/* 美好回忆 — 杂志排版：纸感底色、衬线标题、大留白、手机优先 */
:root {
  --bg: #faf8f4;
  --ink: #1a1815;
  --ink-soft: #6b655c;
  --line: #e4ded4;
  --accent: #b3543a;
  --serif: "Songti SC", "Noto Serif SC", "STSong", serif;
  --sans: -apple-system, "PingFang SC", "Helvetica Neue", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.loading { padding: 40vh 0; text-align: center; color: var(--ink-soft); }

/* ---------- 首页 ---------- */
.masthead {
  padding: 9vh 6vw 6vh;
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  border-bottom: 1px solid var(--line);
}
.masthead h1 {
  font-family: var(--serif); font-size: clamp(28px, 4.5vw, 44px);
  font-weight: 600; letter-spacing: 0.12em;
}
.masthead .count { color: var(--ink-soft); font-size: 13px; letter-spacing: 0.2em; }

.wall { padding: 6vh 0 12vh; }
.card { display: block; margin: 0 auto 10vh; max-width: 1080px; padding: 0 5vw; }
.card .frame {
  position: relative; overflow: hidden; border-radius: 4px;
  aspect-ratio: 16 / 10; background: #ddd;
}
.card .frame img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s ease; }
.card:hover .frame img { transform: scale(1.03); }
.card .meta { padding: 22px 4px 0; display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; }
.card h2 { font-family: var(--serif); font-size: clamp(20px, 3vw, 28px); font-weight: 600; }
.card .date { color: var(--accent); font-size: 13px; letter-spacing: 0.15em; }
.card .loc { color: var(--ink-soft); font-size: 13px; }
.card .sub { width: 100%; color: var(--ink-soft); font-size: 15px; margin-top: 4px; }
.card .badge { font-size: 12px; color: var(--ink-soft); border: 1px solid var(--line); border-radius: 99px; padding: 2px 10px; }

/* ---------- 专辑页 ---------- */
.hero { position: relative; height: 88vh; min-height: 480px; overflow: hidden; }
.hero img { width: 100%; height: 100%; object-fit: cover; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.05) 40%, rgba(0,0,0,0.55));
}
.hero .title {
  position: absolute; left: 6vw; right: 6vw; bottom: 8vh; z-index: 2; color: #fff;
}
.hero .title .kicker { font-size: 13px; letter-spacing: 0.35em; opacity: 0.85; }
.hero .title h1 {
  font-family: var(--serif); font-weight: 600;
  font-size: clamp(30px, 6vw, 56px); letter-spacing: 0.06em; margin: 10px 0;
}
.hero .title .sub { font-size: clamp(14px, 2vw, 18px); opacity: 0.9; }
.hero .hint {
  position: absolute; right: 6vw; bottom: 8vh; z-index: 2;
  color: rgba(255,255,255,0.8); font-size: 12px; letter-spacing: 0.3em;
  writing-mode: vertical-rl;
}

.album-meta {
  max-width: 1080px; margin: 0 auto; padding: 7vh 6vw 0;
  display: flex; gap: 24px; flex-wrap: wrap;
  color: var(--ink-soft); font-size: 13px; letter-spacing: 0.1em;
}
.intro {
  max-width: 640px; margin: 5vh auto 0; padding: 0 6vw;
  font-family: var(--serif); font-size: 17px; line-height: 2; color: #3a352e;
}
.gallery { max-width: 1080px; margin: 6vh auto 10vh; padding: 0 2vw; }
.row { display: flex; }
.cell { position: relative; overflow: hidden; border-radius: 3px; background: #e9e4da; cursor: zoom-in; }
.cell img, .cell video { width: 100%; height: 100%; object-fit: cover; }
.cell.video { cursor: pointer; }
.cell .play {
  position: absolute; inset: 0; display: grid; place-items: center;
  color: #fff; font-size: 40px; text-shadow: 0 2px 12px rgba(0,0,0,0.5);
  pointer-events: none; transition: opacity 0.3s;
}
.cell.playing .play { opacity: 0; }
.cell .dur {
  position: absolute; right: 8px; bottom: 8px; color: #fff; font-size: 11px;
  background: rgba(0,0,0,0.45); border-radius: 4px; padding: 1px 6px; pointer-events: none;
}

.album-foot {
  max-width: 1080px; margin: 0 auto; padding: 6vh 6vw 10vh;
  border-top: 1px solid var(--line);
  color: var(--ink-soft); font-size: 13px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.back {
  position: fixed; top: 18px; left: 18px; z-index: 10;
  background: rgba(250,248,244,0.85); backdrop-filter: blur(8px);
  border: 1px solid var(--line); border-radius: 99px; padding: 7px 16px;
  font-size: 13px; color: var(--ink); cursor: pointer;
}

/* ---------- 密码门 ---------- */
.gate {
  min-height: 100vh; display: grid; place-items: center; padding: 6vw;
}
.gate-card { width: 100%; max-width: 360px; text-align: center; }
.gate-card h1 {
  font-family: var(--serif); font-size: 32px; font-weight: 600;
  letter-spacing: 0.15em; margin-bottom: 12px;
}
.gate-card p { color: var(--ink-soft); font-size: 14px; margin-bottom: 28px; }
.gate-card form { display: flex; gap: 8px; }
.gate-card input {
  flex: 1; border: 1px solid var(--line); border-radius: 8px;
  padding: 12px 14px; font-size: 16px; background: #fff; color: var(--ink);
  outline: none;
}
.gate-card input:focus { border-color: var(--accent); }
.gate-card button {
  border: 0; border-radius: 8px; padding: 12px 22px;
  background: var(--ink); color: var(--bg); font-size: 15px; cursor: pointer;
}
.gate-err { color: var(--accent); margin-top: 14px; }

/* 入场动效 */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.on { opacity: 1; transform: none; }

/* ---------- 灯箱 ---------- */
#lightbox {
  position: fixed; inset: 0; z-index: 100; background: rgba(12,11,10,0.96);
  display: flex; align-items: center; justify-content: center;
}
#lightbox[hidden] { display: none; }
#lightbox img, #lightbox video { max-width: 94vw; max-height: 90vh; object-fit: contain; }
#lightbox .count {
  position: absolute; top: 20px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,0.7); font-size: 13px; letter-spacing: 0.2em;
}
#lightbox .btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 52px; height: 52px; border: 0; border-radius: 50%;
  background: rgba(255,255,255,0.12); color: #fff; font-size: 22px; cursor: pointer;
}
#lightbox .btn:hover { background: rgba(255,255,255,0.25); }
#lightbox .prev { left: 14px; }
#lightbox .next { right: 14px; }
#lightbox .close { position: absolute; top: 14px; right: 14px; transform: none; }
#lightbox .btn.cover {
  top: auto; bottom: 26px; left: 50%; transform: translateX(-50%);
  width: auto; height: 40px; padding: 0 18px; border-radius: 99px;
  font-size: 14px; letter-spacing: 0.1em; white-space: nowrap;
}

@media (max-width: 640px) {
  .gallery { padding: 0 2vw; }
  #lightbox .btn { width: 42px; height: 42px; font-size: 18px; }
  .hero .hint { display: none; }
}

/* ---------- 上传页（admin） ---------- */
.upload-link {
  border: 1px solid var(--line); border-radius: 99px; padding: 6px 16px;
  font-size: 13px; color: var(--ink); letter-spacing: 0.1em;
}
.logout-link {
  border: 0; background: none; padding: 6px 2px;
  font-size: 12px; color: var(--ink-soft); letter-spacing: 0.15em;
  cursor: pointer; font-family: var(--sans);
}
.logout-link:active { color: var(--accent); }
.back.append { left: auto; right: 18px; }
.back.disabled { opacity: 0.4; pointer-events: none; }

.up-head { padding: 12vh 6vw 2vh; max-width: 720px; margin: 0 auto; }
.up-head h1 { font-family: var(--serif); font-size: clamp(24px, 4vw, 34px); font-weight: 600; letter-spacing: 0.08em; }
.up-main { max-width: 720px; margin: 0 auto; padding: 0 6vw 12vh; }
.up-sec { padding: 3.5vh 0; border-top: 1px solid var(--line); }
.up-sec h2 { font-size: 13px; letter-spacing: 0.25em; color: var(--ink-soft); font-weight: 400; margin-bottom: 16px; }

.up-sec select, .up-newmeta input {
  width: 100%; border: 1px solid var(--line); border-radius: 8px;
  padding: 12px 14px; font-size: 16px; background: #fff; color: var(--ink);
  outline: none; font-family: var(--sans);
}
.up-sec select:focus, .up-newmeta input:focus { border-color: var(--accent); }
.up-newmeta { display: grid; gap: 10px; margin-top: 12px; }
.up-newmeta.hidden { display: none; }
.up-dates { display: flex; gap: 10px; }
.up-dates label { flex: 1; font-size: 13px; color: var(--ink-soft); }
.up-dates input { width: 100%; margin-top: 6px; }

.up-pick {
  width: 100%; border: 1px dashed var(--ink-soft); border-radius: 10px;
  padding: 26px 0; font-size: 15px; color: var(--ink);
  background: transparent; cursor: pointer;
}
.up-pick:active { background: #f0ece3; }
.up-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-top: 14px; }
.up-cell { position: relative; aspect-ratio: 1; border-radius: 6px; overflow: hidden; background: #e9e4da; }
.up-cell img { width: 100%; height: 100%; object-fit: cover; }
.up-cell .up-vid { width: 100%; height: 100%; display: grid; place-items: center; color: var(--ink-soft); font-size: 28px; }
.up-cell .up-size {
  position: absolute; left: 6px; bottom: 6px; font-size: 10px; color: #fff;
  background: rgba(0,0,0,0.45); border-radius: 4px; padding: 1px 5px;
}
.up-cell .up-del {
  position: absolute; top: 6px; right: 6px; width: 24px; height: 24px;
  border: 0; border-radius: 50%; background: rgba(0,0,0,0.5); color: #fff;
  font-size: 12px; cursor: pointer;
}
.up-cell.doing { outline: 2px solid var(--accent); outline-offset: -2px; }
.up-cell .up-cover {
  position: absolute; top: 6px; left: 6px; width: 26px; height: 26px;
  border: 0; border-radius: 50%; background: rgba(0,0,0,0.5); color: #fff;
  font-size: 14px; line-height: 1; cursor: pointer;
}
.up-badge { position: absolute; top: 6px; right: 6px; font-size: 11px; border-radius: 4px; padding: 1px 6px; }
.up-badge.ok { background: rgba(46,125,78,0.9); color: #fff; }
.up-badge.err { background: rgba(179,84,58,0.95); color: #fff; }
.up-badge.cover { top: auto; bottom: 6px; right: 6px; background: var(--accent); color: #fff; }
.up-cover-tip { font-size: 12px; color: var(--ink-soft); margin-top: 8px; letter-spacing: 0.03em; }

.up-go {
  width: 100%; border: 0; border-radius: 10px; padding: 15px 0;
  background: var(--ink); color: var(--bg); font-size: 16px; letter-spacing: 0.2em;
  cursor: pointer;
}
.up-go:disabled { opacity: 0.35; cursor: default; }
.up-progress { display: flex; align-items: center; gap: 12px; margin-top: 14px; }
.up-progress.hidden { display: none; }
.up-progress .bar { flex: 1; height: 4px; border-radius: 2px; background: var(--line); overflow: hidden; }
.up-progress .fill { height: 100%; width: 0; background: var(--accent); transition: width 0.25s ease; }
.up-progress span { font-size: 12px; color: var(--ink-soft); min-width: 38px; text-align: right; }
.up-msg { margin-top: 12px; font-size: 13px; color: var(--accent); min-height: 1.4em; }
.up-tip { margin-top: 6px; font-size: 12px; color: var(--ink-soft); }
.up-dest { font-size: 13px; color: var(--ink-soft); margin-bottom: 12px; letter-spacing: 0.05em; }
.up-dest b { color: var(--accent); font-weight: 600; }