/* ---------- 后台管理样式 ---------- */
.admin-body { background: #f3f1ec; }
.admin-header { background: #fff; border-bottom: 1px solid var(--line); padding: 14px 0; position: sticky; top: 0; z-index: 20; }

/* 登录 */
.login-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(160deg, #26221d, #4a4038); }
.login-card { background: #fff; padding: 46px 40px; width: 380px; text-align: center; box-shadow: 0 24px 70px rgba(0,0,0,.35); }
.login-card h1 { font-family: var(--serif); font-size: 26px; letter-spacing: 4px; margin-bottom: 6px; }
.login-card input { width: 100%; margin-top: 16px; }
.login-card .btn { width: 100%; margin-top: 20px; }
.login-card .err { color: #b4453a; font-size: 13px; min-height: 18px; margin-top: 12px; }
.back-home { display: block; margin-top: 18px; font-size: 12px; }

/* 布局 */
.admin-layout { display: grid; grid-template-columns: 190px 1fr; gap: 36px; padding-top: 34px; padding-bottom: 90px; }
.admin-tabs { display: flex; flex-direction: column; gap: 6px; }
.admin-tabs .tab { text-align: left; background: none; border: none; padding: 11px 14px; font-size: 14px; letter-spacing: 1px; color: var(--ink-soft); cursor: pointer; border-left: 2px solid transparent; font-family: var(--sans); }
.admin-tabs .tab:hover { color: var(--ink); }
.admin-tabs .tab.active { color: var(--ink); font-weight: 500; border-left-color: var(--accent); background: rgba(154,107,63,.06); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.admin-main h2 { font-family: var(--serif); font-size: 24px; letter-spacing: 2px; margin-bottom: 22px; }
.admin-main h3 { font-family: var(--serif); font-size: 17px; margin-bottom: 16px; letter-spacing: 1px; }

/* 卡片与表单 */
.card { background: #fff; border: 1px solid var(--line); padding: 26px 28px; margin-bottom: 24px; }
.card label { display: block; font-size: 13px; color: var(--ink-soft); margin: 14px 0 6px; letter-spacing: 1px; }
.card label:first-of-type { margin-top: 0; }
input[type=text], input[type=password], textarea {
  width: 100%; border: 1px solid var(--line); background: #fbfaf7; padding: 10px 12px; font-size: 14px;
  font-family: var(--sans); color: var(--ink); transition: border-color .2s;
}
input:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { resize: vertical; }
.row2 { display: grid; grid-template-columns: 1fr 200px; gap: 16px; }
.btn { border: 1px solid var(--ink); background: none; color: var(--ink); padding: 9px 22px; font-size: 13px; letter-spacing: 2px; cursor: pointer; transition: all .25s; font-family: var(--sans); }
.btn:hover { background: var(--ink); color: #fff; }
.btn.primary { background: var(--ink); color: #fff; }
.btn.primary:hover { background: var(--accent); border-color: var(--accent); }
.btn.ghost { border-color: var(--line); color: var(--ink-soft); }
.btn.ghost:hover { border-color: #b4453a; color: #b4453a; background: none; }
.btn.small { padding: 5px 14px; font-size: 12px; }
.btn.danger { border-color: #cbb; color: #b4453a; }
.btn.danger:hover { background: #b4453a; border-color: #b4453a; color: #fff; }
.ok-msg { margin-left: 14px; font-size: 13px; color: #3a7d44; }
.err-inline { color: #b4453a; font-size: 13px; margin-top: 8px; }

/* 主视觉预览 */
.hero-preview { width: 100%; height: 180px; background: #e9e5dc center/cover no-repeat; display: flex; align-items: center; justify-content: center; color: var(--ink-soft); font-size: 13px; letter-spacing: 2px; }
.portrait-preview { width: 150px; height: 200px; background: #e9e5dc center/cover no-repeat; display: flex; align-items: center; justify-content: center; color: var(--ink-soft); font-size: 12px; text-align: center; line-height: 2; }
.logo-preview { width: 260px; height: 90px; background: #26221d center/contain no-repeat; display: flex; align-items: center; justify-content: center; color: var(--ink-soft); font-size: 12px; }

/* 系列管理块 */
.series-block { background: #fff; border: 1px solid var(--line); margin-bottom: 26px; }
.series-block-head { display: flex; align-items: center; gap: 16px; padding: 18px 24px; cursor: pointer; border-bottom: 1px solid var(--line); }
.series-block-head img { width: 76px; height: 56px; object-fit: cover; background: #e9e5dc; }
.series-block-head .info { flex: 1; }
.series-block-head .info b { font-family: var(--serif); font-size: 17px; letter-spacing: 1px; }
.series-block-head .info span { display: block; font-size: 12px; color: var(--ink-soft); margin-top: 3px; }
.series-block-head .toggle { color: var(--ink-soft); font-size: 20px; }
.series-block-body { padding: 22px 24px; display: none; }
.series-block.open .series-block-body { display: block; }
.series-block.open .toggle { transform: rotate(180deg); }
.series-actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }

/* 照片管理 */
.photo-manage-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin-top: 16px; }
.photo-manage { border: 1px solid var(--line); background: #fbfaf7; }
.photo-manage img { width: 100%; height: 130px; object-fit: cover; background: #e9e5dc; }
.photo-manage .pm-body { padding: 10px; }
.photo-manage input, .photo-manage textarea { font-size: 12px; padding: 6px 8px; margin-bottom: 6px; }
.photo-manage textarea { rows: 2; }
.photo-manage .pm-actions { display: flex; gap: 6px; }
.photo-manage .pm-actions .btn { flex: 1; padding: 5px 0; font-size: 11px; letter-spacing: 1px; }

/* 拍摄信息 */
.exif-summary { font-size: 11px; color: var(--ink-soft); margin: 6px 0; line-height: 1.5; word-break: break-all; }
.exif-form { margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--line); }
.exif-form input { margin-bottom: 6px; font-size: 12px; }
.exif-form .btn { width: 100%; margin-top: 4px; }
.upload-zone { border: 1.5px dashed #c9c2b4; padding: 26px; text-align: center; color: var(--ink-soft); font-size: 13px; margin-top: 14px; cursor: pointer; transition: border-color .2s, background .2s; }
.upload-zone:hover, .upload-zone.dragover { border-color: var(--accent); background: rgba(154,107,63,.05); }
.upload-note { font-size: 12px; color: var(--ink-soft); margin-top: 8px; }
.count-badge { font-size: 12px; background: var(--bg); border: 1px solid var(--line); padding: 2px 10px; color: var(--ink-soft); }

/* ---------- 访问统计 ---------- */
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.panel-head h2 { margin-bottom: 0; }
.visit-overview { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 14px; margin-bottom: 24px; }
.visit-stat { background: #fff; border: 1px solid var(--line); padding: 16px 18px; }
.visit-stat .v-label { font-size: 12px; color: var(--ink-soft); letter-spacing: 1px; }
.visit-stat .v-num { font-family: var(--serif); font-size: 30px; font-weight: 600; line-height: 1.2; margin-top: 4px; }
.visit-stat .v-sub { font-size: 12px; color: var(--ink-soft); margin-top: 2px; }
.visit-stat.accent { background: #26221d; border-color: #26221d; }
.visit-stat.accent .v-label, .visit-stat.accent .v-sub { color: rgba(255,255,255,.6); }
.visit-stat.accent .v-num { color: #fff; }

.visit-chart { display: flex; align-items: flex-end; gap: 4px; height: 170px; margin-top: 6px; border-bottom: 1px solid var(--line); padding-bottom: 2px; }
.visit-bar { flex: 1; min-height: 3px; background: linear-gradient(to top, #d8c3a5, #c19a6b); position: relative; transition: opacity .2s; }
.visit-bar:hover { opacity: .75; }
.visit-bar .tip {
  position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff; font-size: 11px; line-height: 1.5; padding: 4px 8px;
  white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity .18s; z-index: 3;
}
.visit-bar:hover .tip { opacity: 1; }
.visit-chart-axis { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-soft); margin-top: 8px; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.bar-list { display: flex; flex-direction: column; gap: 10px; }
.bar-row { font-size: 13px; }
.bar-row .br-top { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 4px; }
.bar-row .br-name { color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-row .br-val { color: var(--ink-soft); font-size: 12px; flex-shrink: 0; }
.bar-row .br-track { height: 6px; background: #eeeae2; }
.bar-row .br-fill { height: 100%; background: linear-gradient(90deg, #c19a6b, #9a6b3f); transition: width .5s ease; }

.visit-recent { display: flex; flex-direction: column; }
.vr-row { display: grid; grid-template-columns: 150px 1fr 130px 70px; gap: 12px; padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: 13px; align-items: center; }
.vr-row:last-child { border-bottom: none; }
.vr-row .vr-time { color: var(--ink-soft); font-size: 12px; }
.vr-row .vr-path { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.vr-row .vr-ref, .vr-row .vr-dev { color: var(--ink-soft); font-size: 12px; }
.empty-hint { color: var(--ink-soft); font-size: 13px; padding: 14px 0; text-align: center; }

@media (max-width: 760px) {
  .admin-layout { grid-template-columns: 1fr; }
  .admin-tabs { flex-direction: row; }
  .row2 { grid-template-columns: 1fr; }
  .grid2 { grid-template-columns: 1fr; }
  .vr-row { grid-template-columns: 1fr 1fr; }
}