:root {
  --md-sys-color-primary: #212121;
  --md-sys-color-on-primary: #ffffff;
  --md-sys-color-primary-container: #eeeeee;
  --md-sys-color-on-primary-container: #212121;
  --md-sys-color-secondary: #616161;
  --md-sys-color-on-secondary: #ffffff;
  --md-sys-color-secondary-container: #f5f5f5;
  --md-sys-color-on-secondary-container: #424242;
  --md-sys-color-surface: rgba(255, 255, 255, 0.8);
  --md-sys-color-on-surface: #212121;
  --md-sys-color-surface-variant: #e0e0e0;
  --md-sys-color-on-surface-variant: #616161;
  --md-sys-color-outline: #bdbdbd;
  --md-sys-color-background: #fafafa;
  --md-sys-color-error: #b71c1c;

  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(0, 0, 0, 0.1);
  --blur-amount: 12px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --md-sys-color-primary: #e0e0e0;
    --md-sys-color-on-primary: #212121;
    --md-sys-color-primary-container: #424242;
    --md-sys-color-on-primary-container: #eeeeee;
    --md-sys-color-secondary: #bdbdbd;
    --md-sys-color-on-secondary: #212121;
    --md-sys-color-secondary-container: #323232;
    --md-sys-color-on-secondary-container: #e0e0e0;
    --md-sys-color-surface: rgba(33, 33, 33, 0.8);
    --md-sys-color-on-surface: #eeeeee;
    --md-sys-color-surface-variant: #424242;
    --md-sys-color-on-surface-variant: #bdbdbd;
    --md-sys-color-outline: #616161;
    --md-sys-color-background: #121212;

    --glass-bg: rgba(33, 33, 33, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
  }
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Outfit', 'Roboto', sans-serif;
  background: radial-gradient(ellipse at bottom, #b5b5c9 0%, #d4e0eb 100%);
  color: var(--md-sys-color-on-surface);
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: background 0.5s ease, color 0.3s ease;
}

@media (prefers-color-scheme: dark) {
  body {
    background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
  }
}

#galaxy-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

@keyframes gradientBG {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

#app {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 48px);
  width: calc(100vw - 48px);
  max-width: 1400px;
  max-height: 1000px;
  background-color: var(--md-sys-color-background);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.2);
  border-radius: 24px;
  overflow: hidden;
  position: relative;
  z-index: 10;
  border: 1px solid var(--glass-border);
}

@media (max-width: 900px) {
  body {
    padding: 0;
  }

  #app {
    height: 100vh;
    width: 100vw;
    max-width: none;
    max-height: none;
    border-radius: 0;
    border: none;
  }
}

header {
  display: flex;
  align-items: center;
  padding: 8px 24px;
  background-color: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  border-bottom: 1px solid var(--glass-border);
  height: 72px;
  z-index: 10;
}

header .title {
  margin-left: 16px;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.spacer {
  flex: 1;
}

.content {
  display: flex;
  flex: 1;
  height: calc(100% - 72px);
}

aside {
  width: 320px;
  border-right: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background-color: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  z-index: 5;
}

aside.hidden {
  transform: translateX(-100%);
  width: 0;
  opacity: 0;
}

.drawer-header {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.drawer-header h3 {
  margin: 0;
  font-weight: 600;
  color: var(--md-sys-color-on-surface-variant);
}

#chat-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

md-list-item {
  border-radius: 12px;
  margin-bottom: 4px;
  transition: background-color 0.2s ease, transform 0.2s ease;
  --md-list-item-hover-state-layer-color: var(--md-sys-color-primary);
}

md-list-item:hover {
  transform: translateX(4px);
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--md-sys-color-background);
  position: relative;
}

#messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  scroll-behavior: smooth;
}

#messages-container::-webkit-scrollbar {
  width: 8px;
}

#messages-container::-webkit-scrollbar-track {
  background: transparent;
}

#messages-container::-webkit-scrollbar-thumb {
  background: var(--md-sys-color-outline);
  border-radius: 4px;
  border: 2px solid var(--md-sys-color-background);
}

#messages-container::-webkit-scrollbar-thumb:hover {
  background: var(--md-sys-color-secondary);
}

.welcome-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  padding: 40px;
  animation: welcomeFadeIn 1.2s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.logo-container {
  position: relative;
  width: 120px;
  height: 120px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-glow {
  position: absolute;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, var(--md-sys-color-primary) 0%, transparent 70%);
  opacity: 0.15;
  filter: blur(20px);
  animation: logoPulse 4s infinite ease-in-out;
}

.brand-logo {
  --md-icon-size: 64px;
  color: var(--md-sys-color-primary);
  filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.1));
}

.welcome-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--md-sys-color-primary);
}

.brand-text {
  font-size: 5rem;
  font-weight: 900;
  margin: 0;
  letter-spacing: -3px;
  line-height: 1;
  background: linear-gradient(135deg, var(--md-sys-color-primary) 0%, var(--md-sys-color-secondary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.05));
}

.welcome-screen .subtitle {
  font-size: 1.25rem;
  color: var(--md-sys-color-on-surface-variant);
  margin-top: 12px;
  font-weight: 400;
  max-width: 400px;
}

.onboarding-badge {
  margin-top: 32px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background-color: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid var(--glass-border);
}

@keyframes welcomeFadeIn {
  from { opacity: 0; transform: translateY(30px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes logoPulse {
  0%, 100% { transform: scale(1); opacity: 0.15; }
  50% { transform: scale(1.2); opacity: 0.25; }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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

.input-area {
  padding: 24px 32px;
  background-color: var(--glass-bg);
  backdrop-filter: blur(var(--blur-amount));
  border-top: 1px solid var(--glass-border);
}

#message-input {
  width: 100%;
  --md-outlined-text-field-container-shape: 28px;
  transition: transform 0.2s ease;
}

#message-input:focus-within {
  transform: translateY(-2px);
}

.message-wrapper {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  max-width: 90%;
  animation: slideIn 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.message-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.message-wrapper.user .message-content {
  align-items: flex-end;
}

.message-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.message-wrapper:hover .message-actions {
  opacity: 1;
}

.message-actions md-icon-button {
  --md-icon-button-icon-size: 18px;
  width: 32px;
  height: 32px;
}

.edit-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  min-width: 300px;
}

.btn-group {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.message-wrapper.user {
  flex-direction: row-reverse;
  align-self: flex-end;
}

.message-wrapper.assistant {
  align-self: flex-start;
}

.message-icon {
  background-color: var(--md-sys-color-surface-variant);
  color: var(--md-sys-color-on-surface-variant);
  padding: 8px;
  border-radius: 50%;
  font-size: 20px;
  flex-shrink: 0;
  border: 1px solid var(--glass-border);
}

.message-icon.avatar {
  padding: 0;
  width: 38px;
  height: 38px;
  object-fit: cover;
  border: 2px solid var(--md-sys-color-primary);
}

.message {
  padding: 16px 24px;
  border-radius: 24px;
  font-size: 1.05rem;
  line-height: 1.6;
  word-wrap: break-word;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
  position: relative;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.message.user {
  align-self: flex-end;
  background: linear-gradient(135deg, #424242, #212121);
  color: #ffffff;
  border-bottom-right-radius: 4px;
}

.message.assistant {
  align-self: flex-start;
  background-color: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  border-bottom-left-radius: 4px;
  border: 1px solid var(--glass-border);
}

/* Thinking Animation */
.message.thinking {
  display: flex;
  gap: 6px;
  padding: 16px 24px;
  align-items: center;
  min-height: 56px;
}

.dot {
  width: 8px;
  height: 8px;
  background-color: var(--md-sys-color-secondary);
  border-radius: 50%;
  opacity: 0.3;
  animation: dotPulse 1.4s infinite both;
}

.dot:nth-child(2) {
  animation-delay: 0.2s;
}

.dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes dotPulse {

  0%,
  80%,
  100% {
    transform: scale(0.7);
    opacity: 0.3;
  }

  40% {
    transform: scale(1.1);
    opacity: 0.8;
  }
}

.message code {
  font-family: 'JetBrains Mono', monospace;
  background-color: rgba(0, 0, 0, 0.08);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.9em;
}

.message pre {
  background-color: #1a1a1a;
  color: #e0e0e0;
  padding: 20px;
  border-radius: 16px;
  overflow-x: auto;
  margin: 16px 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.message pre code {
  background-color: transparent;
  padding: 0;
  border-radius: 0;
}

.message h1,
.message h2,
.message h3 {
  margin-top: 24px;
  margin-bottom: 12px;
  font-weight: 700;
  line-height: 1.25;
}

.message h1 {
  font-size: 1.5rem;
}

.message h2 {
  font-size: 1.25rem;
}

.message h3 {
  font-size: 1.1rem;
}

.message p {
  margin: 0px;
}

.message p:last-child {
  margin-bottom: 0;
}

.message ul,
.message ol {
  margin-bottom: 12px;
  padding-left: 24px;
}

.message li {
  margin-bottom: 4px;
}

.message blockquote {
  border-left: 4px solid var(--md-sys-color-outline);
  padding-left: 16px;
  margin: 12px 0;
  color: var(--md-sys-color-on-surface-variant);
  font-style: italic;
}

.message table {
  border-collapse: collapse;
  width: 100%;
  margin-bottom: 16px;
}

.message th,
.message td {
  border: 1px solid var(--md-sys-color-outline);
  padding: 8px 12px;
  text-align: left;
}

.message th {
  background-color: var(--md-sys-color-surface-variant);
}

md-dialog {
  min-width: 440px;
  --md-dialog-container-shape: 28px;
  --md-dialog-container-color: var(--md-sys-color-background);
  color: var(--md-sys-color-on-surface);
}

#settings-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 16px 0;
  margin: 0px 10px 0px 10px;
}

.row {
  display: flex;
  gap: 16px;
}

.row>* {
  flex: 1;
}