/* ==========================================================================
   光影志 · 后台样式
   设计令牌：三套配色方案（warm 奶油暖灰 / paper 纸感白 / mist 雾蓝暖调）
   ========================================================================== */

/* ---------- 方案 A：奶油暖灰（默认） ---------- */
:root,
[data-scheme="warm"] {
  --c-bg:        #f4f1ec;
  --c-surface:   #fffdfa;
  --c-surface-2: #faf7f2;
  --c-side:      #fffdfa;
  --c-border:    #e6e0d6;
  --c-border-2:  #efeae1;
  --c-text:      #2c2823;
  --c-text-2:    #6e6558;
  --c-text-3:    #9c9285;
  --c-accent:    #b8860b;
  --c-accent-2:  #d4a017;
  --c-accent-bg: #fdf6e3;
  --c-accent-tx: #8a6508;
  --c-ok:        #3f8f5f;
  --c-ok-bg:     #eef7f1;
  --c-err:       #c05a4a;
  --c-err-bg:    #fdf0ee;
  --c-warn:      #c08a2e;
  --c-warn-bg:   #fdf6e6;
  --c-shadow:    0 1px 2px rgba(60,48,28,.05), 0 8px 24px -12px rgba(60,48,28,.14);
  --c-shadow-sm: 0 1px 2px rgba(60,48,28,.06);
}

/* ---------- 方案 B：纸感白 ---------- */
[data-scheme="paper"] {
  --c-bg:        #ffffff;
  --c-surface:   #ffffff;
  --c-surface-2: #f7f7f6;
  --c-side:      #ffffff;
  --c-border:    #e4e4e2;
  --c-border-2:  #eeeeec;
  --c-text:      #1a1a1a;
  --c-text-2:    #5c5c5c;
  --c-text-3:    #909090;
  --c-accent:    #1a1a1a;
  --c-accent-2:  #3a3a3a;
  --c-accent-bg: #f2f2f1;
  --c-accent-tx: #1a1a1a;
  --c-ok:        #2f7a4f;
  --c-ok-bg:     #f0f7f2;
  --c-err:       #b8453a;
  --c-err-bg:    #fbf0ef;
  --c-warn:      #a5761f;
  --c-warn-bg:   #faf5e9;
  --c-shadow:    0 1px 2px rgba(0,0,0,.04), 0 8px 24px -14px rgba(0,0,0,.16);
  --c-shadow-sm: 0 1px 2px rgba(0,0,0,.05);
}

/* ---------- 方案 C：雾蓝暖调 ---------- */
[data-scheme="mist"] {
  --c-bg:        #eef2f5;
  --c-surface:   #ffffff;
  --c-surface-2: #f5f8fa;
  --c-side:      #ffffff;
  --c-border:    #dbe3e9;
  --c-border-2:  #e8eef2;
  --c-text:      #1e2a33;
  --c-text-2:    #5a6b78;
  --c-text-3:    #8a99a5;
  --c-accent:    #2a6f97;
  --c-accent-2:  #3b87b5;
  --c-accent-bg: #eaf3f9;
  --c-accent-tx: #1e5878;
  --c-ok:        #2f7f6c;
  --c-ok-bg:     #ecf6f3;
  --c-err:       #c05a4a;
  --c-err-bg:    #fdf0ee;
  --c-warn:      #c08a2e;
  --c-warn-bg:   #fdf6e6;
  --c-shadow:    0 1px 2px rgba(30,50,70,.05), 0 8px 24px -12px rgba(30,50,70,.18);
  --c-shadow-sm: 0 1px 2px rgba(30,50,70,.06);
}

/* ---------- 基础 ---------- */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font: 14px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1,h2,h3,h4 { margin: 0; font-weight: 600; }
input, select, textarea, button { font: inherit; color: inherit; }

/* ---------- 布局骨架 ---------- */
.adm-shell { display: flex; min-height: 100vh; }

.adm-side {
  width: 232px;
  flex: 0 0 232px;
  background: var(--c-side);
  border-right: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.adm-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 20px 20px 18px;
  border-bottom: 1px solid var(--c-border-2);
}
.adm-brand-mark {
  width: 32px; height: 32px; flex: 0 0 32px;
  display: grid; place-items: center;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  color: #fff; font-size: 15px;
  box-shadow: 0 3px 10px -3px color-mix(in srgb, var(--c-accent) 55%, transparent);
}
.adm-brand-txt { display: flex; flex-direction: column; line-height: 1.25; }
.adm-brand-txt b { font-size: 15px; letter-spacing: .02em; }
.adm-brand-txt i {
  font-style: normal; font-size: 10px; letter-spacing: .18em;
  color: var(--c-text-3); text-transform: uppercase;
}

.adm-nav { padding: 12px 10px; flex: 1; }
.adm-nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; margin-bottom: 2px;
  border-radius: 8px;
  color: var(--c-text-2);
  font-size: 13.5px;
  transition: background .14s, color .14s;
}
.adm-nav-item:hover { background: var(--c-surface-2); color: var(--c-text); }
.adm-nav-item.is-active {
  background: var(--c-accent-bg);
  color: var(--c-accent-tx);
  font-weight: 600;
}
.adm-nav-ico {
  width: 18px; text-align: center;
  font-size: 13px; opacity: .85;
}
.adm-nav-sep {
  padding: 16px 12px 6px;
  font-size: 11px; letter-spacing: .1em;
  color: var(--c-text-3);
}
.adm-side-foot { padding: 10px; border-top: 1px solid var(--c-border-2); }

/* ---------- 主区 ---------- */
.adm-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.adm-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  padding: 16px 28px;
  background: color-mix(in srgb, var(--c-surface) 82%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-border-2);
  position: sticky; top: 0; z-index: 20;
}
.adm-title { font-size: 17px; letter-spacing: .01em; }
.adm-user { display: flex; align-items: center; gap: 10px; }
.adm-user-name { font-size: 13px; color: var(--c-text-2); }
.adm-user-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--c-accent-bg); color: var(--c-accent-tx);
  font-size: 13px; font-weight: 600;
}
.adm-body { padding: 24px 28px 48px; flex: 1; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  box-shadow: var(--c-shadow-sm);
}
.card + .card { margin-top: 18px; }
.card-hd {
  display: flex; align-items: center; justify-content: space-between;
  gap: 14px; flex-wrap: wrap;
  padding: 16px 20px;
  border-bottom: 1px solid var(--c-border-2);
}
.card-hd h2 { font-size: 15px; }
.card-hd .sub { font-size: 12.5px; color: var(--c-text-3); margin-top: 3px; }
.card-bd { padding: 20px; }
.card-ft {
  padding: 14px 20px;
  border-top: 1px solid var(--c-border-2);
  display: flex; gap: 10px; align-items: center;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  background: var(--c-surface);
  color: var(--c-text);
  font-size: 13.5px; cursor: pointer;
  transition: .14s;
  white-space: nowrap;
}
.btn:hover { border-color: var(--c-accent); color: var(--c-accent-tx); }
.btn-primary {
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  border-color: transparent; color: #fff;
  box-shadow: 0 3px 12px -4px color-mix(in srgb, var(--c-accent) 60%, transparent);
}
.btn-primary:hover { color: #fff; filter: brightness(1.06); }
.btn-danger { color: var(--c-err); }
.btn-danger:hover { border-color: var(--c-err); background: var(--c-err-bg); color: var(--c-err); }
.btn-sm { padding: 5px 11px; font-size: 12.5px; border-radius: 7px; }
.btn-ghost { border-color: transparent; background: transparent; }
.btn-ghost:hover { background: var(--c-surface-2); }

/* ---------- 表单 ---------- */
.form-row { margin-bottom: 18px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 0 20px; }
.form-grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 0 20px; }
label.lb {
  display: block; margin-bottom: 6px;
  font-size: 13px; color: var(--c-text-2); font-weight: 500;
}
label.lb .req { color: var(--c-err); margin-left: 3px; }
.hint { font-size: 12px; color: var(--c-text-3); margin-top: 5px; line-height: 1.5; }

.inp, .sel, .ta {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  background: var(--c-surface);
  transition: border-color .14s, box-shadow .14s;
}
.inp:focus, .sel:focus, .ta:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-accent) 14%, transparent);
}
.ta { min-height: 110px; resize: vertical; line-height: 1.7; }
.ta-lg { min-height: 260px; }

/* 开关 */
.switch { display: inline-flex; align-items: center; gap: 9px; cursor: pointer; user-select: none; }
.switch input { display: none; }
.switch .track {
  width: 40px; height: 22px; border-radius: 99px;
  background: var(--c-border); position: relative; transition: .18s;
  flex: 0 0 40px;
}
.switch .track::after {
  content: ''; position: absolute; top: 2px; left: 2px;
  width: 18px; height: 18px; border-radius: 50%;
  background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.22);
  transition: .18s;
}
.switch input:checked + .track { background: var(--c-accent); }
.switch input:checked + .track::after { transform: translateX(18px); }
.switch .lb-txt { font-size: 13.5px; }

/* 单选卡片组 */
.radio-cards { display: grid; gap: 12px; }
.radio-cards.c2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.radio-cards.c3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.radio-card { position: relative; cursor: pointer; }
.radio-card input { position: absolute; opacity: 0; pointer-events: none; }
.radio-card .rc-in {
  border: 1.5px solid var(--c-border);
  border-radius: 10px; padding: 14px;
  background: var(--c-surface);
  transition: .15s; height: 100%;
}
.radio-card:hover .rc-in { border-color: color-mix(in srgb, var(--c-accent) 45%, var(--c-border)); }
.radio-card input:checked + .rc-in {
  border-color: var(--c-accent);
  background: var(--c-accent-bg);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-accent) 12%, transparent);
}
.radio-card .rc-t { font-weight: 600; font-size: 13.5px; margin-bottom: 3px; }
.radio-card .rc-d { font-size: 12px; color: var(--c-text-3); line-height: 1.55; }
.radio-card input:checked + .rc-in .rc-t { color: var(--c-accent-tx); }

/* ---------- 表格 ---------- */
.tbl-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.tbl th {
  text-align: left; font-weight: 600; font-size: 12.5px;
  color: var(--c-text-3); letter-spacing: .02em;
  padding: 11px 14px;
  border-bottom: 1px solid var(--c-border);
  white-space: nowrap;
  background: var(--c-surface-2);
}
table.tbl td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--c-border-2);
  vertical-align: middle;
}
table.tbl tbody tr:last-child td { border-bottom: none; }
table.tbl tbody tr:hover { background: var(--c-surface-2); }
table.tbl .num { color: var(--c-text-3); font-variant-numeric: tabular-nums; }
.tbl-thumb {
  width: 56px; height: 42px; border-radius: 6px;
  object-fit: cover; background: var(--c-surface-2);
  border: 1px solid var(--c-border-2);
}
.tbl-actions { display: flex; gap: 6px; justify-content: flex-end; white-space: nowrap; }
.tbl-title { font-weight: 500; }
.tbl-drag {
  cursor: grab; color: var(--c-text-3); user-select: none;
  font-size: 15px; padding: 0 4px;
}

/* ---------- 徽章 ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2.5px 9px; border-radius: 99px;
  font-size: 12px; font-weight: 500; white-space: nowrap;
}
.badge-ok   { background: var(--c-ok-bg);   color: var(--c-ok); }
.badge-err  { background: var(--c-err-bg);  color: var(--c-err); }
.badge-warn { background: var(--c-warn-bg); color: var(--c-warn); }
.badge-mute { background: var(--c-surface-2); color: var(--c-text-3); }
.badge-acc  { background: var(--c-accent-bg); color: var(--c-accent-tx); }

/* ---------- 统计卡 ---------- */
.stat-grid {
  display: grid; grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 16px; margin-bottom: 20px;
}
.stat {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  padding: 18px 20px;
  position: relative; overflow: hidden;
  box-shadow: var(--c-shadow-sm);
}
.stat::after {
  content: ''; position: absolute; right: -30px; top: -30px;
  width: 90px; height: 90px; border-radius: 50%;
  background: var(--c-accent-bg); opacity: .7;
}
.stat-k { font-size: 12.5px; color: var(--c-text-3); position: relative; }
.stat-v {
  font-size: 30px; font-weight: 650; letter-spacing: -.01em;
  margin-top: 6px; position: relative;
  font-variant-numeric: tabular-nums;
}
.stat-v small { font-size: 13px; font-weight: 400; color: var(--c-text-3); margin-left: 4px; }

/* ---------- 上传区 ---------- */
.drop {
  border: 1.5px dashed var(--c-border);
  border-radius: 12px;
  padding: 26px;
  text-align: center;
  color: var(--c-text-3);
  background: var(--c-surface-2);
  cursor: pointer;
  transition: .15s;
}
.drop:hover, .drop.is-over {
  border-color: var(--c-accent);
  background: var(--c-accent-bg);
  color: var(--c-accent-tx);
}
.drop-ico { font-size: 26px; margin-bottom: 6px; opacity: .7; }
.drop b { color: var(--c-text); font-weight: 600; }

.thumbs {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(120px,1fr));
  gap: 10px; margin-top: 12px;
}
.thumb-item {
  position: relative; border-radius: 8px; overflow: hidden;
  border: 1px solid var(--c-border); background: var(--c-surface-2);
  aspect-ratio: 4/3;
}
.thumb-item img { width: 100%; height: 100%; object-fit: cover; }
.thumb-del {
  position: absolute; top: 5px; right: 5px;
  width: 22px; height: 22px; border-radius: 50%;
  border: none; cursor: pointer;
  background: rgba(20,16,10,.6); color: #fff;
  font-size: 13px; line-height: 1; display: grid; place-items: center;
}
.thumb-del:hover { background: var(--c-err); }
.thumb-cover-tag {
  position: absolute; left: 5px; bottom: 5px;
  background: var(--c-accent); color: #fff;
  font-size: 11px; padding: 1px 7px; border-radius: 5px;
}

/* ---------- 分页 ---------- */
.pager { display: flex; gap: 6px; align-items: center; justify-content: center; padding: 18px 0 4px; flex-wrap: wrap; }
.pager a, .pager span {
  min-width: 34px; height: 34px; padding: 0 10px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--c-border); border-radius: 8px;
  font-size: 13px; background: var(--c-surface);
}
.pager a:hover { border-color: var(--c-accent); color: var(--c-accent-tx); }
.pager .cur { background: var(--c-accent); border-color: var(--c-accent); color: #fff; font-weight: 600; }
.pager .dis { color: var(--c-text-3); opacity: .55; }
.pager .dots { border: none; background: none; }

/* ---------- 空状态 ---------- */
.empty { text-align: center; padding: 52px 20px; color: var(--c-text-3); }
.empty-ico { font-size: 34px; opacity: .5; margin-bottom: 10px; }

/* ---------- 提示气泡 ---------- */
.adm-toast {
  position: fixed; left: 50%; bottom: 30px; transform: translate(-50%, 16px);
  padding: 11px 20px; border-radius: 10px;
  background: var(--c-text); color: var(--c-surface);
  font-size: 13.5px; box-shadow: var(--c-shadow);
  opacity: 0; pointer-events: none; transition: .22s; z-index: 999;
}
.adm-toast.show { opacity: 1; transform: translate(-50%, 0); }
.adm-toast.err { background: var(--c-err); color: #fff; }

/* ---------- 标签页 ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--c-border); margin-bottom: 20px; }
.tabs a {
  padding: 9px 15px; font-size: 13.5px; color: var(--c-text-2);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tabs a:hover { color: var(--c-text); }
.tabs a.is-active { color: var(--c-accent-tx); border-bottom-color: var(--c-accent); font-weight: 600; }

/* ---------- 工具栏 ---------- */
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.toolbar .grow { flex: 1; }
.toolbar .inp, .toolbar .sel { width: auto; min-width: 140px; }
.search-box { position: relative; }
.search-box .inp { padding-left: 32px; min-width: 200px; }
.search-box::before {
  content: '⌕'; position: absolute; left: 11px; top: 50%;
  transform: translateY(-50%); color: var(--c-text-3); font-size: 15px;
}

/* ---------- 色块预览 ---------- */
.scheme-preview { display: flex; gap: 6px; margin-top: 10px; }
.scheme-dot { width: 20px; height: 20px; border-radius: 50%; border: 1px solid rgba(0,0,0,.08); }

/* ---------- 预览框（外观设置 phone 预览） ---------- */
.appear-layout { display: grid; grid-template-columns: minmax(0,1fr) 340px; gap: 22px; align-items: start; }
.phone {
  width: 300px; margin: 0 auto;
  border: 9px solid #2c2823; border-radius: 34px;
  background: #2c2823; box-shadow: var(--c-shadow);
  overflow: hidden;
}
.phone-scr { background: var(--c-bg); overflow: hidden; border-radius: 26px; aspect-ratio: 9/17.5; }
.phone-nav {
  height: 34px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 12px; font-size: 9px; color: #fff;
  background: linear-gradient(180deg, rgba(0,0,0,.34), transparent);
}
.phone-hero {
  height: 96px; margin: -34px 0 0;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  opacity: .82;
}
.phone-sec { padding: 10px 12px; }
.phone-sec-t {
  height: 9px; width: 54px; border-radius: 3px;
  background: var(--c-text); opacity: .72; margin-bottom: 8px;
}
.phone-grid { display: grid; grid-template-columns: repeat(var(--pv-cols, 3), 1fr); gap: 5px; }
.phone-cell {
  aspect-ratio: 1/1; border-radius: 4px;
  background: linear-gradient(135deg, var(--c-border), var(--c-surface-2));
}
.phone-cell:nth-child(3n+1) { background: linear-gradient(135deg, var(--c-accent-bg), var(--c-border)); }

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .stat-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .appear-layout { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .adm-side { position: fixed; left: 0; top: 0; z-index: 60; transform: translateX(-100%); transition: .2s; }
  body.nav-open .adm-side { transform: none; }
  .adm-body { padding: 16px 14px 40px; }
  .adm-top { padding: 12px 14px; }
  .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .radio-cards.c2, .radio-cards.c3 { grid-template-columns: 1fr; }
  .adm-menu-btn { display: inline-flex !important; }
}
.adm-menu-btn {
  display: none; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 8px;
  border: 1px solid var(--c-border); background: var(--c-surface);
  cursor: pointer; margin-right: 10px;
}

/* ---------- 弹层（分类 / 管理员共用） ---------- */
.modal-mask{
  position:fixed;inset:0;background:rgba(40,32,22,.34);z-index:300;
  display:none;align-items:center;justify-content:center;padding:20px;
  backdrop-filter:blur(2px);
}
.modal-mask.show{display:flex}
.modal{
  width:100%;max-width:520px;background:var(--c-surface);
  border-radius:14px;box-shadow:0 24px 60px -20px rgba(40,32,22,.4);
  border:1px solid var(--c-border);max-height:90vh;display:flex;flex-direction:column;
}
.modal-hd{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--c-border-2)}
.modal-hd h3{font-size:15px}
.modal-x{border:none;background:none;font-size:22px;line-height:1;color:var(--c-text-3);cursor:pointer;padding:0 4px}
.modal-x:hover{color:var(--c-err)}
.modal-bd{padding:20px;overflow-y:auto}
.modal-ft{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px;border-top:1px solid var(--c-border-2)}