:root {
  --bg-color: #0d1117;
  --accent-color: #58a6ff;
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --glass-bg: rgba(22, 27, 34, 0.7);
  --glass-border: rgba(240, 246, 252, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --gradient-main: linear-gradient(135deg, #1f6feb 0%, #a371f7 100%);
  --success-color: #3fb950;
  --memory-stm: #ff7b72;
  --memory-ltm: #d2a8ff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  display: flex;
  height: 100vh;
  overflow: hidden;
}

#app {
  display: flex;
  width: 100%;
  height: 100%;
}

/* Sidebar for Memory Evolution State */
.sidebar {
  width: 350px;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  padding: 24px;
}

.sidebar h2 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 24px;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.memory-section {
  margin-bottom: 32px;
}

.section-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.badge {
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.7rem;
  background: var(--glass-border);
  color: var(--accent-color);
}

.memory-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
  flex-grow: 1;
}

.memory-card {
  padding: 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  font-size: 0.85rem;
  line-height: 1.4;
  transition: all 0.3s ease;
}

.memory-card:hover {
  border-color: var(--accent-color);
  background: rgba(255, 255, 255, 0.05);
}

.memory-card.stm { border-left: 3px solid var(--memory-stm); }
.memory-card.ltm { border-left: 3px solid var(--memory-ltm); }

/* Main Chat Area */
.chat-container {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  padding: 40px;
  position: relative;
}

.chat-history {
  flex-grow: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-bottom: 100px;
}

.message {
  max-width: 80%;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.message.user { align-self: flex-end; }
.message.bot { align-self: flex-start; }

.bubble {
  padding: 16px 20px;
  border-radius: 20px;
  font-size: 1rem;
  line-height: 1.5;
  box-shadow: var(--glass-shadow);
}

.user .bubble {
  background: var(--gradient-main);
  border-bottom-right-radius: 4px;
}

.bot .bubble {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-bottom-left-radius: 4px;
}

.metadata-footer {
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  gap: 12px;
}

/* Input Area */
.input-area {
  position: absolute;
  bottom: 40px;
  left: 40px;
  right: 40px;
  display: flex;
  gap: 16px;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  padding: 12px;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  box-shadow: 0 10px 50px rgba(0,0,0,0.5);
}

input {
  flex-grow: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-size: 1rem;
  padding: 12px;
}

button {
  background: var(--gradient-main);
  border: none;
  border-radius: 12px;
  color: white;
  padding:12px 24px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

button:hover { opacity: 0.9; }

/* Evolution Radar/Viz Placeholder */
.viz-panel {
  height: 150px;
  background: radial-gradient(circle at center, rgba(88, 166, 255, 0.1) 0%, transparent 70%);
  border-radius: 12px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.viz-blob {
  width: 60px;
  height: 60px;
  background: var(--accent-color);
  filter: blur(30px);
  border-radius: 50%;
  animation: pulse 4s infinite alternate;
}

@keyframes pulse {
  from { transform: scale(1) translate(0, 0); }
  to { transform: scale(1.5) translate(10px, 5px); }
}

/* Connectivity Modal Styles (Vanguard Glass) */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.modal-content {
    background: rgba(22, 27, 34, 0.8) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    padding: 2.5rem;
    border-radius: 16px;
    max-width: 450px;
    width: 90%;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
}

.modal-content h3 { color: #58a6ff; margin-bottom: 1rem; }
.modal-content p { font-size: 0.9rem; color: #8b949e; margin-bottom: 1.5rem; }
.modal-content input {
    width: 100%;
    padding: 0.8rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid #30363d;
    border-radius: 8px;
    color: #c9d1d9;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 1.5rem;
}

.modal-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}