:root {
  --dark-purple: #1a0933;
  --deeper-purple: #12052a;
  --medium-purple: #432c6d;
  --light-purple: #8a5dcb;
  --bright-purple: #bf5cff;
  --neon-purple: #d17dff;
  --magenta: #c93bbb;
  --glass-bg: rgba(26, 9, 51, 0.7);
  --glass-border: rgba(191, 92, 255, 0.3);
  --ultra-glass: rgba(138, 93, 203, 0.25);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Small Verdana", Verdana, sans-serif;
  font-size: 14px;
  font-weight: 300;
}

body {
  background-color: var(--deeper-purple);
  color: #f5f5ff;
  height: 100vh;
  overflow: hidden;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(191, 92, 255, 0.2) 0%, transparent 35%),
    radial-gradient(circle at 80% 70%, rgba(201, 59, 187, 0.2) 0%, transparent 45%),
    linear-gradient(to bottom, rgba(26, 9, 51, 0.9), rgba(26, 9, 51, 0.6));
}

.container {
  display: flex;
  height: 100vh;
  position: relative;
  overflow: hidden;
}

.sidebar {
  width: 260px;
  background: var(--ultra-glass);
  backdrop-filter: blur(16px);
  border-right: 1px solid var(--glass-border);
  height: 100%;
  padding: 15px;
  box-shadow: 0 0 30px rgba(191, 92, 255, 0.25);
  transition: transform 0.3s ease;
  z-index: 10;
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 15px;
}

.sidebar-title {
  font-weight: 500;
  color: var(--neon-purple);
  font-size: 16px;
  letter-spacing: 0.5px;
  text-shadow: 0 0 10px rgba(191, 92, 255, 0.6);
}

.new-chat-btn {
  background: var(--ultra-glass);
  color: white;
  border: 1px solid var(--light-purple);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 0 12px rgba(191, 92, 255, 0.5);
  backdrop-filter: blur(5px);
}

.new-chat-btn:hover {
  background: var(--light-purple);
  box-shadow: 0 0 20px rgba(191, 92, 255, 0.8);
  transform: translateY(-2px);
}

.conversation-list {
  margin-top: 10px;
  overflow-y: auto;
  height: calc(100% - 120px);
}

.conversation-item {
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  position: relative;
  background: rgba(67, 44, 109, 0.2);
  backdrop-filter: blur(5px);
  user-select: text; /* Now selectable */
}

.conversation-item:hover {
  background: rgba(138, 93, 203, 0.3);
  border-color: var(--glass-border);
  box-shadow: 0 0 15px rgba(191, 92, 255, 0.3);
}

.conversation-item.active {
  background: rgba(138, 93, 203, 0.4);
  border: 1px solid var(--bright-purple);
  box-shadow: 0 0 15px rgba(191, 92, 255, 0.5);
}

.conversation-item.active::before {
  content: '';
  position: absolute;
  left: -15px;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  background: var(--neon-purple);
  border-radius: 50%;
  box-shadow: 0 0 15px var(--neon-purple);
}

.sidebar-footer {
  position: absolute;
  bottom: 15px;
  left: 15px;
  right: 15px;
  padding-top: 15px;
  border-top: 1px solid var(--glass-border);
  text-align: center;
}

.sidebar-footer .domain {
  font-size: 16px;
  color: var(--neon-purple);
  font-weight: 500;
  text-shadow: 0 0 8px rgba(191, 92, 255, 0.5);
  margin-top: 10px;
}

.toggle-sidebar {
  position: absolute;
  top: 15px;
  left: 15px;
  background: var(--ultra-glass);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 15;
  box-shadow: 0 0 15px rgba(191, 92, 255, 0.4);
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
}

.toggle-sidebar:hover {
  box-shadow: 0 0 25px rgba(191, 92, 255, 0.6);
  transform: rotate(180deg);
}

.toggle-sidebar svg {
  width: 16px;
  height: 16px;
  fill: white;
}

.chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  padding: 0 15px;
}

.top-banner-container {
  display: flex;
  align-items: center;
  margin: 15px 0;
  gap: 15px;
}

.ad-banner {
  flex: 1;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  background: rgba(138, 93, 203, 0.15);
  border-radius: 12px;
  border: 1px dashed var(--glass-border);
  backdrop-filter: blur(5px);
}

.upgrade-btn {
  background: rgba(255, 215, 0, 0.15);
  border: 1px solid rgba(255, 215, 0, 0.3);
  border-radius: 12px;
  padding: 8px 12px;
  color: #ffd700;
  cursor: pointer;
  display: flex;
  align-items: center;
  font-size: 12px;
  transition: all 0.2s ease;
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.2);
  backdrop-filter: blur(5px);
  white-space: nowrap;
}

.upgrade-btn:hover {
  background: rgba(255, 215, 0, 0.25);
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.3);
}

.upgrade-btn svg {
  width: 14px;
  height: 14px;
  fill: #ffd700;
  margin-right: 5px;
}

.user-profile-container {
  display: flex;
  align-items: center;
  gap: 15px;
}

.user-profile {
  background: var(--ultra-glass);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 6px 12px;
  display: flex;
  align-items: center;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
  box-shadow: 0 0 20px rgba(191, 92, 255, 0.25);
}

.user-profile:hover {
  background: rgba(138, 93, 203, 0.4);
  box-shadow: 0 0 30px rgba(191, 92, 255, 0.35);
  transform: translateY(-2px);
}

.user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--magenta);
  margin-right: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--light-purple);
  box-shadow: 0 0 12px rgba(191, 92, 255, 0.5) inset;
}

.user-name {
  font-size: 13px;
  margin-right: 5px;
}

.user-menu-icon {
  width: 12px;
  height: 12px;
  fill: white;
}

.messages-container {
  flex: 1;
  overflow-y: auto;
  padding: 15px 0;
  margin-right: 5px;
  scrollbar-width: thin;
  scrollbar-color: var(--light-purple) var(--dark-purple);
  max-height: calc(100vh - 240px);
  padding-right: 10px;
}

.messages-container::-webkit-scrollbar {
  width: 6px;
}

.messages-container::-webkit-scrollbar-track {
  background: var(--dark-purple);
  border-radius: 10px;
}

.messages-container::-webkit-scrollbar-thumb {
  background: var(--light-purple);
  border-radius: 10px;
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-purple), transparent);
  margin: 15px 0;
  opacity: 0.3;
}

.message {
  display: flex;
  margin-bottom: 24px;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  margin-right: 12px;
  background: var(--ultra-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--light-purple);
  box-shadow: 0 0 15px rgba(191, 92, 255, 0.5);
  font-weight: 500;
  backdrop-filter: blur(5px);
}

.avatar.user {
  background: rgba(201, 59, 187, 0.3);
}

.message-content {
  flex: 1;
  background: var(--ultra-glass);
  padding: 14px 18px;
  border-radius: 14px;
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 0 20px rgba(191, 92, 255, 0.2);
  line-height: 1.6;
  max-width: 85%;
  position: relative;
  overflow: hidden;
}

.message-content::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-purple), transparent);
  opacity: 0.4;
}

.message.bot .message-content {
  border-top-left-radius: 0;
}

.message.user {
  justify-content: flex-end;
}

.message.user .message-content {
  background: rgba(190, 59, 187, 0.2);
  border-top-right-radius: 0;
}

.input-area {
  padding: 15px 0;
  position: relative;
  bottom: 0;
  width: 100%;
  background: var(--deeper-purple);
  z-index: 5;
}

.input-container {
  display: flex;
  align-items: flex-end;
  background: var(--ultra-glass);
  border-radius: 14px;
  border: 1px solid var(--glass-border);
  padding: 8px 15px;
  backdrop-filter: blur(12px);
  box-shadow: 0 0 25px rgba(191, 92, 255, 0.25);
  transition: all 0.3s ease;
}

.input-container:focus-within {
  border-color: var(--neon-purple);
  box-shadow: 0 0 35px rgba(191, 92, 255, 0.4);
  transform: translateY(-2px);
}

.input-controls {
  display: flex;
  align-items: flex-end;
  margin-left: 10px;
  gap: 8px;
}

.model-select {
  position: relative;
}

.model-button {
  background: rgba(138, 93, 203, 0.3);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 5px 10px;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  font-size: 12px;
  transition: all 0.2s ease;
  box-shadow: 0 0 10px rgba(191, 92, 255, 0.3) inset;
  height: 36px;
  backdrop-filter: blur(5px);
}

.model-button:hover {
  background: rgba(138, 93, 203, 0.4);
  box-shadow: 0 0 15px rgba(191, 92, 255, 0.4) inset;
}

.model-button svg {
  width: 12px;
  height: 12px;
  margin-left: 5px;
  fill: white;
}

.chat-input {
  flex: 1;
  background: transparent;
  border: none;
  color: white;
  padding: 10px 0;
  outline: none;
  resize: none;
  height: 42px;
  max-height: 150px;
  overflow-y: auto;
}

.chat-input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.send-button-container {
  background: rgba(191, 92, 255, 0.3);
  border-radius: 8px;
  box-shadow: 0 0 20px rgba(191, 92, 255, 0.4);
  transition: all 0.2s ease;
  height: 36px;
  width: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(5px);
}

.send-button-container:hover {
  background: rgba(191, 92, 255, 0.5);
  box-shadow: 0 0 25px rgba(191, 92, 255, 0.6);
  transform: translateY(-2px);
}

.send-button {
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.send-button svg {
  width: 18px;
  height: 18px;
  fill: white;
}

.disclaimer {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.5);
  text-align: center;
  margin-top: 8px;
}

.bottom-banner {
  height: 40px;
  background: rgba(138, 93, 203, 0.15);
  border-radius: 8px;
  border: 1px dashed var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  margin-top: 10px;
  backdrop-filter: blur(5px);
}

.expand-ad {
  height: 100px;
  background: rgba(138, 93, 203, 0.15);
  border-radius: 8px;
  border: 1px dashed var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  font-size: 12px;
  margin-top: 10px;
}

/* Dropdown for user profile */
.user-dropdown {
  position: absolute;
  top: 60px;
  right: 15px;
  background: var(--ultra-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  width: 150px;
  box-shadow: 0 0 30px rgba(191, 92, 255, 0.3);
  z-index: 100;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: all 0.3s ease;
}

.user-dropdown.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.dropdown-item {
  padding: 10px 15px;
  cursor: pointer;
  transition: background 0.2s ease;
  display: flex;
  align-items: center;
}

.dropdown-item:first-child {
  border-radius: 10px 10px 0 0;
}

.dropdown-item:last-child {
  border-radius: 0 0 10px 10px;
}

.dropdown-item:hover {
  background: rgba(138, 93, 203, 0.4);
}

.dropdown-item svg {
  width: 14px;
  height: 14px;
  fill: white;
  margin-right: 8px;
}

/* Glassy glowing effect elements */
.glow-effect {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  filter: blur(40px);
}

.glow-1 {
  top: -150px;
  right: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(191, 92, 255, 0.15) 0%, transparent 70%);
  animation: float 20s infinite ease-in-out;
}

.glow-2 {
  bottom: -200px;
  left: 30%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201, 59, 187, 0.15) 0%, transparent 70%);
  animation: float 25s infinite ease-in-out reverse;
}

.glow-3 {
  top: 40%;
  left: 60%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(138, 93, 203, 0.2) 0%, transparent 70%);
  animation: pulse 15s infinite ease-in-out;
}

.glow-4 {
  top: 20%;
  left: 20%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.1) 0%, transparent 70%);
  animation: float 18s infinite ease-in-out;
}

@keyframes float {
  0% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(-40px) translateX(30px); }
  100% { transform: translateY(0) translateX(0); }
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.2); opacity: 0.7; }
  100% { transform: scale(1); opacity: 0.5; }
}

/* Particles */
.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--neon-purple);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.4;
  box-shadow: 0 0 10px var(--neon-purple);
}

/* Hide sidebar on small screens */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    position: absolute;
    z-index: 100;
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .toggle-sidebar {
    left: 15px;
  }
  
  .toggle-sidebar.open {
    left: 270px;
  }
}

.logo-container {
  position: absolute;
  left: 20px;
  top: 15px;
  z-index: 10;
}

.logo-svg {
  width: 100px;
  height: 35px;
  fill: #ffffff;
}

/* Popup styles for Upgrade */
.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(18, 5, 42, 0.7);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  justify-content: center;
  align-items: center;
}

.popup-overlay.active {
  display: flex;
}

.popup-content {
  background: var(--ultra-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 25px;
  width: 90%;
  max-width: 500px;
  position: relative;
  box-shadow: 0 0 40px rgba(191, 92, 255, 0.4);
  animation: popupFadeIn 0.3s ease;
}

@keyframes popupFadeIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

.popup-close {
  position: absolute;
  top: 15px;
  right: 15px; /* Changed from left to right */
  width: 24px;
  height: 24px;
  background: rgba(138, 93, 203, 0.3);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
  border: none;
}

.popup-close svg {
  width: 16px;
  height: 16px;
  stroke: white; /* Added stroke color */
  stroke-width: 2;
}
.popup-close:hover {
  background: rgba(138, 93, 203, 0.5);
  transform: scale(1.1);
}

.popup-title {
  text-align: center;
  margin-bottom: 20px;
  color: var(--neon-purple);
  font-size: 20px;
  font-weight: 500;
  text-shadow: 0 0 10px rgba(191, 92, 255, 0.5);
}

.popup-content p {
  margin-bottom: 15px;
  line-height: 1.6;
}

.expand-ad img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
}


.ad-banner img {
  width: 100%;
  height: 50px; /* matches existing banner height */
  object-fit: cover;
}


.bottom-banner img {
  width: 100%;
  height: 40px; /* matches existing banner height */
  object-fit: cover;
}

.persistent-overlay {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999; /* Ensure it's on top of everything */
  pointer-events: none; /* Allows clicks through the overlay */
  width: 100px; /* Adjust size as needed */
  height: 100px;
}

.overlay-gif {
  width: 100%;
  height: 100%;
  opacity: 0.6;
  object-fit: contain; /* Maintains aspect ratio */
}