/* -------- BASIC LAYOUT -------- */
body, html {
  margin: 0;
  padding: 0;
  font-family: 'Poppins', sans-serif;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #011627;
  color: #ffffff;
  overflow: hidden;
}

/* Background Particles */
#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: 0;
}

/* -------- OVERLAYS -------- */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(1,22,39,0.95);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10;
  opacity: 0;
  pointer-events: none;
  transition: all 0.4s ease;
}
.overlay.active {
  opacity: 1;
  pointer-events: all;
}

.overlay-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 35px 25px;
  background: #ffbf38;
  border-radius: 24px;
  text-align: center;
  width: 90%;
  max-width: 400px;
  color: #011627;
}

.overlay h1 {
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.overlay input {
  padding: 12px 14px;
  border-radius: 12px;
  border: none;
  width: 100%;
  font-size: 1rem;
  margin-bottom: 18px;
  outline: none;
}

.overlay button {
  padding: 12px 20px;
  border-radius: 12px;
  border: none;
  background: #011627;
  color: #ffbf38;
  font-weight: 600;
  cursor: pointer;
  width: 100%;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-shadow: 0 6px 16px rgba(0,0,0,0.15);
}
.overlay button:hover {
  transform: translateY(-2px) scale(1.03);
}
.overlay button:active {
  transform: translateY(0) scale(0.98);
}

/* -------- LOADING ANIMATION -------- */
.loader-animation {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-bottom: 15px;
}
.loader-animation div {
  width: 12px;
  height: 12px;
  background: #ffbf38;
  border-radius: 50%;
  animation: bounce 0.6s infinite alternate;
}
.loader-animation div:nth-child(2) { animation-delay: 0.2s; }
.loader-animation div:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
  0% { transform: translateY(0); opacity: 0.6; }
  50% { transform: translateY(-12px); opacity: 1; }
  100% { transform: translateY(0); opacity: 0.6; }
}

/* -------- GAME CONTAINER -------- */
.game-container {
  position: relative;
  z-index: 5;
  width: 100%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
  box-sizing: border-box;
}

/* -------- IMPROVED CARD UI -------- */
.card {
  width: 100%;
  max-width: 520px;
  min-height: 520px;
  background: rgba(1, 22, 39, 0.7);
  backdrop-filter: blur(12px);
  border-radius: 22px;
  padding: 25px 28px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 18px;
  box-sizing: border-box;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

.card h2 {
  text-align: center;
  margin: 0;
  font-size: 1.6rem;
  letter-spacing: 1px;
}

/* -------- HUD -------- */
.hud {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hud-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
}

.progress-bar {
  width: 100%;
  height: 12px;
  background: #ffbf38;
  border-radius: 8px;
  overflow: hidden;
}

#progress-fill {
  width: 0%;
  height: 100%;
  background: #ffffff;
  border-radius: 8px;
  transition: width 0.5s ease;
}

/* -------- ROOM CONTENT -------- */
#room {
  flex-grow: 1;
  overflow-y: auto;
  opacity: 0;
  transition: opacity 0.3s ease;
  padding-right: 5px;
}

#room p {
  font-size: 1rem;
  line-height: 1.4;
  margin-bottom: 6px;
}

#room h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
  font-weight: 600;
}

/* -------- OPTIONS -------- */
.options {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.options button {
  padding: 12px 14px;
  border: none;
  border-radius: 12px;
  background: #ffbf38;
  color: #011627;
  cursor: pointer;
  width: 100%;
  font-weight: 500;
  transition: all 0.3s ease;
}
.options button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.2);
}
.options button.selected {
  background: #ffffff;
  color: #011627;
  box-shadow: 0 8px 20px rgba(255,255,255,0.4);
}

/* -------- MESSAGE -------- */
#message {
  margin-top: 8px;
  font-weight: 500;
  font-size: 1rem;
  text-align: center;
  color: #ffbf38;
}

/* -------- ANALYSIS -------- */
.analysis {
  font-size: 0.85rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
}

/* -------- MOBILE OPTIMIZATION -------- */
@media(max-width: 700px) {
  .card {
    padding: 20px;
    max-width: 92%;
    min-height: 78vh;
    border-radius: 18px;
  }

  .card h2 {
    font-size: 1.4rem;
  }

  #room h3 { font-size: 1rem; }
  #room p { font-size: 0.9rem; }

  .options button {
    font-size: 0.85rem;
    padding: 10px;
  }

  .hud-row {
    flex-direction: column;
    gap: 4px;
  }

  .analysis {
    font-size: 0.8rem;
    gap: 4px;
  }

  .overlay-content {
    padding: 25px 20px;
  }

  .overlay h1 {
    font-size: 1.4rem;
    margin-bottom: 16px;
  }

  .overlay button {
    font-size: 0.95rem;
    padding: 10px;
  }

  .loader-animation div {
    width: 10px;
    height: 10px;
  }
}