:root{--ink: #1c1915;--muted: #6b645b;--paper: #f6f1e8;--card: #fffdf8;--line: #e4ddd2;--teal: #0f6e6b;--teal-dark: #0b5553;--amber: #c9782c;--danger: #b42318;--ok: #1f7a3f;--sidebar: #171512;--sidebar-text: #efe7db;--shadow: 0 10px 30px rgba(28, 25, 21, .08);font-family:Source Han Sans SC,Noto Sans SC,PingFang SC,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#app{margin:0;min-height:100%;background:var(--paper);color:var(--ink)}a{color:var(--teal);text-decoration:none}button,input,select,textarea{font:inherit}.btn{border:0;border-radius:8px;padding:8px 14px;cursor:pointer;background:var(--teal);color:#fff}.btn:hover{background:var(--teal-dark)}.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn.danger{background:var(--danger)}.btn.amber{background:var(--amber)}.btn:disabled{opacity:.55;cursor:not-allowed}.input,select,textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:8px 10px;background:#fff}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px}th,td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{color:var(--muted);font-weight:600;background:#faf7f2}.layout{display:grid;grid-template-columns:228px 1fr;min-height:100vh}.side{background:var(--sidebar);color:var(--sidebar-text);padding:18px 12px}.brand{font-weight:700;letter-spacing:.08em;padding:8px 12px 18px}.nav-group{margin:8px 0 4px;padding:10px 12px 4px;font-size:11px;color:#b8aea0;text-transform:none}.nav a{display:block;color:var(--sidebar-text);padding:8px 12px;border-radius:8px;opacity:.85}.nav a.active,.nav a:hover{background:#2b2621;opacity:1}.main{display:flex;flex-direction:column;min-width:0}.top{display:flex;justify-content:space-between;align-items:center;padding:16px 22px;border-bottom:1px solid var(--line);background:#fffdf8cc}.page{padding:22px}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.grid{display:grid;gap:14px}.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.stat{padding:16px}.stat b{display:block;font-size:22px;margin-top:6px}.muted{color:var(--muted);font-size:13px}.err{color:var(--danger)}.ok{color:var(--ok)}.switch{display:inline-flex;align-items:center;gap:6px}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#1c191566;display:flex;align-items:center;justify-content:center;z-index:20;padding:20px}.modal{background:var(--card);border-radius:16px;max-width:760px;width:min(760px,100%);max-height:90vh;overflow:auto;padding:20px}.toast{position:fixed;right:18px;top:18px;background:var(--ink);color:#fff;padding:10px 14px;border-radius:10px;z-index:30}.login-wrap{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 20%,#dcebe8,var(--paper) 55%)}.login-card{width:420px}.captcha{height:44px;border-radius:8px;border:1px solid var(--line);cursor:pointer;background:#fff}.toolbar{margin-bottom:14px}h1,h2,h3{margin:0 0 12px}label{display:block;font-size:13px;color:var(--muted);margin:0 0 6px}.field{margin-bottom:12px}@media(max-width:900px){.layout{grid-template-columns:1fr}.side{display:none}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}