:root {
  --p: #e8735a;         /* 主色：暖珊瑚 */
  --p-dark: #c95a42;
  --teal: #1d9e75;
  --bg: #fff3ea;        /* B 版奶油底 */
  --card: #ffffff;
  --text: #4a3f38;
  --muted: #b09a8d;
  --line: #f3e2d6;
  --radius: 22px;       /* B 版大圆角 */
  --shadow: 0 8px 22px rgba(214,116,90,.10);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.6;
  overflow-x: hidden; -webkit-text-size-adjust: 100%;
}
.hidden { display: none !important; }
h3 { letter-spacing: .5px; }

/* 登录（B 版） */
.login-page { min-height: 100vh; min-height: 100svh; display: flex; align-items: center; justify-content: center; padding: 20px;
  background: linear-gradient(160deg, #fff3ea 0%, #fde4d4 55%, #fbd8c2 100%); }
.login-card { background: var(--card); border-radius: 28px; padding: 40px 30px 34px; width: 100%; max-width: 380px; text-align: center;
  box-shadow: 0 18px 44px rgba(214,116,90,.18); position: relative; }
.login-logo { font-size: 52px; display: inline-block; background: #fdeee6; border-radius: 50%; padding: 16px; }
.login-card h1 { font-size: 21px; margin: 12px 0 2px; color: var(--p-dark); }
.login-sub { color: var(--muted); margin-bottom: 22px; font-size: 13.5px; }
.login-card input { width: 100%; margin-bottom: 12px; }
.err { color: #d24a3a; font-size: 13px; min-height: 20px; margin-top: 6px; }

/* 通用 */
input, select, textarea {
  border: 1.5px solid var(--line); border-radius: 14px; padding: 11px 13px; font-size: 15px;
  background: #fffdfa; color: var(--text); outline: none; min-width: 0;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus { border-color: var(--p); box-shadow: 0 0 0 3px rgba(232,115,90,.12); }
.btn { border: none; border-radius: 14px; padding: 11px 20px; font-size: 15px; cursor: pointer; background: var(--line); color: var(--text);
  transition: transform .12s, box-shadow .15s, opacity .15s; }
.btn:active { transform: scale(.96); }
.btn.primary { background: linear-gradient(135deg, #f2917a, #e8735a); color: #fff; box-shadow: 0 6px 16px rgba(232,115,90,.35); }
.btn.primary:active { background: linear-gradient(135deg, #e8735a, #d96a4f); }
.btn.ghost { background: transparent; border: 1.5px solid var(--line); color: #a08776; }
.btn.small { padding: 5px 13px; font-size: 13px; border-radius: 999px; }
.btn.block { width: 100%; }
.card { background: var(--card); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; box-shadow: var(--shadow); }
.card h3 { font-size: 16.5px; margin-bottom: 12px; }
.hint { color: var(--muted); font-size: 13px; }
.form-row { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.form-row input, .form-row select { flex: 1; }
input[type="date"], select { flex: 0 0 auto; }
.card > .btn.primary { margin-top: 6px; }

/* 布局 */
.topbar { position: sticky; top: 0; z-index: 10; background: rgba(255,243,234,.88); backdrop-filter: blur(10px);
  display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid rgba(243,226,214,.8); }
.brand { font-size: 16px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.who { color: var(--muted); font-size: 13px; }
.tabs { display: flex; gap: 4px; overflow-x: auto; padding: 10px 12px; position: sticky; top: 49px; z-index: 9;
  background: rgba(255,243,234,.92); backdrop-filter: blur(8px); }
.tab { flex: 1; white-space: nowrap; border: none; background: transparent; padding: 8px 14px; border-radius: 999px; font-size: 14px;
  cursor: pointer; color: var(--muted); transition: background .15s, color .15s; }
.tab.active { background: linear-gradient(135deg, #f2917a, #e8735a); color: #fff; box-shadow: 0 4px 12px rgba(232,115,90,.3); }
main { max-width: 760px; margin: 0 auto; padding: 14px 14px 90px; }

/* 视图淡入 */
.view { animation: fadein .25s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* 首页大图 Hero（整屏海报） */
.hero {
  position: relative; height: 100vh; height: 100svh;
  border-radius: 0; overflow: hidden; margin: 0;
  background: linear-gradient(135deg, #f6c1a9, #ef9f8a 55%, #e88a6d);
  background-size: cover; background-position: center 30%;
}
/* 首页模式：隐藏顶栏，导航变透明浮层，内容区全宽 */
.home-mode .topbar { display: none; }
.home-mode main { max-width: none; padding: 0 0 90px; }
/* 首屏锁定：滚动时海报留在原地，下方内容层从底部盖上来 */
.home-mode .hero { position: sticky; top: 0; z-index: 0; }
.home-below {
  position: relative; z-index: 1;
  background: var(--bg);
  border-radius: 26px 26px 0 0;
  margin-top: -26px;
  padding: 18px 16px 8px;
  min-height: 100svh;
  box-shadow: 0 -10px 34px rgba(74,38,22,.14);
}
.home-below .sec-head { margin-bottom: 10px; }
.home-mode .tabs { position: fixed; top: 0; left: 0; right: 0; bottom: auto; height: auto;
  background: linear-gradient(180deg, rgba(0,0,0,.4), rgba(0,0,0,0)); backdrop-filter: none; }
.home-mode .tab { color: rgba(255,255,255,.9); text-shadow: 0 1px 4px rgba(0,0,0,.4); }
.home-mode .tab.active { background: rgba(255,255,255,.28); color: #fff; backdrop-filter: blur(6px); box-shadow: none; }

.hero-info {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 90px 28px 30px;
  background: linear-gradient(180deg, rgba(0,0,0,0), rgba(0,0,0,.62));
  color: #fff;
}
.hero-info b { font-size: clamp(28px, 4.5vw, 44px); letter-spacing: 2px; text-shadow: 0 2px 10px rgba(0,0,0,.45); }
.hero-info p { font-size: 15px; opacity: .96; margin-top: 6px; }
.hero-info .hl { color: #ffd9b0; font-weight: 500; font-size: 19px; }
.hero-badge {
  position: absolute; top: 56px; left: 16px; background: rgba(0,0,0,.35); color: #fff;
  font-size: 12px; padding: 4px 12px; border-radius: 999px; backdrop-filter: blur(4px);
}
/* 首页右上角：更换封面 */
.hero-cover-btn {
  position: absolute; top: 52px; right: 16px; z-index: 3;
  background: rgba(255,255,255,.22); color: #fff; border: 1px solid rgba(255,255,255,.5);
  font-size: 12.5px; padding: 6px 14px; border-radius: 999px; cursor: pointer;
  backdrop-filter: blur(6px); transition: transform .15s, background .2s;
}
.hero-cover-btn:hover { background: rgba(255,255,255,.35); }
.hero-cover-btn:active { transform: scale(.95); }
.scroll-hint { position: absolute; bottom: 46px; left: 50%; transform: translateX(-50%); width: 22px; height: 22px; opacity: .85; z-index: 2; }
.scroll-hint::before { content: ''; position: absolute; left: 3px; top: 2px; width: 12px; height: 12px;
  border-right: 2.5px solid #fff; border-bottom: 2.5px solid #fff; transform: rotate(45deg); }
@media (prefers-reduced-motion: no-preference) {
  .scroll-hint { animation: bounce 1.6s infinite; }
  @keyframes bounce { 0%,100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 7px); } }
}
@media (max-width: 640px) {
  .hero-info { padding: 90px 20px 86px; }
  .hero-badge { top: 58px; }
  .hero-cover-btn { top: 56px; }
  .scroll-hint { display: none; }
}

/* 统计卡（B 版彩色胶囊） */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 16px 0 16px; }
.stat { background: var(--card); border-radius: 18px; padding: 14px 8px; text-align: center; box-shadow: var(--shadow); }
.stat b { display: block; font-size: 22px; color: var(--p); }
.stat b i { font-style: normal; font-size: 12px; color: var(--muted); margin-left: 2px; }
.stat span { font-size: 12px; color: var(--muted); }
.stat:nth-child(2) b { color: #e59a2f; }
.stat:nth-child(3) b { color: #3aa88f; }
.stat:nth-child(4) b { color: #7f77dd; }
.recent-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.recent-grid img, .recent-grid .vthumb { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 14px; cursor: pointer; }
.vthumb { background: linear-gradient(135deg, #4ec3a2, #1d9e75); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 22px; }
/* 首页：查看更多照片（跳相册） */
.more-photos { margin: 16px 0 4px; border-radius: 999px; padding: 13px 20px; font-size: 14.5px; letter-spacing: .5px; }
.more-photos span { font-size: 13px; opacity: .88; }

/* 生长曲线 */
.seg { display: inline-flex; background: #fdeee6; border-radius: 999px; padding: 3px; margin-bottom: 12px; }
.seg-btn { border: none; background: transparent; padding: 6px 16px; border-radius: 999px; cursor: pointer; font-size: 13px; color: var(--muted); }
.seg-btn.active { background: #fff; color: var(--p); font-weight: 500; box-shadow: 0 2px 8px rgba(214,116,90,.15); }
#chartBox svg { width: 100%; height: auto; display: block; }

/* 列表 */
.row-item { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 11px 0; border-bottom: 1px dashed var(--line); }
.row-item:last-child { border-bottom: none; }
.row-item .r-main b { font-size: 15px; }
.row-item .r-sub { color: var(--muted); font-size: 12px; }
.row-item .r-val { color: var(--p); font-weight: 500; white-space: nowrap; }
.badge { display: inline-block; padding: 1px 9px; border-radius: 999px; font-size: 12px; }
.badge.on { background: #e1f5ee; color: #0f6e56; }
.badge.off { background: #fdeee6; color: var(--muted); }
.del { border: none; background: transparent; color: #d24a3a; cursor: pointer; font-size: 13px; }

/* 相册 */
.file-input { width: 100%; border: 1.5px dashed #eccdb8; border-radius: 14px; padding: 13px; margin-bottom: 10px; background: #fffaf5; color: var(--muted); }
.filter-row { display: flex; gap: 8px; margin-bottom: 12px; }
.filter-row select { flex: 1; }
.tl-date { font-weight: 600; margin: 16px 0 8px; color: var(--p-dark); display: flex; align-items: center; gap: 8px; }
.tl-date::after { content: ''; flex: 1; height: 1px; background: var(--line); }
.tl-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.tl-grid img, .tl-grid .vthumb { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 14px; cursor: pointer; }
.tl-item .cap { font-size: 12px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
/* 相册每张图的「设为封面」星标 */
.tl-item { position: relative; }
.tl-star {
  position: absolute; top: 6px; right: 6px; z-index: 2;
  width: 26px; height: 26px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,.35); color: #fff; font-size: 14px; cursor: pointer;
  backdrop-filter: blur(4px); transition: transform .15s, background .2s;
}
.tl-star:hover { background: rgba(0,0,0,.55); transform: scale(1.08); }
.tl-star.on { background: var(--p); color: #fff8f2; }
.tl-item .cover-tag {
  position: absolute; top: 6px; left: 6px; z-index: 2; background: var(--p); color: #fff;
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
}

/* 封面选择弹窗 */
.cover-picker { position: fixed; inset: 0; background: rgba(40,26,18,.72); z-index: 200; display: flex; align-items: center; justify-content: center; padding: 20px; }
.cp-panel { background: var(--card); border-radius: 22px; max-width: 720px; width: 100%; max-height: 86vh; display: flex; flex-direction: column; overflow: hidden; box-shadow: 0 24px 60px rgba(90,50,30,.35); }
.cp-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px 6px; }
.cp-head b { font-size: 17px; }
.cp-close { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: #fdeee6; color: var(--p); cursor: pointer; font-size: 15px; }
.cp-tip { padding: 0 20px 12px; color: var(--muted); font-size: 12.5px; }
.cp-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 9px; padding: 0 20px 16px; overflow-y: auto; }
.cp-item { position: relative; border-radius: 14px; overflow: hidden; cursor: pointer; aspect-ratio: 1; background: #f7e9e0; }
.cp-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .3s; }
.cp-item:hover img { transform: scale(1.06); }
.cp-item.active { outline: 3px solid var(--p); outline-offset: -3px; }
.cp-item .cp-mark { position: absolute; left: 0; right: 0; bottom: 0; font-size: 11px; color: #fff; text-align: center; padding: 3px 4px; background: linear-gradient(180deg, rgba(0,0,0,0), rgba(0,0,0,.6)); }
.cp-item.active .cp-mark { background: var(--p); }
.cp-item .cp-date { position: absolute; top: 5px; left: 5px; font-size: 10.5px; color: #fff; background: rgba(0,0,0,.35); padding: 1px 7px; border-radius: 999px; }
.cp-foot { padding: 12px 20px 18px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.cp-foot button { border: none; border-radius: 999px; padding: 9px 18px; font-size: 13.5px; cursor: pointer; }
.cp-ghost { background: #fdeee6; color: var(--p); }
.cp-act { background: linear-gradient(135deg, var(--p), #e88a6d); color: #fff; }

/* 轻提示 */
.toast { position: fixed; left: 50%; bottom: 90px; transform: translateX(-50%); z-index: 300;
  background: rgba(40,26,18,.88); color: #fff; font-size: 13.5px; padding: 9px 20px; border-radius: 999px;
  opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s; }
.toast.show { opacity: 1; transform: translate(-50%, -6px); }

@media (max-width: 640px) {
  .cp-grid { grid-template-columns: repeat(3, 1fr); }
  .cp-panel { max-height: 82vh; border-radius: 20px; }
}
.progress { height: 8px; background: #fdeee6; border-radius: 999px; overflow: hidden; margin-bottom: 10px; }
.progress .bar { height: 100%; width: 0; background: linear-gradient(90deg, #4ec3a2, #1d9e75); border-radius: 999px; transition: width .2s; }
.empty { color: var(--muted); text-align: center; padding: 22px 0; font-size: 14px; }

/* 大图（轮播版） */
.lightbox { position: fixed; inset: 0; background: rgba(30,20,14,.9); z-index: 100; display: flex; flex-direction: column;
  align-items: center; justify-content: center; padding: 16px; animation: fadein .18s ease; }
.lb-stage { flex: 1; width: 100%; display: flex; align-items: center; justify-content: center; min-height: 0; }
.lb-stage img, .lb-stage video { max-width: 100%; max-height: 100%; border-radius: 12px; }
.lb-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 42px; height: 42px; border: none; border-radius: 50%;
  background: rgba(255,255,255,.16); color: #fff; font-size: 20px; cursor: pointer; backdrop-filter: blur(4px); z-index: 5; }
.lb-nav:hover { background: rgba(255,255,255,.3); }
.lb-prev { left: 12px; }
.lb-next { right: 12px; }
.lb-count { position: absolute; top: 16px; right: 16px; color: rgba(255,255,255,.8); font-size: 13px; background: rgba(0,0,0,.3);
  padding: 3px 12px; border-radius: 999px; z-index: 5; }
.lbcap { width: 100%; max-width: 760px; margin: 12px auto 0; background: rgba(255,255,255,.1); border-radius: 16px;
  padding: 12px 16px; color: #eee; font-size: 13.5px; text-align: center; }
.lbcap .lb-meta { margin-bottom: 6px; }
.lbcap a, .lbcap .lb-act { color: #ffd9b0; text-decoration: none; cursor: pointer; margin: 0 6px; }
.lbcap .lb-danger { color: #ff9d94; }

/* 手机适配：底部标签栏 */
@media (max-width: 640px) {
  .tabs { position: fixed; bottom: 0; left: 0; right: 0; top: auto; margin: 0; padding: 7px 4px calc(7px + env(safe-area-inset-bottom));
    background: #fff; border-top: 1px solid var(--line); backdrop-filter: none; }
  .tab { display: flex; flex-direction: column; align-items: center; font-size: 11px; padding: 4px 2px; gap: 1px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .recent-grid { grid-template-columns: repeat(3, 1fr); }
  .tl-grid { grid-template-columns: repeat(2, 1fr); }
  main { padding-bottom: 110px; }
  .lb-nav { top: auto; bottom: 90px; transform: none; }
  .lbcap { font-size: 12.5px; padding: 10px 12px; }
}
@media (hover: none) {
  .btn { -webkit-tap-highlight-color: transparent; }
}