:root{
  --bg:#0b0f14;
  --muted:#8aa0b6;
  --text:#e8f0fa;
  --line:#1d2a3a;
  --ok:#2ecc71;
  --warn:#f1c40f;
  --bad:#e74c3c;
  --btn:#1f6feb;

  --cardbg: rgba(16,24,35,0.85);
  --panelbg:#0c121b;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background:radial-gradient(1200px 700px at 25% 0%, #0f1622 0%, var(--bg) 55%);
  color:var(--text);
  font-family:system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

/* Slightly tighter, more “EFB” feel */
.shell{
  max-width:980px;
  margin:0 auto;
  padding:18px;
  display:flex;
  flex-direction:column;
  gap:14px;
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:16px;
  background:rgba(16,24,35,0.65);
  backdrop-filter: blur(10px);
}

.brand__title{
  font-weight:900;
  letter-spacing:0.6px;
}
.brand__subtitle{
  color:var(--muted);
  font-size:13px;
  margin-top:2px;
}

.status{
  padding:8px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--muted);
  font-weight:800;
  font-size:12px;
  letter-spacing:0.5px;
  min-width:84px;
  text-align:center;
}
.status.ok{ color: var(--ok); border-color: rgba(46,204,113,0.35); }
.status.warn{ color: var(--warn); border-color: rgba(241,196,15,0.35); }
.status.bad{ color: var(--bad); border-color: rgba(231,76,60,0.35); }

.card{
  border:1px solid var(--line);
  border-radius:16px;
  padding:16px;
  background:var(--cardbg);
}

/* Stronger section headers */
h2{
  margin:0 0 12px 0;
  font-size:14px;
  letter-spacing:0.7px;
  text-transform:uppercase;
  color:rgba(232,240,250,0.92);
}

/* INPUT GRID */
.grid{
  display:grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap:10px;
}
@media (max-width:900px){
  .grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width:520px){
  .grid{ grid-template-columns: 1fr; }
}

.field span{
  display:block;
  color:var(--muted);
  font-size:12px;
  margin:0 0 6px 2px;
}
.field input{
  width:100%;
  padding:11px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--panelbg);
  color:var(--text);
  outline:none;
  font-weight:700;
}
.field input::placeholder{
  color:rgba(138,160,182,0.55);
}
.field input:focus{
  border-color: rgba(31,111,235,0.6);
  box-shadow: 0 0 0 4px rgba(31,111,235,0.12);
}

/* ACTIONS */
.actions{
  display:flex;
  gap:10px;
  margin-top:12px;
  flex-wrap:wrap;
}

.btn{
  border:1px solid rgba(31,111,235,0.6);
  background:rgba(31,111,235,0.18);
  color:var(--text);
  padding:10px 14px;
  border-radius:12px;
  font-weight:900;
  letter-spacing:0.5px;
  cursor:pointer;
  transition: transform 80ms ease, background 120ms ease, border-color 120ms ease;
}
.btn:hover{
  background:rgba(31,111,235,0.26);
}
.btn:active{
  transform: translateY(1px);
}
.btn--ghost{
  border-color: var(--line);
  background: transparent;
  color: var(--muted);
}
.btn--ghost:hover{
  background: rgba(255,255,255,0.04);
  color: var(--text);
}

/* OUTPUT GRID */
.outgrid{
  display:grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap:10px;
}
.outgrid--3{ grid-template-columns: repeat(3, minmax(0,1fr)); }

/* When narrow screens, 2 columns is perfect */
@media (max-width:900px){
  .outgrid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
}

.out{
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;
  background:var(--panelbg);
  min-height:76px;              /* makes tiles align nicely */
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.out__k{
  color:var(--muted);
  font-size:12px;
  margin-bottom:8px;
  letter-spacing:0.2px;
}
.out__v{
  font-size:24px;
  font-weight:1000;
  letter-spacing:0.2px;
}

/* INFO NOTE */
.note{
  margin-top:10px;
  border:1px dashed rgba(138,160,182,0.35);
  border-radius:14px;
  padding:10px 12px;
  color:var(--muted);
  background: rgba(12,18,27,0.35);
}
.note__k{
  font-size:12px;
  margin-bottom:6px;
  color:rgba(138,160,182,0.85);
  letter-spacing:0.2px;
}
.note__v{
  font-size:13px;
  line-height:1.4;
}

/* FOOTER */
.footer{
  display:flex;
  justify-content:space-between;
  color:var(--muted);
  font-size:12px;
  padding:2px 4px;
  opacity:0.9;
}
code{ color: #b9d4ff; }