/* ============================================================
   记工系统 · 管理后台样式（现代清爽版）
   设计：浅灰底 + 深靛蓝侧边栏 + 白卡片 + 精致组件
   ============================================================ */
:root{
  --primary:#4f46e5; --primary-d:#4338ca; --primary-l:#818cf8; --primary-soft:#eef2ff;
  --bg:#f1f5f9; --surface:#ffffff; --surface-2:#f8fafc;
  --ink:#0f172a; --muted:#64748b; --border:#e5e9f2;
  --ok:#10b981; --ok-soft:#ecfdf5; --warn:#f59e0b; --warn-soft:#fffbeb; --err:#ef4444; --err-soft:#fef2f2; --info:#3b82f6; --info-soft:#eff6ff;
  --radius:14px; --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06),0 1px 3px rgba(15,23,42,.04);
  --shadow:0 6px 24px rgba(15,23,42,.07);
  --sidebar-bg:linear-gradient(180deg,#1e1b4b 0%,#312e81 100%);
  --sidebar-text:rgba(255,255,255,.72);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
  background:var(--bg); color:var(--ink); min-height:100vh;
  font-size:14px; line-height:1.6; -webkit-font-smoothing:antialiased;
}
a{color:var(--primary-d);text-decoration:none;transition:color .15s}
a:hover{color:var(--primary)}
::selection{background:var(--primary-soft);color:var(--primary-d)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:8px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:#94a3b8}

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

/* ---------- 侧边栏 ---------- */
.sidebar{
  width:240px; flex-shrink:0; position:sticky; top:0; height:100vh;
  background:var(--sidebar-bg); color:#fff; padding:20px 14px;
  display:flex; flex-direction:column; gap:6px; z-index:20;
}
.logo{
  font-size:19px; font-weight:800; color:#fff; text-align:center;
  padding:8px 0 20px; letter-spacing:1px; position:relative;
}
.logo::after{
  content:""; position:absolute; left:50%; bottom:14px; transform:translateX(-50%);
  width:36px; height:3px; border-radius:3px; background:linear-gradient(90deg,var(--primary-l),#22d3ee);
}
.nav{display:flex;flex-direction:column;gap:3px;overflow:auto;margin-top:4px}
.nav-item{
  display:flex;align-items:center; gap:10px; padding:11px 14px; border-radius:10px;
  color:var(--sidebar-text); font-size:14px; font-weight:500; transition:.16s; position:relative;
}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{
  background:rgba(255,255,255,.14); color:#fff; font-weight:600;
  box-shadow:inset 3px 0 0 var(--primary-l);
}
.nav-item.active::before{
  content:""; position:absolute; left:0; top:18%; bottom:18%; width:3px; border-radius:0 3px 3px 0; background:var(--primary-l);
}

/* ---------- 主区 ---------- */
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{
  display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 28px;
  background:rgba(255,255,255,.85);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border); position:sticky; top:0; z-index:10; flex-wrap:wrap;
}
.topbar-left{font-size:17px;font-weight:700;color:var(--ink)}
.topbar-right{display:flex;align-items:center;gap:12px;font-size:14px;flex-wrap:wrap}
.topbar .user{color:var(--muted)}
.topbar select{
  width:auto;padding:7px 28px 7px 12px;font-size:13px;border-radius:999px;
  border:1px solid var(--border);background:var(--surface-2);cursor:pointer;
}
.content{padding:26px 28px;overflow:auto;flex:1}
.inline{display:inline}

/* ---------- 卡片 ---------- */
.card{
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:22px; box-shadow:var(--shadow-sm); margin-bottom:20px; transition:box-shadow .2s,transform .2s;
}
.card:hover{box-shadow:var(--shadow)}
.card > h3{
  margin:0 0 16px; font-size:16px; font-weight:700; color:var(--ink);
  padding-bottom:12px; border-bottom:1px solid var(--border); position:relative;
}
.card > h3::before{
  content:""; position:absolute; left:0; bottom:-1px; width:42px; height:3px; border-radius:3px;
  background:linear-gradient(90deg,var(--primary),var(--primary-l));
}

/* ---------- 统计卡 ---------- */
.grid{display:grid;gap:18px}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.stat{
  background:var(--surface); border:1px solid var(--border); border-left:4px solid var(--primary);
  border-radius:var(--radius); padding:18px 20px; box-shadow:var(--shadow-sm);
  transition:transform .18s,box-shadow .18s;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.stat .num{font-size:26px;font-weight:800;color:var(--ink);line-height:1.2}
.stat .lbl{color:var(--muted);font-size:13px;margin-top:6px}

/* ---------- 按钮（药丸） ---------- */
.pill{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:9px 18px;border-radius:999px;
  background:linear-gradient(135deg,var(--primary),var(--primary-l));
  color:#fff;border:none;cursor:pointer;font-size:14px;font-weight:600;
  box-shadow:0 4px 14px rgba(79,70,229,.25);transition:.16s;font-family:inherit;
}
.pill:hover{filter:brightness(1.06);box-shadow:0 6px 18px rgba(79,70,229,.32);transform:translateY(-1px)}
.pill:active{transform:translateY(0)}
.pill.ghost{background:transparent;color:var(--primary-d);border:1px solid var(--primary);box-shadow:none}
.pill.ghost:hover{background:var(--primary-soft)}
.pill.sm{padding:6px 13px;font-size:13px;box-shadow:none}
.pill.sm:hover{box-shadow:0 3px 10px rgba(79,70,229,.2)}
.pill.danger{background:linear-gradient(135deg,#ef4444,#f87171);box-shadow:0 4px 14px rgba(239,68,68,.25)}
.pill.danger:hover{box-shadow:0 6px 18px rgba(239,68,68,.32)}
.pill.warn{background:linear-gradient(135deg,#f59e0b,#fbbf24);box-shadow:0 4px 14px rgba(245,158,11,.25)}
.pill.warn:hover{box-shadow:0 6px 18px rgba(245,158,11,.32)}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}

/* ---------- 表单 ---------- */
label{display:block;font-size:13px;color:var(--muted);margin:12px 0 5px;font-weight:500}
input,select,textarea{
  width:100%;padding:10px 13px;border:1px solid var(--border);border-radius:var(--radius-sm);
  font-size:14px;background:var(--surface);color:var(--ink);font-family:inherit;transition:.15s;
}
input:hover,select:hover,textarea:hover{border-color:#c7d2fe}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.15)}
input[type=color]{padding:3px;height:42px;cursor:pointer}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px 18px}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border-radius:var(--radius)}
table{width:100%;border-collapse:separate;border-spacing:0;font-size:14px;background:var(--surface);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border)}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border)}
th{background:var(--surface-2);color:var(--muted);font-weight:600;font-size:13px;white-space:nowrap}
th:first-child{border-top-left-radius:var(--radius)}
th:last-child{border-top-right-radius:var(--radius)}
tbody tr{transition:background .12s}
tbody tr:hover td{background:var(--primary-soft)}
tbody tr:last-child td{border-bottom:none}
td .row-actions{display:flex;gap:6px;flex-wrap:wrap}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;padding:3px 11px;border-radius:999px;font-size:12px;font-weight:600;border:1px solid transparent}
.badge.ok{background:var(--ok-soft);color:#047857;border-color:#a7f3d0}
.badge.warn{background:var(--warn-soft);color:#b45309;border-color:#fde68a}
.badge.err{background:var(--err-soft);color:#b91c1c;border-color:#fecaca}
.badge.info{background:var(--info-soft);color:#1d4ed8;border-color:#bfdbfe}

/* ---------- 提示 ---------- */
.alert{padding:13px 16px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:14px;border:1px solid transparent;display:flex;align-items:center;gap:8px}
.alert::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor;flex-shrink:0;opacity:.7}
.alert-info{background:var(--info-soft);color:#1d4ed8;border-color:#bfdbfe}
.alert-success{background:var(--ok-soft);color:#047857;border-color:#a7f3d0}
.alert-error{background:var(--err-soft);color:#b91c1c;border-color:#fecaca}
.alert-warn{background:var(--warn-soft);color:#b45309;border-color:#fde68a}

/* ---------- 登录页 ---------- */
.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh;
  background:radial-gradient(1200px 600px at 50% -10%,#e0e7ff 0%,var(--bg) 55%)}
.login-card{width:380px;max-width:92vw;padding:34px 30px}
.login-card .logo{
  color:var(--primary-d);text-align:center;font-size:24px;font-weight:800;padding-bottom:0;margin-bottom:4px;
}
.login-card .logo::after{display:none}
.login-card form{margin-top:6px}

/* ---------- 通用文字 ---------- */
h2{margin:0 0 6px;color:var(--ink);font-size:20px}
h3{margin:0 0 12px;font-size:16px;color:var(--ink)}
.muted{color:var(--muted);font-size:13px}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.text-right{text-align:right}
canvas{max-width:100%}

/* ---------- 响应式 ---------- */
@media(max-width:860px){
  .sidebar{
    position:fixed;left:0;top:0;transform:translateX(-100%);transition:transform .25s;
  }
  .sidebar.open{transform:translateX(0)}
  .content{padding:16px}
  .topbar{padding:12px 16px}
  .menu-toggle{display:inline-flex}
}
@media(min-width:861px){.menu-toggle{display:none}}
.menu-toggle{
  align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;
  border:1px solid var(--border);background:var(--surface);cursor:pointer;color:var(--ink);font-size:18px;
}