:root{
  --bg: #100b1e;
  --bg-panel: #170f2a;
  --bg-module: #1c1333;
  --bg-module-raised: #23193d;
  --bg-inset: #0d0918;
  --line: #372a54;
  --line-bright: #4f3c78;
  --ink: #e7e2f6;
  --ink-dim: #a99cc9;
  --ink-faint: #6e6094;
  --accent: #9376e0;
  --accent-bright: #b79bfa;
  --blue: #6f93e0;
  --green: #7fd9ab;
  --green-bright: #a3f0c7;
  --amber: #e0b45c;
  --red: #e0637e;
  --font-display: 'Big Shoulders Stencil', 'Arial Narrow', sans-serif;
  --font-body: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', 'Courier New', monospace;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at center, rgba(255,255,255,.045) 1px, transparent 1.5px);
  background-size: 24px 24px;
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
}

h1,h2,h3{font-family:var(--font-display); margin:0; text-wrap:balance;}
a{color:var(--accent-bright);}
.mono-accent{font-family:var(--font-mono); color:var(--accent-bright);}

.page{max-width:1360px; margin:0 auto; padding: 48px 24px 90px;}

/* ---------- Masthead ---------- */
.masthead{
  position:relative;
  border:1px solid var(--line);
  border-radius:8px;
  background: linear-gradient(180deg, var(--bg-module-raised), var(--bg-module));
  padding: 30px 30px 26px;
  box-shadow: 0 1px 0 rgba(255,255,255,.03) inset, 0 14px 30px -18px rgba(0,0,0,.75);
}
.masthead__row{display:flex; align-items:flex-end; justify-content:space-between; gap:24px; flex-wrap:wrap;}
.masthead__title{
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  text-transform:uppercase;
  letter-spacing: .03em;
  color: var(--accent-bright);
  font-weight:800;
  line-height:.92;
}
.masthead__title small{
  display:block;
  font-family:var(--font-mono);
  font-size: .34em;
  letter-spacing: .3em;
  color: var(--ink-faint);
  text-transform:uppercase;
  font-weight:400;
  margin-bottom:.4em;
}
.masthead__sub{
  max-width: 46ch;
  color: var(--ink-dim);
  font-size: .98rem;
  margin-top:10px;
}
.power{display:flex; align-items:center; gap:10px; font-family:var(--font-mono); font-size:.7rem; letter-spacing:.12em; text-transform:uppercase; color:var(--ink-faint);}
.power__dots{display:flex; gap:6px;}

/* ---------- LEDs ---------- */
.led{width:8px; height:8px; border-radius:50%; background:var(--ink-faint); box-shadow:0 0 0 2px rgba(0,0,0,.35) inset; flex:none;}
.led--idle{background:var(--amber); box-shadow:0 0 7px rgba(224,180,92,.65);}
.led--good{background:var(--green); box-shadow:0 0 7px rgba(127,217,171,.75);}
.led--bad{background:var(--red); box-shadow:0 0 7px rgba(224,99,126,.75);}
@media (prefers-reduced-motion: no-preference){
  .led--idle, .led--good{animation: glow 2.6s ease-in-out infinite;}
}
@keyframes glow{ 0%,100%{filter:brightness(1);} 50%{filter:brightness(1.35);} }

/* ---------- Network panel (IP & Sporing) ---------- */
.net-panel{
  position:relative;
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,.014) 0 2px, transparent 2px 5px),
    linear-gradient(180deg, var(--bg-module-raised), var(--bg-module));
  border:1px solid var(--line);
  border-radius:7px;
  padding: 28px 26px 24px;
  margin-top: 28px;
  box-shadow: 0 1px 0 rgba(255,255,255,.03) inset, 0 12px 28px -18px rgba(0,0,0,.7);
}
.ip-readout{
  display:flex; flex-direction:column; gap:4px;
  padding:14px 16px; margin-bottom:16px;
  border:1px solid var(--line); border-radius:5px; background:var(--bg-inset);
}
.ip-readout__label{font-size:.68rem; text-transform:uppercase; letter-spacing:.09em; color:var(--ink-dim); font-weight:600;}
.ip-readout__value{font-family:var(--font-mono); font-size:1.8rem; color:var(--accent-bright); letter-spacing:.02em; font-variant-numeric:tabular-nums; word-break:break-all;}
.ip-stats{grid-template-columns:repeat(4,1fr);}
@media (max-width:760px){ .ip-stats{grid-template-columns:repeat(2,1fr);} }

/* ---------- Grid & modules ---------- */
.grid{
  display:grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 22px;
  margin-top: 22px;
}

.module{
  position:relative;
  background:
    repeating-linear-gradient(135deg, rgba(255,255,255,.012) 0 2px, transparent 2px 5px),
    linear-gradient(180deg, var(--bg-module-raised), var(--bg-module));
  border:1px solid var(--line);
  border-radius:7px;
  padding: 30px 20px 22px;
  box-shadow: 0 1px 0 rgba(255,255,255,.03) inset, 0 10px 24px -16px rgba(0,0,0,.65);
  opacity:0; transform:translateY(10px);
  animation: fadeInUp .5s ease both;
}
@media (prefers-reduced-motion: reduce){ .module{ animation:none; opacity:1; transform:none; } }
@keyframes fadeInUp{ to{ opacity:1; transform:none; } }
.grid .module:nth-child(1){animation-delay:.02s;} .grid .module:nth-child(2){animation-delay:.06s;}
.grid .module:nth-child(3){animation-delay:.10s;} .grid .module:nth-child(4){animation-delay:.14s;}
.grid .module:nth-child(5){animation-delay:.18s;} .grid .module:nth-child(6){animation-delay:.22s;}
.grid .module:nth-child(7){animation-delay:.26s;} .grid .module:nth-child(8){animation-delay:.30s;}
.grid .module:nth-child(9){animation-delay:.34s;} .grid .module:nth-child(10){animation-delay:.38s;}
.grid .module:nth-child(11){animation-delay:.42s;} .grid .module:nth-child(12){animation-delay:.46s;}

.screw{position:absolute; width:8px; height:8px; border-radius:50%;
  background: radial-gradient(circle at 35% 30%, #d3d6f2, #7d82ab 55%, #383a5c 100%);
  box-shadow: 0 1px 1px rgba(0,0,0,.6) inset;
}
.screw::after{content:""; position:absolute; top:48%; left:14%; right:14%; height:1px; background:rgba(20,17,34,.85); transform:rotate(38deg);}
.screw--tl{top:9px; left:9px;} .screw--tr{top:9px; right:9px;}
.screw--bl{bottom:9px; left:9px;} .screw--br{bottom:9px; right:9px;}

.module__bar{display:flex; align-items:center; gap:9px; margin-bottom:18px; padding-bottom:12px; border-bottom:1px solid var(--line);}
.module__index{font-family:var(--font-mono); font-size:.68rem; color:var(--ink-faint); letter-spacing:.05em;}
.module__title{font-family:var(--font-display); font-weight:700; font-size:1.32rem; letter-spacing:.03em; text-transform:uppercase; color:var(--accent-bright); flex:1;}

/* ---------- Form elements ---------- */
.field{display:flex; flex-direction:column; gap:6px; margin-bottom:13px;}
.row{display:flex; gap:10px;}
.row > *{flex:1; min-width:0;}
label{font-family:var(--font-body); font-size:.68rem; text-transform:uppercase; letter-spacing:.09em; color:var(--ink-dim); font-weight:600;}
.hint{font-family:var(--font-mono); font-size:.72rem; color:var(--ink-faint);}

input[type=text], input[type=number], input[type=search], input[type=datetime-local],
textarea, select{
  width:100%;
  background: var(--bg-inset);
  border:1px solid var(--line);
  border-radius:4px;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size:.86rem;
  padding: 8px 10px;
  font-variant-numeric: tabular-nums;
}
textarea{resize:vertical; min-height:76px; line-height:1.5;}
select{appearance:none; background-image: linear-gradient(45deg, transparent 50%, var(--accent) 50%), linear-gradient(135deg, var(--accent) 50%, transparent 50%); background-position: calc(100% - 16px) center, calc(100% - 11px) center; background-size:5px 5px, 5px 5px; background-repeat:no-repeat; padding-right:28px;}
input[type=color]{-webkit-appearance:none; appearance:none; width:38px; height:34px; border:1px solid var(--line); border-radius:4px; background:none; padding:2px; flex:none;}
input[type=range]{width:100%; accent-color: var(--accent);}
input:focus-visible, textarea:focus-visible, select:focus-visible, button:focus-visible{
  outline:2px solid var(--accent); outline-offset:2px;
}
output, .readout{
  display:block; width:100%; background:var(--bg-inset); border:1px solid var(--line); border-radius:4px;
  padding:8px 10px; font-family:var(--font-mono); font-size:.86rem; color:var(--accent-bright);
  word-break:break-all; font-variant-numeric: tabular-nums;
}

.btn{
  font-family:var(--font-body); font-weight:600; font-size:.74rem; text-transform:uppercase; letter-spacing:.07em;
  background: linear-gradient(180deg,#2f2350,#211937);
  border:1px solid var(--line-bright); color:var(--accent-bright);
  padding:9px 14px; border-radius:4px; cursor:pointer;
}
.btn:hover{border-color:var(--accent);}
.btn:active{transform:translateY(1px);}
.btn.is-copied{color:var(--green-bright); border-color:var(--green);}
.btn-row{display:flex; gap:8px; flex-wrap:wrap; margin-top:4px;}
.btn--ghost{background:transparent;}
.btn--small{padding:6px 10px; font-size:.68rem;}
.btn--icon{padding:8px 10px; flex:none;}

.checks{display:flex; flex-wrap:wrap; gap:10px 16px; margin-bottom:14px;}
.check{display:flex; align-items:center; gap:6px; font-family:var(--font-mono); font-size:.78rem; color:var(--ink-dim);}
.check input{accent-color:var(--accent); width:14px; height:14px;}

.swatches{display:grid; grid-template-columns:repeat(5,1fr); gap:6px; margin-bottom:12px;}
.swatch{border:1px solid var(--line); border-radius:4px; height:56px; cursor:pointer; position:relative; overflow:hidden;}
.swatch span{position:absolute; left:0; right:0; bottom:0; font-family:var(--font-mono); font-size:.62rem; text-align:center; padding:3px 0; background:rgba(0,0,0,.55); color:#fff; letter-spacing:.02em;}

.stat-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:8px 14px; margin-top:6px;}
.stat{display:flex; flex-direction:column; gap:2px; min-width:0;}
.stat b{font-family:var(--font-mono); font-size:1.2rem; color:var(--accent-bright); font-variant-numeric:tabular-nums; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;}
.stat span{font-size:.66rem; text-transform:uppercase; letter-spacing:.07em; color:var(--ink-faint);}

.badges{display:flex; gap:6px; flex-wrap:wrap; margin-top:10px;}
.badge{font-family:var(--font-mono); font-size:.66rem; padding:4px 8px; border-radius:3px; border:1px solid var(--line-bright); letter-spacing:.03em;}
.badge--pass{color:var(--green-bright); border-color:var(--green);}
.badge--fail{color:var(--red); border-color:var(--red);}

.contrast-preview{border:1px solid var(--line); border-radius:4px; padding:16px; font-family:var(--font-body); font-size:.9rem; text-align:center; margin-bottom:10px;}

.dice-out{display:flex; gap:6px; flex-wrap:wrap; margin:10px 0;}
.die{width:34px; height:34px; border:1px solid var(--line-bright); border-radius:5px; display:flex; align-items:center; justify-content:center; font-family:var(--font-mono); font-size:.85rem; color:var(--ink); background:var(--bg-inset); transition:transform .18s ease;}

.clock{font-family:var(--font-mono); font-size:1.5rem; color:var(--accent-bright); letter-spacing:.02em; font-variant-numeric:tabular-nums;}
.clock-sub{font-family:var(--font-mono); font-size:.72rem; color:var(--ink-faint); margin-top:2px;}

.error-text{font-family:var(--font-mono); font-size:.74rem; color:var(--red); min-height:1.2em;}

footer{margin-top:56px; padding-top:22px; border-top:1px solid var(--line); display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px; font-family:var(--font-mono); font-size:.72rem; color:var(--ink-faint); letter-spacing:.03em;}

@media (max-width:600px){
  .page{padding:32px 16px 70px;}
  .masthead{padding:22px 18px 20px;}
  .net-panel{padding:22px 18px 20px;}
  .stat-grid, .ip-stats{grid-template-columns:repeat(2,1fr);}
}