px; line-height: 2;
}
.empty .big { font-size: 46px; }

/* ---------- 底部上传按钮 ---------- */
.fab-wrap { position: fixed; bottom: 96px; left: 0; right: 0; display: flex; justify-content: center; z-index: 30; }
.fab {
  background: linear-gradient(135deg, #F4A261, #E76F51); color: #fff;
  font-size: 15px; font-weight: 700; padding: 13px 30px; border-radius: 40px;
  box-shadow: 0 6px 20px rgba(231,111,81,.4); letter-spacing: 2px;
}
.fab:active { transform: scale(.96); }

/* ---------- 底部导航 ---------- */
.tabbar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 25;
  display: flex; justify-content: space-around;
  background: rgba(255,255,255,.92); backdrop-filter: blur(12px);
  border-top: 1px solid var(--line); padding: 8px 0 calc(10px + env(safe-area-inset-bottom));
}
.tab { background: none; font-size: 11px; color: var(--ink2); display: flex; flex-direction: column; align-items: center; gap: 2px; width: 70px; }
.tab .ico { font-size: 22px; }
.tab.on { color: var(--accent); }

/* ---------- 登录弹层 ---------- */
.sheet-mask, .lightbox {
  position: fixed; inset: 0; z-index: 50; background: rgba(30,20,12,.55);
  display: flex; align-items: flex-end; justify-content: center;
  animation: fade .18s ease;
}
@keyframes fade { from { opacity: 0; } }
.sheet {
  background: var(--card); width: 100%; max-width: 560px;
  border-radius: 24px 24px 0 0; padding: 24px 24px calc(28px + env(safe-area-inset-bottom));
  max-height: 88vh; overflow-y: auto; animation: up .22s ease;
}
@keyframes up { from { transform: translateY(60px); opacity: .5; } }
.sheet h2 { font-size: 18px; margin-bottom: 18px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--ink2); margin-bottom: 6px; }
.field input, .field textarea {
  width: 100%; border: 1.5px solid var(--line); border-radius: 12px;
  padding: 12px 14px; font-size: 15px; background: #FFFBF7; color: var(--ink);
}
.field input:focus { border-color: var(--accent); }
.btn-main {
  width: 100%; background: linear-gradient(135deg, #F4A261, #E76F51); color: #fff;
  font-size: 16px; font-weight: 700; padding: 14px; border-radius: 14px; margin-top: 8px;
}
.btn-ghost {
  width: 100%; background: none; color: var(--ink2); font-size: 14px; padding: 12px; margin-top: 4px;
}
.err { color: var(--accent); font-size: 13px; min-height: 18px; margin: 6px 0; }
.logo-hero { text-align: center; padding: 26px 0 6px; }
.logo-hero .e { font-size: 52px; }
.logo-hero p { color: var(--ink2); font-size: 13px; margin-top: 6px; }

/* ---------- 灯箱 ---------- */
.lightbox { align-items: stretch; background: #171210; flex-direction: row; z-index: 60; }
.lb-stage {
  flex: 1; display: flex; align-items: center; justify-content: center;
  min-width: 0; position: relative; overflow: hidden;
}
.lb-stage img, .lb-stage video { max-width: 100%; max-height: 100%; object-fit: contain; }
.lb-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 40px; height: 40px; border-radius: 50%; font-size: 18px; color: #fff;
  background: rgba(255,255,255,.14); backdrop-filter: blur(4px);
  display: none;
}
.lb-nav.show { display: block; }
#lb-prev { left: 12px; }
#lb-next { right: 12px; }
.lb-topbar {
  position: absolute; top: 0; left: 0; right: 0; z-index: 5;
  display: flex; justify-content: flex-end; padding: 14px;
  background: linear-gradient(180deg, rgba(10,6,4,.5), transparent);
}
.lb-close {
  background: rgba(255,255,255,.15); color: #fff; width: 36px; height: 36px; border-radius: 50%; font-size: 16px;
}
/* 信息侧栏（桌面右侧 / 手机底部） */
.lb-panel {
  width: 380px; flex-shrink: 0; background: #201813; color: #EDE5DC;
  display: flex; flex-direction: column; overflow: hidden;
  border-left: 1px solid rgba(255,255,255,.06);
}
@media (max-width: 719px) {
  .lightbox { flex-direction: column; }
  .lb-stage { flex: 1; min-height: 0; }
  .lb-panel {
    width: 100%; height: 46%; border-left: none;
    border-top: 1px solid rgba(255,255,255,.08); border-radius: 18px 18px 0 0;
  }
}
.lb-scroll { flex: 1; overflow-y: auto; padding: 18px 20px 10px; }
.lb-cap { font-size: 15px; line-height: 1.6; font-weight: 500; }
.lb-cap-edit { width: 100%; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); color: #fff; border-radius: 10px; padding: 10px 12px; font-size: 14px; min-height: 66px; resize: none; }
.edit-form label { display: block; font-size: 11px; color: rgba(255,255,255,.45); margin: 10px 0 4px; letter-spacing: 1px; }
.edit-form .ef-input {
  width: 100%; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15);
  color: #fff; border-radius: 10px; padding: 9px 12px; font-size: 14px;
}
.edit-form input[type="datetime-local"] { color-scheme: dark; }
.lb-cap-actions { display: flex; gap: 8px; margin-top: 8px; }
.lb-cap-actions button { border-radius: 8px; padding: 7px 16px; font-size: 13px; font-weight: 600; }
.lb-cap-save { background: var(--accent); color: #fff; }
.lb-cap-cancel { background: rgba(255,255,255,.12); color: #eee; }
.lb-edit-btn {
  background: none; color: rgba(255,255,255,.45); font-size: 12px; padding: 2px 6px; margin-left: 6px;
  border: 1px solid rgba(255,255,255,.2); border-radius: 6px;
}
.lb-author { font-size: 12px; opacity: .65; margin-top: 6px; display: flex; align-items: center; gap: 6px; }
.lb-author .avatar { width: 22px; height: 22px; font-size: 11px; box-shadow: none; }
.lb-actions { display: flex; gap: 20px; padding: 12px 20px; border-top: 1px solid rgba(255,255,255,.07); }
.lb-actions button { background: none; color: #fff; font-size: 14px; display: flex; align-items: center; gap: 5px; }
.lb-actions .danger { opacity: .55; margin-left: auto; }
/* 拍摄信息 */
.exif-block { margin-top: 14px; background: rgba(255,255,255,.05); border-radius: 14px; padding: 14px 16px; }
.exif-block h4 { font-size: 12px; color: rgba(255,255,255,.5); letter-spacing: 2px; margin-bottom: 10px; font-weight: 600; }
.exif-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 9px 14px; }
.exif-item { font-size: 13px; line-height: 1.5; min-width: 0; }
.exif-item .k { font-size: 11px; color: rgba(255,255,255,.42); margin-bottom: 1px; }
.exif-item .v { word-break: break-all; }
.exif-item .v a { color: #F4A261; text-decoration: none; }
.exif-item .v.none { color: rgba(255,255,255,.3); }
.lb-comments { flex-shrink: 0; max-height: 32%; overflow-y: auto; padding: 4px 20px 10px; border-top: 1px solid rgba(255,255,255,.07); }
.lb-comments .c-item { display: flex; gap: 10px; padding: 8px 0; color: #E8E0D6; font-size: 13px; align-items: flex-start; }
.lb-comments .c-item .avatar { width: 26px; height: 26px; font-size: 11px; box-shadow: none; }
.lb-comments .c-who { font-size: 11px; opacity: .55; }
.lb-comments .c-txt { line-height: 1.5; }
.lb-comment-bar {
  flex-shrink: 0; display: flex; gap: 10px; padding: 10px 16px calc(14px + env(safe-area-inset-bottom));
  border-top: 1px solid rgba(255,255,255,.07);
}
.lb-comment-bar input {
  flex: 1; border: none; border-radius: 22px; padding: 11px 16px; font-size: 14px; background: rgba(255,255,255,.1); color: #fff;
}
.lb-comment-bar input::placeholder { color: rgba(255,255,255,.4); }
.lb-comment-bar button { background: var(--accent); color: #fff; border-radius: 22px; padding: 0 20px; font-weight: 700; }

/* ---------- 上传 ---------- */
.up-box { padding: 0 20px; }
.up-tip {
  font-size: 12px; color: var(--ink2); background: #F2EBE1; border-radius: 12px;
  padding: 10px 14px; margin-bottom: 12px; line-height: 1.7;
}
.up-tip b { color: var(--sage); }
.up-drop {
  border: 2px dashed #E3C6AB; border-radius: var(--radius); background: #FFFBF7;
  padding: 34px 20px; text-align: center; color: var(--ink2); font-size: 14px; line-height: 1.9;
}
.up-drop .e { font-size: 40px; }
.up-list { margin-top: 14px; display: flex; flex-direction: column; gap: 12px; }
.up-item {
  display: flex; gap: 12px; background: var(--card); border-radius: 14px; padding: 10px;
  box-shadow: 0 1px 8px rgba(61,50,41,.06); align-items: center;
}
.up-thumb {
  width: 72px; height: 72px; border-radius: 10px; overflow: hidden; flex-shrink: 0;
  background: #F5EBE0; position: relative;
}
.up-thumb img, .up-thumb video { width: 100%; height: 100%; object-fit: cover; }
.up-thumb .pct {
  position: absolute; inset: 0; background: rgba(0,0,0,.5); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700;
}
.up-thumb .pct.done { background: rgba(42,157,143,.8); }
.up-thumb .pct.fail { background: rgba(200,60,40,.8); font-size: 12px; }
.up-main { flex: 1; min-width: 0; }
.up-name { font-size: 13px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.up-size { font-size: 11px; color: var(--ink2); margin-top: 2px; }
.up-item input {
  width: 100%; border: 1.5px solid var(--line); border-radius: 10px; padding: 8px 12px;
  font-size: 13px; margin-top: 7px; background: #FFFBF7;
}
.up-item .rm {
  width: 26px; height: 26px; border-radius: 50%; background: rgba(0,0,0,.06);
  color: var(--ink2); font-size: 12px; flex-shrink: 0; align-self: flex-start;
}

/* ---------- 我的页 ---------- */
.me-card { margin: 10px 20px; background: var(--card); border-radius: var(--radius); padding: 20px; }
.me-row { display: flex; align-items: center; gap: 14px; }
.me-row .info b { font-size: 17px; }
.me-row .info p { font-size: 12px; color: var(--ink2); margin-top: 3px; }
.invite-box {
  margin-top: 16px; background: var(--accent-soft); border-radius: 14px; padding: 14px 16px;
  display: flex; align-items: center; justify-content: space-between;
}
.invite-box .code { font-size: 22px; font-weight: 800; letter-spacing: 4px; color: var(--accent); }
.invite-box p { font-size: 11px; color: var(--ink2); margin-top: 2px; }
.copy-btn { background: var(--accent); color: #fff; border-radius: 10px; padding: 8px 14px; font-size: 13px; }
.members { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 16px; }
.member { text-align: center; width: 56px; }
.member .avatar { margin: 0 auto 4px; }
.member span { font-size: 11px; color: var(--ink2); display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.me-links { margin: 10px 20px; }
.me-link {
  width: 100%; text-align: left; background: var(--card); border-radius: 14px;
  padding: 15px 18px; font-size: 14px; color: var(--ink); margin-bottom: 8px;
  display: flex; justify-content: space-between; align-items: center;
}
.me-link .arr { color: #D8C8B8; }
.toast {
  position: fixed; top: 18%; left: 50%; transform: translateX(-50%); z-index: 99;
  background: rgba(40,30,22,.88); color: #fff; padding: 10px 22px; border-radius: 24px; font-size: 14px;
  animation: fade .2s ease; pointer-events: none; max-width: 80vw; text-align: center;
}
.spin { display: inline-block; width: 18px; height: 18px; border: 2px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: sp .7s linear infinite; }
@keyframes sp { to { transform: rotate(360deg); } }

/* ---------- 补填时间按钮 ---------- */
.fill-btn {
  background: #E76F51; color: #fff; border: none; cursor: pointer;
  font-size: 11px; font-weight: 600; padding: 3px 12px;
  border-radius: 20px; margin-left: 6px; vertical-align: middle;
}
.fill-btn:active { transform: scale(.94); }

/* ---------- 灯箱作者行：拍摄时间为主 ---------- */
.lb-author { align-items: center; }
.lb-author-txt { flex: 1; min-width: 0; }
.lb-author-txt .taken { font-size: 14px; font-weight: 700; color: #fff; }
.lb-author-txt .taken .un-taken { color: rgba(255,255,255,.45); font-weight: 500; font-size: 13px; }
.lb-author-txt .up-at { font-size: 11.5px; color: rgba(255,255,255,.5); margin-top: 2px; }

/* ---------- 分享只读模式 ---------- */
.guest-tip {
  margin: 18px 20px 90px; padding: 14px 18px;
  background: #FFF3E9; border: 1.5px dashed #E8C9B0; border-radius: 14px;
  font-size: 12.5px; line-height: 1.7; color: #8A6A50; text-align: center;
}

/* ============================================================
   桌面端布局（≥900px）：多列瀑布流 + 悬浮导航
   手机端（<900px）不受影响
   ============================================================ */
@media (min-width: 900px) {
  #app { max-width: 1240px; padding-bottom: 130px; }

  /* 顶栏更舒展 */
  .topbar { padding: 30px 40px 16px; }
  .topbar h1 { font-size: 30px; letter-spacing: 2px; }
  .topbar .sub { font-size: 13px; }
  .topbar .avatar { width: 46px; height: 46px; font-size: 18px; }

  /* 筛选标签居中铺开 */
  .chips { justify-content: center; flex-wrap: wrap; overflow: visible; padding: 6px 40px 10px; }
  .chip { padding: 8px 20px; font-size: 13.5px; }

  /* 分组标题 */
  .month-title { margin: 44px 40px 20px; font-size: 20px; letter-spacing: 1px; }

  /* 多列瀑布流（替代双列大卡片） */
  .big-grid { padding: 0 40px; display: block; column-count: 3; column-gap: 22px; }
  .card.big {
    break-inside: avoid; margin-bottom: 22px;
    transition: transform .2s ease, box-shadow .2s ease;
    will-change: transform;
  }
  .card.big:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 40px rgba(61,50,41,.16);
  }
  .card.big img, .card.big video { max-height: 520px; }
  .card-body { padding: 16px 18px 14px; }
  .cap-full { font-size: 15.5px; -webkit-line-clamp: 4; }
  .facts { font-size: 12.5px; margin-top: 10px; }
  .mini-act { font-size: 13.5px; }
  .mini-act:hover { color: var(--accent); }
  .by { font-size: 12.5px; }

  /* 底部导航 → 悬浮胶囊 */
  .tabbar {
    left: 50%; right: auto; transform: translateX(-50%);
    bottom: 26px; width: auto; gap: 4px;
    border: 1px solid var(--line); border-radius: 44px;
    box-shadow: 0 12px 38px rgba(61,50,41,.16);
    padding: 9px 14px;
  }
  .tab { width: 104px; border-radius: 34px; padding: 7px 0; transition: background .15s; }
  .tab .ico { font-size: 24px; }
  .tab span:not(.ico) { font-size: 12px; }
  .tab.on { background: var(--accent-soft); }
  .fab-wrap { bottom: 110px; }
  .fab { font-size: 16px; padding: 14px 36px; }

  /* 表单类页面收窄居中，避免拉伸难看 */
  .up-box, .me-card, .me-links, .guest-tip { max-width: 760px; margin-left: auto; margin-right: auto; }
  .up-box { padding: 0; }
  .up-drop { padding: 52px 30px; font-size: 15px; }
  .empty { padding: 90px 30px; font-size: 15px; }

  /* 灯箱侧栏加宽一点 */
  .lb-panel { width: 420px; }
}
@media (min-width: 1440px) {
  #app { max-width: 1420px; }
  .big-grid { column-count: 4; }
}