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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: #e5e7eb;
  background: #0f172a;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Hotel background facade */
.hotel-bg {
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, #1f2937, #0f172a);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hotel-building {
  width: 90%;
  max-width: 600px;
  height: 90%;
  background: #2d3748;
  border: 6px solid #111827;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 0 40px rgba(243, 198, 198, 0.4);
}

/* Chat window styled as a glowing hotel room window */
.chat-window {
  width: 85%;
  height: 85%;
  background: #111827;
  border: 4px solid #f3c6c6;
  border-radius: 12px;
  box-shadow: inset 0 0 20px rgba(243, 198, 198, 0.3);
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  padding: 16px;
  text-align: center;
  border-bottom: 1px solid #2d3748;
}

.logo-wrapper {
  width: 64px;
  height: 64px;
  margin: 0 auto 12px;
  border-radius: 50%;
  overflow: hidden;
  background: #1f2937;
  box-shadow: 0 0 12px rgba(243, 198, 198, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo {
  width: 80%;
  height: 80%;
  object-fit: contain;
}

.title {
  font-size: 22px;
  font-weight: 700;
  color: #f3c6c6;
}

.subtitle {
  font-size: 13px;
  color: #d1d5db;
  font-style: italic;
}

/* Chat area */
.chat {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
}

.message {
  max-width: 85%;
  padding: 12px 14px;
  margin-bottom: 12px;
  border-radius: 16px;
  line-height: 1.4;
  font-size: 14px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  animation: fadeIn 0.3s ease-in-out;
}

.user {
  background: linear-gradient(to right, #f3c6c6, #eab5b5);
  color: #1f2937;
  align-self: flex-end;
  margin-left: auto;
}

.bot {
  background: #1f2937;
  border: 1px solid #f3c6c6;
  align-self: flex-start;
}

/* Controls */
.controls {
  padding: 16px;
  border-top: 1px solid #2d3748;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.mic {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(to bottom right, #f3c6c6, #eab5b5);
  font-size: 24px;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s;
  color: #1f2937;
  box-shadow: 0 0 12px rgba(243, 198, 198, 0.3);
}

.mic:hover {
  transform: scale(1.05);
}

.mic.listening {
  background: #dc2626;
  transform: scale(1.1);
}

.status {
  margin-top: 8px;
  font-size: 13px;
  color: #f3c6c6;
  text-align: center;
  font-weight: 500;
}

/* Smooth fade-in for messages */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}