/* CSS */
html, body {
  height: 100%;
  margin: 0;
  background-color: #0b0c10;
}

:root {
  --bg: #0b0c10;
  --panel: rgba(255, 255, 255, 0.06);
  --panel2: rgba(255, 255, 255, 0.08);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.6);
  --line: rgba(255, 255, 255, 0.12);
  --accent: #ffffff;
  --shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: radial-gradient(1200px 700px at 20% 0%, rgba(255,255,255,0.12), transparent 60%),
              radial-gradient(900px 600px at 80% 20%, rgba(255,255,255,0.08), transparent 55%),
              var(--bg);
  color: var(--text);
  display: grid;
  place-items: center;
  padding: 28px 14px;
}

.app {
  width: min(720px, 100%);
  display: grid;
  gap: 14px;
}

.header {
  padding: 8px 6px;
}
.header h1 {
  margin: 0;
  letter-spacing: -0.02em;
  font-size: 28px;
}
.header p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.panel {
  background: linear-gradient(180deg, var(--panel2), var(--panel));
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--shadow);
}

.inputs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
@media (max-width: 640px) {
  .inputs { grid-template-columns: 1fr; }
}

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

.money {
  display: grid;
  grid-template-columns: 30px 1fr;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: rgba(0,0,0,0.18);
}

.money span {
  display: grid;
  place-items: center;
  color: var(--muted);
  font-weight: 600;
}

.money input {
  width: 100%;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--text);
  padding: 12px 12px;
  font-size: 16px;
}

.actions {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

button {
  border: 1px solid var(--line);
  background: var(--accent);
  color: #0b0c10;
  padding: 10px 14px;
  border-radius: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.06s ease, opacity 0.2s ease;
}
button:hover { opacity: 0.95; }
button:active { transform: translateY(1px); }
button.ghost {
  background: transparent;
  color: var(--text);
}

.results h2 {
  margin: 0 0 12px;
  font-size: 16px;
  color: var(--muted);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.grid {
  display: grid;
  gap: 10px;
}

.row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(0,0,0,0.16);
}

.row .k {
  color: var(--muted);
  font-size: 13px;
}
.row .v {
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  font-weight: 800;
}

.divider {
  height: 1px;
  background: var(--line);
  margin: 2px 0;
  border-radius: 999px;
}

.totalRow {
  background: rgba(255,255,255,0.08);
}
.note {
  margin: 12px 2px 0;
  color: rgba(255,255,255,0.55);
  font-size: 12px;
  line-height: 1.4;
}

/*
.highlight-soft,
.highlight,
.highlight-strong{
  position: relative;
  overflow: hidden;
}

.highlight-soft::before,
.highlight::before,
.highlight-strong::before{
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at left,
    rgba(255,255,255,0.08),
    transparent 60%);
  pointer-events: none;
}

.highlight-strong::before{
  background: radial-gradient(circle at left,
    rgba(255,255,255,0.15),
    transparent 65%);
}

.highlight-strong .v{
  font-weight: 900;
}
*/

.highlight-soft,
.highlight,
.highlight-strong{
  position: relative;
  overflow: hidden;
}

.highlight-soft::before,
.highlight::before,
.highlight-strong::before{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    to top,
    rgba(255,255,255,0.12) 0%,
    rgba(255,255,255,0.06) 35%,
    rgba(255,255,255,0.02) 65%,
    transparent 100%
  );
}

/* Server Tip 강조 */
.highlight-strong::before{
  background: linear-gradient(
    to top,
    rgba(255,255,255,0.20) 0%,
    rgba(255,255,255,0.08) 40%,
    rgba(255,255,255,0.03) 70%,
    transparent 100%
  );
}

.highlight-strong .v{
  font-weight: 900;
}