:root{
  --bg:#F8FAFC;--card:#FFFFFF;--text:#172033;--muted:#64748B;--primary:#2563EB;--primary-d:#1D4ED8;
  --success:#16A34A;--warning:#F59E0B;--danger:#DC2626;--border:#E2E8F0;--radius:14px;
  --shadow:0 1px 2px rgba(15,23,42,.04),0 1px 3px rgba(15,23,42,.06);--shadow-h:0 6px 20px rgba(15,23,42,.08);
  --bs-primary:#2563EB;--bs-primary-rgb:37,99,235;--bs-body-bg:#F8FAFC;--bs-body-color:#172033;--bs-border-color:#E2E8F0;
  --bs-body-font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;--bs-link-color:#2563EB;--bs-secondary-color:#64748B;
}
body{background:var(--bg);color:var(--text);font-family:var(--bs-body-font-family);-webkit-font-smoothing:antialiased;font-size:.94rem}
.text-muted{color:var(--muted)!important}.text-primary{color:var(--primary)!important}
h1,h2,h3,h4,h5,h6{letter-spacing:-.01em}
a{text-decoration:none}a:hover{text-decoration:underline}
.btn{border-radius:10px;font-weight:500;transition:transform .15s,box-shadow .15s,background .15s}
.btn-primary{background:var(--primary);border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-d);border-color:var(--primary-d);transform:translateY(-1px);box-shadow:0 4px 12px rgba(37,99,235,.25)}
.btn-light{background:#fff;border:1px solid var(--border);color:var(--text)}.btn-light:hover{background:#F1F5F9;border-color:var(--border)}
.btn-icon{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--border);background:#fff;padding:0}
.form-control,.form-select{border-radius:10px;border-color:var(--border);padding:.55rem .8rem}
.form-control:focus,.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.card{border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);background:var(--card)}
.alert{border-radius:12px;border:1px solid transparent}
.icon-sm{width:16px;height:16px;vertical-align:-3px}.icon-xs{width:13px;height:13px;vertical-align:-2px;cursor:help;color:var(--muted)}
.min-w-0{min-width:0}

/* Layout */
.app-shell{display:flex;min-height:100vh}
.sidebar{width:260px;background:#fff;border-right:1px solid var(--border);position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;padding:1.25rem 0;z-index:1040;transition:transform .25s ease}
.main-col{flex:1;margin-left:260px;min-width:0;display:flex;flex-direction:column}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.15rem;color:var(--text)!important;padding:0 1.25rem;margin-bottom:1.25rem;text-decoration:none!important}
.brand-mark{width:32px;height:32px;border-radius:9px;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center}
.brand-mark svg{width:18px;height:18px}.brand-lg{justify-content:center;font-size:1.4rem;margin-bottom:1.5rem}
.side-link{display:flex;align-items:center;gap:.7rem;padding:.55rem .85rem;margin-bottom:2px;border-radius:10px;color:#475569;font-weight:500;transition:background .15s,color .15s;text-decoration:none!important}
.side-link svg{width:18px;height:18px}
.side-link:hover{background:#F1F5F9;color:var(--text)}
.side-link.active{background:#EFF6FF;color:var(--primary)}
.side-link.is-soon{color:#94A3B8}
.soon-badge{margin-left:auto;font-style:normal;font-size:.65rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;background:#F1F5F9;color:#64748B;padding:.1rem .4rem;border-radius:6px}
.sidebar-foot{margin-top:auto}
.sidebar-backdrop{display:none}
.topbar{position:sticky;top:0;z-index:1030;background:rgba(248,250,252,.88);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);padding:.7rem 1.5rem;display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}
.topbar-site,.topbar-range{display:flex;align-items:center;gap:.4rem}
.topbar-site .form-select,.topbar-range .form-select{min-width:170px;max-width:300px}
.custom-range{display:flex;gap:.4rem}.custom-range input{width:140px}
.content{padding:1.75rem 1.5rem 3rem;max-width:1200px;width:100%}
.page-head{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1.5rem;flex-wrap:wrap}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:600}
.avatar-btn{padding:0;border:0}
.dot-badge{position:absolute;top:8px;right:9px;width:8px;height:8px;border-radius:50%;background:var(--danger);border:2px solid #fff}
.notif-menu{width:320px;border-radius:12px;box-shadow:var(--shadow-h);border-color:var(--border)}
.dropdown-menu{border-radius:12px;border-color:var(--border);box-shadow:var(--shadow-h);animation:dd .15s ease}
@keyframes dd{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* Auth */
.auth-body{background:var(--bg);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem 1rem}
.auth-wrap{width:100%;max-width:440px}
.auth-card{border-radius:18px;box-shadow:var(--shadow-h)}

/* Cards */
.stat-card{transition:transform .2s,box-shadow .2s}.stat-card:hover,.site-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-h)}
.site-card{transition:transform .2s,box-shadow .2s}
.stat-label{font-size:.82rem;color:var(--muted);font-weight:500}
.stat-icon{width:34px;height:34px;border-radius:10px;background:#EFF6FF;color:var(--primary);display:inline-flex;align-items:center;justify-content:center}
.stat-icon svg{width:17px;height:17px}
.stat-value{font-size:1.9rem;font-weight:700;letter-spacing:-.02em;margin-top:.5rem}
.setup-banner{border-color:#BFDBFE;background:#EFF6FF}
.empty-state{background:#fff;border:1px dashed #CBD5E1;border-radius:var(--radius);text-align:center;padding:3.5rem 1.5rem}
.empty-icon{width:56px;height:56px;border-radius:16px;background:#EFF6FF;color:var(--primary);display:inline-flex;align-items:center;justify-content:center;margin-bottom:1rem}
.empty-icon svg{width:26px;height:26px}
.badge-soft{font-weight:500;padding:.4em .7em;border-radius:999px;display:inline-flex;align-items:center;gap:.4rem}
.badge-soft.ok{background:#DCFCE7;color:#166534}.badge-soft.warn{background:#FEF3C7;color:#92400E}.badge-soft.muted{background:#F1F5F9;color:#475569}
.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.status-dot.ok{background:var(--success);box-shadow:0 0 0 3px rgba(22,163,74,.2)}
.status-dot.waiting{background:var(--warning);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.table thead th{font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600;border-bottom-color:var(--border)}

/* Setup steps */
.steps{position:relative}
.step{display:flex;gap:1rem;padding-bottom:1.5rem;position:relative}
.step:not(:last-child)::before{content:"";position:absolute;left:17px;top:38px;bottom:0;width:2px;background:var(--border)}
.step-n{flex:0 0 36px;height:36px;border-radius:50%;background:#fff;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-weight:600;color:var(--muted);z-index:1}
.step-n svg{width:16px;height:16px}
.step.done .step-n{background:var(--success);border-color:var(--success);color:#fff}
.step-body{flex:1;min-width:0;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:1.1rem 1.25rem;box-shadow:var(--shadow)}
.step-title{font-size:1rem;font-weight:600;margin-bottom:.4rem}
.code-box{display:flex;gap:.75rem;align-items:center;justify-content:space-between;background:#0F172A;color:#E2E8F0;border-radius:10px;padding:.7rem .9rem;overflow-x:auto}
.code-box code{color:#E2E8F0;white-space:pre;font-size:.82rem}
.code-box .btn{flex:none}
.plain-pre{white-space:pre-wrap;font-family:inherit;margin:0;color:var(--text)}
.nav-pills .nav-link{border-radius:8px;color:var(--muted)}.nav-pills .nav-link.active{background:#EFF6FF;color:var(--primary)}
.accordion-button:not(.collapsed){background:#F8FAFC;color:var(--primary);box-shadow:none}

/* Motion */
.page-fade{animation:fade .3s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.skeleton{background:linear-gradient(90deg,#EEF2F7 25%,#F8FAFC 37%,#EEF2F7 63%);background-size:400% 100%;animation:shimmer 1.4s infinite;border-radius:8px;min-height:1rem}
@keyframes shimmer{0%{background-position:100% 50%}100%{background-position:0 50%}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

@media (max-width:991.98px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:none;box-shadow:var(--shadow-h)}
  .sidebar-backdrop.show{display:block;position:fixed;inset:0;background:rgba(15,23,42,.4);z-index:1035}
  .main-col{margin-left:0}
  .topbar{padding:.6rem 1rem}.content{padding:1.25rem 1rem 3rem}
  .topbar-site .form-select,.topbar-range .form-select{min-width:130px}
}