:root{
  --emerald:#0E9F6E; --emerald-dark:#0A7D57; --emerald-tint:#E7F6EF;
  --ink:#0B1220; --text:#1C2530; --muted:#6B7680; --line:#E5E8E5;
  --bg:#F6F7F6; --white:#fff; --amber:#B7791F; --amber-tint:#FBF3E4;
  --red:#C0392B; --radius:12px; --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:24px 20px 60px}

/* topbar */
.topbar{background:var(--white);border-bottom:1px solid var(--line);padding:0 20px;height:58px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}
.logo{font-weight:750;font-size:1.1rem;display:flex;align-items:center;gap:8px;color:var(--ink)}
.logo-mark{width:26px;height:26px;border-radius:8px;background:var(--emerald);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:.95rem}
.logo-sub{color:var(--muted);font-weight:500;font-size:.9rem}
.topbar nav{display:flex;gap:20px}
.topbar nav a{color:var(--muted);font-weight:600;font-size:.92rem}
.topbar nav a:hover{color:var(--ink)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:6px;font:inherit;font-weight:650;font-size:.9rem;padding:9px 16px;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;transition:.15s}
.btn:hover{border-color:var(--emerald);color:var(--emerald-dark)}
.btn-primary{background:var(--emerald);color:#fff;border-color:var(--emerald)}
.btn-primary:hover{background:var(--emerald-dark);color:#fff}
.btn-primary:disabled{opacity:.5;cursor:not-allowed}
.btn-block{width:100%;justify-content:center}

/* page head */
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.page-head h1{font-size:1.5rem;letter-spacing:-.02em;color:var(--ink)}
.page-head .sub{color:var(--muted);font-size:.9rem;margin-top:4px}
.head-actions{display:flex;gap:10px}
.back{color:var(--muted);font-size:.86rem;font-weight:600;display:inline-block;margin-bottom:6px}
.tw-status.ok{color:var(--emerald-dark)}
.tw-status.warn{color:var(--amber)}

/* flash */
.flash{background:var(--emerald-tint);border:1px solid var(--emerald);color:var(--emerald-dark);border-radius:10px;padding:11px 15px;margin-bottom:16px;font-weight:600;font-size:.9rem}

/* stat strip */
.stat-strip{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:22px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.stat-num{font-size:1.7rem;font-weight:800;letter-spacing:-.03em;color:var(--ink);line-height:1}
.stat-num.sm{font-size:1.05rem}
.stat-lbl{color:var(--muted);font-size:.82rem;margin-top:5px}

/* panels (forms) */
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:20px}
.panel h3{font-size:1.1rem;color:var(--ink)}
.panel-sub{color:var(--muted);font-size:.88rem;margin:4px 0 16px}
.grid-form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.grid-form label,.detail-form label{display:flex;flex-direction:column;font-size:.8rem;font-weight:650;color:var(--ink);gap:5px}
.grid-form input,.grid-form select,.detail-form input,.detail-form select,textarea{font:inherit;font-size:.92rem;padding:9px 11px;border:1px solid var(--line);border-radius:8px;background:var(--bg);font-weight:400}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--emerald);box-shadow:0 0 0 3px rgba(14,159,110,.12);background:#fff}
.form-actions{grid-column:1/-1;display:flex;justify-content:flex-end;margin-top:4px}
textarea{width:100%;resize:vertical}

/* table */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.9rem;min-width:720px}
th,td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line)}
th{font-size:.74rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#fbfcfb}
tr:last-child td{border-bottom:none}
tbody tr:hover td{background:#fafbfa}
.biz a{font-weight:700;color:var(--ink)}
.biz a:hover{color:var(--emerald-dark)}
.biz .muted{display:block;font-weight:400;color:var(--muted);font-size:.82rem}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86rem}
.muted{color:var(--muted)}
td.over{color:var(--red);font-weight:700}
.row-link{color:var(--emerald-dark);font-weight:600;font-size:.85rem;white-space:nowrap}

/* pills */
.pill{display:inline-block;font-size:.74rem;font-weight:700;padding:3px 9px;border-radius:999px;text-transform:capitalize}
.pill-live{background:var(--emerald-tint);color:var(--emerald-dark)}
.pill-onboarding{background:#EAF1FB;color:#2563A8}
.pill-paused{background:var(--amber-tint);color:var(--amber)}
.pill-churned{background:#F1EEEE;color:#7A6E6E}

/* detail cards */
.detail-form{display:flex;flex-direction:column;gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card h3{font-size:1rem;color:var(--ink);margin-bottom:14px}

.empty{background:#fff;border:1px dashed var(--line);border-radius:var(--radius);padding:60px 20px;text-align:center;color:var(--muted)}

/* login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:34px;width:100%;max-width:380px;box-shadow:0 12px 40px rgba(11,18,32,.08)}
.login-brand{font-weight:750;font-size:1.25rem;display:flex;align-items:center;gap:9px;color:var(--ink);justify-content:center;margin-bottom:8px}
.login-hint,.login-locked{color:var(--muted);font-size:.88rem;text-align:center;margin-bottom:22px}
.login-card label{display:block;font-size:.82rem;font-weight:650;margin-bottom:6px;color:var(--ink)}
.login-card input{width:100%;font:inherit;font-size:1rem;padding:11px 13px;border:1px solid var(--line);border-radius:9px;background:var(--bg);margin-bottom:16px}
.login-locked code,.login-card code{background:var(--bg);padding:2px 6px;border-radius:5px;font-size:.85em}

@media (min-width:720px){
  .stat-strip{grid-template-columns:repeat(4,1fr)}
}
@media (max-width:600px){
  .grid-form{grid-template-columns:1fr}
}