:root{
  --bg0: #0b0d12;
  --bg1: #0f1220;
  --card: rgba(255,255,255,0.08);
  --card2: rgba(255,255,255,0.10);
  --stroke: rgba(255,255,255,0.12);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.62);
  --muted2: rgba(255,255,255,0.46);

  --accent: #41d3a2;
  --warn: #ffcc66;
  --bad: #ff5c7a;

  --shadow: 0 18px 55px rgba(0,0,0,0.45);
  --radius: 22px;
  --radius2: 16px;

  --tap: 48px;
  --blur: blur(14px);
}

@media (prefers-color-scheme: light) {
  :root{
    --bg0: #f7f8fb;
    --bg1: #eef1f8;
    --card: rgba(0,0,0,0.04);
    --card2: rgba(0,0,0,0.06);
    --stroke: rgba(0,0,0,0.10);
    --text: rgba(12,15,24,0.92);
    --muted: rgba(12,15,24,0.62);
    --muted2: rgba(12,15,24,0.46);

    --shadow: 0 18px 55px rgba(12,15,24,0.18);
  }
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 20% 10%, rgba(65,211,162,0.18), transparent 60%),
    radial-gradient(900px 600px at 80% 15%, rgba(160,120,255,0.18), transparent 62%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
}

.app{
  min-height: 100%;
  padding-bottom: calc(14px + env(safe-area-inset-bottom));
}

.topbar{
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: var(--blur);
  background: rgba(0,0,0,0.08);
  border-bottom: 1px solid var(--stroke);
}
@media (prefers-color-scheme: light){
  .topbar{ background: rgba(255,255,255,0.50); }
}
.topbar__safe{
  height: env(safe-area-inset-top);
}
.topbar__inner{
  padding: 10px 16px 10px;
}

.logo-slot{
  height: 60px;
  border-radius: 18px;
  border: 1px dashed var(--stroke);
  background: rgba(255,255,255,0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.logo-slot__img{
  max-height: 44px;
  max-width: 90%;
  object-fit: contain;
}
.logo-slot__placeholder{
  width: 100%;
  height: 100%;
  display: flex;
  align-items:center;
  justify-content:center;
  color: var(--muted2);
  letter-spacing: 0.25em;
  font-weight: 700;
}

.card{
  margin: 14px 14px 0;
  padding: 16px;
  border-radius: var(--radius);
  border: 1px solid var(--stroke);
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.05));
  box-shadow: var(--shadow);
}

.card__header{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}
.title{
  margin: 0;
  font-size: 20px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.subtitle{
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.icon-btn{
  width: var(--tap);
  height: var(--tap);
  border-radius: 16px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font-size: 18px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: transform .12s ease, background .12s ease;
}
.icon-btn:active{ transform: scale(0.98); }
.icon-btn:focus-visible{
  outline: none;
  box-shadow: 0 0 0 3px rgba(65,211,162,0.25);
}

.field{ margin-top: 12px; }
.label{
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 8px;
}

.hint{
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--muted2);
}

.error{
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--bad);
}

.grid2{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 340px){
  .grid2{ grid-template-columns: 1fr; }
}

.input, .select{
  height: var(--tap);
  border-radius: 16px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,0.06);
  overflow: hidden;
  display:flex;
  align-items:center;
}
.input input{
  width: 100%;
  height: 100%;
  padding: 0 14px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 16px;
}
.input input::placeholder{ color: rgba(255,255,255,0.35); }
@media (prefers-color-scheme: light){
  .input input::placeholder{ color: rgba(0,0,0,0.30); }
}
.select select{
  width: 100%;
  height: 100%;
  padding: 0 12px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 16px;
  appearance: none;
}

.segmented{
  position: relative;
  height: var(--tap);
  border-radius: 18px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,0.06);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
}
.segmented--small .segmented__btn{ font-size: 13px; }
.segmented__btn{
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 650;
  font-size: 14px;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  z-index: 1;
}
.segmented__btn[aria-selected="true"]{ color: rgba(0,0,0,0.85); }
@media (prefers-color-scheme: dark){
  .segmented__btn[aria-selected="true"]{ color: rgba(0,0,0,0.85); }
}
.segmented__pill{
  position: absolute;
  top: 4px; bottom: 4px;
  left: 4px;
  width: calc((100% - 8px) / 3);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(65,211,162,1), rgba(65,211,162,0.78));
  box-shadow: 0 8px 22px rgba(65,211,162,0.25);
  transform: translateX(0%);
  transition: transform 220ms ease;
}

.row{ display:flex; gap: 10px; align-items:center; }

.switch{
  display:flex;
  align-items:center;
  gap: 10px;
  height: var(--tap);
  padding: 0 10px;
  border-radius: 16px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,0.06);
  width: 100%;
}
.switch input{ display:none; }
.switch__ui{
  width: 46px;
  height: 28px;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,0.08);
  position: relative;
  flex: 0 0 auto;
}
.switch__ui::after{
  content:"";
  position:absolute;
  top: 3px; left: 3px;
  width: 22px; height: 22px;
  border-radius: 999px;
  background: rgba(255,255,255,0.85);
  transition: transform 180ms ease, background 180ms ease;
}
.switch input:checked + .switch__ui{
  background: rgba(65,211,162,0.40);
}
.switch input:checked + .switch__ui::after{
  transform: translateX(18px);
  background: rgba(0,0,0,0.75);
}
.switch__text{
  font-size: 13px;
  color: var(--muted);
  font-weight: 600;
}

.accordion{
  margin-top: 12px;
  width: 100%;
  height: var(--tap);
  border-radius: 16px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 0 14px;
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.accordion__chev{ transition: transform 180ms ease; opacity: 0.8; }
.accordion[aria-expanded="true"] .accordion__chev{ transform: rotate(180deg); }

.adv{
  margin-top: 10px;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,0.04);
  animation: fadeIn 140ms ease;
}
@keyframes fadeIn { from{ opacity:0; transform: translateY(-4px);} to{opacity:1; transform: translateY(0);} }

.range{
  display:flex;
  align-items:center;
  gap: 10px;
  height: var(--tap);
  border-radius: 16px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,0.06);
  padding: 0 12px;
}
.range input[type="range"]{
  width: 100%;
}
.range__value{
  min-width: 56px;
  text-align: right;
  color: var(--muted);
  font-weight: 700;
}

.results{
  margin-top: 14px;
  padding: 14px;
  border-radius: 20px;
  border: 1px solid var(--stroke);
  background: rgba(0,0,0,0.10);
}
@media (prefers-color-scheme: light){
  .results{ background: rgba(255,255,255,0.55); }
}
.results__label{
  font-size: 12px;
  color: var(--muted);
}
.results__value{
  margin-top: 8px;
  font-size: 34px;
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 800;
}
.results__sub{
  margin-top: 6px;
  font-size: 13px;
  color: var(--muted);
}

.tiles{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}
.tile{
  border-radius: 18px;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,0.06);
  padding: 12px;
}
.tile__k{
  font-size: 12px;
  color: var(--muted);
}
.tile__v{
  margin-top: 6px;
  font-size: 14px;
  font-weight: 750;
  letter-spacing: -0.01em;
}
.tile--warn{ box-shadow: inset 0 0 0 999px rgba(255,204,102,0.06); }
.tile--ok{ box-shadow: inset 0 0 0 999px rgba(65,211,162,0.06); }

.note{
  margin-top: 12px;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid rgba(255,92,122,0.25);
  background: rgba(255,92,122,0.08);
  color: rgba(255,255,255,0.92);
  font-size: 13px;
  line-height: 1.35;
}
@media (prefers-color-scheme: light){
  .note{
    color: rgba(12,15,24,0.92);
    background: rgba(255,92,122,0.10);
  }
}

.footer{
  margin-top: 12px;
}
.disclaimer{
  margin: 0;
  font-size: 11px;
  color: var(--muted2);
  line-height: 1.35;
}