:root{
  --bg:#f4f6fa; --card:#ffffff; --ink:#1f2937; --muted:#6b7280;
  --brand:#ea580c; --brand-dark:#c2410c; --line:#e5e7eb;
  --ok:#16a34a; --warn:#d97706; --bad:#dc2626; --info:#2563eb;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);font-size:14px}
a{color:var(--info);text-decoration:none}
button{cursor:pointer;border:none;border-radius:8px;padding:8px 16px;font-size:14px}
.btn{background:var(--brand);color:#fff}
.btn:hover{background:var(--brand-dark)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{background:#f9fafb}
.btn-danger{background:var(--bad);color:#fff}
.btn-sm{padding:5px 10px;font-size:12px}
input,select,textarea{width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit}
textarea{min-height:90px;resize:vertical}
label{display:block;font-weight:600;margin:12px 0 6px}
.req::after{content:" *";color:var(--bad)}

/* login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{background:var(--card);border-radius:16px;padding:36px;width:100%;max-width:380px;box-shadow:0 8px 30px rgba(0,0,0,.08)}
.login-card h1{font-size:22px;margin-bottom:4px}
.login-card p{color:var(--muted);margin-bottom:20px}
.login-card button{width:100%;margin-top:16px;padding:11px}
.err{color:var(--bad);margin-top:10px;min-height:20px}

/* layout */
.topbar{background:#111827;color:#fff;padding:0 20px;height:56px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:10}
.topbar .logo{font-weight:700;font-size:16px;white-space:nowrap}
.topbar .logo span{color:var(--brand)}
.topbar nav{display:flex;gap:4px;flex:1;overflow-x:auto}
.topbar nav button{background:transparent;color:#d1d5db;padding:8px 12px;white-space:nowrap}
.topbar nav button.active,.topbar nav button:hover{color:#fff;background:#1f2937}
.topbar .me{margin-left:auto;display:flex;align-items:center;gap:10px;color:#d1d5db;white-space:nowrap}
.badge{background:var(--bad);color:#fff;border-radius:999px;font-size:11px;padding:1px 7px;margin-left:4px}
.main{max-width:1100px;margin:0 auto;padding:20px}
.card{background:var(--card);border-radius:12px;padding:20px;margin-bottom:16px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.card h2{font-size:17px;margin-bottom:12px}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row>*{flex:1;min-width:160px}
.toolbar{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap;align-items:center}
.toolbar input,.toolbar select{width:auto}

/* table */
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600;white-space:nowrap}
tr:hover td{background:#fafafa}
.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;white-space:nowrap}
.p-pending{background:#fef3c7;color:#92400e}
.p-quoted{background:#dbeafe;color:#1e40af}
.p-won{background:#dcfce7;color:#166534}
.p-lost{background:#f3f4f6;color:#4b5563}
.p-ordered{background:#e0e7ff;color:#3730a3}
.p-arrived{background:#fef9c3;color:#854d0e}
.p-done{background:#dcfce7;color:#166534}

/* detail */
.kv{display:grid;grid-template-columns:130px 1fr;gap:8px 12px;font-size:14px}
.kv dt{color:var(--muted)}
.kv dd{word-break:break-word}
.price-box{background:#fff7ed;border:1px solid #fed7aa;border-radius:10px;padding:14px;margin:12px 0}
.price-box .big{font-size:24px;font-weight:700;color:var(--brand-dark)}
.notif{border-left:3px solid var(--line);padding:8px 12px;margin-bottom:8px;background:#fff;border-radius:0 8px 8px 0}
.notif.unread{border-color:var(--brand);background:#fff7ed}
.notif .t{font-size:12px;color:var(--muted)}
.empty{text-align:center;color:var(--muted);padding:30px}
.wa-btn{display:inline-block;background:#22c55e;color:#fff;padding:8px 16px;border-radius:8px;font-size:14px}
.wa-btn:hover{background:#16a34a;color:#fff}
.hint{font-size:12px;color:var(--muted);margin-top:6px}
@media(max-width:640px){.kv{grid-template-columns:1fr}.kv dt{margin-top:8px}}