:root{--bg:#f4f6f9;--panel:#fff;--ink:#1c2430;--muted:#6b7684;--line:#e3e8ee;--blue:#2563eb;--green:#15925a;--red:#c0392b;--amber:#b7791f}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 'Segoe UI',system-ui,sans-serif;color:var(--ink);background:var(--bg)}
.top{background:var(--panel);border-bottom:1px solid var(--line);padding:12px 20px}
.top>div,.top{display:flex;align-items:center;gap:18px}
.top .brand{font-weight:700;font-size:17px}
.top nav{margin-left:auto;display:flex;align-items:center;gap:16px}
.top nav a{color:var(--blue);text-decoration:none}
.top .who{color:var(--muted);font-size:13px}
main{max-width:960px;margin:26px auto;padding:0 20px}
h1{font-size:22px;margin:0 0 4px}
.muted{color:var(--muted)} .small{font-size:13px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:14px 0}
.card.narrow{max-width:420px;margin:8vh auto}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:640px){.cards{grid-template-columns:1fr}}
.card h3{margin:0 0 6px}
label{display:block;margin:12px 0;font-size:14px;color:var(--muted)}
input,select{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font:inherit;color:var(--ink);margin-top:4px}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.row input,.row select{width:auto;flex:1;margin-top:0}
.btn{display:inline-block;font:inherit;cursor:pointer;border:1px solid var(--line);background:#fff;border-radius:8px;padding:9px 15px;color:var(--ink);text-decoration:none}
.btn.primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.flash{background:#eef4ff;border:1px solid #d3e2fb;color:#25406b;padding:10px 14px;border-radius:8px;margin:12px 0}
.err{background:#fdeceb;border:1px solid #f5c6c2;color:var(--red);padding:10px 14px;border-radius:8px;margin:10px 0}
.ok{background:#e5f4ec;border:1px solid #bfe6cf;color:var(--green);padding:10px 14px;border-radius:8px;margin:10px 0}
.tbl{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden;margin-top:14px}
.tbl th,.tbl td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line)}
.tbl th{background:#fafbfc;font-size:12px;text-transform:uppercase;color:var(--muted)}
.chip{display:inline-flex;gap:7px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:7px 12px;text-decoration:none;color:var(--ink)}
.chip.active{outline:2px solid var(--blue);border-color:var(--blue)}
.chip b{font-size:16px}
.badge{display:inline-block;padding:2px 9px;border-radius:12px;font-size:12px;font-weight:600}
.badge.ok{background:#e5f4ec;color:var(--green)}
.badge.warn{background:#fdeceb;color:var(--red)}