/* ===================================================================
   GSPE DCP — design system
   =================================================================== */
:root{
  --bg:#f5f7fa; --surface:#ffffff; --surface-2:#f8fafc; --border:#e6e9ef;
  --text:#0f172a; --muted:#64748b; --muted-2:#94a3b8;
  --primary:#1d4ed8; --primary-600:#2563eb; --primary-50:#eff4ff;
  --accent:#0ea5b7;
  --ok:#16a34a; --ok-bg:#dcfce7; --warn:#d97706; --warn-bg:#fef3c7;
  --crit:#dc2626; --crit-bg:#fee2e2; --info-bg:#e0f2fe; --info:#0369a1;
  --sidebar:#0b1220; --sidebar-2:#111a2e; --sidebar-text:#aeb9cc; --sidebar-active:#1d4ed8;
  --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.1);
  --shadow-lg:0 10px 24px rgba(16,24,40,.12);
  --radius:12px; --radius-sm:8px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
[data-theme="dark"]{
  --bg:#0a0f1a; --surface:#0f1726; --surface-2:#0c1422; --border:#1e293b;
  --text:#e6edf6; --muted:#94a3b8; --muted-2:#64748b;
  --primary-50:#10203f; --shadow:none; --shadow-lg:0 10px 30px rgba(0,0,0,.5);
  --sidebar:#070b14; --sidebar-2:#0c1322;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:var(--font);background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:650;letter-spacing:-.01em}
.muted{color:var(--muted)}
code.tag{font-family:'SF Mono',ui-monospace,'Cascadia Code',Menlo,Consolas,monospace;font-size:.82em;background:var(--surface-2);border:1px solid var(--border);padding:.05rem .35rem;border-radius:6px;color:var(--primary-600)}
i[data-lucide]{width:18px;height:18px;stroke-width:2}

/* ---------- layout ---------- */
.app{display:grid;grid-template-columns:248px 1fr;height:100vh;overflow:hidden}
.sidebar{background:var(--sidebar);color:var(--sidebar-text);display:flex;flex-direction:column;padding:14px 12px;gap:6px}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 14px}
.brand-mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--primary-600),var(--accent));color:#fff;display:grid;place-items:center;font-weight:800;font-size:13px;letter-spacing:.5px}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{color:#fff;font-size:15px}
.brand-text span{font-size:11px;color:var(--muted-2)}
.nav{display:flex;flex-direction:column;gap:3px;flex:1;overflow:auto}
.nav a{display:flex;align-items:center;gap:11px;padding:9px 11px;border-radius:9px;color:var(--sidebar-text);font-weight:500;font-size:13.5px;position:relative}
.nav a i{opacity:.85}
.nav a:hover{background:var(--sidebar-2);color:#fff}
.nav a.active{background:var(--sidebar-active);color:#fff;box-shadow:0 2px 8px rgba(29,78,216,.4)}
.nav a.active i{opacity:1}
.nav .nav-cta{margin-top:4px;background:rgba(14,165,183,.14);color:#9fe7f1;border:1px dashed rgba(14,165,183,.4)}
.nav .nav-cta:hover{background:rgba(14,165,183,.22);color:#cdf5fb}
.nav-sep{font-size:10.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted-2);padding:12px 11px 4px}
.nav-badge{margin-left:auto;background:var(--crit);color:#fff;font-size:11px;font-weight:700;border-radius:20px;padding:1px 7px;display:none}
.nav-badge.show{display:inline-block}
.sidebar-foot{border-top:1px solid rgba(255,255,255,.07);padding:12px 8px 4px;font-size:11.5px;color:var(--muted-2)}
.conn{display:flex;align-items:center;gap:7px;margin-bottom:4px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--muted-2)}
.dot.on{background:#22c55e;box-shadow:0 0 0 3px rgba(34,197,94,.18)}
.dot.off{background:var(--crit)}

.main{display:flex;flex-direction:column;min-width:0;height:100vh}
.topbar{height:60px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 22px;gap:16px;flex-shrink:0}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumbs .cur{color:var(--text);font-weight:650;font-size:16px}
.crumbs i{width:15px;height:15px;color:var(--muted-2)}
.topbar-actions{display:flex;align-items:center;gap:10px}
.search-box{display:flex;align-items:center;gap:8px;background:var(--surface-2);border:1px solid var(--border);border-radius:9px;padding:7px 11px;width:230px}
.search-box input{border:none;background:transparent;outline:none;color:var(--text);width:100%;font-size:13px}
.search-box i{color:var(--muted-2);width:16px;height:16px}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#334155,#0f172a);color:#fff;display:grid;place-items:center;font-size:12px;font-weight:700}
.content{padding:22px;overflow:auto;flex:1}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:9px;padding:8px 13px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit;transition:.15s;white-space:nowrap}
.btn:hover{border-color:var(--muted-2)}
.btn i{width:16px;height:16px}
.btn-primary{background:var(--primary-600);border-color:var(--primary-600);color:#fff}
.btn-primary:hover{background:var(--primary);border-color:var(--primary)}
.btn-ghost{background:transparent;border-color:transparent;padding:8px}
.btn-ghost:hover{background:var(--surface-2)}
.btn-sm{padding:5px 10px;font-size:12px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn.busy i{animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- cards / grid ---------- */
.row{display:flex;gap:16px;flex-wrap:wrap}
.grid{display:grid;gap:16px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-h{display:flex;align-items:center;justify-content:space-between;padding:15px 18px;border-bottom:1px solid var(--border)}
.card-h h3{font-size:14.5px}
.card-b{padding:18px}
.card-h .sub{font-size:12px;color:var(--muted)}

.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:18px}
.kpi{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.kpi .ic{width:36px;height:36px;border-radius:9px;display:grid;place-items:center;background:var(--primary-50);color:var(--primary-600);margin-bottom:12px}
.kpi .v{font-size:28px;font-weight:750;letter-spacing:-.02em;line-height:1}
.kpi .l{font-size:12.5px;color:var(--muted);margin-top:5px}
.kpi.crit .ic{background:var(--crit-bg);color:var(--crit)}
.kpi.ok .ic{background:var(--ok-bg);color:var(--ok)}
.kpi.accent .ic{background:#cffafe;color:var(--accent)}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:650;line-height:1.7}
.b-modbus{background:var(--info-bg);color:var(--info)}
.b-snmp{background:#dcfce7;color:#15803d}
.b-ok{background:var(--ok-bg);color:#15803d}
.b-warn{background:var(--warn-bg);color:#b45309}
.b-crit{background:var(--crit-bg);color:var(--crit)}
.b-gray{background:var(--surface-2);color:var(--muted);border:1px solid var(--border)}
.b-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;display:inline-block}

/* ---------- tables ---------- */
.table{width:100%;border-collapse:collapse;font-size:13px}
.table th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:650;padding:9px 14px;border-bottom:1px solid var(--border);background:var(--surface-2);position:sticky;top:0}
.table td{padding:10px 14px;border-bottom:1px solid var(--border)}
.table tr:last-child td{border-bottom:none}
.table tbody tr:hover{background:var(--surface-2)}
.table .num{text-align:right;font-variant-numeric:tabular-nums;font-weight:650}
.table .domrow td{background:var(--surface-2);font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.tablewrap{overflow:auto;border-radius:var(--radius)}
.link{color:var(--primary-600);cursor:pointer;font-weight:600}
.link:hover{text-decoration:underline}

/* ---------- product cards ---------- */
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.pcard{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);cursor:pointer;transition:.15s}
.pcard:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);border-color:var(--primary-600)}
.pcard .ph{display:flex;justify-content:space-between;align-items:start;margin-bottom:10px}
.pcard h4{font-size:16px}
.pcard .meta{font-size:12.5px;color:var(--muted);margin-bottom:12px}
.pcard .ft{display:flex;gap:14px;font-size:12px;color:var(--muted);border-top:1px solid var(--border);padding-top:10px}
.pcard .ft b{color:var(--text)}

/* ---------- charts ---------- */
.chartbox{position:relative;height:240px}
.chartbox.sm{height:180px}

/* ---------- key/value ---------- */
.kv{display:grid;grid-template-columns:150px 1fr;gap:9px 14px;font-size:13px}
.kv .k{color:var(--muted)}
.chain{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:6px 0 16px}
.chain .step{background:var(--surface-2);border:1px solid var(--border);border-radius:7px;padding:5px 9px;font-size:11.5px;font-weight:600}
.chain i{width:14px;height:14px;color:var(--muted-2)}

/* ---------- stepper / wizard ---------- */
.stepper{display:flex;gap:0;margin-bottom:22px}
.stepper .s{flex:1;display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--border);background:var(--surface);position:relative}
.stepper .s:first-child{border-radius:var(--radius) 0 0 var(--radius)}
.stepper .s:last-child{border-radius:0 var(--radius) var(--radius) 0}
.stepper .n{width:26px;height:26px;border-radius:50%;background:var(--surface-2);color:var(--muted);display:grid;place-items:center;font-weight:700;font-size:12px;border:1px solid var(--border)}
.stepper .s.active{background:var(--primary-50);border-color:var(--primary-600)}
.stepper .s.active .n{background:var(--primary-600);color:#fff;border-color:var(--primary-600)}
.stepper .s.done .n{background:var(--ok);color:#fff;border-color:var(--ok)}
.stepper .s .lab{font-size:12.5px;font-weight:650}
.stepper .s .lab small{display:block;color:var(--muted);font-weight:500}
.seg{display:inline-flex;background:var(--surface-2);border:1px solid var(--border);border-radius:9px;padding:3px;gap:3px}
.seg button{border:none;background:transparent;color:var(--muted);padding:8px 16px;border-radius:7px;font-weight:650;cursor:pointer;font-size:13px;font-family:inherit}
.seg button.on{background:var(--surface);color:var(--primary-600);box-shadow:var(--shadow)}

/* ---------- forms ---------- */
.field{display:flex;flex-direction:column;gap:5px;margin-bottom:4px}
.field label{font-size:12px;font-weight:650;color:var(--text)}
.field .hint{font-size:11.5px;color:var(--muted);font-weight:400}
input,select,textarea{font-family:inherit;font-size:13.5px;padding:9px 11px;border:1px solid var(--border);border-radius:9px;background:var(--surface);color:var(--text);outline:none;width:100%}
input:focus,select:focus{border-color:var(--primary-600);box-shadow:0 0 0 3px var(--primary-50)}
.formgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}

/* ---------- configurator checklist ---------- */
.cfg-qwrap{display:flex;flex-direction:column;gap:16px}
.cfg-qsection{border:1px solid var(--border);border-radius:10px;background:var(--surface-2);overflow:hidden}
.cfg-qhead{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 14px;border-bottom:1px solid var(--border);background:var(--surface)}
.cfg-qhead h4{font-size:13.5px;margin:0}
.cfg-qhead .sub{font-size:11.5px;color:var(--muted);white-space:nowrap}
.cfg-qgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--border)}
.cfg-qitem{display:grid;grid-template-rows:auto 1fr;gap:10px;min-height:126px;padding:14px;background:var(--surface)}
.cfg-qitem.wide{grid-column:1/-1;min-height:0}
.cfg-qlabel{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.cfg-qlabel label{font-size:13px;font-weight:700;line-height:1.35;color:var(--text)}
.cfg-qlabel .req{color:var(--crit);font-weight:800}
.cfg-role{flex:0 0 auto;font-size:11px;color:var(--muted);background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:3px 8px;white-space:nowrap}
.cfg-qcontrol{align-self:end}
.cfg-qcontrol input,.cfg-qcontrol select{min-height:38px}
.checkgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px}
.checkgrid label{display:flex;align-items:center;gap:8px;min-height:34px;padding:7px 9px;border:1px solid var(--border);border-radius:8px;background:var(--surface-2);font-size:12.5px;font-weight:600;color:var(--text)}
.checkgrid input{width:auto;margin:0;accent-color:var(--primary-600)}

/* ---------- drawer ---------- */
.drawer-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.4);opacity:0;pointer-events:none;transition:.2s;z-index:40}
.drawer-backdrop.show{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;height:100vh;width:460px;max-width:92vw;background:var(--surface);border-left:1px solid var(--border);box-shadow:var(--shadow-lg);transform:translateX(100%);transition:.25s cubic-bezier(.4,0,.2,1);z-index:50;display:flex;flex-direction:column}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.drawer-body{padding:20px;overflow:auto}

/* ---------- toast ---------- */
.toast{position:fixed;bottom:22px;right:22px;background:#0f172a;color:#fff;padding:12px 16px;border-radius:11px;box-shadow:var(--shadow-lg);opacity:0;transform:translateY(8px);transition:.25s;pointer-events:none;z-index:60;max-width:440px;font-size:13px;display:flex;align-items:center;gap:9px}
.toast.show{opacity:1;transform:none}
.toast.ok{background:#065f46}.toast.err{background:#7f1d1d}

/* ---------- misc ---------- */
.section-title{display:flex;align-items:center;justify-content:space-between;margin:4px 0 14px}
.section-title h2{font-size:18px}
.empty{text-align:center;color:var(--muted);padding:40px}
.spin-load{padding:50px;text-align:center;color:var(--muted)}
.toolbar{display:flex;gap:10px;align-items:center;margin-bottom:16px;flex-wrap:wrap}
.toolbar .grow{flex:1}
.pill{font-size:12px;color:var(--muted);background:var(--surface-2);border:1px solid var(--border);padding:4px 10px;border-radius:20px}
@media(max-width:880px){.app{grid-template-columns:64px 1fr}.brand-text,.nav span:not(.nav-badge),.nav-sep,.sidebar-foot{display:none}.nav a{justify-content:center}}
@media(max-width:760px){.cfg-qgrid{grid-template-columns:1fr}.cfg-qhead{align-items:flex-start;flex-direction:column}.cfg-role{white-space:normal}.cfg-qlabel{flex-direction:column;gap:6px}.checkgrid{grid-template-columns:1fr}}