@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300&family=DM+Sans:wght@300;400;500&display=swap');

:root {
  --deep-space: #030014;
  --nebula-blue: #0a0a2e;
  --star-white: #f0e6ff;
  --gold-sun: #ffd475;
  --gold-dim: #b8943a;
  --accent-violet: #7b5ea7;
  --text-soft: #c4b5d4;
  --text-dim: #6b5f7a;
}

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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--deep-space);
  color: var(--star-white);
  font-family: 'DM Sans', sans-serif;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.starfield {
  position: fixed; inset: 0;
  z-index: 0;
  overflow: hidden;
}
.starfield canvas { width: 100%; height: 100%; }

.screen {
  position: fixed; inset: 0;
  z-index: 10;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.8s ease;
}
.screen.active {
  opacity: 1;
  pointer-events: all;
}

/* Welcome */
.welcome-subtitle {
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  font-size: 0.7rem;
  letter-spacing: 0.45em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 1rem;
  animation: fadeInUp 1s ease 0.2s both;
}
.welcome-title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: clamp(2rem, 8vw, 3.8rem);
  line-height: 1.1;
  text-align: center;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--star-white) 0%, var(--gold-sun) 50%, var(--star-white) 100%);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeInUp 1s ease 0.4s both, shimmer 6s ease infinite;
}
.welcome-desc {
  font-weight: 300;
  font-size: 0.95rem;
  color: var(--text-soft);
  text-align: center;
  max-width: 320px;
  line-height: 1.6;
  margin-bottom: 3rem;
  animation: fadeInUp 1s ease 0.6s both;
}

.orbit-ring {
  position: absolute;
  border: 1px solid rgba(123, 94, 167, 0.12);
  border-radius: 50%;
  pointer-events: none;
  animation: spinSlow 60s linear infinite;
}
.orbit-ring.r1 { width: 140vw; height: 140vw; }
.orbit-ring.r2 { width: 180vw; height: 180vw; animation-duration: 90s; animation-direction: reverse; }
.orbit-ring.r3 { width: 100vw; height: 100vw; animation-duration: 45s; }

.btn-scan {
  position: relative;
  display: flex; align-items: center; gap: 0.75rem;
  padding: 1rem 2.2rem;
  background: transparent;
  border: 1px solid var(--gold-dim);
  border-radius: 60px;
  color: var(--gold-sun);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  cursor: pointer;
  overflow: hidden;
  animation: fadeInUp 1s ease 0.8s both;
  transition: all 0.4s ease;
}
.btn-scan::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(255,212,117,0.08), rgba(123,94,167,0.08));
  opacity: 0;
  transition: opacity 0.4s ease;
}
.btn-scan:hover::before, .btn-scan:active::before { opacity: 1; }
.btn-scan:hover { border-color: var(--gold-sun); transform: scale(1.03); }
.btn-scan svg { width: 20px; height: 20px; flex-shrink: 0; }

/* Camera */
#screen-camera { background: #000; }
.camera-container {
  position: relative;
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
}
#video-feed {
  width: 100%; height: 100%;
  object-fit: cover;
}
.camera-overlay {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  pointer-events: none;
}
.guide-circle {
  width: min(75vw, 75vh);
  height: min(75vw, 75vh);
  border: 2px dashed rgba(255,212,117,0.5);
  border-radius: 50%;
  position: relative;
  animation: pulse-ring 3s ease infinite;
}
.guide-corner {
  position: absolute;
  width: 24px; height: 24px;
  border-color: var(--gold-sun);
  border-style: solid;
  border-width: 0;
}
.guide-corner.tl { top: -12px; left: -12px; border-top-width: 2px; border-left-width: 2px; }
.guide-corner.tr { top: -12px; right: -12px; border-top-width: 2px; border-right-width: 2px; }
.guide-corner.bl { bottom: -12px; left: -12px; border-bottom-width: 2px; border-left-width: 2px; }
.guide-corner.br { bottom: -12px; right: -12px; border-bottom-width: 2px; border-right-width: 2px; }
.camera-hint {
  position: absolute;
  bottom: max(12vh, 120px);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  color: var(--text-soft);
  text-align: center;
  opacity: 0.8;
}
.btn-capture {
  position: absolute;
  bottom: max(4vh, 30px);
  width: 72px; height: 72px;
  border-radius: 50%;
  border: 3px solid var(--star-white);
  background: transparent;
  cursor: pointer;
  pointer-events: all;
  transition: transform 0.2s ease;
}
.btn-capture::after {
  content: '';
  position: absolute;
  inset: 5px;
  border-radius: 50%;
  background: var(--star-white);
  transition: background 0.2s ease;
}
.btn-capture:active { transform: scale(0.9); }
.btn-capture:active::after { background: var(--gold-sun); }

.btn-back-cam {
  position: absolute;
  top: max(2vh, 16px); left: 16px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border: none;
  color: white;
  width: 40px; height: 40px;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  pointer-events: all;
  display: flex; align-items: center; justify-content: center;
}

.upload-fallback {
  position: absolute;
  bottom: max(4vh, 30px);
  right: 20px;
  pointer-events: all;
}
.btn-upload {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--text-soft);
  padding: 0.5rem 1rem;
  border-radius: 30px;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.3s ease;
}
.btn-upload:hover { background: rgba(255,255,255,0.2); color: white; }
#file-input { display: none; }

/* Loading */
#screen-loading { background: var(--deep-space); }
.loading-content { text-align: center; }
.loading-orb {
  width: 80px; height: 80px;
  margin: 0 auto 2rem;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--gold-sun), var(--accent-violet), var(--deep-space));
  animation: orbPulse 2s ease infinite, spinSlow 4s linear infinite;
}
.loading-text {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-style: italic;
  font-size: 1.1rem;
  color: var(--text-soft);
  animation: fadeInOut 2s ease infinite;
}

/* Planet View */
#screen-planet { background: transparent; padding: 0; }
#three-canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
  touch-action: none;
}
.planet-ui {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 20;
}
.planet-title-bar {
  position: absolute;
  top: 0; left: 0; right: 0;
  padding: max(2vh, 16px) 1.5rem;
  display: flex; justify-content: space-between; align-items: flex-start;
}
.planet-label {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: 1.4rem;
  color: var(--star-white);
  opacity: 0.8;
}
.planet-label small {
  display: block;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-top: 2px;
}
.btn-icon {
  pointer-events: all;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-soft);
  width: 42px; height: 42px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.3s ease;
}
.btn-icon:hover { background: rgba(255,255,255,0.12); color: white; }
.planet-bottom-bar {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.5rem;
  display: flex; justify-content: center; gap: 1rem;
  pointer-events: all;
}
.btn-action {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 40px;
  color: var(--text-soft);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.78rem;
  cursor: pointer;
  transition: all 0.3s ease;
}
.btn-action:hover { background: rgba(255,255,255,0.12); color: white; }
.btn-action svg { width: 16px; height: 16px; }

.flash {
  position: fixed; inset: 0;
  background: white;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
}
.flash.active { animation: flashAnim 0.5s ease; }

#capture-canvas { display: none; }
#texture-canvas { display: none; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes shimmer {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes pulse-ring {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.02); }
}
@keyframes orbPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 40px rgba(255,212,117,0.3); }
  50% { transform: scale(1.1); box-shadow: 0 0 60px rgba(255,212,117,0.5); }
}
@keyframes fadeInOut {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}
@keyframes flashAnim {
  0% { opacity: 0.8; }
  100% { opacity: 0; }
}

.toast {
  position: fixed;
  bottom: 100px;
  left: 50%; transform: translateX(-50%);
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 30px;
  padding: 0.6rem 1.4rem;
  font-size: 0.8rem;
  color: var(--star-white);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.toast.visible { opacity: 1; }