:root{
  --teal:#0d9488; --teal-d:#0b3b3c; --teal-l:#ccfbf1; --mint:#2dd4bf;
  --ink:#12343b; --body:#334155; --muted:#64748b; --line:#e2e8f0;
  --bg:#f4fbfa; --white:#fff; --amber:#d97706;
  --ok:#16a34a; --warn:#d97706; --bad:#dc2626;
  --radius:12px; --shadow:0 6px 18px rgba(11,59,60,.08);
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--body);background:var(--bg);font-size:15px;line-height:1.5}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{color:var(--ink);margin:0}
.muted{color:var(--muted)}
.small{font-size:12.5px}
.r{text-align:right}
.mt{margin-top:18px}
hr.sep{border:0;border-top:1px solid var(--line);margin:20px 0}

/* ---------- Auth ---------- */
.auth-body{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#0b3b3c,#0d9488)}
.auth-card{background:var(--white);width:100%;max-width:380px;margin:20px;padding:30px;border-radius:16px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.auth-card h1{font-size:22px;margin:6px 0 18px}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);font-size:17px}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;background:var(--teal);color:#fff;border-radius:8px;font-weight:700}

/* ---------- Shell / sidebar ---------- */
.shell{display:flex;min-height:100vh}
.sidebar{width:240px;background:var(--teal-d);color:#cfe8e6;display:flex;flex-direction:column;padding:18px 14px;flex-shrink:0}
.sidebar .brand{color:#fff;margin-bottom:22px}
.sidebar nav{display:flex;flex-direction:column;gap:4px;flex:1}
.nav-link{color:#bfe3e1;padding:10px 12px;border-radius:8px;font-weight:600}
.nav-link:hover{background:rgba(255,255,255,.07);text-decoration:none;color:#fff}
.nav-link.active{background:var(--teal);color:#fff}
.sidebar-foot{border-top:1px solid rgba(255,255,255,.12);padding-top:12px}
.who{font-weight:600;color:#fff;margin-bottom:8px;line-height:1.2}
.who span{display:block;font-weight:400;font-size:12px;color:#8fbdbb}

.content{flex:1;min-width:0}
.content.full{width:100%}
.topbar{display:flex;align-items:center;gap:12px;background:var(--white);border-bottom:1px solid var(--line);padding:14px 22px;position:sticky;top:0;z-index:5}
.topbar h1{font-size:18px}
.menu-toggle{display:none;border:0;background:none;font-size:20px;cursor:pointer;color:var(--ink)}
.page{padding:22px;max-width:1100px}

/* ---------- Cards / stats ---------- */
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:18px}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.card-head h2{font-size:16px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.stat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-bottom:18px}
.stat{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;text-align:center}
.stat-num{font-size:30px;font-weight:700;color:var(--teal)}
.stat-label{font-size:12.5px;color:var(--muted);margin-top:2px}

/* ---------- Tables ---------- */
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
.table th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:700}
.table tbody tr:hover{background:#f8fafc}

/* ---------- Badges ---------- */
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:700;text-transform:capitalize}
.badge-active{background:#dcfce7;color:#15803d}
.badge-trial{background:#fef3c7;color:#b45309}
.badge-suspended{background:#fee2e2;color:#b91c1c}
.badge-inactive{background:#e2e8f0;color:#475569}

/* ---------- Buttons ---------- */
.btn{display:inline-block;border:1px solid transparent;border-radius:9px;padding:9px 16px;font-size:14px;font-weight:600;cursor:pointer;text-align:center}
.btn:hover{text-decoration:none;opacity:.94}
.btn-primary{background:var(--teal);color:#fff}
.btn-light{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-sm{padding:6px 11px;font-size:12.5px}
.btn-block{width:100%}

/* ---------- Forms ---------- */
label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:12px}
input,select{display:block;width:100%;margin-top:5px;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;font-weight:400;color:var(--ink);background:#fff}
input:focus,select:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px rgba(13,148,136,.15)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.form-actions{margin-top:6px}
.form-card{max-width:760px}
.toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.search{display:flex;gap:8px}
.search input{margin-top:0;min-width:240px}
.actions-row{margin-top:4px}

/* ---------- Flash ---------- */
.flash{padding:11px 14px;border-radius:9px;margin-bottom:14px;font-size:14px;font-weight:500}
.flash-success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.flash-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}

/* ---------- Feature toggles ---------- */
.feature-list{display:flex;flex-direction:column;gap:2px}
.feature-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 4px;border-bottom:1px solid var(--line);margin:0}
.feature-row:last-child{border-bottom:0}
.feature-row.static{cursor:default}
.feature-label{font-size:13.5px;color:var(--ink);font-weight:500}
.toggle{position:relative;width:44px;height:24px;border-radius:20px;border:0;cursor:pointer;flex-shrink:0;transition:background .15s}
.toggle.off{background:#cbd5e1}
.toggle.on{background:var(--teal)}
.toggle .knob{position:absolute;top:3px;left:3px;width:18px;height:18px;background:#fff;border-radius:50%;transition:left .15s}
.toggle.on .knob{left:23px}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .grid-2{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .form-grid{grid-template-columns:1fr}
  .menu-toggle{display:inline-block}
  .sidebar{position:fixed;left:-260px;top:0;bottom:0;z-index:30;transition:left .2s}
  body.nav-open .sidebar{left:0}
  .page{padding:16px}
}