:root{
  --bg:#f4f7fb;
  --card:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --line:#e5e7eb;
  --green:#20c56b;
  --green-dark:#11994f;
  --blue:#2563eb;
  --amber:#f59e0b;
  --red:#ef4444;
  --soft-green:#e9fbf1;
  --soft-blue:#eef4ff;
  --shadow:0 18px 50px rgba(15,23,42,.08);
  --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Poppins,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px}
button,input{font-family:inherit}
button{font-weight:500}
a{text-decoration:none;color:inherit}

.login-page{min-height:100vh;overflow:hidden;background:#081b16;color:#fff;display:grid;place-items:center;padding:26px;position:relative}
.login-bg span{position:absolute;border-radius:999px;filter:blur(10px);opacity:.65}
.login-bg span:nth-child(1){width:420px;height:420px;background:#20c56b;right:-110px;top:-80px}
.login-bg span:nth-child(2){width:360px;height:360px;background:#2563eb;left:-120px;bottom:-90px}
.login-bg span:nth-child(3){width:200px;height:200px;background:#f59e0b;right:22%;bottom:12%}
.login-shell{width:min(980px,100%);display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center;position:relative;z-index:1}
.login-info{padding:28px}
.brand-lockup{display:flex;gap:18px;align-items:center;margin-bottom:34px}
.brand-icon,.mini-logo{width:58px;height:58px;border-radius:18px;background:rgba(255,255,255,.14);display:grid;place-items:center;font-size:30px;color:#fff;border:1px solid rgba(255,255,255,.22)}
.brand-lockup h1{margin:0;font-size:34px;line-height:1.1;font-weight:600;letter-spacing:-.03em}
.brand-lockup p,.auth-header p{margin:8px 0 0;color:rgba(255,255,255,.72)}
.feature-list{display:grid;gap:14px;max-width:430px}
.feature-list div{display:flex;align-items:center;gap:12px;padding:14px 16px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:14px;backdrop-filter:blur(10px)}
.feature-list i{color:#65f09e}
.auth-card{background:rgba(255,255,255,.95);color:var(--text);border-radius:24px;padding:30px;box-shadow:0 30px 80px rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.7)}
.auth-header{text-align:center;margin-bottom:24px}.auth-header .mini-logo{margin:0 auto 14px;background:linear-gradient(135deg,var(--green),var(--blue));border:0}.auth-header h2{margin:0;font-size:26px}.auth-header p{color:var(--muted)}
.field-label{font-weight:500;display:block;margin:14px 0 8px}.input-wrap{position:relative}.input-wrap>i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:#9ca3af}.input-wrap input{padding-left:42px;padding-right:48px}
input{width:100%;border:1px solid #d8dee8;border-radius:12px;padding:12px 14px;outline:none;background:#fff;color:var(--text);transition:.18s}
input:focus{border-color:var(--green);box-shadow:0 0 0 4px rgba(32,197,107,.14)}
.icon-btn.inside{position:absolute;right:8px;top:50%;transform:translateY(-50%);background:transparent;color:#6b7280;border:0;width:34px;height:34px;border-radius:10px;cursor:pointer}
.primary-btn,.light-btn,.action-btn,.side-logout button{border:0;border-radius:12px;padding:11px 14px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.18s;white-space:nowrap;font-weight:500}
.primary-btn{background:linear-gradient(135deg,var(--green),var(--green-dark));color:#fff;box-shadow:0 10px 22px rgba(32,197,107,.22)}.primary-btn:hover{transform:translateY(-1px)}.primary-btn.full{width:100%;margin-top:18px;padding:13px 16px}.light-btn{background:#f3f6fb;color:#111827;border:1px solid var(--line)}
.auth-note{text-align:center;color:var(--muted);margin:18px 0 0;font-size:12px}
.alert{padding:13px 15px;border-radius:13px;margin-bottom:16px;background:#dcfce7;color:#166534;border:1px solid #bbf7d0;display:flex;gap:10px;align-items:center}.alert.bad{background:#fee2e2;color:#991b1b;border-color:#fecaca}

.app-body{display:grid;grid-template-columns:270px 1fr;min-height:100vh}.sidebar{background:#071711;color:#fff;position:sticky;top:0;height:100vh;padding:22px;display:flex;flex-direction:column}.side-brand{display:flex;gap:12px;align-items:center;padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.1)}.side-brand span{width:46px;height:46px;border-radius:15px;background:linear-gradient(135deg,var(--green),#128c7e);display:grid;place-items:center;font-size:24px}.side-brand b{display:block;font-weight:600}.side-brand small{color:rgba(255,255,255,.62)}.sidebar nav{display:grid;gap:8px;margin-top:24px}.sidebar nav a,.side-logout button{color:rgba(255,255,255,.72);padding:12px 14px;border-radius:13px;background:transparent;text-align:left;justify-content:flex-start}.sidebar nav a:hover,.sidebar nav a.active,.side-logout button:hover{background:rgba(255,255,255,.1);color:#fff}.sidebar nav i{width:20px}.side-logout{margin-top:auto}.side-logout button{width:100%}
.content{padding:30px;max-width:1380px;width:100%}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.eyebrow{margin:0 0 4px;color:var(--green-dark);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.08em}.page-header h1{margin:0;font-size:34px;letter-spacing:-.03em}.user-chip{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px 14px;box-shadow:var(--shadow)}.user-chip span{width:42px;height:42px;border-radius:14px;background:var(--soft-green);color:var(--green-dark);display:grid;place-items:center}.user-chip b,.user-chip small{display:block}.user-chip small{color:var(--muted)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px}.stat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.stat-icon{width:46px;height:46px;border-radius:15px;background:var(--soft-blue);color:var(--blue);display:grid;place-items:center;font-size:18px;margin-bottom:14px}.stat-icon.green{background:var(--soft-green);color:var(--green-dark)}.stat-icon.amber{background:#fff7e6;color:var(--amber)}.stat-icon.red{background:#fff1f1;color:var(--red)}.stat-card p{margin:0;color:var(--muted)}.stat-card h3{font-size:30px;margin:6px 0 0;font-weight:600}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:18px;box-shadow:var(--shadow)}.panel-head{margin-bottom:18px}.panel-head.between{display:flex;align-items:center;justify-content:space-between;gap:16px}.panel-head h2{margin:0;font-size:20px}.panel-head h2 i{color:var(--green-dark)}.panel-head p{margin:6px 0 0;color:var(--muted)}.badge-soft{background:var(--soft-green);color:var(--green-dark);border-radius:999px;padding:8px 12px;font-weight:500}
.client-form{display:grid;grid-template-columns:1fr 1fr 1.2fr auto auto;gap:12px;align-items:end}.client-form label{display:block;margin-bottom:8px;color:#374151;font-weight:500;font-size:13px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}.modern-table{width:100%;border-collapse:separate;border-spacing:0}.modern-table th{background:#f8fafc;color:#64748b;font-size:12px;text-transform:uppercase;letter-spacing:.04em;text-align:left}.modern-table th,.modern-table td{padding:15px;border-bottom:1px solid var(--line);vertical-align:middle}.modern-table tr:last-child td{border-bottom:0}.client-cell{display:flex;gap:12px;align-items:center}.client-avatar{width:42px;height:42px;border-radius:14px;background:var(--soft-green);color:var(--green-dark);display:grid;place-items:center;font-size:22px}.client-cell b,.client-cell small{display:block}.client-cell small{color:var(--muted)}
.pill{display:inline-flex;align-items:center;gap:7px;border-radius:999px;padding:7px 11px;background:#f1f5f9;color:#475569;font-size:12px;font-weight:600}.pill.connected{background:#dcfce7;color:#166534}.pill.qr{background:#fef3c7;color:#92400e}.pill.disconnected,.pill.logged_out{background:#fee2e2;color:#991b1b}.pill.starting{background:#dbeafe;color:#1e40af}
.code-box{display:flex;align-items:center;gap:8px;background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:8px 10px;margin:4px 0;max-width:420px}.code-box code{font-size:12px;color:#334155;overflow:hidden;text-overflow:ellipsis}.copy-btn{margin-left:auto;border:0;background:#eaf8f0;color:var(--green-dark);border-radius:8px;width:30px;height:30px;cursor:pointer}.action-group{display:flex;gap:7px;flex-wrap:wrap}.action-group form{margin:0}.action-btn{border:1px solid var(--line);background:#fff;color:#111827;padding:9px 11px;font-size:12px}.action-btn.green{background:var(--soft-green);border-color:#c9f5db;color:var(--green-dark)}.action-btn.amber{background:#fff7e6;border-color:#fde68a;color:#92400e}.action-btn.red{background:#fff1f1;border-color:#fecaca;color:#991b1b}.empty-state{text-align:center;padding:42px!important;color:var(--muted)}.empty-state i{font-size:32px;display:block;margin-bottom:10px}.empty-state b,.empty-state span{display:block}.toast{position:fixed;right:22px;bottom:22px;background:#071711;color:#fff;border-radius:13px;padding:12px 16px;display:flex;align-items:center;gap:10px;box-shadow:var(--shadow);opacity:0;transform:translateY(14px);pointer-events:none;transition:.18s}.toast.show{opacity:1;transform:translateY(0)}

.qr-page{min-height:100vh;background:radial-gradient(circle at top right,#dffceb 0,#f4f7fb 35%,#f4f7fb 100%);display:grid;place-items:center;padding:24px}.qr-shell{width:min(620px,100%)}.qr-card{background:#fff;border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:0 22px 70px rgba(15,23,42,.12)}.qr-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.back-link{display:inline-flex;gap:8px;align-items:center;color:var(--muted);font-weight:500}.qr-title{display:flex;gap:14px;align-items:center;margin-bottom:20px}.qr-title span{width:58px;height:58px;border-radius:18px;background:var(--soft-green);color:var(--green-dark);display:grid;place-items:center;font-size:34px}.qr-title h1{margin:0;font-size:26px}.qr-title p{margin:3px 0 0;color:var(--muted)}.connected-box{display:flex;gap:12px;align-items:center;background:var(--soft-green);border:1px solid #c9f5db;border-radius:16px;padding:14px;margin-bottom:18px}.connected-box i{color:var(--green-dark);font-size:22px}.connected-box small,.connected-box b{display:block}.connected-box small{color:var(--muted)}.qr-frame{background:#f8fafc;border:1px solid var(--line);border-radius:22px;padding:18px;text-align:center}.qr{width:330px;max-width:100%;border-radius:18px;background:#fff;padding:10px}.steps{display:grid;gap:10px;margin-top:18px}.steps div{display:flex;align-items:center;gap:10px;color:#475569}.steps b{width:28px;height:28px;border-radius:999px;background:var(--green);color:#fff;display:grid;place-items:center;font-size:13px}.waiting-box{text-align:center;padding:38px 18px;color:var(--muted)}.waiting-box i{font-size:42px;color:var(--green-dark);margin-bottom:12px}.waiting-box h2{color:var(--text);margin:0 0 8px}

@media(max-width:980px){.login-shell{grid-template-columns:1fr}.login-info{display:none}.app-body{grid-template-columns:1fr}.sidebar{position:relative;height:auto}.sidebar nav{grid-template-columns:repeat(2,1fr)}.side-logout{margin-top:16px}.content{padding:20px}.stats-grid{grid-template-columns:repeat(2,1fr)}.client-form{grid-template-columns:1fr}.page-header{align-items:flex-start;gap:14px;flex-direction:column}}
@media(max-width:560px){.stats-grid{grid-template-columns:1fr}.panel{padding:16px}.page-header h1{font-size:28px}.sidebar nav{grid-template-columns:1fr}.auth-card{padding:24px}.qr-card{padding:18px}.panel-head.between{align-items:flex-start;flex-direction:column}}
.device-form{grid-template-columns:minmax(260px,1fr) auto;max-width:720px}
.action-btn.dark{background:#0f172a;border-color:#0f172a;color:#fff}
.action-btn.dark:hover{background:#111827}
.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.55);display:none;align-items:center;justify-content:center;padding:20px;z-index:80;backdrop-filter:blur(4px)}
.modal-backdrop.show{display:flex}
.credential-modal{width:min(620px,100%);background:#fff;border-radius:18px;border:1px solid var(--line);box-shadow:0 28px 90px rgba(15,23,42,.28);padding:20px}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:16px;border-bottom:1px solid var(--line);padding-bottom:14px}
.modal-head h3{margin:0;font-size:20px}.modal-head h3 i{color:var(--green-dark)}.modal-head p{margin:5px 0 0;color:var(--muted)}
.modal-head button{width:38px;height:38px;border:0;border-radius:12px;background:#f1f5f9;color:#334155;cursor:pointer}
.cred-field{margin-top:13px}.cred-field label{display:block;font-weight:500;color:#374151;margin-bottom:8px}.code-box.big{max-width:none;margin:0;padding:11px 12px}.code-box.big code{white-space:pre-wrap;word-break:break-all;font-size:12px}
@media(max-width:980px){.device-form{grid-template-columns:1fr}}

/* v2 client flow + docs polish */
:root{--radius:10px}
body{font-family:Poppins,Arial,sans-serif;background:#f4f7fb;color:#0f172a}
a{text-decoration:none}.content{padding:26px}.sidebar{padding:18px}.side-brand span{border-radius:10px}.sidebar nav a,.side-logout button,.primary-btn,.light-btn,.action-btn,.user-chip,.stat-card,.panel,.table-wrap,.client-avatar,.stat-icon,.code-box,.alert,.credential-modal,.modal-head button,.info-box{border-radius:8px!important}.stats-grid.two{grid-template-columns:repeat(2,1fr)}.client-form.compact{grid-template-columns:minmax(260px,420px) auto;max-width:620px}.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.info-box{background:#f8fafc;border:1px solid var(--line);padding:14px}.info-box b,.info-box code{display:block}.info-box b{font-size:13px;color:#475569;margin-bottom:6px}.info-box code{font-size:13px;color:#0f172a;word-break:break-all}.docs-content .panel{margin-bottom:16px}.docs-content pre{background:#071711;color:#e2ffe8;border:1px solid rgba(255,255,255,.08);border-radius:8px;padding:14px;overflow:auto;font-size:13px;line-height:1.7}.docs-content code{font-family:Consolas,Monaco,monospace}.pagination{display:flex;gap:7px;flex-wrap:wrap;margin-top:16px}.pagination a{width:36px;height:36px;border-radius:8px;border:1px solid var(--line);background:#fff;color:#334155;display:grid;place-items:center;font-weight:500}.pagination a.active{background:var(--green);color:#fff;border-color:var(--green)}.modern-table th,.modern-table td{padding:13px}.panel{padding:18px}.page-header h1{font-weight:600}.stat-card h3{font-weight:600}.action-group{gap:6px}.credential-modal{border-radius:10px!important}.modal-backdrop{backdrop-filter:none}.badge-soft{border-radius:8px}.pill{border-radius:8px}.auth-card,.login-info{border-radius:10px!important}.qr-card,.qr-frame,.connected-box{border-radius:10px!important}
@media(max-width:980px){.stats-grid.two,.info-grid{grid-template-columns:1fr}.client-form.compact{grid-template-columns:1fr}.content{padding:18px}}