body {
  background: #181c24;
  color: #e6eaf3;
  font-family: 'Montserrat', Arial, sans-serif;
  margin: 0;
  min-height: 100vh;
}

.container {
  max-width: 800px;
  margin: 40px auto;
  background: #23273a;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.25);
  padding: 32px 32px 24px 32px;
}

h1 {
  color: #7ec7e6;
  font-size: 2rem;
  margin-bottom: 24px;
  text-align: center;
  font-weight: 700;
}

form label {
  display: block;
  margin-top: 18px;
  margin-bottom: 6px;
  font-weight: 600;
  color: #b3b9c9;
  font-size: 1.05em;
}

input[type="number"], select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid #2e3347;
  background: #181c24;
  color: #e6eaf3;
  font-size: 1em;
  margin-bottom: 4px;
  box-sizing: border-box;
  outline: none;
  transition: border 0.2s;
}
input[type="number"]:focus, select:focus {
  border: 1.5px solid #7ec7e6;
}

.cost-unit-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.cost-unit-row .or {
  color: #7ec7e6;
  font-weight: 700;
  margin: 0 6px;
}
#unit-select {
  flex: 1;
}

.main-flex {
  display: flex;
  min-height: 100vh;
  background: #181c24;
  justify-content: center;
  align-items: flex-start;
  gap: 40px;
  margin-top: 32px;
}

.sidebar {
  width: 340px;
  background: #23273a;
  border-radius: 0;
  box-shadow: none;
  border: 1.5px solid #2e3347;
  padding: 32px 24px 24px 24px;
  margin-top: 48px;
  margin-bottom: 48px;
  margin-left: 0;
  margin-right: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.input-section {
  margin-bottom: 0;
}

hr {
  border: none;
  border-top: 2.5px solid #3a4a6d;
  margin: 22px 0 22px 0;
}

label {
  font-weight: 600;
  color: #b3b9c9;
  font-size: 1.05em;
  margin-bottom: 6px;
  display: block;
}

input[type="number"], input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 0;
  border: 1px solid #2e3347;
  background: #181c24;
  color: #e6eaf3;
  font-size: 1em;
  margin-bottom: 4px;
  box-sizing: border-box;
  outline: none;
  transition: border 0.2s;
}
input[type="number"]:focus, input[type="text"]:focus {
  border: 1.5px solid #7ec7e6;
}

.unit-search-wrapper, .level-search-wrapper {
  position: relative;
  width: 100%;
}
.unit-search-wrapper input[type="text"], .level-search-wrapper input[type="text"] {
  padding-right: 32px;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background: #181c24 url('data:image/svg+xml;utf8,<svg fill="%237ec7e6" height="18" viewBox="0 0 24 24" width="18" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>') no-repeat right 10px center/18px 18px;
}

.unit-search-wrapper input[type="text"].open, .level-search-wrapper input[type="text"].open {
  background: #181c24 url('data:image/svg+xml;utf8,<svg fill="%237ec7e6" height="18" viewBox="0 0 24 24" width="18" xmlns="http://www.w3.org/2000/svg"><path d="M7 14l5-5 5 5z"/></svg>') no-repeat right 10px center/18px 18px;
}

.unit-dropdown, .level-dropdown {
  background: #23273a;
  border: 1.5px solid #2e3347;
  border-radius: 0;
  max-height: 220px;
  overflow-y: auto;
  margin-top: 2px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  position: relative;
  z-index: 10;
}
.unit-dropdown .unit-option, .level-dropdown .level-option {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  cursor: pointer;
  font-size: 1em;
  color: #e6eaf3;
  transition: background 0.15s;
}
.unit-dropdown .unit-option:hover, .unit-dropdown .unit-option.selected,
.level-dropdown .level-option:hover, .level-dropdown .level-option.selected {
  background: #2e3347;
}
.unit-dropdown img {
  width: 28px;
  height: 28px;
  border-radius: 0;
  margin-right: 10px;
  background: #222;
}

.main-title {
  color: #92cbe4;
  font-size: 2.1rem;
  font-weight: 500;
  text-align: center;
  margin-top: 100px;
  margin-bottom: 0;
  letter-spacing: 0.5px;
}

.description-section {
  max-width: 800px;
  margin: 32px auto 0 auto;
  padding: 0 24px;
  color: #b3b9c9;
  font-size: 1.05em;
  line-height: 1.6;
  text-align: left;
}
.description-section p {
  margin-bottom: 16px;
}
.description-section strong {
  color: #92cbe4;
}

.selected-unit-display {
  display: flex;
  align-items: center;
  font-weight: bold;
  color: #92cbe4;
  font-size: 1.1em;
  min-height: 36px;
  margin-bottom: 8px;
  margin-top: 0;
}
.selected-unit-display img {
  width: 32px;
  height: 32px;
  border-radius: 0;
  margin-right: 10px;
  background: #222;
}

#unit-inputs {
  margin-top: 0;
}

.chart-section {
  flex: 1;
  margin: 48px 0 48px 0;
  background: #23273a;
  border-radius: 0;
  border: 1.5px solid #2e3347;
  padding: 18px 16px 10px 16px;
  box-shadow: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
  max-width: 700px;
}
.chart-section h2 {
  color: #ced2dd;
  font-size: 1.15em;
  margin-bottom: 20px;
  font-weight: 550;
  text-align: center;
}

canvas#prob-chart {
  display: block;
  margin: 0 auto;
  background: #23273a;
  border-radius: 0;
  box-shadow: 0 1px 4px rgba(0,0,0,0.10);
}

.dropdown-arrow {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 20;
  pointer-events: auto;
}
.dropdown-arrow::before {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-left: 9px solid transparent;
  border-right: 9px solid transparent;
  border-top: 8px solid #7ec7e6;
  transition: transform 0.2s;
}
.dropdown-arrow.up::before {
  border-top: none;
  border-bottom: 8px solid #7ec7e6;
  border-left: 9px solid transparent;
  border-right: 9px solid transparent;
}

.gold-2star-info {
  margin-top: 24px;
  color: #e6eaf3;
  font-size: 1.1em;
  min-width: 0;
  max-width: 700px;
  box-shadow: none;
  text-align: left;
  width: 100%;
  background: none;
  border: none;
  padding: 0 0 0 0;
  line-height: 1.7;
}
.gold-2star-info span {
  display: block;
  margin-bottom: 8px;
}

@media (max-width: 1200px) {
  .main-flex {
    flex-direction: column;
    align-items: center;
    gap: 0;
  }
  .sidebar {
    width: 98vw;
    margin: 24px 0 0 0;
  }
  .chart-section {
    margin: 24px 0 24px 0;
    max-width: 98vw;
    width: 100%;
  }
  .gold-2star-info {
    max-width: 98vw;
    width: 100%;
    margin-top: 16px;
  }
}

/* Language Selector Styles */
.language-header {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
}

.language-selector {
  position: relative;
  display: inline-block;
}

.current-language-btn {
  background: #23273a;
  border: 1.5px solid #2e3347;
  border-radius: 8px;
  color: #e6eaf3;
  padding: 8px 12px;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
  min-width: 120px;
  justify-content: space-between;
}

.current-language-btn:hover {
  border-color: #7ec7e6;
  background: #2e3347;
}

.current-language-btn.open {
  border-color: #7ec7e6;
  background: #2e3347;
}

.current-language-btn::after {
  content: '';
  width: 18px;
  height: 18px;
  background: url('data:image/svg+xml;utf8,<svg fill="%237ec7e6" height="18" viewBox="0 0 24 24" width="18" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>') no-repeat center/18px 18px;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.current-language-btn.open::after {
  background: url('data:image/svg+xml;utf8,<svg fill="%237ec7e6" height="18" viewBox="0 0 24 24" width="18" xmlns="http://www.w3.org/2000/svg"><path d="M7 14l5-5 5 5z"/></svg>') no-repeat center/18px 18px;
}

.language-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  right: 0;
  background: #23273a;
  border: 1.5px solid #2e3347;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  min-width: 160px;
  margin-top: 4px;
  overflow: hidden;
  z-index: 1001;
}

.language-option {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  cursor: pointer;
  color: #e6eaf3;
  font-size: 14px;
  transition: background 0.15s ease;
  border-bottom: 1px solid #2e3347;
}

.language-option:last-child {
  border-bottom: none;
}

.language-option:hover {
  background: #2e3347;
}

.language-option.selected {
  background: #2e3347;
  color: #7ec7e6;
}

/* Flag badge styling */
.flag-badge {
  display: inline-block;
  background: #7ec7e6;
  color: #181c24;
  font-size: 10px;
  font-weight: bold;
  padding: 2px 4px;
  border-radius: 3px;
  min-width: 20px;
  text-align: center;
  line-height: 1;
  letter-spacing: 0.5px;
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
  .language-header {
    top: 10px;
    right: 10px;
  }
  
  .current-language-btn {
    padding: 6px 10px;
    font-size: 12px;
    min-width: 100px;
  }
  
  .language-dropdown {
    min-width: 140px;
  }
  
  .language-option {
    padding: 8px 10px;
    font-size: 12px;
  }
  
  .main-title {
    margin-top: 80px;
  }
}