/* --- RESET & GLOBAL --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
}

body {
  background-color: var(--bg-color, #1a1a1a);
  color: var(--text-color, #ffffff);
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background 1s ease, color 1s ease;
}

/* --- APP LAYOUT --- */
#propet-app {
  width: 100%;
  max-width: 1200px;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  padding: 20px;
  z-index: 10;
}

/* --- HEADER COMPONENT --- */
header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 20px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  z-index: 10;
  pointer-events: none;
}

.logo {
  font-size: 7rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -4px;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px white;
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.1));
  margin-left: 0;
}

/* --- NAVIGATION BUTTON --- */
#collection-btn {
  position: absolute;
  top: 30px;
  right: 40px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  padding: 12px 30px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 700;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  pointer-events: auto;
}

#collection-btn:hover {
  background: white;
  color: black;
  transform: scale(1.05);
}

/* --- STREAK INDICATOR --- */
#streak-display {
  position: fixed !important;
  bottom: 30px !important;
  left: 30px !important;
  top: auto !important;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 15px 30px;
  border-radius: 50px;
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: floatBubble 6s ease-in-out infinite;
}

/* --- UTILITY CLASSES --- */
.hidden {
  display: none !important;
}

section {
  display: none;
  flex-direction: column;
  align-items: center;
  width: 100%;
  height: 100%;
  animation: fadeIn 0.5s ease;
}

section.active-screen {
  display: flex;
}

button {
  border: none;
  outline: none;
  cursor: pointer;
  font-weight: 600;
  transition: transform 0.1s, opacity 0.2s;
}

button:active {
  transform: scale(0.96);
}

/* --- AMBIENT BACKGROUND --- */
.ambient-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  z-index: 0;
  opacity: 0.4;
  animation: floatOrb 15s infinite alternate ease-in-out;
  pointer-events: none;
}

.orb-1 {
  width: 500px;
  height: 500px;
  background: var(--accent-color);
  top: -150px;
  left: -150px;
}

.orb-2 {
  width: 400px;
  height: 400px;
  background: #ffffff;
  bottom: -100px;
  right: -100px;
  opacity: 0.1;
  animation-delay: -5s;
}

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

@keyframes floatBubble {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes floatOrb {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(50px, 30px) scale(1.1);
  }
}