/* ============================================================
   情侣网站 - 共享样式
   ============================================================ */

:root {
  --pink: #ff8fab;
  --pink-soft: #ffd6e0;
  --pink-bg: #fff5f8;
  --rose: #e05780;
  --rose-deep: #c9366a;
  --plum: #7a2e4e;
  --text: #4a3540;
  --text-soft: #8a6b78;
  --white: #ffffff;
  --shadow: 0 10px 30px rgba(224, 87, 128, 0.12);
  --shadow-lg: 0 20px 50px rgba(224, 87, 128, 0.22);
  --radius: 20px;
  --radius-sm: 12px;
  --grad: linear-gradient(135deg, #ffb3c6 0%, #ff8fab 45%, #e05780 100%);
  --grad-soft: linear-gradient(135deg, #fff0f5 0%, #ffe3ec 100%);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Songti SC", "STSong", "Noto Serif SC", Georgia, serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--pink-bg);
  background-image:
    radial-gradient(circle at 12% 18%, rgba(255, 143, 171, 0.16), transparent 40%),
    radial-gradient(circle at 88% 8%, rgba(224, 87, 128, 0.12), transparent 45%),
    radial-gradient(circle at 78% 92%, rgba(255, 179, 198, 0.18), transparent 42%);
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

/* ---------------- 顶部导航 ---------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(255, 143, 171, 0.22);
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--rose-deep);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.brand .heart {
  color: var(--pink);
  animation: beat 1.4s ease-in-out infinite;
  display: inline-block;
}
@keyframes beat {
  0%, 100% { transform: scale(1); }
  25% { transform: scale(1.22); }
  45% { transform: scale(0.95); }
}

.nav-links {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  list-style: none;
}
.nav-links a {
  display: block;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.94rem;
  color: var(--text-soft);
  transition: all 0.22s ease;
  white-space: nowrap;
}
.nav-links a:hover {
  color: var(--rose-deep);
  background: var(--pink-soft);
}
.nav-links a.active {
  color: var(--white);
  background: var(--grad);
  box-shadow: 0 6px 16px rgba(224, 87, 128, 0.35);
}

/* ---------------- 通用标题 ---------------- */
.page-head {
  text-align: center;
  margin: 22px 0 38px;
}
.page-head h1 {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  color: var(--rose-deep);
  letter-spacing: 1px;
}
.page-head .sub {
  color: var(--text-soft);
  margin-top: 8px;
  font-size: 0.98rem;
}
.page-head .divider {
  margin: 16px auto 0;
  width: 80px;
  height: 3px;
  border-radius: 3px;
  background: var(--grad);
}

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: 999px;
  background: var(--grad);
  color: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 8px 20px rgba(224, 87, 128, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(224, 87, 128, 0.4); }
.btn.ghost {
  background: var(--white);
  color: var(--rose-deep);
  border: 1.5px solid var(--pink-soft);
  box-shadow: none;
}
.btn.ghost:hover { background: var(--pink-soft); }

/* ---------------- 主页 Hero ---------------- */
.hero {
  text-align: center;
  padding: 30px 16px 10px;
}
.hero-names {
  font-family: var(--serif);
  font-size: clamp(2rem, 6vw, 3.4rem);
  font-weight: 700;
  color: var(--rose-deep);
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}
.hero-names .amp {
  font-size: 0.7em;
  color: var(--pink);
  animation: beat 1.4s ease-in-out infinite;
}
.hero-tag {
  margin-top: 14px;
  color: var(--text-soft);
  font-size: 1.02rem;
}

.together-card {
  margin: 38px auto 0;
  max-width: 880px;
  background: var(--white);
  border-radius: 28px;
  padding: 38px 26px 34px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 143, 171, 0.18);
  position: relative;
  overflow: hidden;
}
.together-card::before {
  content: "❤";
  position: absolute;
  top: -40px;
  right: -20px;
  font-size: 180px;
  color: rgba(255, 143, 171, 0.09);
  transform: rotate(12deg);
  pointer-events: none;
}
.together-label {
  color: var(--text-soft);
  font-size: 1.02rem;
  letter-spacing: 1px;
}
.together-days {
  font-family: var(--serif);
  font-size: clamp(3.6rem, 13vw, 6.5rem);
  font-weight: 800;
  line-height: 1.05;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 4px 0 2px;
}
.together-days small { font-size: 0.32em; -webkit-text-fill-color: var(--text-soft); }

.counter-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 26px;
}
.counter-item {
  background: var(--grad-soft);
  border-radius: var(--radius-sm);
  padding: 16px 6px;
  border: 1px solid rgba(255, 143, 171, 0.2);
}
.counter-item .num {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 4.5vw, 2rem);
  font-weight: 700;
  color: var(--rose-deep);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.counter-item .lab {
  font-size: 0.78rem;
  color: var(--text-soft);
  margin-top: 4px;
}

.next-anniv {
  margin-top: 26px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--pink-bg);
  border: 1px dashed var(--pink);
  color: var(--rose-deep);
  font-size: 0.92rem;
}
.next-anniv strong { font-variant-numeric: tabular-nums; }

.home-links {
  margin-top: 46px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
}
.home-link {
  display: block;
  background: var(--white);
  border-radius: var(--radius);
  padding: 26px 20px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 143, 171, 0.14);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.home-link:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.home-link .ico { font-size: 2rem; }
.home-link .t { font-family: var(--serif); font-weight: 700; color: var(--rose-deep); margin-top: 10px; font-size: 1.1rem; }
.home-link .d { color: var(--text-soft); font-size: 0.86rem; margin-top: 4px; }

/* ---------------- 100件事 ---------------- */
.progress-wrap {
  background: var(--white);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 143, 171, 0.16);
  margin-bottom: 26px;
}
.progress-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}
.progress-top .label { font-weight: 600; color: var(--plum); }
.progress-top .count { font-family: var(--serif); color: var(--rose-deep); font-size: 1.2rem; font-weight: 700; }
.progress-bar {
  height: 14px;
  border-radius: 999px;
  background: var(--pink-soft);
  overflow: hidden;
}
.progress-bar span {
  display: block;
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: var(--grad);
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.filter-bar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 22px;
  justify-content: center;
}
.filter-bar button {
  padding: 8px 18px;
  border-radius: 999px;
  background: var(--white);
  color: var(--text-soft);
  border: 1.5px solid var(--pink-soft);
  font-size: 0.9rem;
  transition: all 0.2s ease;
}
.filter-bar button:hover { border-color: var(--pink); color: var(--rose-deep); }
.filter-bar button.active { background: var(--grad); color: #fff; border-color: transparent; }

.things-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}
.thing-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 16px 16px 16px 14px;
  border: 1px solid rgba(255, 143, 171, 0.16);
  box-shadow: 0 4px 14px rgba(224, 87, 128, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
}
.thing-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--pink); }
.thing-card.done { background: linear-gradient(135deg, #fff7fa, #ffeef4); }

.check {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  border-radius: 9px;
  border: 2px solid var(--pink);
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 15px;
  margin-top: 2px;
  pointer-events: none;
}
.check.checked { background: var(--grad); border-color: transparent; }

.thing-body { flex: 1; min-width: 0; cursor: pointer; }
.thing-idx { font-size: 0.72rem; color: var(--pink); font-weight: 700; letter-spacing: 1px; }
.thing-title {
  font-weight: 600;
  color: var(--plum);
  font-size: 1rem;
  margin-top: 2px;
  line-height: 1.4;
}
.thing-card.done .thing-title { color: var(--text-soft); text-decoration: line-through; text-decoration-color: var(--pink); }
.thing-meta { font-size: 0.76rem; color: var(--text-soft); margin-top: 6px; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.tag {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--pink-soft);
  color: var(--rose-deep);
  font-size: 0.72rem;
  font-weight: 600;
}
.thing-arrow {
  position: absolute;
  right: 14px;
  bottom: 12px;
  color: var(--pink);
  font-size: 0.85rem;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.thing-card:hover .thing-arrow { opacity: 1; transform: translateX(3px); }

/* 详情页 */
.detail-card {
  background: var(--white);
  border-radius: 26px;
  padding: 34px 30px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 143, 171, 0.16);
}
.detail-top {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  flex-wrap: wrap;
}
.detail-top .emoji { font-size: 3rem; line-height: 1; }
.detail-title {
  font-family: var(--serif);
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  color: var(--rose-deep);
  flex: 1;
  min-width: 200px;
}
.detail-desc { color: var(--text-soft); margin-top: 16px; font-size: 1.02rem; }
.detail-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
}
.detail-status.done { background: #e4f7ec; color: #2f9e5f; }
.detail-status.todo { background: var(--pink-soft); color: var(--rose-deep); }

.records-title {
  margin: 34px 0 16px;
  font-family: var(--serif);
  font-size: 1.3rem;
  color: var(--plum);
  display: flex;
  align-items: center;
  gap: 10px;
}
.records-title::before { content: ""; width: 5px; height: 22px; border-radius: 3px; background: var(--grad); }

.record {
  border-left: 2px solid var(--pink-soft);
  padding: 4px 0 26px 24px;
  position: relative;
}
.record::before {
  content: "❤";
  position: absolute;
  left: -11px;
  top: 0;
  width: 20px;
  height: 20px;
  background: var(--pink-bg);
  color: var(--pink);
  font-size: 14px;
  text-align: center;
  line-height: 20px;
}
.record .r-date { font-size: 0.82rem; color: var(--rose); font-weight: 700; letter-spacing: 0.5px; }
.record .r-text { margin-top: 6px; color: var(--text); }
.record .r-imgs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin-top: 14px;
}
.record .r-imgs img {
  width: 100%;
  height: 130px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.25s ease;
}
.record .r-imgs img:hover { transform: scale(1.03); }
.empty-note {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-soft);
  background: var(--grad-soft);
  border-radius: var(--radius);
  border: 1px dashed var(--pink);
}

/* ---------------- 约会记录 ---------------- */
.dates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.date-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 143, 171, 0.16);
  transition: transform 0.28s ease, box-shadow 0.28s ease;
  display: flex;
  flex-direction: column;
}
.date-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.date-cover {
  position: relative;
  height: 210px;
  overflow: hidden;
  background: var(--pink-soft);
}
.date-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.date-card:hover .date-cover img { transform: scale(1.07); }
.date-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--rose-deep);
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.date-body { padding: 20px 20px 22px; flex: 1; display: flex; flex-direction: column; }
.date-body h3 { font-family: var(--serif); color: var(--plum); font-size: 1.22rem; }
.date-loc { color: var(--rose); font-size: 0.84rem; margin-top: 4px; display: flex; align-items: center; gap: 5px; }
.date-desc { color: var(--text-soft); font-size: 0.94rem; margin-top: 10px; flex: 1; }
.date-tags { margin-top: 14px; display: flex; gap: 6px; flex-wrap: wrap; }

/* ---------------- 时间线 ---------------- */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 10px 0;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 3px;
  transform: translateX(-50%);
  background: linear-gradient(180deg, var(--pink-soft), var(--pink), var(--pink-soft));
  border-radius: 3px;
}
.tl-item {
  position: relative;
  width: 50%;
  padding: 0 42px 42px 0;
}
.tl-item:nth-child(even) {
  margin-left: 50%;
  padding: 0 0 42px 42px;
}
.tl-dot {
  position: absolute;
  top: 4px;
  right: -11px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 4px solid var(--pink);
  box-shadow: 0 0 0 4px var(--pink-bg);
  z-index: 2;
}
.tl-item:nth-child(even) .tl-dot { right: auto; left: -11px; }
.tl-dot::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--grad);
}
.tl-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 143, 171, 0.16);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.tl-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.tl-date { font-size: 0.82rem; color: var(--rose); font-weight: 700; letter-spacing: 0.5px; }
.tl-title { font-family: var(--serif); color: var(--plum); font-size: 1.18rem; margin-top: 4px; display: flex; align-items: center; gap: 8px; }
.tl-desc { color: var(--text-soft); font-size: 0.94rem; margin-top: 8px; }
.tl-card img { width: 100%; height: 170px; object-fit: cover; border-radius: var(--radius-sm); margin-top: 14px; cursor: pointer; }

/* ---------------- 相册 ---------------- */
.album-grid {
  columns: 3 240px;
  column-gap: 16px;
}
.album-item {
  break-inside: avoid;
  margin-bottom: 16px;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  box-shadow: var(--shadow);
  background: var(--white);
}
.album-item img { width: 100%; display: block; transition: transform 0.5s ease; }
.album-item:hover img { transform: scale(1.05); }
.album-cap {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 26px 16px 14px;
  background: linear-gradient(transparent, rgba(122, 46, 78, 0.78));
  color: #fff;
  font-size: 0.9rem;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s ease;
}
.album-item:hover .album-cap { opacity: 1; transform: translateY(0); }
.album-cap .d { font-size: 0.75rem; opacity: 0.85; }

/* 灯箱 */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(40, 15, 28, 0.9);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 30px;
}
.lightbox.open { display: flex; animation: fadein 0.25s ease; }
@keyframes fadein { from { opacity: 0; } to { opacity: 1; } }
.lightbox img {
  max-width: 90vw;
  max-height: 82vh;
  border-radius: 14px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
}
.lightbox .lb-cap {
  position: absolute;
  bottom: 26px;
  left: 0; right: 0;
  text-align: center;
  color: #fff;
  font-size: 1rem;
  padding: 0 20px;
}
.lightbox .lb-close, .lightbox .lb-prev, .lightbox .lb-next {
  position: absolute;
  color: #fff;
  background: rgba(255,255,255,0.14);
  width: 48px; height: 48px;
  border-radius: 50%;
  font-size: 1.5rem;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s ease, transform 0.2s ease;
}
.lightbox .lb-close:hover, .lightbox .lb-prev:hover, .lightbox .lb-next:hover { background: rgba(255,255,255,0.28); }
.lightbox .lb-close { top: 22px; right: 22px; }
.lightbox .lb-prev { left: 22px; top: 50%; transform: translateY(-50%); }
.lightbox .lb-next { right: 22px; top: 50%; transform: translateY(-50%); }

/* ---------------- 页脚 ---------------- */
footer {
  text-align: center;
  padding: 40px 20px 50px;
  color: var(--text-soft);
  font-size: 0.86rem;
}
footer .heart { color: var(--pink); }

/* ---------------- 密码门禁 ---------------- */
html.locked { overflow: hidden; }
html.locked body > *:not(#auth-gate) { visibility: hidden; }

#auth-gate {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(135deg, #fff0f5 0%, #ffd6e0 55%, #ffb3c6 100%);
}
.lock-card {
  width: 100%;
  max-width: 380px;
  background: var(--white);
  border-radius: 26px;
  padding: 36px 28px 26px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 143, 171, 0.25);
}
.lock-heart { font-size: 2.6rem; line-height: 1; }
.lock-card h2 {
  font-family: var(--serif);
  color: var(--rose-deep);
  font-size: 1.3rem;
  margin-top: 12px;
}
.lock-sub { color: var(--text-soft); font-size: 0.9rem; margin-top: 6px; }
.lock-input {
  width: 100%;
  margin-top: 20px;
  padding: 13px 18px;
  border-radius: 999px;
  border: 1.5px solid var(--pink-soft);
  background: var(--pink-bg);
  font-size: 1rem;
  color: var(--text);
  outline: none;
  text-align: center;
  letter-spacing: 4px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.lock-input::placeholder { letter-spacing: normal; color: #c8a7b3; }
.lock-input:focus { border-color: var(--pink); box-shadow: 0 0 0 4px rgba(255, 143, 171, 0.2); }
.lock-error { min-height: 20px; color: var(--rose-deep); font-size: 0.82rem; margin-top: 8px; }
.lock-btn { width: 100%; justify-content: center; margin-top: 4px; }
.lock-btn:disabled { opacity: 0.65; cursor: default; transform: none; }
.lock-tip { color: var(--text-soft); font-size: 0.78rem; margin-top: 16px; }
.shake { animation: shake 0.5s ease; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-10px); }
  40% { transform: translateX(10px); }
  60% { transform: translateX(-6px); }
  80% { transform: translateX(6px); }
}

/* ---------------- 响应式 ---------------- */
@media (max-width: 720px) {
  .counter-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline::before { left: 18px; }
  .tl-item, .tl-item:nth-child(even) {
    width: 100%;
    margin-left: 0;
    padding: 0 0 34px 46px;
  }
  .tl-item .tl-dot, .tl-item:nth-child(even) .tl-dot { left: 7px; right: auto; }
  .album-grid { columns: 2 160px; }
  .nav-inner { justify-content: center; }
  .detail-card { padding: 24px 18px; }
}
@media (max-width: 420px) {
  .album-grid { columns: 1; }
}