:root {
  --bg-color: #0a0a0a;
  --text-color: #d1d1d1;
  --accent-color: #00ff41;
  --border-color: #222;
  --input-bg: #111;
  --message-bg: #161616;
  --system-text: #666;
  --font-family: 'FiraCode Nerd Font', 'Courier New', monospace;
}

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

body {
  background-color: var(--bg-color);
  position: relative;
  color: var(--text-color);
  font-family: var(--font-family);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) var(--bg-color);
}

/* --- Welcome Page Styles --- */
.welcome-page {
  justify-content: center;
  align-items: center;
}

.welcome-page .container {
  max-width: 500px;
  width: 90%;
  text-align: center;
  border: 1px solid var(--border-color);
  padding: 2rem;
  background: #0d0d0d;
}

.hero {
  padding: none;
  border: none;
}

.hero h1 {
  font-size: 3rem;
  letter-spacing: 8px;
  color: var(--accent-color);
  margin-bottom: 0.5rem;
}

.subtitle {
  color: var(--system-text);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.welcome-text {
  margin-top: 2rem;
  margin-bottom: 2rem;
  line-height: 1.6;
  color: #888;
}

.button-group {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.primary-btn,
.okay-button,
.secondary-btn {
  font-family: var(--font-family);
  padding: 12px;
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.primary-btn,
.okay-button {
  background: var(--accent-color);
  color: var(--bg-color);
  border: none;
  font-weight: bold;
  text-decoration: none;
}

.primary-btn:hover {
  background: #00cc33;
  box-shadow: 0 0 15px rgba(0, 255, 65, 0.3);
}


#confirm-terminate-button {
  background: #ff3e3e;
}

#confirm-terminate-button:hover {
  background: #ff3e3e;
  box-shadow: 0 0 15px rgba(255, 62, 62, 0.3);
}

.username-section {
  margin-bottom: 1rem;
}

.username-section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

#join-input,
#username-input {
  margin-bottom: 0.8rem;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 12px;
  font-family: var(--font-family);
  text-align: center;
  outline: none;
}

#join-input:focus,
#username-input:focus {
  border-color: var(--system-text);
}

.secondary-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-color);
}

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

.meta-info {
  margin-top: 3rem;
  font-size: 0.7rem;
  color: #333;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  backdrop-filter: blur(5px);
}

.modal-overlay.hidden {
  display: none;
}

.modal-content {
  background: #0d0d0d;
  border: 1px solid var(--accent-color);
  padding: 2rem;
  width: 90%;
  max-width: 400px;
  box-shadow: 0 0 40px rgba(0, 255, 65, 0.1);
  text-align: left;
}

.modal-content h2 {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: var(--accent-color);
  letter-spacing: 3px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.modal-body {
  margin-bottom: 2rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  margin-bottom: 1.5rem;
}

.input-group label {
  font-size: 0.7rem;
  color: var(--system-text);
  letter-spacing: 1px;
}

#room-name {
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 12px;
  font-family: var(--font-family);
  outline: none;
}

#room-name:focus {
  border-color: var(--accent-color);
}

.info-box {
  background: #111;
  padding: 1rem;
  font-size: 0.8rem;
  color: #666;
  line-height: 1.6;
}

.modal-actions {
  display: flex;
  gap: 1rem;
}

.modal-actions button {
  flex: 1;
  font-size: 0.8rem;
}

/* --- Chat Page Styles --- */
.chat-page #app {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
}

header {
  padding: 0.75rem 1rem;
  background: var(--bg-color);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.header-top,
.header-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.header-bottom {
  padding-top: 0.5rem;
  border-top: 1px dashed #222;
}

.room-meta {
  display: flex;
  gap: 1.5rem;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.label {
  font-size: 0.65rem;
  color: var(--system-text);
  letter-spacing: 1px;
}

.value {
  font-size: 0.75rem;
  color: var(--text-color);
  font-weight: bold;
}

#room-id-display {
  color: var(--accent-color);
  background: #111;
  padding: 2px 6px;
  border-radius: 2px;
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--system-text);
  cursor: pointer;
  font-size: 1rem;
  padding: 0 4px;
  transition: color 0.2s;
}

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

.nuke-btn {
  background: transparent;
  border: 1px solid #ff3e3e;
  color: #ff3e3e;
  font-family: var(--font-family);
  font-size: 0.7rem;
  padding: 4px 10px;
  cursor: pointer;
  letter-spacing: 1px;
  transition: all 0.2s;
}

.nuke-btn:hover {
  background: #ff3e3e;
  color: #fff;
  box-shadow: 0 0 10px rgba(255, 62, 62, 0.3);
}

.room-stats {
  display: flex;
  align-items: center;
  gap: 6px;
}

h1 {
  font-size: 1.2rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent-color);
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
}

.status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #ff3e3e;
  /* Default: Red */
  transition: all 0.2s ease-in-out;
}

.status.online {
  background-color: var(--accent-color);
  /* Green */
  box-shadow: 0 0 10px var(--accent-color);
}

#chat-window {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

#messages-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.message {
  align-self: flex-start;
  max-width: 75%;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.message.self {
  align-self: flex-end;
}

.msg-author {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--system-text);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-left: 4px;
}

.message.self .msg-author {
  display: none;
  /* Hide your own name for a cleaner look */
}

.msg-bubble {
  padding: 10px 14px;
  border-radius: 4px;
  background: var(--message-bg);
  border: 1px solid var(--border-color);
  line-height: 1.5;
  word-wrap: break-word;
  color: var(--text-color);
  position: relative;
}

.message.self .msg-bubble {
  background: #1a1a1a;
  border-color: var(--accent-color);
  color: #fff;
}

.message .timestamp {
  font-size: 0.65rem;
  color: var(--system-text);
  margin-top: 2px;
  margin-left: 4px;
}

.message.self .timestamp {
  text-align: right;
  margin-right: 4px;
  margin-left: 0;
}

.system-message {
  text-align: center;
  font-size: 0.8rem;
  color: var(--system-text);
  font-style: italic;
  margin-bottom: 1rem;
}

footer {
  padding: 1rem;
}

.footer {
  margin-top: 2rem;
  padding: 0.5rem 0;
  text-align: center;
  border-top: none;
}

.footer p {
  font-size: 0.75rem;
  letter-spacing: 2px;
  color: #666;
  font-weight: 500;
}

.footer a {
  color: #888;
  text-decoration: none;
  transition: color 0.2s;
  transition: text-decoration 0.2s;
}

.footer a:hover {
  text-decoration: underline;
  color: var(--primary-color);
}

#chat-form {
  display: flex;
  gap: 10px;
}

#msg-input {
  flex: 1;
  background: var(--input-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 12px;
  font-family: var(--font-family);
  outline: none;
}

#msg-input:focus {
  border-color: var(--accent-color);
}

#send-btn {
  background: transparent;
  border: 1px solid var(--accent-color);
  color: var(--accent-color);
  padding: 0 20px;
  cursor: pointer;
  font-family: var(--font-family);
}

#send-btn:hover {
  background: var(--accent-color);
  color: var(--bg-color);
}

.error-text {
  color: #ff3e3e;
  font-size: 0.8rem;
  text-align: left;
}

#github-link {
  position: absolute;
  opacity: 30%;
  top: 2rem;
  right: 2rem;
  border: 1px solid #222;
  padding: 6px;
  transition: border 0.3s;
  transition: opacity 0.3s;
}

#github-link:hover {
  opacity: 80%;
  border: 1px solid #999;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--system-text);
}

.hidden {
  display: none;
}