* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f4f4;
  height: 100vh;
  overflow: hidden;
}

.app-layout {
  display: flex;
  height: 100vh;
  width: 100%;
  overflow: hidden;
}

.hud {
  flex-shrink: 0;
  width: 320px;
  min-width: 280px;
  background: #fff;
  padding: 24px;
  border-right: 1px solid #e0e0e0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.results {
  margin: 0;
}

.results h2 {
  margin: 0 0 16px 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: #555;
}

.results h2:last-child {
  margin-bottom: 0;
}

.results h2 span:not(.currency) {
  display: block;
  margin-top: 4px;
  font-size: 1.75rem;
  font-weight: 700;
  color: #1a1a1a;
}

.config-panel {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
  padding: 24px;
}

.config-panel #formContainer {
  max-width: 600px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.item {
  background: #fff;
  padding: 15px;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
  min-width: 0;
}

.row:first-child {
  margin-top: 0;
}

.row-label {
  flex-shrink: 0;
  font-size: 0.9rem;
  font-weight: 500;
  color: #333;
  cursor: pointer;
}

.row input[type="range"] {
  flex: 1 1 200px;
  min-width: 0;
  max-width: 200px;
}

.row input[type="number"] {
  width: 82px;
  min-width: 82px;
  padding: 6px 8px;
  flex-shrink: 0;
}

input[type="number"]:focus,
input[type="range"]:focus {
  outline: 2px solid #1a73e8;
  outline-offset: 2px;
}

.site-footer {
  max-width: 600px;
  margin: 32px auto 0;
  padding-top: 16px;
  border-top: 1px solid #e0e0e0;
}

.site-footer a {
  font-size: 0.85rem;
  color: #666;
  text-decoration: none;
}

.site-footer a:hover {
  color: #1a73e8;
}

@media (max-width: 640px) {
  .app-layout {
    flex-direction: column;
    height: auto;
    min-height: 100vh;
    overflow: auto;
  }

  body {
    height: auto;
    overflow: auto;
  }

  .hud {
    width: 100%;
    min-width: 0;
    border-right: none;
    border-bottom: 1px solid #e0e0e0;
  }

  .config-panel {
    overflow: visible;
  }
}