@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
  --gradient-light: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d);
  --gradient-dark: linear-gradient(135deg, #0f1635, #590f0f, #805e16);
  --card-bg-light: rgba(255, 255, 255, 0.1);
  --card-bg-dark: rgba(0, 0, 0, 0.2);
  --text-color-light: #fff;
  --text-color-dark: #e1e1e1;
  --accent-color-light: #fdbb2d;
  --accent-color-dark: #b38520;
  --transition-speed: 0.3s;
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  opacity: 1;
  transition: opacity var(--transition-speed) ease;
}

.loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-text {
  color: var(--text-color-light);
  margin-top: 20px;
  font-size: 1.2em;
}

.loader {
  width: 50px;
  height: 50px;
}

.loader svg {
  width: 100%;
  height: 100%;
  /* keep SVG static — no rotation */
  animation: none;
}

.loader img {
  width: 100%;
  height: 100%;
  /* static image: disable rotation */
  animation: none;
}

.loader circle {
  fill: none;
  stroke: var(--accent-color-light);
  stroke-width: 4;
  stroke-dasharray: 125.6;
  stroke-dashoffset: 125.6;
  transform-origin: 50px 50px;
  animation: dash 1.5s ease-in-out infinite;
}

@keyframes rotate {
  100% {
    transform: rotate(360deg);
  }
}

@keyframes dash {
  0% {
    stroke-dashoffset: 125.6;
  }
  50% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: -125.6;
  }
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: var(--gradient-light);
  overflow: hidden;
  color: var(--text-color-light);
  transition: background 0.3s ease, color 0.3s ease;
}

body.dark-mode {
  background: var(--gradient-dark);
  color: var(--text-color-dark);
}

.container {
  position: relative;
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

/* === CARD BASE === */
.card {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  width: 90%;
  max-width: 420px;
  min-height: 400px;
  max-height: calc(100vh - 60px);
  overflow-y: auto;

  background: var(--card-bg-light);
  border-radius: 15px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 40px;
  color: var(--text-color-light);
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.6s ease, transform 0.6s ease, background-color 0.3s ease, color 0.3s ease;
}

body.dark-mode .card {
  background: var(--card-bg-dark);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--text-color-dark);
}

.card.active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  pointer-events: auto;
}

/* === MAKE DASHBOARD CARD FILL WINDOW === */
#dashboard-card {
  position: relative;
  transform: none;
  top: auto;
  left: auto;
  margin: 0 auto;
  width: 100%;
  max-width: 1100px;
  height: calc(100vh - 40px);
  padding: 0;
  overflow: hidden;
  display: none;
  justify-content: stretch;
  align-items: stretch;
  transition: none;
  opacity: 1;
}

.connection-status {
  position: fixed;
  top: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 20px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  font-size: 0.9em;
  z-index: 1000;
  transition: all 0.3s ease;
}

.status-icon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #666;
}

.connection-status.connected .status-icon {
  background: #2ecc71;
}

.connection-status.error .status-icon {
  background: #e74c3c;
}

.connection-status.syncing .status-icon {
  background: #f1c40f;
  animation: pulse 1s infinite;
}

@keyframes pulse {
  0% { opacity: 0.4; }
  50% { opacity: 1; }
  100% { opacity: 0.4; }
}

#dashboard-card.active {
  display: flex;
}

#dashboard-card.hidden {
  display: none;
  opacity: 0;
  pointer-events: none;
}

/* === FORM ELEMENTS === */
form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

input {
  background: rgba(255, 255, 255, 0.15);
  border: none;
  padding: 15px 20px;
  border-radius: 10px;
  color: #fff;
  font-size: 1em;
  outline: none;
  transition: background 0.3s ease;
}

input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

input:focus {
  background: rgba(255, 255, 255, 0.25);
}

button {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  padding: 15px 20px;
  border-radius: 10px;
  color: #fff;
  font-size: 1.1em;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.3s ease;
}

button:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* === DASHBOARD === */
.dashboard-container {
  display: flex;
  flex-direction: column;
  gap: 0;
  width: 100%;
  height: 100%;
}

/* Sidebar */
.chat-sidebar {
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  overflow-y: auto;
  padding: 25px;
}

.chat-sidebar h2 {
  text-align: center;
  margin-bottom: 15px;
}

.search-bar {
  margin: 10px 0 18px;
  display: flex;
  justify-content: center;
}

.search-bar input {
  width: 100%;
  padding: 12px 16px;
  border-radius: 10px;
  border: none;
  background: rgba(255,255,255,0.12);
  color: #fff;
  font-size: 0.95rem;
}

.chat-list {
  list-style: none;
  margin-bottom: 20px;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(-20px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.chat-list.visible {
  max-height: 300px;
  opacity: 1;
  transform: translateY(0);
}

.chat-item {
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 8px;
  background: rgba(255,255,255,0.08);
  cursor: pointer;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateX(-20px);
}

.chat-list.visible .chat-item {
  opacity: 1;
  transform: translateX(0);
}

.chat-list.visible .chat-item:nth-child(1) { transition-delay: 0.1s; }
.chat-list.visible .chat-item:nth-child(2) { transition-delay: 0.15s; }
.chat-list.visible .chat-item:nth-child(3) { transition-delay: 0.2s; }
.chat-list.visible .chat-item:nth-child(4) { transition-delay: 0.25s; }

.chat-item:hover {
  background: rgba(255,255,255,0.15);
}

.chat-item.active {
  background: rgba(255,255,255,0.25);
  font-weight: 600;
}

/* Messages column */
.chat-main {
  text-align: left;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 25px;
}

.chat-main h2 {
  text-align: center;
  margin-bottom: 20px;
}

.messages {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 15px;
  margin-bottom: 20px;
  flex-grow: 1;
  overflow-y: auto;
  border: 1px solid rgba(255, 255, 255, 0.1);
  scroll-behavior: smooth;
}

.message-item {
  margin-bottom: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  word-wrap: break-word;
  animation: fadeIn 0.3s ease forwards;
  max-width: 80%;
}

.message-container {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.message-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
}

.message-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.message-content {
  flex-grow: 1;
}

.message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.timestamp {
  font-size: 0.8em;
  opacity: 0.7;
}

.date-separator {
  text-align: center;
  margin: 20px 0;
  position: relative;
  color: var(--text-color-light);
  opacity: 0.7;
}

.date-separator::before,
.date-separator::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 45%;
  height: 1px;
  background: currentColor;
  opacity: 0.3;
}

.date-separator::before {
  left: 0;
}

.date-separator::after {
  right: 0;
}

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

.message-item .sender {
font-weight: 600;
color: #fdbb2d;
}

.message-item.self {
float: right;
display: inline-block;
clear: both;
text-align: right;
background: rgba(253, 187, 45, 0.3); /* Brighter golden background */
border: 1px solid rgba(253, 187, 45, 0.5); /* Golden border */
max-width: 75%;
width: fit-content;
word-wrap: break-word;
box-shadow: 0 2px 8px rgba(253, 187, 45, 0.2); /* Subtle glow */
}

.message-item.self .sender {
color: #fdbb2d; /* Changed to match the theme */
}

.message-input {
  display: flex;
  gap: 10px;
}

.message-input input {
  flex-grow: 1;
  padding: 12px 15px;
}

.sidebar-nav {
  margin-top: auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.nav-btn {
  width: 100%;
}

#settings-btn {
  background: rgba(253, 187, 45, 0.4);
}

#settings-btn:hover {
  background: rgba(253, 187, 45, 0.6);
}

#logout-btn {
  background: rgba(178, 31, 31, 0.4);
}

#logout-btn:hover {
  background: rgba(178, 31, 31, 0.6);
}

/* Settings Styles */
.settings-main {
  flex: 2;
  padding: 25px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  opacity: 1;
  transform: translateX(0);
  transition: opacity var(--transition-speed) ease, transform var(--transition-speed) ease, background var(--transition-speed) ease;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: calc(100% - 280px);
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(8px);
  z-index: 900; /* ensure settings sits above blurred content */
}

/* Dark mode: use a stronger tint so the settings panel remains readable */
body.dark-mode .settings-main {
  background: rgba(0, 0, 0, 0.54);
  backdrop-filter: blur(8px);
}

/* Ensure all text inside the settings panel uses theme-aware colors */
.settings-main {
  color: var(--text-color-light);
}

body.dark-mode .settings-main {
  color: var(--text-color-dark);
}

.settings-main.hidden {
  opacity: 0;
  transform: translateX(20px);
  pointer-events: none;
}

.settings-content {
  /* Make inner content less transparent for legibility */
  background: rgba(255, 255, 255, 0.18);
  border-radius: 15px;
  padding: 20px;
  margin-top: 20px;
  transition: background var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* inherit text color for inner elements and labels */
.settings-content,
.settings-content * {
  color: inherit;
}

.settings-section {
  margin-bottom: 30px;
}

.settings-section h3 {
  margin-bottom: 15px;
  color: var(--accent-color-light);
}

body.dark-mode .settings-section h3 {
  color: var(--accent-color-dark);
}

.setting-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 15px;
  padding: 10px;
  background: rgba(255, 255, 255, 0.10);
  border-radius: 8px;
  transition: all var(--transition-speed) ease;
  box-shadow: 0 6px 18px rgba(6, 12, 20, 0.08);
}

/* Center the About / profile block: stack label, avatar and name */
.profile-section {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 12px;
}

.profile-section .app-maker {
  margin: 0;
  font-weight: 600;
}

.profile-section .profile-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.profile-section .profile-link span {
  display: block;
}

/* Style labels inside setting items */
.setting-item label {
  font-weight: 500;
  color: var(--accent-color-light);
  opacity: 0.9;
  transition: color var(--transition-speed) ease;
  letter-spacing: 0.2px;
}

body.dark-mode .settings-content {
  background: rgba(255, 255, 255, 0.03);
}

body.dark-mode .setting-item {
  background: rgba(255, 255, 255, 0.02);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5);
}

body.dark-mode .setting-item label {
  color: var(--accent-color-dark);
  opacity: 0.95;
}

body.settings-open .chat-main,
body.settings-open .chat-sidebar > :not(.sidebar-nav) {
  filter: blur(6px) brightness(0.85);
  transition: filter var(--transition-speed) ease;
  pointer-events: none;
  user-select: none;
}

body.settings-open .sidebar-nav {
  pointer-events: auto;
  user-select: auto;
  position: relative;
  z-index: 910;
  filter: none;
}

@media (max-width: 899px) {
  /* On small screens, reduce blur a bit to avoid performance issues */
  body.settings-open .chat-main,
  body.settings-open .chat-sidebar > :not(.sidebar-nav) {
    filter: blur(4px) brightness(0.88);
  }
  .settings-main {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    padding: 20px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(6px);
    z-index: 1002; /* above sidebar-nav */
    border-radius: 0;
  }

  body.dark-mode .settings-main {
    background: rgba(8,8,10,0.96);
  }

  .settings-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: #333;
    font-size: 1.3rem;
    cursor: pointer;
    padding: 10px 15px;
    margin-top: 20px;
    border-radius: 8px;
    transition: background-color 0.3s ease, color 0.3s ease;
  }

  .settings-close:hover {
    background-color: rgba(0, 0, 0, 0.1);
  }
  
  body.dark-mode .settings-close { 
    color: #fff; 
  }
  
  body.dark-mode .settings-close:hover {
    background-color: rgba(255, 255, 255, 0.1);
  }
}

/* Switch Toggle */
.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(128, 128, 128, 0.35);
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: rgb(100, 100, 100);
  transition: .4s;
}

input:checked + .slider {
  background-color: #2ecc71;
}

input:checked + .slider:before {
  transform: translateX(26px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

/* Profile Link */
.profile-link {
  display: flex;
  align-items: center;
  gap: 15px;
  text-decoration: none;
  color: var(--text-color-light);
  padding: 10px;
  border-radius: 8px;
  transition: background 0.3s ease, color var(--transition-speed) ease;
}

/* Ensure the "App Maker:" label and the profile name use dark text in light mode
   and light text in dark mode. These selectors are specific to override the
   parent .profile-link color when needed. */
.profile-link span,
.app-maker {
  color: #222; /* dark in light theme for contrast */
  transition: color var(--transition-speed) ease;
}

body.dark-mode .profile-link span,
body.dark-mode .app-maker {
  color: #fff; /* light text on dark theme */
}

.profile-image {
  /* Fixed circular avatar container — stays the same size regardless of content */
  width: 60px;
  height: 60px;
  min-width: 60px;
  min-height: 60px;
  flex: 0 0 60px; /* prevent flex children from shrinking/growing */
  border-radius: 50%;
  overflow: hidden;
  display: inline-block;
  vertical-align: middle;
  border: 2px solid var(--accent-color-light);
  background-color: rgba(0,0,0,0.06); /* subtle fallback if image missing */
}

.profile-image img {
  /* keep the image filling the circle without distorting; cropped as needed */
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Dark-mode overrides for profile link and borders */
body.dark-mode .profile-link { color: var(--text-color-dark); }
body.dark-mode .profile-image { border-color: var(--accent-color-dark); }

/* Slider / toggle color adjustments in dark mode */
body.dark-mode .slider { 
  background-color: rgba(128, 128, 128, 0.25);
}
body.dark-mode input:checked + .slider {
  background-color: #27ae60;
}
body.dark-mode .slider:before { 
  background-color: #fff;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* === DESKTOP LAYOUT === */
@media (min-width: 900px) {
  .card:not(#dashboard-card) {
    max-width: 900px;
    min-height: 600px;
    overflow: hidden;
  }

  #dashboard-card {
    height: calc(100vh - 60px);
  }

  .dashboard-container {
    flex-direction: row;
    align-items: stretch;
    gap: 0;
  }

  .chat-sidebar {
    flex: 1;
    max-width: 280px;
    border-right: 1px solid rgba(255,255,255,0.15);
    border-bottom: none;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  .chat-main {
    flex: 2;
    padding-left: 25px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  .messages {
    flex-grow: 1;
    max-height: none;
    overflow-y: auto;
  }

  .message-input {
    margin-top: auto;
  }
}