/* Crystafy Admin UI */
:root{
  --ink:#1f2330; --muted:#7a7486; --line:#e9e4dc; --bg:#f4f1ec; --paper:#fff;
  --brand:#2f2c30; --accent:#84657c; --accent-soft:#f1ecef;
  --ok:#1e7a4d; --err:#b3261e; --warn:#9a6700;
  --radius:12px; --shadow:0 8px 24px rgba(35,30,40,.07);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:Inter,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,-apple-system,sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
button,input,select,textarea{font-family:inherit}
a{color:var(--ink);text-decoration:none}
img{max-width:100%}

/* ---------- 布局 ---------- */
.admin{display:flex;min-height:100vh}

/* 侧栏 */
.side{width:224px;background:linear-gradient(180deg,#2c2930,#211e24);color:#dcd7ef;display:flex;flex-direction:column;flex-shrink:0;position:sticky;top:0;height:100vh;overflow-y:auto}
.side .brand{display:flex;align-items:center;gap:10px;padding:20px 18px 16px;font-weight:800;font-size:16px;letter-spacing:.02em;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.side .brand i{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#a67fb4,#5c4a68);display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-size:14px}
.side .menu{padding:12px 10px;flex:1}
.side .menu a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:9px;color:#cfc8dd;margin-bottom:3px;font-size:13.5px;transition:.15s}
.side .menu a:hover{background:rgba(255,255,255,.07);color:#fff}
.side .menu a.on{background:linear-gradient(135deg,#84657c,#a67fb4);color:#fff;box-shadow:0 6px 14px rgba(0,0,0,.25)}
.side .menu a em{font-style:normal;margin-left:auto;font-size:11px;opacity:.7}

/* 分组/可折叠菜单 */
.nav-group{margin-bottom:2px}
.nav-group-head{display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:9px;color:#d6d0e0;font-size:12.5px;font-weight:700;letter-spacing:.04em;cursor:pointer;user-select:none;text-transform:uppercase;margin:6px 0 2px}
.nav-group-head:hover{background:rgba(255,255,255,.06);color:#fff}
.nav-group-head .g-chev{margin-left:auto;font-size:11px;opacity:.65;transition:transform .18s}
.nav-group.open .nav-group-head .g-chev{transform:rotate(180deg)}
.nav-group-body{display:none;padding:0 0 4px}
.nav-group.open .nav-group-body{display:block}
.nav-group-body a{display:flex;align-items:center;gap:8px;padding:8px 10px 8px 16px;border-radius:8px;color:#cfc8dd;margin-bottom:2px;font-size:13px}
.nav-group-body a:hover{background:rgba(255,255,255,.07);color:#fff}
.nav-group-body a.on{background:linear-gradient(135deg,#84657c,#a67fb4);color:#fff}
.side .foot{padding:14px 10px;border-top:1px solid rgba(255,255,255,.08)}
.side .foot a{display:block;padding:8px 12px;color:#a89fb8;font-size:13px}
.side .foot a:hover{color:#fff}

/* 主区 */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{background:var(--paper);border-bottom:1px solid var(--line);padding:0 26px;height:60px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:20}
.topbar h1{font-size:16px;font-weight:700}
.topbar .who{display:flex;align-items:center;gap:10px;color:#4a4550;font-size:13.5px;font-weight:600;font-family:Inter,-apple-system,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;letter-spacing:.01em}
.topbar .who .av{width:30px;height:30px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:inline-flex;align-items:center;justify-content:center;font-weight:700}
.content{padding:24px 26px 40px;flex:1}

/* 卡片 */
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:16px;box-shadow:var(--shadow)}
.card h3{margin:0 0 12px;font-size:15px}
.card .muted{color:var(--muted)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
.full{grid-column:1/-1}
@media(max-width:820px){.grid{grid-template-columns:1fr}}

/* 统计卡 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.stat{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.stat .l{color:var(--muted);font-size:12.5px}
.stat b{font-size:30px;display:block;margin-top:2px}
.stat b i{font-style:normal;font-size:14px;color:var(--muted);font-weight:400}
.stat:nth-child(1) b{color:#5f6db0}.stat:nth-child(2) b{color:#a05b8c}.stat:nth-child(3) b{color:#2f8f5b}.stat:nth-child(4) b{color:#b0802f}
@media(max-width:820px){.stats{grid-template-columns:1fr 1fr}}

/* 按钮(统一) */
.btn,button{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--brand);color:#fff;border:1px solid var(--brand);border-radius:10px;padding:10px 18px;cursor:pointer;font-size:14px;font-weight:600;transition:.15s;line-height:1.2;white-space:nowrap}
.btn:hover,button:hover{background:#000;border-color:#000}
.btn.line,button.line{background:var(--paper);border-color:#d8d1c8;color:var(--ink)}
.btn.line:hover{border-color:var(--ink)}
.btn.sm{padding:6px 12px;font-size:13px;border-radius:8px}
.btn.on{background:var(--accent);border-color:var(--accent)}

/* 表单(统一字体与输入框) */
label{display:block;font-weight:600;margin:12px 0 6px;font-size:13.5px;color:#3c3845;letter-spacing:.01em}
input:not([type]),input[type=text],input[type=password],input[type=email],input[type=number],input[type=url],input[type=tel],input[type=search],select,textarea{
  width:100%;box-sizing:border-box;padding:10px 12px;border:1px solid #d9d2c8;border-radius:10px;background:#fff;
  font-size:14px;line-height:1.4;color:var(--ink);outline:none;transition:border-color .15s, box-shadow .15s, background .15s;
}
textarea{min-height:96px;resize:vertical;line-height:1.6}
select{cursor:pointer}
input[type=color]{height:40px;padding:3px;cursor:pointer}
input[type=checkbox],input[type=radio]{width:auto;height:auto;accent-color:var(--accent);cursor:pointer;vertical-align:middle;margin-right:4px}
input:not([type]):hover,input[type=text]:hover,input[type=password]:hover,input[type=email]:hover,input[type=number]:hover,input[type=search]:hover,select:hover,textarea:hover{border-color:#c2b9ac}
input:not([type]):focus,input[type=text]:focus,input[type=password]:focus,input[type=email]:focus,input[type=number]:focus,input[type=search]:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(132,101,124,.16);background:#fff}
input::placeholder,textarea::placeholder{color:#b6afa2}
.card .grid{row-gap:4px}

/* 表格 */
.tablewrap{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;font-size:13.5px}
th,td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{background:#f7f4ef;font-weight:600;font-size:12.5px;color:#5d5766;white-space:nowrap}
tbody tr:hover{background:#fbf9f6}
td a{color:#5c4a68;font-weight:600}
img.thumb{width:38px;height:38px;border-radius:50%;object-fit:cover;vertical-align:middle;border:1px solid var(--line)}

/* 徽章 */
.badge{padding:3px 11px;border-radius:99px;font-size:12px;font-weight:600;white-space:nowrap}
.badge.on{background:#e2f3e8;color:var(--ok)}
.badge.off{background:#fbeceb;color:var(--err)}
.muted{color:var(--muted)}
.small{font-size:12px}

/* 顶栏工具条(列表页) */
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.toolbar form{display:flex;gap:8px;align-items:center}

/* 登录页 */
.login-outer{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(1200px 600px at 20% -10%,#efe6f0,#f4f1ec 60%)}
.login-card{width:380px;max-width:94vw;background:#fff;border-radius:16px;box-shadow:0 20px 60px rgba(35,30,40,.12);padding:32px 30px}
.login-card .lbrand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;margin-bottom:6px}
.login-card .lbrand i{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#a67fb4,#5c4a68);display:inline-flex;align-items:center;justify-content:center;color:#fff;font-style:normal}
.login-card p.sub{color:var(--muted);margin-bottom:16px}
.err{background:#fdeeee;color:var(--err);padding:9px 12px;border-radius:9px;margin-bottom:12px;font-size:13px}

/* 分页/其它 */
/* 移动端：侧栏改为抽屉，顶栏加 ☰ 菜单键 */
.topmenu{display:none;background:none;border:0;font-size:22px;line-height:1;cursor:pointer;color:var(--ink);padding:6px 8px}
@media(max-width:860px){
  .topmenu{display:inline-flex;align-items:center}
  .side{position:fixed;left:0;top:0;bottom:0;height:100vh;transform:translateX(-100%);transition:transform .22s;z-index:1000}
  .side.open{transform:translateX(0)}
  .side .foot{position:static}
  .content,.topbar{padding-left:16px;padding-right:16px}
  .topbar{gap:8px}
}
.side-mask{display:none;position:fixed;inset:0;background:rgba(20,15,20,.4);z-index:999}
.side-mask.show{display:block}