/* Popup overlay + modal scaffold */
.kiuas-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  display: grid;
  place-items: center;
  z-index: 999999; /* very high to float above themes/builders */
}
.kiuas-modal-overlay[aria-hidden="true"] { display: none; }

.kiuas-modal {
  width: min(1150px, 94vw);
  height: min(90vh, 920px);
  background: #0b1220;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 14px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.04);
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
  position: relative;
}

.kiuas-modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  background: transparent;
  color: #e5e7eb;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  width: 36px;
  height: 36px;
  font-size: 22px;
  line-height: 34px;
  text-align: center;
  cursor: pointer;
  z-index: 2;
}
.kiuas-modal-close:hover {
  background: rgba(255,255,255,0.06);
}

/* Prevent page scroll when popup is open */
body.kiuas-modal-open { overflow: hidden; }

/* Calculator styling (scoped) */
.kiuas-calc {
  /* Design tokens */
  --bg:#0f172a;          /* slate-900 */
  --panel:#111827;       /* gray-900 */
  --muted:#1f2937;       /* gray-800 */
  --card:#0b1220;        /* custom dark */
  --text:#e5e7eb;        /* gray-200 */
  --sub:#9ca3af;         /* gray-400 */
  --accent:#22d3ee;      /* cyan-400 */
  --accent-2:#60a5fa;    /* blue-400 */
  --ok:#34d399;          /* green-400 */
  --warn:#fbbf24;        /* amber-400 */
  --danger:#f87171;      /* red-400 */
  --chip:#1f2937;
  --chip-br:#374151;
  --br:12px;
  --shadow: 0 10px 30px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.03);
  --border: 1px solid rgba(255,255,255,0.06);

  color: var(--text);
  background:
    linear-gradient(135deg,#0b1020 0%,#0b1428 35%,#0c0f1a 100%);
  height: 100%;
  overflow: auto;
}

.kiuas-calc a { color: var(--accent); text-decoration: none; }
.kiuas-calc * { box-sizing: border-box; }

.kiuas-calc .container{max-width:1150px;margin:0 auto;padding:28px 16px 56px}
.kiuas-calc header{
  display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px
}
.kiuas-calc .brand{
  display:flex;align-items:center;gap:14px
}
.kiuas-calc .logo{
  width:42px;height:42px;border-radius:10px;
  background: radial-gradient(120px 120px at -20% -20%, rgba(34,211,238,0.25) 0%, rgba(34,211,238,0.05) 50%, transparent 70%),
              radial-gradient(90px 90px at 120% 120%, rgba(96,165,250,0.2) 0%, rgba(96,165,250,0.06) 55%, transparent 70%),
              linear-gradient(180deg,#0a0f1c 0%,#0b1220 100%);
  border:1px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow);
  display:grid;place-items:center;
}
.kiuas-calc .logo::after{
  content:"⛰";font-size:20px;filter:drop-shadow(0 4px 12px rgba(34,211,238,0.35))
}
.kiuas-calc h1{font-size:20px;margin:0}
.kiuas-calc .subtitle{color:var(--sub);font-size:13px}

.kiuas-calc .grid{
  display:grid;grid-template-columns:1.3fr 1fr;gap:18px;align-items:start
}
@media (max-width: 980px){ .kiuas-calc .grid{grid-template-columns:1fr} }

.kiuas-calc .panel{
  background: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, rgba(255,255,255,0) 100%),
              var(--panel);
  border: var(--border);
  border-radius: var(--br);
  box-shadow: var(--shadow);
  padding:16px
}

.kiuas-calc .controls{
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px
}
@media (max-width: 860px){ .kiuas-calc .controls{grid-template-columns:1fr} }

.kiuas-calc .control{display:flex;flex-direction:column;gap:6px}
.kiuas-calc label{font-size:12px;color:var(--sub);letter-spacing:.02em}
.kiuas-calc select,
.kiuas-calc input[type="text"]{
  background:var(--card);color:var(--text);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:10px;padding:12px 14px;font-size:16px;outline:none;
  min-height:44px;-webkit-appearance:none;appearance:none;
  transition:.2s border-color ease,.2s box-shadow ease
}
.kiuas-calc select:focus,
.kiuas-calc input[type="text"]:focus{border-color:var(--accent); box-shadow:0 0 0 4px rgba(34,211,238,0.14)}
.kiuas-calc .inline-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.kiuas-calc button{
  background:linear-gradient(180deg, rgba(34,211,238,0.22), rgba(34,211,238,0.12));
  color:var(--text);border:1px solid rgba(34,211,238,0.35);border-radius:10px;
  padding:10px 14px;font-size:16px;cursor:pointer;min-height:44px
}
.kiuas-calc button.secondary{
  background:linear-gradient(180deg, rgba(96,165,250,0.22), rgba(96,165,250,0.12));
  border-color:rgba(96,165,250,0.35)
}
.kiuas-calc button.ghost{
  background:transparent;border:1px solid rgba(255,255,255,0.12)
}

.kiuas-calc .kpi{
  display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:14px
}
@media (max-width: 700px){ .kiuas-calc .kpi{grid-template-columns:repeat(2,1fr)} }
.kiuas-calc .kpi .card{
  background:var(--card);border:1px solid rgba(255,255,255,0.06);
  border-radius:10px;padding:12px;min-height:76px
}
.kiuas-calc .kpi .label{font-size:12px;color:var(--sub)}
.kiuas-calc .kpi .value{font-size:18px;margin-top:6px}

.kiuas-calc .result{
  margin-top:16px;background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent),
             radial-gradient(600px 240px at 0% -20%, rgba(34,211,238,0.08), transparent 60%),
             var(--panel);
  border:var(--border);border-radius:var(--br);padding:14px
}
.kiuas-calc .result h3{margin:0 0 8px 0;font-size:16px}
.kiuas-calc .muted{color:var(--sub)}
.kiuas-calc .notes{margin-top:8px;color:#d1fae5}
.kiuas-calc .badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.kiuas-calc .badge{
  background:var(--chip);border:1px solid var(--chip-br);border-radius:999px;
  padding:6px 10px;font-size:12px;color:var(--text)
}

.kiuas-calc .table-wrap{
  margin-top:16px;background:var(--card);border:1px solid rgba(255,255,255,0.06);border-radius:10px;overflow:auto
}
.kiuas-calc table{width:100%;border-collapse:collapse;font-size:13px}
.kiuas-calc thead th{
  text-align:left;background:rgba(255,255,255,0.04);position:sticky;top:0;backdrop-filter:saturate(140%) blur(6px)
}
.kiuas-calc th, .kiuas-calc td{padding:10px 12px;border-bottom:1px solid rgba(255,255,255,0.06);vertical-align:top}
.kiuas-calc tbody tr:hover{background:rgba(34,211,238,0.05)}
.kiuas-calc .right{text-align:right}

.kiuas-calc .help{
  margin-top:10px;color:var(--sub);font-size:12px
}
.kiuas-calc .source{
  margin-top:10px;font-size:12px;color:var(--sub)
}
.kiuas-calc .footer-note{
  margin-top:18px;font-size:12px;color:var(--sub)
}
.kiuas-calc .highlight{color:var(--accent-2)}
.kiuas-calc .row-click{cursor:pointer}
@media (hover:hover){ .kiuas-calc tbody tr.row-click:hover{background:rgba(34,211,238,0.08)} }
@media (max-width:600px){ .kiuas-calc .hide-mobile{display:none !important} }

/* Mobile optimizations */
@media (max-width: 600px){
  .kiuas-modal { width: 96vw; height: 94vh; }
  .kiuas-calc .container{padding:20px 12px 32px}
  .kiuas-calc header{flex-direction:column;align-items:flex-start;gap:10px}
  .kiuas-calc h1{font-size:18px}
  .kiuas-calc .subtitle{font-size:12px}
  .kiuas-calc .controls{grid-template-columns:1fr;gap:10px}
  .kiuas-calc .inline-actions{flex-direction:column;gap:8px}
  .kiuas-calc .inline-actions > input,
  .kiuas-calc .inline-actions > button{width:100%}
  .kiuas-calc .kpi{grid-template-columns:1fr;gap:8px}
  .kiuas-calc .kpi .card{min-height:64px}
  .kiuas-calc .kpi .value{font-size:16px}
  .kiuas-calc .result{padding:12px}
  .kiuas-calc .badges .badge{font-size:12px;padding:6px 8px}
  .kiuas-calc .table-wrap{margin-top:12px;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
  .kiuas-calc table{font-size:12px}
  .kiuas-calc th, .kiuas-calc td{padding:8px 10px}
  .kiuas-calc .logo{width:36px;height:36px}
}