/* ============================================================
   云题阁 · 设计系统（拟态 Newmorphism）
   ============================================================ */
:root{
  --bg:#eef1f7;
  --bg-2:#e7ebf4;
  --card:#f5f7fc;
  --card-2:#eef2f9;
  --text:#232a3b;
  --text-2:#4a5367;
  --muted:#7b8499;
  --line:rgba(140,152,176,.18);
  --brand:#4b6cf5;
  --brand-2:#7c96ff;
  --brand-3:#3355e0;
  --ok:#18a058;
  --warn:#e0902a;
  --err:#e2524a;
  --purple:#8b6cf5;

  --r-sm:10px; --r:14px; --r-lg:20px; --r-xl:28px;

  --sd-1: 3px 3px 8px rgba(163,177,198,.38), -3px -3px 8px rgba(255,255,255,.9);
  --sd-2: 6px 6px 16px rgba(163,177,198,.42), -6px -6px 16px rgba(255,255,255,.92);
  --sd-3: 12px 12px 30px rgba(163,177,198,.45), -12px -12px 30px rgba(255,255,255,.95);
  --sd-in: inset 3px 3px 8px rgba(163,177,198,.55), inset -3px -3px 8px rgba(255,255,255,.92);
  --sd-in-sm: inset 2px 2px 5px rgba(163,177,198,.45), inset -2px -2px 5px rgba(255,255,255,.9);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:14px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
img{max-width:100%}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:rgba(140,152,176,.35);border-radius:8px}
::-webkit-scrollbar-track{background:transparent}

/* ---------- 排版 ---------- */
h1,h2,h3,h4{font-weight:600;letter-spacing:.2px;line-height:1.35}
.h1{font-size:26px}
.h2{font-size:19px}
.h3{font-size:16px}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.mini{font-size:11.5px}
.bold{font-weight:600}
.center{text-align:center}
.nowrap{white-space:nowrap}
.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.flex{display:flex;align-items:center}
.flex-col{display:flex;flex-direction:column}
.between{display:flex;align-items:center;justify-content:space-between}
.gap-4{gap:4px}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.gap-24{gap:24px}
.wrap{flex-wrap:wrap}
.grow{flex:1;min-width:0}
.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}
.mb-8{margin-bottom:8px}.mb-12{margin-bottom:12px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}
.hide{display:none !important}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;cursor:pointer;user-select:none;white-space:nowrap;
  padding:11px 20px;border-radius:var(--r);font-size:14px;font-weight:500;
  background:linear-gradient(145deg,#5577f7,#4363ee);
  color:#fff;box-shadow:var(--sd-2);
  transition:transform .16s ease, box-shadow .16s ease, filter .16s ease;
}
.btn:hover{transform:translateY(-1px);filter:brightness(1.04)}
.btn:active{transform:translateY(0);box-shadow:var(--sd-in)}
.btn[disabled],.btn.disabled{opacity:.5;cursor:not-allowed;transform:none !important;filter:none}
.btn.ghost{background:var(--card);color:var(--text-2);box-shadow:var(--sd-2)}
.btn.ghost:hover{color:var(--brand)}
.btn.soft{background:rgba(75,108,245,.10);color:var(--brand);box-shadow:none}
.btn.soft:hover{background:rgba(75,108,245,.16)}
.btn.danger{background:linear-gradient(145deg,#f0605a,#e2524a)}
.btn.ok{background:linear-gradient(145deg,#25b06a,#18a058)}
.btn.sm{padding:7px 14px;font-size:13px;border-radius:11px}
.btn.xs{padding:4px 10px;font-size:12px;border-radius:9px}
.btn.lg{padding:14px 30px;font-size:15px;border-radius:16px}
.btn.block{width:100%}
.btn.round{border-radius:999px}
.icon-btn{
  width:38px;height:38px;display:inline-grid;place-items:center;border:none;cursor:pointer;
  border-radius:12px;background:var(--card);box-shadow:var(--sd-1);color:var(--text-2);
  transition:.16s;
}
.icon-btn:hover{color:var(--brand)}
.icon-btn:active{box-shadow:var(--sd-in-sm)}

/* ---------- 卡片 ---------- */
.card{background:var(--card);border-radius:var(--r-lg);box-shadow:var(--sd-2);padding:20px}
.card.flat{box-shadow:none;background:var(--card-2)}
.card.inset{box-shadow:var(--sd-in);background:var(--bg)}
.card.hoverable{transition:transform .2s ease, box-shadow .2s ease;cursor:pointer}
.card.hoverable:hover{transform:translateY(-3px);box-shadow:var(--sd-3)}
.panel{background:var(--card);border-radius:var(--r-lg);box-shadow:var(--sd-2);padding:22px}
.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.section-title h3{font-size:16px;font-weight:600}

/* ---------- 表单 ---------- */
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field > label{font-size:12.5px;color:var(--muted);padding-left:4px;letter-spacing:.3px}
.field .req{color:var(--err);margin-left:2px}
.input,textarea.input,select.input{
  width:100%;border:none;outline:none;background:var(--bg);
  border-radius:var(--r);padding:12px 15px;font-size:14px;color:var(--text);
  box-shadow:var(--sd-in);transition:box-shadow .18s;
}
.input::placeholder{color:#a7afc0}
.input:focus{box-shadow:var(--sd-in),0 0 0 2px rgba(75,108,245,.22)}
textarea.input{resize:vertical;min-height:90px;line-height:1.7}
select.input{appearance:none;background-image:linear-gradient(45deg,transparent 49%,var(--muted) 50%),linear-gradient(-45deg,transparent 49%,var(--muted) 50%);
  background-size:6px 6px,6px 6px;background-position:calc(100% - 18px) 55%,calc(100% - 12px) 55%;background-repeat:no-repeat}
.input-group{display:flex;gap:10px}
.input-group .input{flex:1}
.checkbox{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-size:13px;color:var(--text-2)}
.checkbox input{width:16px;height:16px;accent-color:var(--brand)}

/* ---------- 标签 / 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:500;
  background:rgba(75,108,245,.10);color:var(--brand)}
.badge.gray{background:rgba(123,132,153,.12);color:var(--muted)}
.badge.ok{background:rgba(24,160,88,.12);color:var(--ok)}
.badge.warn{background:rgba(224,144,42,.14);color:#b5721c}
.badge.err{background:rgba(226,82,74,.12);color:var(--err)}
.badge.purple{background:rgba(139,108,245,.14);color:var(--purple)}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;font-size:13px;
  background:var(--card);box-shadow:var(--sd-1);cursor:pointer;color:var(--text-2);transition:.15s;border:none}
.chip:hover{color:var(--brand)}
.chip.active{background:linear-gradient(145deg,#5577f7,#4363ee);color:#fff;box-shadow:var(--sd-2)}

/* ---------- 表格 ---------- */
.table{width:100%;border-collapse:separate;border-spacing:0;font-size:13.5px}
.table th{text-align:left;font-weight:500;color:var(--muted);font-size:12.5px;padding:10px 12px;white-space:nowrap}
.table td{padding:13px 12px;border-top:1px solid var(--line);vertical-align:middle}
.table tbody tr{transition:background .15s}
.table tbody tr:hover{background:rgba(255,255,255,.5)}
.table-wrap{overflow-x:auto}

/* ---------- 头像 ---------- */
.avatar{width:38px;height:38px;border-radius:13px;display:grid;place-items:center;color:#fff;font-weight:600;
  font-size:15px;flex:none;box-shadow:var(--sd-1);letter-spacing:.5px}
.avatar.sm{width:30px;height:30px;border-radius:10px;font-size:13px}
.avatar.lg{width:56px;height:56px;border-radius:18px;font-size:22px}
.avatar.xl{width:84px;height:84px;border-radius:26px;font-size:32px}
.av-1{background:linear-gradient(145deg,#6d8bff,#4b6cf5)}
.av-2{background:linear-gradient(145deg,#57c7a4,#18a058)}
.av-3{background:linear-gradient(145deg,#ffb457,#ef8b2c)}
.av-4{background:linear-gradient(145deg,#b18cff,#7f5bf0)}
.av-5{background:linear-gradient(145deg,#ff8fa6,#e8567a)}
.av-6{background:linear-gradient(145deg,#4fc3e8,#1f8fbb)}
.av-7{background:linear-gradient(145deg,#a0b4cc,#6b7f99)}
.av-8{background:linear-gradient(145deg,#7ad0ff,#3c8ae8)}

/* ---------- 弹层 ---------- */
.mask{position:fixed;inset:0;background:rgba(35,42,59,.35);backdrop-filter:blur(6px);z-index:100;
  display:grid;place-items:center;padding:20px;animation:fadeIn .18s ease}
.modal{background:var(--card);border-radius:var(--r-xl);box-shadow:0 30px 80px rgba(26,33,52,.28);
  width:100%;max-width:480px;max-height:86vh;overflow:auto;padding:26px;animation:pop .2s ease}
.modal.wide{max-width:820px}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.modal-head h3{font-size:17px}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}

/* ---------- 轻提示 ---------- */
.toast-wrap{position:fixed;top:22px;left:50%;transform:translateX(-50%);z-index:9999;display:flex;flex-direction:column;gap:10px;align-items:center;pointer-events:none}
.toast{padding:11px 20px;border-radius:14px;background:rgba(35,42,59,.9);color:#fff;font-size:13.5px;
  box-shadow:0 10px 30px rgba(20,26,40,.25);animation:toastIn .22s ease;max-width:80vw}
.toast.ok{background:linear-gradient(145deg,#25b06a,#18a058)}
.toast.err{background:linear-gradient(145deg,#f0605a,#d9463e)}
.toast.info{background:linear-gradient(145deg,#5577f7,#4363ee)}
@keyframes toastIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* ---------- 空状态 / 加载 ---------- */
.empty{padding:56px 20px;text-align:center;color:var(--muted)}
.empty .ico{font-size:38px;opacity:.5;margin-bottom:10px}
.empty p{font-size:13.5px}
.spinner{width:20px;height:20px;border-radius:50%;border:2.5px solid rgba(75,108,245,.2);border-top-color:var(--brand);
  animation:spin .7s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
.skeleton{background:linear-gradient(90deg,var(--card-2) 25%,#f7f9fd 37%,var(--card-2) 63%);
  background-size:400% 100%;animation:shimmer 1.3s ease infinite;border-radius:12px;height:16px}
@keyframes shimmer{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ---------- 布局骨架 ---------- */
.shell{display:flex;min-height:100vh}
.sidebar{
  width:232px;flex:none;padding:24px 16px;display:flex;flex-direction:column;gap:6px;
  position:sticky;top:0;height:100vh;overflow-y:auto;
}
.sidebar .logo{display:flex;align-items:center;gap:10px;padding:6px 10px 22px}
.sidebar .logo .mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,#6d8bff,#4b6cf5);
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:18px;box-shadow:var(--sd-1)}
.sidebar .logo b{font-size:15.5px;letter-spacing:.3px}
.sidebar .logo span{display:block;font-size:11px;color:var(--muted);letter-spacing:.4px}
.nav-item{
  display:flex;align-items:center;gap:11px;padding:11px 14px;border-radius:13px;color:var(--text-2);
  font-size:14px;cursor:pointer;transition:.16s;border:none;background:transparent;width:100%;text-align:left;
}
.nav-item .ic{width:19px;height:19px;flex:none;opacity:.85}
.nav-item:hover{background:rgba(255,255,255,.55);color:var(--brand)}
.nav-item.active{background:linear-gradient(145deg,#5577f7,#4363ee);color:#fff;box-shadow:var(--sd-2)}
.nav-item.active .ic{opacity:1}
.nav-label{font-size:11px;color:var(--muted);letter-spacing:1px;padding:16px 14px 6px;text-transform:uppercase}
.sidebar .spacer{flex:1}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 28px;position:sticky;top:0;z-index:30;
  background:rgba(238,241,247,.86);backdrop-filter:blur(12px);
}
.topbar h2{font-size:17px;font-weight:600}
.topbar .sub{font-size:12px;color:var(--muted);margin-top:1px}
.content{padding:4px 28px 40px;flex:1}

/* ---------- 栅格 ---------- */
.grid{display:grid;gap:18px}
.grid.c2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.c3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.c4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:1180px){.grid.c4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.c3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:900px){
  .grid.c2,.grid.c3,.grid.c4{grid-template-columns:1fr}
  .sidebar{position:fixed;left:0;top:0;bottom:0;z-index:60;background:var(--bg);
    transform:translateX(-100%);transition:transform .25s ease;box-shadow:var(--sd-3)}
  .sidebar.open{transform:none}
  .topbar{padding:0 16px}
  .content{padding:4px 16px 32px}
}

/* ---------- 统计卡 ---------- */
.stat{padding:18px 20px;border-radius:var(--r-lg);background:var(--card);box-shadow:var(--sd-2)}
.stat .k{font-size:12.5px;color:var(--muted)}
.stat .v{font-size:26px;font-weight:600;letter-spacing:.5px;margin-top:4px;font-variant-numeric:tabular-nums}
.stat .v small{font-size:13px;font-weight:400;color:var(--muted);margin-left:3px}

/* ---------- 进度条 ---------- */
.bar{height:8px;border-radius:999px;background:var(--bg-2);box-shadow:var(--sd-in-sm);overflow:hidden}
.bar > i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#6d8bff,#4b6cf5);transition:width .4s ease}

/* ---------- 页签条（用户端与后台共用） ---------- */
.tabs-line{display:flex;gap:6px;margin:22px 0 18px;border-bottom:1px solid var(--line);overflow-x:auto}
.tabs-line button{border:none;background:transparent;padding:10px 16px;font-size:13.5px;color:var(--muted);
  cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap;transition:.16s;border-radius:10px 10px 0 0}
.tabs-line button.on{color:var(--brand);font-weight:600;border-bottom-color:var(--brand)}
.tabs-line button:hover{color:var(--brand);background:rgba(255,255,255,.55)}

/* ---------- 表格页通用（用户端与后台共用） ---------- */
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.toolbar .input{max-width:240px}
.table-card{background:var(--card);border-radius:var(--r-lg);box-shadow:var(--sd-2);padding:8px 18px 16px}
.pager{display:flex;justify-content:center;gap:8px;margin-top:20px;align-items:center;font-size:13px;color:var(--muted)}

/* ---------- 分割 ---------- */
.divider{height:1px;background:var(--line);margin:16px 0}

/* ---------- 列表行（用户/成员通用） ---------- */
.member-row{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;
  background:var(--card);box-shadow:var(--sd-1);margin-bottom:10px}
.member-row .mi{flex:1;min-width:0}
.member-row .mi b{font-size:13.5px;display:block}
.member-row .mi span{font-size:12px;color:var(--muted)}