:root {
  --bg-color: #121212;
  --surface-color: #1e1e1e;
  --on-surface-color: #e0e0e0;
  --primary-color: #bb86fc;
  --primary-variant: #3700b3;
  --secondary-color: #03dac6;
  --text-color: #ffffff;
  --text-secondary: #b0b0b0;
  --error-color: #cf6679;
  --green-color: #4CAF50;
  --yellow-color: #FFEB3B;
  --red-color: #F44336;
}

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

@font-face {
  font-family: "Poly Sans";
  src: url('/fonts/PolySans Neutral.ttf'); format('truetype');
}
@font-face {
  font-family: "Poly Sans Bulky";
  src: url('/fonts/PolySans Bulky.ttf'); format('truetype');
}
@font-face {
  font-family: "Poly Sans Slim";
  src: url('/fonts/PolySans Slim.ttf'); format('truetype');
}

body {
  font-family: 'Poly Sans', 'Roboto', 'Arial', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.6;
}

.container {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  padding: 2rem;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

h1, .page-title {
  font-family: 'Poly Sans Bulky', 'Roboto', 'Arial', sans-serif;
}

.subtitle, .user-info, .label, .settings-link, .user-item {
  font-family: 'Poly Sans Slim', 'Roboto', 'Arial', sans-serif;
}

h1 {
  text-align: center;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-size: 2.5rem;
}

.subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  display: block;
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  color: var(--text-color);
  font-weight: 500;
}

input[type="text"] {
  width: 100%;
  padding: 0.75rem;
  background-color: var(--surface-color);
  border: 1px solid var(--primary-color);
  border-radius: 4px;
  color: var(--text-color);
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

input[type="text"]:focus {
  outline: none;
  border-color: var(--secondary-color);
}

.btn-primary, .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 25px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  font-family: 'Poly Sans', 'Roboto', 'Arial', sans-serif;
}

.btn-primary {
  background-color: var(--primary-color);
  color: var(--bg-color);
  box-shadow: 0 4px 6px rgba(187, 134, 252, 0.3);
}

.btn-secondary {
  background-color: var(--surface-color);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  box-shadow: 0 4px 6px rgba(187, 134, 252, 0.2);
}

.btn-primary:hover, .btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 8px rgba(187, 134, 252, 0.4);
}

.btn-primary:active, .btn-secondary:active {
  transform: translateY(1px);
  box-shadow: 0 2px 4px rgba(187, 134, 252, 0.4);
}

.btn-primary::after, .btn-secondary::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 5px;
  height: 5px;
  background: rgba(255, 255, 255, 0.5);
  opacity: 0;
  border-radius: 100%;
  transform: scale(1, 1) translate(-50%);
  transform-origin: 50% 50%;
}

@keyframes ripple {
  0% {
    transform: scale(0, 0);
    opacity: 1;
  }
  20% {
    transform: scale(25, 25);
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: scale(40, 40);
  }
}

.btn-primary:focus:not(:active)::after,
.btn-secondary:focus:not(:active)::after {
  animation: ripple 1s ease-out;
}

#updateNameBtn {
  background-color: var (--secondary-color);
  color: var(--bg-color);
}

#closeModal {
  background-color: var(--surface-color);
  color: var(--text-color);
  border: 2px solid var(--text-color);
}

#joinRoom {
  background-image: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
  color: var(--bg-color);
  font-size: 1.1rem;
  padding: 1rem 2rem;
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

#joinRoom::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-image: linear-gradient(45deg, var(--secondary-color), var(--primary-color));
  z-index: -1;
  transition: opacity 0.5s ease;
  opacity: 0;
}

#joinRoom:hover::before {
  opacity: 1;
}

#joinRoom:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 8px rgba(187, 134, 252, 0.4);
}

.user-info {
  text-align: left;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.user-controls {
  position: fixed;
  height: 70px;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--surface-color);
  padding: 10px 20px;
  border-radius: 25px;
  box-shadow: 0px 0px 2px black;
  display: flex;
  align-items: center;
  gap: 20px;
  z-index: 1000;
}

.user-list {
  flex-grow: 1;
  display: grid;
  gap: 1rem;
  height: 100%;
  width: 100%;
  justify-content: center;
}

.user-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 100%;
  max-height: 70vh;
  aspect-ratio: 16 / 9;
  justify-self: center;
  width: 100%;
}

.menu-btn {
  background-color: var(--surface-color);
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  color: var(--primary-color);
  font-size: 1.5rem;
  padding: 0.5rem;
  transition: background-color 0.3s ease;
  display: none;
  position: absolute;
  top: 5px;
  right: 5px;
  z-index: 1;
}

.user-item:hover .menu-btn,
.menu-btn-active {
  display: block;
}

.user-item:hover .menu-btn {
  display: block;
}

.menu-btn:hover {
  background-color: var(--primary-variant);
}

.fas .fa-ellipsis-v {
  width: 10px;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 50px;
  right: 5px;
  background-color: var(--surface-color);
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  z-index: 2;
  width: 150px;
  padding: 0.5rem 0;
}

.dropdown-menu.open {
  display: block;
}

.dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 5px;
  padding: 0.5rem 1rem;
  color: var(--text-color);
  font-size: 1rem;
  cursor: pointer;
}

.toggle-input {
  display: none;
}

.toggle-slider {
  width: 50px;
  height: 25px;
  background-color: var(--text-secondary);
  border-radius: 25px;
  position: relative;
  transition: background-color 0.3s;
  cursor: pointer;
}

.toggle-slider:before {
  content: "";
  position: absolute;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background-color: var(--bg-color);
  top: 2px;
  left: 2px;
  transition: transform 0.3s;
}

.captions-toggle:checked + .toggle-slider {
  background-color: var(--primary-color);
}

.captions-toggle:checked + .toggle-slider:before {
  transform: translateX(25px);
}

.fullscreen-btn {
  display: flex;
  align-items: center;
  justify-content: start;
  gap: 5px;
  padding: 0.5rem 1rem;
  color: var(--text-color);
  font-size: 1rem;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  transition: background-color 0.3s ease;
}

.fullscreen-btn i {
  margin-right: 0.5rem;
}

@media (max-width: 768px) {
    .dropdown-menu {
        width: 180px;
        top: 60px;
    }

    .dropdown-item {
        font-size: 1.1rem;
    }

    .menu-btn {
        width: 50px;
        height: 50px;
    }
}

.video-off-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #000;
}

.user-icon {
  font-size: 48px;
  color: #fff;
}

.video-container {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 12px;
  overflow: hidden;
  background-color: #000;
}

.video-container video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: none;
}

.user-item .video-container video {
  display: block;
}

.user-item .status-bar {
  background-color: rgba(0, 0, 0, 0.5);
}

.status-bar {
  padding: 0.5rem 1rem;
  background-color: var(--surface-color);
  color: var(--text-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 12px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.left-container i {
  margin-right: 1em;
}

.left-container, .right-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

@media (min-width: 768px) {
  .user-list {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
  }

  .user-list.single-user .user-item {
    max-height: calc(100vh - 200px);
    max-width: 800px;
    width: 100%;
  }

  .user-list.two-users .user-item {
    max-height: calc(50vh - 100px);
    max-width: 600px;
    width: 100%;
  }
}

@media (max-width: 767px) {
  .user-list {
      grid-template-columns: 1fr;
      gap: 1rem;
  }

  .user-item {
      max-height: 50vh;
  }
}

.room-controls {
    display: flex;
    justify-content: center;
    padding: 1rem 0;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.mic-on {
  color: var(--green-color);
}

.mic-off {
  color: var(--red-color);
}

.video-on {
  color: var(--green-color);
}

.video-off {
  color: var(--red-color);
}

.talking-indicator {
  color: var(--secondary-color);
  font-size: 1rem;
  margin-left: 1em;
}

.network-speed {
  display: flex;
  margin-right: 0.5em;
  align-items: center;
}

.network-bar {
  width: 4px;
  height: 8px;
  margin-right: 2px;
  background-color: var(--text-secondary);
  border-radius: 1px;
}

.network-bar.active {
  background-color: var(--green-color);
}

.network-bar.active.medium {
  background-color: var(--yellow-color);
}

.network-bar.active.slow {
  background-color: var(--error-color);
}

.ping-indicator {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-right: 0.5em;
}

.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0,0,0,0.5);
  overflow: auto;
}

.modal-content {
  background-color: var(--surface-color);
  margin: 15% auto;
  padding: 2rem;
  border-radius: 8px;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.btn-icon {
  background: none;
  border: none;
  color: var(--primary-color);
  cursor: pointer;
  font-size: 1.5rem;
  padding: 0.5rem;
  transition: color 0.3s ease;
}

.btn-icon:hover {
  color: var(--secondary-color);
}

.back-arrow {
  color: var(--primary-color);
  font-size: 1.5rem;
  margin-right: 1rem;
  text-decoration: none;
  transition: color 0.3s ease;
}

.back-arrow:hover {
  color: var(--secondary-color);
}

.page-title {
  font-weight: bold;
  font-size: 1.4em;
  color: var(--primary-color);
}

.user-name {
  font-weight: bold;
  color: var(--primary-color);
  margin-right: 0.2em;
}

.user-list-name {

}

.settings-link {
  color: var(--secondary-color);
  text-decoration: underline;
  cursor: pointer;
}

.settings-link:hover {
  color: var(--primary-color);
}

.toggle-wrapper {
  display: flex;
  align-items: center;
}

.toggle-input {
  display: none;
}

.toggle-label {
  display: inline-block;
  width: 60px;
  height: 34px;
  background-color: var(--bg-color);
  border-radius: 17px;
  position: relative;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.toggle-button {
  width: 26px;
  height: 26px;
  background-color: var(--text-color);
  border-radius: 50%;
  position: absolute;
  top: 4px;
  left: 4px;
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.toggle-input:checked + .toggle-label {
  background-color: var(--primary-variant);
}

.toggle-input:checked + .toggle-label .toggle-button {
  transform: translateX(26px);
  background-color: var(--primary-color);
}

.mic-icon {
  font-size: 1.2rem;
  width: 30px;
  text-align: center;
  margin-left: 0.5rem;
  transition: color 0.3s ease;
}

.video-icon {
  font-size: 1.2rem;
  width: 30px;
  text-align: center;
  margin-left: 0.5rem;
  transition: color 0.3s ease;
}

#flipCameraBtn {
  display: none;
  width:
  margin-left: 0.5rem;
}

#flipCameraBtn.visible {
  display: inline-block;
}

.room-container {
  margin-bottom: 120px;
  max-width: 100%;
  padding: 1rem;
  display: flex;
  flex-direction: column;
}

.top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-bottom: 1em;
}

.room-header {
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.room-info {
  flex: 1;
}

.video-preview-container {
  align-self: center;
  width: 120px;
  height: 90px;
  overflow: visible;
  border-radius: 8px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

#localVideoPreview {
  max-width: 120px;
  max-height: 90px;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 8px;
}

.room-header h1 {
  text-align: left;
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.stopwatch {
    color: var(--text-secondary);
}

.hexagon-loader {
    position: relative;
    width: 100px;
    height: 86.6px;
    margin: 20px auto;
}

.hexagon-loader .dot {
    position: absolute;
    width: 15px;
    height: 15px;
    background-color: var(--primary-color);
    border-radius: 50%;
    animation-duration: 0.7s;
    animation-iteration-count: infinite;
    animation-timing-function: ease-in-out;
}

.hexagon-loader .dot:nth-child(odd) {
    animation-name: glowFadeOdd;
}

.hexagon-loader .dot:nth-child(even) {
    animation-name: glowFadeEven;
}

.dot:nth-child(1) { top: 0; left: 50%; transform: translateX(-50%); }
.dot:nth-child(2) { top: 23%; left: 79.5%; transform: translateX(-50%); }
.dot:nth-child(3) { bottom: 23%; left: 79.5%; transform: translateX(-50%); }
.dot:nth-child(4) { bottom: 0; left: 50%; transform: translateX(-50%); }
.dot:nth-child(5) { bottom: 23%; left: 20.5%; transform: translateX(-50%); }
.dot:nth-child(6) { top: 23%; left: 20.5%; transform: translateX(-50%); }

@keyframes glowFadeOdd {
    0%, 100% { 
        box-shadow: 0 0 5px 2px rgba(187, 134, 252, 0.7);
        opacity: 1;
        transform: scale(1.4);
    }
    50% { 
        box-shadow: none;
        opacity: 0.5;
        transform: scale(1);
    }
}

@keyframes glowFadeEven {
    0%, 100% { 
        box-shadow: none;
        opacity: 0.5;
        transform: scale(1);
    }
    50% { 
        box-shadow: 0 0 5px 2px rgba(187, 134, 252, 0.7);
        opacity: 1;
        transform: scale(1.4);
    }
}

.loading-animation {
    display: none;
}

@keyframes spin {
  to {
      transform: rotate(360deg);
  }
}

@media (max-width: 768px) {
  .container {
      padding: 1rem;
  }

  .modal-content {
      margin: 10% auto;
      width: 95%;
  }

  .user-controls {
      padding: 10px;
      gap: 10px;
  }

  .stopwatch {
    text-align: center;
  }
}

.home-top-row {
  justify-content: flex-end;
}

.room-top-row {
  justify-content: space-between;
}

.no-users-message {
    grid-column: 1 / -1;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    font-size: 1.5rem;
    color: var(--text-secondary);
}