/**
 * CSS Variables
 */
:root {
  /* Colors */
  --background: #0f111a;
  --foreground: #e4e4e4;
  --accent: #00bcd4;
  --muted: #666;

  /* Sizes */
  --fab: 40px;
  --gap: 8px;
  --rail-max: 650px;

  /* Safe area insets */
  --safe-left: 12px;
  --safe-right: 12px;
}

@supports (padding: max(0px)) {
  :root {
    --safe-left: max(12px, env(safe-area-inset-left));
    --safe-right: max(12px, env(safe-area-inset-right));
  }
}

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

/**
 * Base Styles
 */
html,
body {
  height: 100%;
  background: var(--background);
  color: var(--foreground);
  font-family: "Fira Code", monospace;
  text-align: center;
  display: block;
  padding: 2rem;
}

@media (max-width: 500px) {
  html,
  body {
    padding: 0;
  }
}
main {
  display: flex;
  flex-direction: column;
  align-items: center;
}

h1 {
  font-size: 3rem;
  letter-spacing: 0.05em;
  animation: fadeIn 1.5s ease-out;
}

.pulse {
  color: var(--accent);
  font-weight: bold;
  animation: pulse 2s infinite;
}

p {
  margin-top: 1rem;
  font-size: 1.1rem;
  color: var(--muted);
}

footer {
  position: absolute;
  bottom: 1rem;
  left: 0;
  width: 100%;
  display: flex;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--muted);
}

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

@keyframes pulse {
  0% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
  100% {
    opacity: 1;
  }
}

/**
 * Chat Message Display
 */

#transcriptionBox {
  align-self: center;
  position: static;
  max-width: var(--rail-max);
  overscroll-behavior: contain;
  touch-action: pan-y;
  -webkit-overflow-scrolling: touch;
  height: 40vh;
  overflow-y: auto;
  background: #1a1c2b;
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 1rem;
  color: var(--foreground);
  font-size: 0.95rem;
  line-height: 1.4;
  text-align: left;
  box-shadow: 0 0 8px #0006;
}


#transcriptionBox > .message {
  margin-bottom: 0.5rem;
  padding: 0.4rem 0.6rem;
  border: 1px solid #333;
  border-radius: 4px;
  background: #222;
  word-break: break-word;
}

/**
 * Modal Styles
 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.modal-content {
  position: relative;
  background: #1a1c2b;
  padding: 2rem;
  border-radius: 8px;
  width: 300px;
  text-align: center;
  box-shadow: 0 0 10px #000a;
}

.modal-content input {
  width: 100%;
  padding: 0.6rem;
  margin: 0.5rem 0;
  border: 1px solid var(--accent);
  border-radius: 4px;
  background: #222;
  color: var(--foreground);
}

.modal-content button {
  width: 100%;
  padding: 0.6rem;
  background: var(--accent);
  border: none;
  border-radius: 4px;
  color: white;
  cursor: pointer;
  margin-top: 0.5rem;
}

.modal-content button:hover {
  background: #0097a7;
}

.error {
  color: red;
  font-size: 0.9rem;
  margin-top: 0.3rem;
}

.divider {
  margin: 1rem 0;
  border-top: 1px solid #333;
}

/**
 * Chat Interface
 */
.chat-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--background);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem;
  z-index: 1000;
  justify-content: center;
}

.chat-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.chat-header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.select-chat-button {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  font-size: 0.9rem;
  background: var(--accent);
  color: #0b0f1a;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.2s;
}

.select-chat-button.show {
  display: inline-flex;
}

.select-chat-button:hover {
  background: #0097a7;
}

.select-chat-button svg {
  transition: transform 0.2s;
}

.select-chat-button:hover svg {
  transform: translateY(1px);
}

.chat-header span {
  color: var(--foreground);
  font-size: 1rem;
}

.chat-header button {
  padding: 0.4rem 0.8rem;
  font-size: 0.9rem;
  background: #444;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.chat-header button:hover {
  background: #666;
}

.enter-chat-button {
  padding: 0.75rem 1.5rem;
  font-size: 1.2rem;
  background: var(--accent);
  border: none;
  border-radius: 4px;
  color: white;
  cursor: pointer;
  margin-top: 2rem;
}

.enter-chat-button:hover {
  background: #0097a7;
}

.close-modal {
  position: absolute;
  top: 10px;
  right: 12px;
  background: transparent !important;
  border: none !important;
  color: var(--muted) !important;
  font-size: 1.5rem !important;
  font-weight: bold;
  line-height: 1;
  padding: 0 !important;
  margin: 0 !important;
  width: auto !important;
  height: auto !important;
  display: inline !important;
  box-shadow: none !important;
  border-radius: 0 !important;
}

.close-modal:hover {
  color: var(--accent);
}

/**
 * Message Composition
 */
body.modal-open {
  overflow: hidden;
  height: 100%;
}

.compose {
  position: relative;
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

.compose .field-wrap {
  position: relative;
  width: 100%;
  padding-bottom: calc(var(--fab) / 2 + 10px);
}

.compose textarea {
  flex: 1;
  resize: vertical;
  min-height: 3.2em;
  max-height: 35vh;
  line-height: 1.3;
  font-size: 16px;
  background: #1a1c2b;
  border: 2px solid var(--accent);
  border-radius: 12px;
  color: var(--foreground);
  font-family: "Fira Code", monospace;
  padding: 12px;
  width: 100%;
}

.compose .field-wrap textarea#userText {
  padding-right: calc(var(--fab) * 2 + var(--gap) * 3);
  overflow-y: auto;
}

.compose .field-wrap .fab {
  position: absolute;
  bottom: 10px;
  width: var(--fab);
  height: var(--fab);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
  user-select: none;
  z-index: 2;
}

.compose .field-wrap .send-fab {
  right: var(--gap);
  background: var(--accent);
  color: #0b0f1a;
  font-weight: 700;
}

.compose .field-wrap .mic-fab {
  right: calc(var(--gap) + var(--fab) + var(--gap));
  background: #2a2e44;
  color: #cbd5e1;
}

.mic-fab.recording {
  background: #00bcd4;
  color: #0b0f1a;
  z-index: 10;
  box-shadow:
    0 0 8px rgba(0, 188, 212, 0.8),
    0 0 20px rgba(0, 188, 212, 0.6),
    0 0 35px rgba(0, 188, 212, 0.4);
  animation: micGlow 1.5s ease-in-out infinite;
  transition: background 0.3s, box-shadow 0.3s;
}

@keyframes micGlow {
  0%,
  100% {
    box-shadow:
      0 0 10px rgba(0, 188, 212, 0.6),
      0 0 25px rgba(0, 188, 212, 0.4),
      0 0 40px rgba(0, 188, 212, 0.2);
    transform: scale(1);
  }
  50% {
    box-shadow:
      0 0 20px rgba(0, 188, 212, 1),
      0 0 45px rgba(0, 188, 212, 0.9),
      0 0 60px rgba(0, 188, 212, 0.6);
    transform: scale(1.08);
  }
}

.fab .icon {
  width: 22px;
  height: 22px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/**
 * Chat Layout
 */
.chat-rail {
  width: min(94vw, var(--rail-max));
  max-width: var(--rail-max);
  margin: 0 3px 0 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-left: max(12px, env(safe-area-inset-left));
  padding-right: max(12px, env(safe-area-inset-right));
}

.chat-rail > .compose,
.chat-rail > #transcriptionBox {
  width: 100%;
}

.highlight {
  outline: 2px solid var(--accent);
  transition: outline 0.6s ease-out;
}

/**
 * Chat Selector Modal (Admin Only)
 */
.chat-selector-modal {
  max-width: 500px;
  width: 90vw;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

.chat-selector-modal h2 {
  margin-bottom: 1rem;
  color: var(--foreground);
}

.chat-selector-modal #chatSearchInput {
  width: 100%;
  padding: 0.6rem;
  margin-bottom: 1rem;
  border: 1px solid var(--accent);
  border-radius: 4px;
  background: #222;
  color: var(--foreground);
  font-family: "Fira Code", monospace;
}

.chat-selector-list {
  list-style: none;
  padding: 0;
  margin: 0;
  overflow-y: auto;
  flex: 1;
  max-height: 60vh;
}

.chat-selector-item {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  margin-bottom: 0.5rem;
  background: #222;
  border: 1px solid #333;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
}

.chat-selector-item:hover {
  background: #2a2e44;
  border-color: var(--accent);
}

.chat-selector-item.active {
  background: #1a3d4a;
  border-color: var(--accent);
  box-shadow: 0 0 8px rgba(0, 188, 212, 0.3);
}

.chat-selector-item.unread {
  border-left: 3px solid var(--accent);
}

.chat-selector-name {
  font-weight: 600;
  color: var(--foreground);
  margin-bottom: 0.3rem;
  font-size: 1rem;
}

.chat-selector-preview {
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 0.3rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-selector-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--muted);
}

.unread-badge {
  color: var(--accent);
  font-size: 1.2rem;
  margin-left: 0.5rem;
}