/* ===== 皮皮的成长日记 - 温馨欢乐主题 ===== */
:root {
  --coral: #ff7e5f;
  --coral-deep: #f06543;
  --peach: #feb47b;
  --amber: #ffb84d;
  --pink: #ff9a8b;
  --cream: #fff8f0;
  --cream-2: #fff1e0;
  --card: #ffffff;
  --brown: #5d4037;
  --brown-deep: #4a3226;
  --text: #8a6d5e;
  --muted: #b49a8a;
  --radius: 20px;
  --radius-sm: 14px;
  --shadow: 0 10px 28px rgba(240, 101, 67, .12);
  --shadow-lg: 0 20px 50px rgba(240, 101, 67, .2);
  --grad: linear-gradient(135deg, #ff7e5f, #feb47b);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(900px 400px at 90% -5%, rgba(255, 184, 77, .16), transparent 60%),
    radial-gradient(700px 380px at -5% 10%, rgba(255, 158, 139, .14), transparent 55%),
    var(--cream);
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
.container { max-width: 1180px; margin: 0 auto; padding: 0 22px; }
a { text-decoration: none; color: inherit; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  border: none;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 22px rgba(240, 101, 67, .34); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(240, 101, 67, .44); }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.btn-ghost { background: #fff; color: var(--coral-deep); border: 2px solid #ffe0cf; }
.btn-ghost:hover { border-color: var(--peach); transform: translateY(-2px); }
.btn-danger { background: #fff0f0; color: #e5484d; }
.btn-danger:hover { background: #ffe2e2; }
.btn-block { width: 100%; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255, 248, 240, .86);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid rgba(255, 126, 95, .12);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 66px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: var(--brown-deep); }
.brand-icon { font-size: 26px; }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: var(--text); font-weight: 600; font-size: 15px; transition: color .18s ease; }
.nav-links a:hover { color: var(--coral-deep); }

/* ===== Hero ===== */
.hero { padding: 66px 0 40px; text-align: center; }
.hero-inner { max-width: 720px; margin: 0 auto; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 18px; background: #fff; border: 1.5px solid #ffe0cf;
  color: var(--coral-deep); border-radius: 999px;
  font-size: 14px; font-weight: 700; margin-bottom: 20px;
  box-shadow: var(--shadow);
}
.hero-avatar {
  width: 132px; height: 132px; border-radius: 50%;
  overflow: hidden; margin: 0 auto 20px;
  box-shadow: 0 16px 36px rgba(240, 101, 67, .3);
  border: 4px solid #fff; background: var(--cream-2);
}
.hero-avatar img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 30%; display: block;
}
.dog-info {
  display: flex; justify-content: center; gap: 10px; flex-wrap: wrap;
  margin: 18px 0 4px;
}
.info-chip {
  padding: 6px 14px; background: #fff; border: 1.5px solid #ffe0cf;
  border-radius: 999px; font-size: 14px; font-weight: 600;
  color: var(--brown); box-shadow: var(--shadow);
}
.age-display { font-size: 16px; color: var(--text); margin: 4px 0 10px; }
.age-display strong { color: var(--coral-deep); font-size: 19px; }
.hero h1 { font-size: clamp(34px, 6vw, 52px); color: var(--brown-deep); font-weight: 800; letter-spacing: -1px; }
.hero-sub { font-size: 17px; color: var(--text); margin: 14px 0 8px; }
.hero-stats { display: flex; justify-content: center; gap: 44px; margin-top: 30px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; align-items: center; }
.stat strong { font-size: 32px; color: var(--coral-deep); font-weight: 800; }
.stat span { font-size: 13px; color: var(--muted); }

/* ===== 照片墙（石墙自动布局） ===== */
.gallery-section { padding: 30px 0 70px; }
.section-title { display: flex; align-items: center; gap: 10px; font-size: 22px; color: var(--brown-deep); font-weight: 800; margin-bottom: 22px; }
.section-title::before { content: ""; width: 8px; height: 24px; background: var(--grad); border-radius: 4px; }

.masonry { columns: 4; column-gap: 18px; }
.album { margin-bottom: 40px; }
.album-header {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; user-select: none;
  padding: 6px 2px; margin-bottom: 16px;
  border-radius: 8px;
  transition: background .15s ease;
}
.album-header:hover { background: rgba(255, 126, 95, .06); }
.album-header h2 { font-size: 19px; color: var(--brown-deep); font-weight: 800; }
.album-header .count { font-size: 13px; color: var(--muted); font-weight: 500; }
.album-header .arrow {
  margin-left: auto; font-size: 15px; color: var(--coral-deep);
  transition: transform .25s ease; padding-right: 6px;
}
.album.collapsed .album-header .arrow { transform: rotate(-90deg); }
.album.collapsed .masonry .photo:nth-child(n+4) { display: none; }
.album-more {
  display: none; width: 100%; margin-top: 10px;
  padding: 12px; border: 1.5px dashed #ffd4c0; border-radius: 12px;
  background: #fffaf5; color: var(--coral-deep); font-weight: 700; font-size: 14px;
  cursor: pointer; font-family: inherit;
  transition: background .15s ease, border-color .15s ease;
}
.album-more:hover { background: #fff3ea; border-color: var(--coral); }
.album.collapsed .album-more { display: block; }
.photo {
  break-inside: avoid;
  margin-bottom: 18px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
  box-shadow: var(--shadow);
  cursor: zoom-in;
  position: relative;
  transition: transform .22s ease, box-shadow .22s ease;
  animation: fadeUp .5s ease both;
}
.photo:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.photo img { width: 100%; display: block; }
.photo-meta {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 34px 14px 12px;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, .62));
  color: #fff; font-size: 13px;
  display: flex; align-items: flex-end; justify-content: space-between; gap: 8px;
}
.photo-meta .date { font-weight: 600; }
.photo-meta .cap { font-weight: 500; opacity: .95; text-align: right; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* 空状态 */
.empty-state {
  text-align: center; padding: 70px 20px;
  background: var(--card); border: 2px dashed #ffe0cf; border-radius: var(--radius);
}
.empty-state .big { font-size: 60px; }
.empty-state h3 { color: var(--brown-deep); margin: 14px 0 8px; font-size: 20px; }
.empty-state p { color: var(--text); margin-bottom: 22px; }

/* ===== 灯箱 ===== */
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(40, 24, 18, .94);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: opacity .25s ease, visibility .25s ease;
}
.lightbox.show { opacity: 1; visibility: visible; }
.lightbox img {
  max-width: 92vw; max-height: 86vh;
  border-radius: 10px; box-shadow: 0 30px 80px rgba(0, 0, 0, .5);
}
.lightbox .lb-caption { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); color: #ffe9df; font-size: 15px; text-align: center; padding: 0 20px; }
.lightbox .lb-close {
  position: absolute; top: 20px; right: 24px; width: 46px; height: 46px;
  border-radius: 50%; border: none; background: rgba(255, 255, 255, .16); color: #fff;
  font-size: 20px; cursor: pointer; transition: background .18s ease;
}
.lightbox .lb-close:hover { background: rgba(255, 255, 255, .3); }
.lightbox .lb-nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: 50%; border: none;
  background: rgba(255, 255, 255, .16); color: #fff; font-size: 22px; cursor: pointer;
  transition: background .18s ease;
}
.lightbox .lb-nav:hover { background: rgba(255, 255, 255, .3); }
.lightbox .lb-prev { left: 18px; }
.lightbox .lb-next { right: 18px; }

/* ===== 页脚 ===== */
.site-footer { padding: 36px 0; text-align: center; color: var(--muted); font-size: 14px; }
.site-footer a { color: var(--coral-deep); font-weight: 600; }

/* ===== 管理页 ===== */
.admin-wrap { max-width: 760px; margin: 0 auto; padding: 50px 22px 80px; }
.admin-card {
  background: var(--card); border: 1px solid #ffe0cf; border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow); margin-bottom: 26px;
}
.admin-card h2 { color: var(--brown-deep); font-size: 20px; margin-bottom: 6px; }
.admin-card .hint { color: var(--muted); font-size: 13.5px; margin-bottom: 20px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-weight: 700; color: var(--brown); font-size: 14px; margin-bottom: 8px; }
.field input[type="text"], .field input[type="password"], .field textarea {
  width: 100%; padding: 13px 16px; border: 1.5px solid #ffe0cf; border-radius: var(--radius-sm);
  font-family: inherit; font-size: 15px; color: var(--brown-deep); background: #fffdf9;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--peach); box-shadow: 0 0 0 4px rgba(255, 126, 95, .12); }
.field textarea { resize: vertical; }

.upload-drop {
  border: 2px dashed #ffd4c0; border-radius: var(--radius); padding: 34px 20px;
  text-align: center; cursor: pointer; transition: border-color .18s ease, background .18s ease;
  color: var(--text);
}
.upload-drop:hover { border-color: var(--coral); background: #fffaf5; }
.upload-drop .ico { font-size: 42px; display: block; margin-bottom: 8px; }
.upload-drop input[type="file"] { display: none; }

.preview-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 14px; }
.preview-grid .pv { aspect-ratio: 1; border-radius: 10px; overflow: hidden; background: var(--cream-2); }
.preview-grid .pv img { width: 100%; height: 100%; object-fit: cover; }

.progress { height: 10px; background: #ffe0cf; border-radius: 999px; overflow: hidden; margin-top: 16px; display: none; }
.progress.show { display: block; }
.progress .bar { height: 100%; width: 0; background: var(--grad); border-radius: 999px; transition: width .3s ease; }
.msg { margin-top: 14px; font-size: 14px; min-height: 20px; }
.msg.ok { color: #16a34a; }
.msg.err { color: #e5484d; }

/* 已上传照片管理列表 */
.manage-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.manage-item { border-radius: var(--radius-sm); overflow: hidden; background: var(--card); border: 1px solid #ffe0cf; box-shadow: var(--shadow); }
.manage-item img { width: 100%; aspect-ratio: 1; object-fit: cover; display: block; }
.manage-item .mi-foot { padding: 8px 10px; display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.manage-item .mi-date { font-size: 12px; color: var(--muted); }
.manage-item .mi-del { background: none; border: none; color: #e5484d; cursor: pointer; font-size: 16px; padding: 2px 4px; }

.back-link { display: inline-flex; align-items: center; gap: 6px; color: var(--coral-deep); font-weight: 600; margin-bottom: 18px; }

/* ===== 响应式 ===== */
@media (max-width: 1100px) { .masonry { columns: 3; } }
@media (max-width: 760px) {
  .masonry { columns: 2; column-gap: 12px; }
  .photo { margin-bottom: 12px; border-radius: 16px; }
  .preview-grid { grid-template-columns: repeat(3, 1fr); }
  .manage-list { grid-template-columns: repeat(3, 1fr); }
  .hero-stats { gap: 30px; }
}
@media (max-width: 460px) {
  .masonry { columns: 2; column-gap: 10px; }
  .manage-list { grid-template-columns: repeat(2, 1fr); }
}