html {
  height: 100%;
}

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

body {
  font-family: monospace;
  background: #000;
  color: #fff;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#app {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 16px;
  border-bottom: 1px solid #333;
}

header h1 {
  font-size: 14px;
  font-weight: normal;
}

#tagline {
  color: #666;
  font-size: 12px;
}

#status-wrap {
  position: relative;
}

#status {
  appearance: none;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: #666;
  background: transparent;
  border: 0;
  padding: 0;
  font-family: monospace;
  cursor: default;
}

#status::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #a33;
  flex: 0 0 8px;
}

#status.connected {
  color: #fff;
}

#status.connected::before {
  background: #38c172;
}

main {
  flex: 1;
  display: flex;
  flex-direction: row;
  overflow: hidden;
  min-height: 0;
}

#video-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: #111;
  border-right: 1px solid #333;
  flex: 2;
  min-width: 0;
  min-height: 0;
  overflow-y: auto;
}

#video-container.active {
  justify-content: center;
  align-items: stretch;
}

#video-intro {
  max-width: 460px;
  padding: 24px;
  color: #bbb;
}

#video-intro h2 {
  font-size: 24px;
  font-weight: normal;
  color: #fff;
  margin-bottom: 14px;
}

#video-intro p {
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 14px;
}

#video-intro-list {
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 13px;
  line-height: 1.5;
}

#video-intro-list li {
  padding-left: 14px;
  position: relative;
}

#video-intro-list li::before {
  content: "+";
  position: absolute;
  left: 0;
  color: #777;
}

#video-container.active #video-intro {
  display: none;
}

#video-container:not(.active) #image-tile-wrap {
  display: none;
}

#camera-controls {
  display: none;
  justify-content: flex-end;
  align-items: center;
  padding: 8px;
  gap: 8px;
}

#video-container.active #camera-controls {
  display: flex;
}

#image-tile-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
}

#close-recommended-btn {
  display: none;
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 2;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  font-size: 28px;
  line-height: 1;
}

#close-recommended-btn.visible {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

#start-btn {
  margin-top: 8px;
  padding: 16px 48px;
  font-size: 18px;
  font-family: monospace;
  background: #222;
  border: 1px solid #444;
  color: #fff;
  cursor: pointer;
}

#start-btn:hover {
  background: #333;
}

#start-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

#start-btn:disabled:hover {
  background: #222;
}

#video-container.active #start-btn {
  display: none;
}

#flip-camera-btn {
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  font-size: 22px;
  line-height: 1;
}

.camera-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid #444;
  color: #ddd;
  font-size: 12px;
}

.camera-toggle input {
  accent-color: #38c172;
}

#camera {
  display: none;
  width: 100%;
  max-height: 240px;
  object-fit: contain;
  flex-shrink: 0;
}

#video-container.active #camera {
  display: block;
  max-height: 30%;
}

#video-container:not(.active) #image-tile {
  display: none;
}

#image-tile {
  --tile-grid-size: 8;
  display: grid;
  grid-template-columns: repeat(var(--tile-grid-size), 1fr);
  grid-template-rows: repeat(var(--tile-grid-size), auto);
  gap: 0;
  width: 100%;
  height: 100%;
  min-height: 0;
  align-content: center;
}

#image-tile img {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border: 1px solid #333;
  opacity: 0;
  position: relative;
  z-index: 1;
  transition: opacity 1.333s ease, filter 1.333s ease;
}

#image-tile img.loaded {
  opacity: 1;
}

#image-tile img.fade-out {
  opacity: 0;
  z-index: 2;
  pointer-events: none;
  transition: opacity 1.333s ease, filter 1.333s ease;
}

#chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  min-height: 0;
}

#chat-empty-state {
  padding: 24px 16px 8px;
  border-bottom: 1px solid #222;
}

#chat-empty-state.hidden {
  display: none;
}

#chat-empty-state.prestart {
  display: none;
}

#chat-empty-state h2 {
  font-size: 18px;
  font-weight: normal;
  margin-bottom: 10px;
  color: #fff;
}

#chat-empty-state p {
  color: #999;
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 10px;
  max-width: 42ch;
}

#chat-empty-examples {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.suggestion-btn {
  text-align: left;
  white-space: normal;
}

#messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.message {
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.5;
}

.message .role {
  font-weight: bold;
  margin-right: 8px;
}

.message.user .role {
  color: #aaa;
}

.message.agent .role {
  color: #fff;
}

.message .text {
  color: #ccc;
}

.message.agent .text {
  color: #fff;
}

.message.interrupted .text {
  color: #666;
  font-style: italic;
}

#input-bar {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid #333;
}

#text-input {
  flex: 1;
  background: #111;
  border: 1px solid #333;
  color: #fff;
  padding: 8px 12px;
  font-family: monospace;
  font-size: 14px;
  outline: none;
}

#text-input:focus {
  border-color: #666;
}

button {
  background: #222;
  border: 1px solid #444;
  color: #fff;
  padding: 8px 16px;
  font-family: monospace;
  font-size: 13px;
  cursor: pointer;
}

button:hover {
  background: #333;
}

button.active {
  background: #fff;
  color: #000;
}

footer {
  flex: 0 0 auto;
  padding: 4px 8px calc(4px + env(safe-area-inset-bottom));
  font-size: 10px;
  color: #444;
  background: #000;
}

footer a {
  color: #555;
  text-decoration: underline;
}

footer a:hover {
  color: #888;
}

/* Item popup */

#item-popup {
  pointer-events: none;
}

#item-popup.active {
  pointer-events: auto;
}

#popup-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 100;
  opacity: 0;
  transition: opacity 0.3s ease;
}

#item-popup.active #popup-backdrop {
  opacity: 1;
}

#popup-content {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 101;
  background: #111;
  border: 1px solid #333;
  max-width: 480px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  opacity: 0;
  transition: opacity 0.3s ease;
}

#item-popup.visible #popup-content {
  opacity: 1;
}

#popup-close {
  position: absolute;
  top: 8px;
  right: 8px;
  background: none;
  border: none;
  color: #999;
  font-size: 24px;
  padding: 4px 8px;
  z-index: 1;
}

#popup-close:hover {
  color: #fff;
}

#popup-image {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

#popup-details {
  padding: 16px;
}

#popup-name {
  font-size: 16px;
  font-weight: normal;
  margin-bottom: 8px;
}

#popup-price {
  font-size: 18px;
  color: #fff;
  margin-bottom: 8px;
}

#popup-description {
  font-size: 13px;
  color: #999;
  margin-bottom: 12px;
  line-height: 1.5;
}

main:has(#video-container.active) {
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(190px, 31vw, 320px);
  grid-template-rows: minmax(180px, 30vh) minmax(0, 1fr);
}

main:has(#video-container.active) #video-container.active {
  display: contents;
}

main:has(#video-container.active) #image-tile-wrap {
  grid-column: 1;
  grid-row: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  min-height: 0;
  padding: 12px;
  background: #111;
  border-right: 1px solid #333;
  overflow: hidden;
}

main:has(#video-container.active) #image-tile {
  width: auto;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  aspect-ratio: 1;
}

main:has(#video-container.active) #camera {
  grid-column: 2;
  grid-row: 1;
  display: block;
  width: 100%;
  height: 100%;
  max-height: none;
  min-height: 0;
  object-fit: contain;
  background: #000;
}

main:has(#video-container.active) #camera-controls {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
  align-self: start;
  justify-self: stretch;
  padding: 8px;
  pointer-events: none;
  z-index: 2;
}

main:has(#video-container.active) #camera-controls > * {
  pointer-events: auto;
}

main:has(#video-container.active) #flip-camera-btn {
  width: 44px;
  min-width: 44px;
  max-width: 44px;
  height: 44px;
  min-height: 44px;
  max-height: 44px;
  padding: 0;
  flex: 0 0 44px;
  pointer-events: auto;
}

main:has(#video-container.active) #chat {
  grid-column: 2;
  grid-row: 2;
  min-width: 0;
  min-height: 0;
  border-top: 1px solid #333;
}

@media (max-width: 700px) {
  main:has(#video-container.active) {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    grid-template-rows: minmax(0, 0.88fr) minmax(0, 1.12fr);
  }

  main:has(#video-container.active) #image-tile-wrap {
    grid-column: 1 / -1;
    grid-row: 1;
    border-right: 0;
    border-bottom: 1px solid #333;
    padding: 10px;
  }

  main:has(#video-container.active) #image-tile {
    width: auto;
    height: 100%;
    max-width: 100%;
    max-height: 100%;
    margin: 0 auto;
    aspect-ratio: 1;
  }

  main:has(#video-container.active) #camera {
    grid-column: 1;
    grid-row: 2;
    width: 100%;
    height: 100%;
    border-right: 1px solid #333;
    object-fit: cover;
  }

  main:has(#video-container.active) #camera-controls {
    grid-column: 1;
    grid-row: 2;
    padding: 6px;
  }

  main:has(#video-container.active) #chat {
    grid-column: 2;
    grid-row: 2;
    border-top: 0;
    min-width: 0;
    min-height: 0;
  }
}

@media (max-width: 480px) {
  header {
    padding: 10px 12px;
    gap: 12px;
  }

  header h1 {
    font-size: 13px;
  }

  #tagline {
    display: none;
  }

  #camera-controls {
    padding: 6px;
  }

  #video-intro {
    padding: 18px 16px 8px;
  }

  #video-intro h2 {
    font-size: 20px;
  }

  #image-tile {
    --tile-grid-size: 5;
  }

  main:has(#video-container.active) {
    grid-template-rows: minmax(0, 0.82fr) minmax(0, 1.18fr);
  }

  main:has(#video-container.active) #image-tile-wrap {
    padding: 6px;
  }

  main:has(#video-container.active) #image-tile {
    width: auto;
    height: 100%;
    max-width: 100%;
  }

  #messages {
    padding: 12px;
  }

  #chat-empty-state {
    padding: 18px 12px 6px;
  }

  #chat-empty-state h2 {
    font-size: 16px;
  }

  #input-bar {
    padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  }

  #text-input {
    min-width: 0;
  }
}