/* 后台管理样式 */
:root {
  --ink: #1a2a3d;
  --ink-deep: #101c2c;
  --gold: #b08d4f;
  --gold-light: #d4b878;
  --bg: #f2f0ea;
  --card: #ffffff;
  --text: #2c3542;
  --muted: #7a8494;
  --line: #e3ded1;
  --ok: #2e7d43;
  --danger: #b03a2e;
  --radius: 10px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--text); font-size: 14px; }
a { text-decoration: none; color: inherit; }

/* ---------- 登录 ---------- */
.login-view { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: radial-gradient(1200px 700px at 70% 20%, #243952, var(--ink-deep)); padding: 20px; }
.login-card { width: 400px; background: var(--card); border-radius: 14px; padding: 44px 42px; box-shadow: 0 30px 80px rgba(0,0,0,.45); }
.login-brand { text-align: center; margin-bottom: 30px; }
.login-brand .mark { display: inline-flex; width: 62px; height: 62px; border-radius: 50%; border: 2px solid var(--gold); align-items: center; justify-content: center; font-size: 26px; font-family: "Noto Serif SC", serif; color: var(--gold-light); background: radial-gradient(circle at 35% 30%, #243952, var(--ink-deep)); margin-bottom: 14px; }
.login-brand h1 { font-family: "Noto Serif SC", serif; font-size: 22px; letter-spacing: 4px; color: var(--ink); }
.login-brand p { color: var(--muted); margin-top: 4px; letter-spacing: 2px; font-size: 13px; }
.login-tip { color: var(--danger); font-size: 13px; margin-top: 12px; min-height: 18px; text-align: center; }
.login-back { display: block; text-align: center; color: var(--muted); font-size: 13px; margin-top: 8px; }
.login-back:hover { color: var(--gold); }

/* ---------- 布局 ---------- */
.admin-view { display: flex; min-height: 100vh; }
.sidebar { width: 232px; background: var(--ink-deep); color: #c7cfdb; display: flex; flex-direction: column; position: fixed; top: 0; bottom: 0; }
.side-brand { display: flex; gap: 12px; align-items: center; padding: 22px 20px; border-bottom: 1px solid rgba(255,255,255,.07); }
.side-brand .mark { width: 40px; height: 40px; border-radius: 50%; border: 2px solid var(--gold); display: flex; align-items: center; justify-content: center; font-family: "Noto Serif SC", serif; color: var(--gold-light); flex-shrink: 0; }
.side-brand strong { display: block; font-family: "Noto Serif SC", serif; color: #fff; letter-spacing: 2px; }
.side-brand small { color: var(--gold-light); font-size: 11px; letter-spacing: 2px; }
.side-nav { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; }
.side-nav a { padding: 12px 16px; border-radius: 8px; cursor: pointer; font-size: 14px; letter-spacing: 1px; transition: background .2s; position: relative; }
.side-nav a:hover { background: rgba(176,141,79,.12); color: var(--gold-light); }
.side-nav a.on { background: var(--gold); color: #fff; }
.side-nav em { position: absolute; right: 14px; top: 50%; transform: translateY(-50%); background: #b03a2e; color: #fff; font-style: normal; border-radius: 999px; font-size: 11px; padding: 0 7px; line-height: 18px; }
.side-foot { padding: 16px 20px; border-top: 1px solid rgba(255,255,255,.07); display: flex; flex-direction: column; gap: 8px; font-size: 13px; }
.side-foot a:hover { color: var(--gold-light); }

.main { flex: 1; margin-left: 232px; padding: 30px 36px; }
.page-title { font-family: "Noto Serif SC", serif; font-size: 24px; letter-spacing: 3px; color: var(--ink); margin-bottom: 24px; padding-left: 14px; border-left: 4px solid var(--gold); }

/* ---------- 统计卡 ---------- */
.stat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; margin-bottom: 24px; }
.stat-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; text-align: center; }
.stat-card .num { font-family: "Noto Serif SC", serif; font-size: 34px; color: var(--gold); }
.stat-card .lab { color: var(--muted); margin-top: 4px; font-size: 13px; letter-spacing: 1px; }

/* ---------- 面板 / 表格 ---------- */
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; margin-bottom: 24px; }
.panel h3 { font-family: "Noto Serif SC", serif; font-size: 16px; letter-spacing: 2px; margin-bottom: 16px; color: var(--ink); }
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-weight: 600; color: var(--muted); font-size: 13px; padding: 10px 12px; border-bottom: 2px solid var(--line); white-space: nowrap; }
.table td { padding: 12px; border-bottom: 1px solid #efeade; vertical-align: middle; }
.table tr:hover td { background: #faf8f2; }
.table .cell-title { font-weight: 600; color: var(--ink); max-width: 360px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.table img.thumb { width: 52px; height: 52px; object-fit: cover; border-radius: 6px; }
.badge { display: inline-block; font-size: 12px; padding: 2px 10px; border-radius: 999px; }
.badge.on { background: #eaf5ec; color: var(--ok); }
.badge.off { background: #f1f2f4; color: var(--muted); }
.badge.unread { background: #fdf0e9; color: #c05a1e; }

/* ---------- 控件 ---------- */
.btn { display: inline-block; border: 1px solid var(--line); background: var(--card); color: var(--text); border-radius: 8px; padding: 9px 18px; cursor: pointer; font-size: 13.5px; transition: all .2s; }
.btn:hover { border-color: var(--gold); color: var(--gold); }
.btn.primary { background: linear-gradient(135deg, var(--gold), #96763b); color: #fff; border: none; box-shadow: 0 6px 16px rgba(150,118,59,.3); }
.btn.primary:hover { color: #fff; transform: translateY(-1px); }
.btn.block { width: 100%; }
.btn.sm { padding: 5px 12px; font-size: 12.5px; border-radius: 6px; }
.btn.danger { color: var(--danger); border-color: #efd2cd; }
.btn.danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }
.toolbar { display: flex; gap: 12px; margin-bottom: 18px; align-items: center; }
.toolbar select, .toolbar input { border: 1px solid var(--line); border-radius: 8px; padding: 9px 14px; font-size: 13.5px; background: var(--card); outline: none; }
.toolbar input { width: 260px; }
.toolbar .primary { margin-left: auto; }
.quick-row { display: flex; gap: 12px; flex-wrap: wrap; }
.save-tip { margin-left: 14px; color: var(--ok); font-size: 13px; }

/* ---------- 表单 ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 22px; }
.field { margin-bottom: 16px; }
.field.full { grid-column: 1 / -1; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input, .field select, .field textarea { width: 100%; border: 1px solid var(--line); border-radius: 8px; padding: 10px 13px; font-size: 14px; font-family: inherit; background: #fbfaf6; color: var(--text); outline: none; }
.field input:focus, .field textarea:focus, .field select:focus { border-color: var(--gold); }
.field textarea { resize: vertical; }

/* ---------- 弹窗 ---------- */
.modal-mask { position: fixed; inset: 0; background: rgba(16,28,44,.55); display: none; align-items: flex-start; justify-content: center; z-index: 200; overflow-y: auto; padding: 46px 20px; }
.modal-mask.show { display: flex; }
.modal { background: var(--card); border-radius: 14px; width: 780px; max-width: 100%; box-shadow: 0 30px 80px rgba(0,0,0,.4); }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 20px 26px; border-bottom: 1px solid var(--line); }
.modal-head h3 { font-family: "Noto Serif SC", serif; font-size: 18px; color: var(--ink); letter-spacing: 2px; }
.modal-close { font-size: 26px; cursor: pointer; color: var(--muted); line-height: 1; }
.modal-close:hover { color: var(--danger); }
.modal-body { padding: 24px 26px 6px; max-height: 62vh; overflow-y: auto; }
.modal-foot { padding: 18px 26px; border-top: 1px solid var(--line); display: flex; justify-content: flex-end; gap: 12px; }

/* ---------- 上传 ---------- */
.upload-row { display: flex; gap: 10px; align-items: center; }
.upload-row input { flex: 1; }
.upload-btn { white-space: nowrap; cursor: pointer; }
.upload-preview { width: 56px; height: 56px; border-radius: 8px; object-fit: cover; border: 1px solid var(--line); flex-shrink: 0; }

/* 2026 视觉升级 */
body { background-color:#f3f0e8;background-image:radial-gradient(rgba(29,42,56,.04) .6px,transparent .6px);background-size:5px 5px; }
.login-view { position:relative;overflow:hidden;background:linear-gradient(130deg,#081523,#172d46 58%,#263b51); }
.login-view::before,.login-view::after { content:"";position:absolute;border-radius:50%;border:1px solid rgba(212,184,120,.12); }
.login-view::before { width:680px;height:680px;left:-250px;top:-280px;box-shadow:0 0 0 50px rgba(212,184,120,.025),0 0 0 100px rgba(212,184,120,.018); }
.login-view::after { width:520px;height:520px;right:-180px;bottom:-260px; }
.login-card { position:relative;border-radius:0;border:1px solid #cdb47e;padding:48px 44px;box-shadow:0 35px 90px rgba(0,0,0,.5); }
.login-card::before { content:"";position:absolute;inset:6px;border:1px solid rgba(176,141,79,.2);pointer-events:none; }
.login-brand .mark { width:72px;height:72px;border:0;background:none; }
.login-brand .mark img,.side-brand .mark img { width:100%;height:100%;object-fit:contain; }
.sidebar { background:linear-gradient(180deg,#0b1727,#12253b);box-shadow:4px 0 20px rgba(14,27,43,.16); }
.side-brand { padding:22px 18px;border-bottom-color:rgba(212,184,120,.16); }
.side-brand .mark { width:46px;height:46px;border:0; }
.side-nav a { border-radius:2px;border-left:2px solid transparent;padding:13px 16px; }
.side-nav a:hover { border-left-color:var(--gold); }
.side-nav a.on { background:linear-gradient(90deg,rgba(176,141,79,.3),rgba(176,141,79,.12));color:var(--gold-light);border-left-color:var(--gold); }
.main { padding:34px 40px; }
.page-title { font-size:26px;border-left-width:2px; }
.stat-card { position:relative;border-radius:0;border-color:#ded5c5;background:#fffdf8;box-shadow:0 8px 24px rgba(29,42,56,.05);overflow:hidden; }
.stat-card::after { content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent); }
.stat-card .num { font-size:38px; }
.panel { border-radius:0;background:#fffdf8;box-shadow:0 8px 24px rgba(29,42,56,.04); }
.panel h3 { border-bottom:1px solid var(--line);padding-bottom:13px; }
.table th { background:#f6f1e6; }
.btn,.toolbar select,.toolbar input,.field input,.field select,.field textarea { border-radius:2px; }
.modal { border-radius:0;border:1px solid #cdb47e; }

@media (max-width: 900px) {
  .sidebar { width:64px; }
  .side-brand div,.side-nav a { font-size:0; }
  .main { margin-left:64px;padding:22px 16px; }
  .stat-grid { grid-template-columns:repeat(2,1fr); }
  .form-grid { grid-template-columns:1fr; }
}