:root {
  --primary: #4285f4;
  --bg: #0b0e14;
  --card-bg: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.12);
  --text-main: #e8eaed;
  --text-sub: #9aa0a6;
  --accent: #8ab4f8;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Roboto", "Inter", system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text-main);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  overflow-x: hidden;
}

#container {
  max-width: 1600px;
  width: 95%;
  padding: 40px 20px;
}

header {
  text-align: center;
  margin-bottom: 40px;
}

h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin: 0 0 10px 0;
  background: linear-gradient(135deg, #fff 0%, var(--accent) 20%);
  -webkit-background-clip: text;
  background-clip: text;
}

header p {
  color: var(--text-sub);
  font-size: 1.1rem;
}

.card {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.input-section {
  margin-bottom: 24px;
}

details {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: background 0.3s;
}

details[open] {
  background: rgba(255, 255, 255, 0.05);
  padding-bottom: 20px;
}

summary {
  padding: 16px 20px;
  cursor: pointer;
  font-weight: 600;
  color: var(--accent);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  user-select: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "▼";
  font-size: 0.8rem;
  transition: transform 0.3s;
}

details[open] summary::after {
  transform: rotate(180deg);
}

summary:hover {
  background: rgba(255, 255, 255, 0.08);
}

.accordion-content {
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.input-group-vertical {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.input-wrapper {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

input[type="text"] {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 20px;
  color: #fff;
  font-size: 1rem;
  transition: border-color 0.3s;
}

input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
}

button {
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 12px;
  padding: 18px 24px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.2s, background 0.3s;
}

button:hover {
  background: #3367d6;
  transform: translateY(-1px);
}

button:active {
  transform: translateY(1px);
}

button:disabled {
  background: #3c4043;
  cursor: not-allowed;
  transform: none;
}

.status {
  margin: 24px auto 0 auto;
  font-size: 0.9rem;
  color: #fff;
  text-align: center;
  background: rgba(251, 188, 4, 0.15);
  border: 1px solid rgba(251, 188, 4, 0.4);
  padding: 8px 24px;
  border-radius: 50px;
  display: block;
  width: fit-content;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(251, 188, 4, 0.15);
}

#similarity-container {
  text-align: center;
  padding: 24px;
  border-radius: 12px;
  transition: background-color 0.5s ease, border-color 0.5s ease;
  border: 1px solid transparent;
}

.score-display {
  font-size: 4rem;
  font-weight: 800;
  font-family: "Roboto Mono", monospace;
  margin: 10px 0;
  letter-spacing: -0.05em;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.main-layout {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}

.side-panel {
  flex: 0 0 450px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.main-panel {
  flex: 1;
  min-width: 0;
}

.comparison-grid {
  display: flex;
  gap: 24px;
}

.comparison-grid .visual-sub-section {
  flex: 1;
  min-width: 0;
}

.results-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.result-card h3 {
  margin-top: 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.visual-sub-section {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

.visual-sub-section h4 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.mini-subtitle {
  color: var(--text-sub);
  font-size: 0.8rem;
  margin-bottom: 16px;
}

.subtitle {
  color: var(--text-sub);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.tokens-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  max-height: 200px;
  overflow-y: auto;
  padding-right: 8px;
}

.token-chip {
  background: rgba(138, 180, 248, 0.15);
  border: 1px solid rgba(138, 180, 248, 0.3);
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-family: "Roboto Mono", monospace;
}

.token-chip.padded {
  opacity: 0.3;
  background: rgba(255, 255, 255, 0.05);
  border-color: transparent;
  color: #fff;
}

.embedding-viz {
  display: grid;
  grid-template-columns: repeat(32, 1fr);
  gap: 1px;
}

.viz-cell {
  aspect-ratio: 1;
  border-radius: 2px;
}

.embedding-text {
  margin-top: 20px;
  font-family: "Roboto Mono", monospace;
  font-size: 0.8rem;
  color: var(--text-sub);
  line-height: 1.5;
  word-break: break-all;
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-sub);
}

#results-text {
  width: calc(100% - 18px);
  margin-top: 10px;
  font-family: inherit;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
  background: rgba(255, 255, 255, 0.05);
  color: inherit;
}

.hidden {
  display: none;
}