@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap');

:root {
  --primary: #00b894;
  --secondary: #006266;
  --accent: #f1c40f;
  --bg-dark: #061b17;
  --text-light: #f8fafc;
  --glass: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.15);
  --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.6);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Outfit', sans-serif;
}

body, html {
  width: 100%;
  height: 100%;
  overflow: hidden; /* Mengunci scroll agar tidak berantakan */
  background-color: var(--bg-dark);
}

#app {
  position: relative;
  width: 100%;
  height: 100%;
  z-index: 10;
}

/* Background Tetap Fixed */
.mesh-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  background: radial-gradient(circle at 50% 50%, #0a3d32 0%, #061b17 100%);
}

.screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.screen.active {
  display: flex !important;
  animation: fadeIn 0.5s ease-out;
}



/* Kotak Materi Utama */
.glass-card {
  background: var(--glass);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  padding: 2.5rem;
  box-shadow: var(--shadow);
  text-align: center;
  width: 400px;
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto; /* Jika isi terlalu panjang tetap bisa di scroll di dalam kotak */
}

h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

p {
  font-size: 1.1rem;
  opacity: 0.9;
  line-height: 1.5;
  margin-bottom: 2rem;
}

.btn {
  width: 100%;
  padding: 1.2rem;
  border-radius: 15px;
  border: none;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0 4px 15px rgba(0, 184, 148, 0.3);
}

.btn:active {
  transform: scale(0.98);
}

.progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  z-index: 100;
}

.progress-bar {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.3s ease;
}

/* Mode AR agar jernih */
body.ar-mode .screen,
body.ar-mode .mesh-bg {
  display: none !important;
}

body.ar-mode #app {
  background: transparent !important;
}

body.ar-mode, html {
  background: transparent !important;
}

body.ar-mode .scan-line,
body.ar-mode .radar-overlay {
  display: block;
}

#ar-info {
  display: none;
  position: fixed;
  top: 15%; /* Berada di area tengah-atas */
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 400px;
  z-index: 1000;
  pointer-events: none;
}

#ar-info .glass-card {
  border-top: 4px solid var(--accent);
  background: rgba(6, 27, 23, 0.8);
  text-align: center; /* Teks di tengah */
  padding: 1.5rem;
}

/* Kotak Scan di Tengah */
.scanner-frame {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 250px;
  height: 250px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  z-index: 30;
  display: none;
  pointer-events: none;
}

.scanner-frame::before,
.scanner-frame::after {
  content: "";
  position: absolute;
  width: 30px;
  height: 30px;
  border-color: var(--accent);
  border-style: solid;
}

/* Siku-siku kotak scan */
.scanner-frame::before {
  top: -2px; left: -2px;
  border-width: 4px 0 0 4px;
  border-radius: 10px 0 0 0;
}

.scanner-frame::after {
  bottom: -2px; right: -2px;
  border-width: 0 4px 4px 0;
  border-radius: 0 0 10px 0;
}

body.ar-mode .scanner-frame {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

@media (max-width: 600px) {
  .glass-card {
    padding: 1.5rem;
  }
  h1 { font-size: 2rem; }
}

/* High-Tech Scan Line Animation */
.scan-line {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, transparent, var(--primary), transparent);
  box-shadow: 0 0 20px var(--primary);
  z-index: 50;
  display: none;
  pointer-events: none;
  animation: scanMove 4s linear infinite;
}

@keyframes scanMove {
  0% { top: 0; }
  50% { top: 100%; }
  100% { top: 0; }
}

/* Radar UI for AR */
.radar-overlay {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 300px;
  height: 300px;
  border: 1px solid rgba(0, 184, 148, 0.2);
  border-radius: 50%;
  pointer-events: none;
  z-index: 40;
  display: none;
}

.radar-overlay::after {
  content: "";
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: conic-gradient(from 0deg, transparent, rgba(0, 184, 148, 0.1));
  border-radius: 50%;
  animation: rotateRadar 3s linear infinite;
}

@keyframes rotateRadar {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}