:root {
  --bg-primary: #1A1C23;
  --bg-secondary: #252833;
  --bg-tertiary: #2E3240;
  --text-primary: #EAEAEA;
  --text-secondary: #A0A4B8;
  --accent-neon-beige: #FFEEA9;
  --accent-neon-beige-rgb: 255, 238, 169;
  --border-color: #3A3F51;
  --shadow-color: rgba(0, 0, 0, 0.3);
  --glow-color: rgba(var(--accent-neon-beige-rgb), 0.4);
  --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --transition-speed: 0.25s;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  width: 340px;
  padding: 20px;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.header-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-bottom: 5px;
}

h1 {
  font-size: 26px;
  font-weight: 600;
  color: var(--accent-neon-beige);
  text-shadow: 0 0 5px var(--glow-color), 0 0 10px var(--glow-color);
}

button#settingsBtn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 22px;
  cursor: pointer;
  padding: 5px;
  border-radius: var(--border-radius-sm);
  transition: color var(--transition-speed) ease, transform var(--transition-speed) ease;
  line-height: 1; 
}

button#settingsBtn:hover {
  color: var(--accent-neon-beige);
  transform: rotate(45deg);
}

button#summarizeBtn {
  background-color: var(--bg-secondary);
  color: var(--accent-neon-beige);
  border: 1px solid var(--border-color);
  padding: 12px 20px;
  font-size: 16px;
  font-weight: 500;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  width: 100%;
  text-align: center;
  transition: all var(--transition-speed) ease-in-out;
  box-shadow: 0 2px 4px var(--shadow-color), 0 0 0px var(--glow-color);
  outline: none;
}

button#summarizeBtn:hover:not(:disabled) {
  background-color: var(--bg-tertiary);
  border-color: var(--accent-neon-beige);
  color: var(--accent-neon-beige);
  box-shadow: 0 4px 8px var(--shadow-color),
              0 0 12px var(--glow-color),
              inset 0 0 5px rgba(var(--accent-neon-beige-rgb), 0.1);
  transform: translateY(-2px);
}

button#summarizeBtn:active:not(:disabled) {
  background-color: var(--bg-primary);
  border-color: var(--accent-neon-beige);
  transform: translateY(0px) scale(0.98);
  box-shadow: 0 1px 2px var(--shadow-color), 0 0 8px var(--glow-color);
}

button#summarizeBtn:disabled {
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  border-color: var(--border-color);
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: none;
  transform: none;
}

#status {
  font-size: 13px;
  color: var(--text-secondary);
  min-height: 1.2em;
  text-align: center;
  width: 100%;
  transition: color var(--transition-speed) ease;
}

#result-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 15px;
  width: 100%;
  min-height: 120px;
  max-height: 280px;
  overflow-y: auto;
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.2);
  transition: border-color var(--transition-speed) ease;
}

#result-container:focus-within {
    border-color: var(--accent-neon-beige);
}

#result {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: 'Consolas', 'Monaco', 'Menlo', monospace;
  opacity: 0;
  transform: translateY(10px);
}

@keyframes fadeInResult {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#result-container::-webkit-scrollbar {
  width: 10px;
}

#result-container::-webkit-scrollbar-track {
  background: var(--bg-primary);
  border-radius: var(--border-radius-sm);
  margin: 2px 0;
}

#result-container::-webkit-scrollbar-thumb {
  background-color: var(--accent-neon-beige);
  border-radius: var(--border-radius-sm);
  border: 2px solid var(--bg-primary);
}

#result-container::-webkit-scrollbar-thumb:hover {
  background-color: #FFFAE0;
}

#result-container::-webkit-scrollbar-corner {
    background: var(--bg-primary);
}

#status.processing {
  color: var(--accent-neon-beige);
  animation: pulseStatus 1.5s infinite ease-in-out;
}

@keyframes pulseStatus {
  0%, 100% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
}