:root {
  --fg:#111;
  --muted:#666;
  --bg:#f5f5f5;
  --card:#ffffff;
  --border:#e5e5e5;
  --accent:#f47b20;      /* oranje */
  --accent-dark:#d45f08;
  --danger:#d93025;      /* rood */
  --success:#0f9d58;     /* groen */
}

html,body{height:100%;scroll-behavior: smooth;}
body{
  margin:0;
  font:14px/1.4 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Arial;
  color:var(--fg);
  background:var(--bg);
}
.page{
  min-height:100vh;
  display:flex;
  flex-direction:column;
}

/* HEADER / BRAND / LOGO */
.header{
  background:rgba(0,0,0,0.85);
  color:#fff;
  padding:10px 0;
  position: sticky;
  top: 0;
  z-index: 999;
/*   box-shadow: 0 2px 6px rgba(0,0,0,0.25); */
  background:rgba(0,0,0,0.6);
  backdrop-filter: blur(6px);
}

#btnWifi { visibility: hidden; }

.header-inner{
  max-width:900px;
  margin:0 auto;
  padding:0 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
}
.logo-mark{
  width:32px;
  height:32px;
  border-radius:50%;
  background:radial-gradient(circle at 30% 30%, #ffe0c2 0, #f47b20 40%, #b54800 100%);
  box-shadow:0 0 0 2px rgba(255,255,255,.1);
}
.logo-img{
  height:55px;
}
.brand-text-main{
  font-size:18px;
  font-weight:600;
  letter-spacing:0.03em;
}
.brand-text-sub{
  font-size:11px;
  color:#f5f5f5;
  opacity:.75;
}
.header-right{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.status-pill{
  font-size:12px;
  padding:4px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.2);
  background:rgba(0,0,0,.2);
}

/* LAYOUT */
.device-table td:first-child{
  width: 150px;
  font-weight:600;
  color:var(--muted);
}
.device-table td:last-child{
  font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

#message{color:red;font-weight:800;text-align: center; display:none;}

.container{
  max-width:570px;
  margin:24px auto;
  padding:0 16px 24px;
  flex:1;
  box-sizing:border-box;
}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:14px;
  box-shadow:0 3px 10px rgba(0,0,0,.04);
  margin-bottom:18px;
}
.card-header{
  padding:14px 16px 10px;
  border-bottom:1px solid var(--border);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
}
.card-title{
  margin:0;
  font-size:15px;
  font-weight:600;
}
.card-body{
  padding:14px 16px 16px;
}

.row{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  align-items:center;
}

/* BUTTONS */
button{
  border-radius:999px;
  padding:8px 16px;
  cursor:pointer;
  font-size:13px;
  border:1px solid var(--border);
  background:#fff;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:background .15s ease, border-color .15s ease, transform .05s ease;
}
button:active{ transform:translateY(1px); }
button:disabled{
  opacity:.55;
  cursor:not-allowed;
  transform:none;
}
.btn-connect{
  background:var(--success);
  border-color:var(--success);
  color:#fff;
}
.btn-disconnect{
  background:var(--danger);
  border-color:var(--danger);
  color:#fff;
}
.btn-accent{
  background:var(--accent);
  border-color:var(--accent-dark);
  color:#fff;
}
.btn-outline{
  background:#fff;
  border-color:var(--border);
  color:var(--fg);
}
.btn-sm{
  padding:6px 12px;
  font-size:12px;
  border-radius:999px;
}

/* INPUTS / TABLE */
input,select{
  border:1px solid var(--border);
  border-radius:10px;
  padding:8px 10px;
  font-size:13px;
  font-family:inherit;
  box-sizing:border-box;
  width:100%;
}

table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  font-size:13px;
}
th,td{
  padding:8px 10px;
  border-bottom:1px solid var(--border);
  vertical-align:middle;
}
th{
  font-weight:600;
  text-align:left;
  background:#fcfcfc;
}
tbody tr:last-child td{ border-bottom:none; }
.mono{
  font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size:12px;
}

.muted{ color:var(--muted); }

.log{
  height:120px;
  overflow:auto;
  background:#0b1021;
  color:#d7e1ff;
  border-radius:10px;
  padding:8px;
  border:1px solid #10163a;
  font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size:11px;
  box-sizing:border-box;
}
.log-line{ white-space:pre-wrap; }
.log .rx{ color:#8ef; }
.log .tx{ color:#afffa5; }

.dirty-row input,
.dirty-row select{
  border-color:var(--accent);
  box-shadow:0 0 0 1px rgba(244,123,32,.2);
}

#card-wifi {display:none;}

.sys-json{
  height:350px;
  white-space:pre;
  overflow:auto;
  background:#111;
  color:#e5f3ff;
  border-radius:10px;
  padding:8px;
  border:1px solid #222;
  font-family:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size:11px;
  box-sizing:border-box;
}

.footer-note{
  font-size:11px;
  color:var(--muted);
  margin-top:6px;
}
.tag{
  font-size:11px;
  padding:2px 8px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(0,0,0,.15);
}