@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;700;900&family=Plus+Jakarta+Sans:wght@300;400;600;700&display=swap');

:root {
  /* Magical HSL Palette */
  --bg-deep: hsl(260, 30%, 8%);
  --bg-dark: hsl(260, 25%, 12%);
  --bg-card: rgba(25, 15, 45, 0.55);
  
  --primary: hsl(270, 85%, 65%);
  --primary-glow: hsla(270, 85%, 65%, 0.4);
  
  --magic-fire: hsl(10, 85%, 60%);
  --magic-fire-glow: hsla(10, 85%, 60%, 0.45);
  
  --magic-wind: hsl(190, 90%, 60%);
  --magic-wind-glow: hsla(190, 90%, 60%, 0.45);
  
  --magic-earth: hsl(140, 80%, 55%);
  --magic-earth-glow: hsla(140, 80%, 55%, 0.45);
  
  --gold: hsl(45, 95%, 65%);
  --gold-glow: hsla(45, 95%, 65%, 0.3);
  
  --text-light: hsl(260, 20%, 95%);
  --text-muted: hsl(260, 15%, 70%);
  
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-active: rgba(255, 255, 255, 0.25);
  --glass-glow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  
  /* Fonts */
  --font-serif: 'Cinzel', serif;
  --font-sans: 'Plus Jakarta Sans', sans-serif;
  
  --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-deep);
  color: var(--text-light);
  min-height: 100vh;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* Starfield / Magical Particle Background */
body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(white, rgba(255,255,255,.2) 2px, transparent 40px),
    radial-gradient(white, rgba(255,255,255,.15) 1px, transparent 30px),
    radial-gradient(white, rgba(255,255,255,.1) 2px, transparent 40px);
  background-size: 550px 550px, 350px 350px, 250px 250px;
  background-position: 0 0, 40px 60px, 130px 270px;
  opacity: 0.15;
  z-index: -2;
  animation: bgScroll 120s linear infinite;
}

/* Magical Nebula Glows */
body::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
  top: -10%;
  right: -10%;
  z-index: -1;
  filter: blur(80px);
  pointer-events: none;
}

.nebula-left {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--magic-wind-glow) 0%, transparent 75%);
  bottom: -10%;
  left: -10%;
  z-index: -1;
  filter: blur(80px);
  pointer-events: none;
}

@keyframes bgScroll {
  from { background-position: 0 0, 40px 60px, 130px 270px; }
  to { background-position: 550px 550px, 390px 410px, 380px 820px; }
}

/* Glassmorphism Container */
.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 40px;
  box-shadow: var(--glass-glow), 0 0 20px 0 var(--primary-glow);
  width: 100%;
  max-width: 500px;
  text-align: center;
  transition: var(--transition);
  animation: panelFadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes panelFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Typography */
h1 {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: 2px;
  margin-bottom: 8px;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--text-light) 30%, var(--primary) 70%, var(--magic-wind) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 20px var(--primary-glow);
}

.subtitle {
  font-family: var(--font-sans);
  color: var(--text-muted);
  font-size: 1.05rem;
  letter-spacing: 1px;
  margin-bottom: 40px;
  text-transform: uppercase;
}

/* Form inputs */
.form-group {
  margin-bottom: 24px;
  text-align: left;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.text-input {
  width: 100%;
  padding: 16px 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: var(--text-light);
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 500;
  outline: none;
  transition: var(--transition);
}

.text-input:focus {
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 15px 0 var(--primary-glow);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 16px 32px;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, hsl(290, 85%, 60%) 100%);
  color: white;
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow), 0 0 15px var(--primary);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  color: var(--text-light);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--text-muted);
}

/* Divider with text */
.divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 30px 0;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--glass-border);
}

.divider:not(:empty)::before {
  margin-right: .75em;
}

.divider:not(:empty)::after {
  margin-left: .75em;
}

/* Google Sign In Button Styles */
.google-btn {
  width: 100%;
  height: 52px;
  background-color: #fff;
  border-radius: 12px;
  box-shadow: 0 3px 4px 0 rgba(0,0,0,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid #ddd;
}

.google-btn:hover {
  box-shadow: 0 0 12px rgba(66,133,244,.3);
  transform: translateY(-1px);
}

.google-btn .google-icon-wrapper {
  margin-right: 12px;
  display: flex;
  align-items: center;
}

.google-btn .google-icon {
  width: 18px;
  height: 18px;
}

.google-btn .btn-text {
  color: #757575;
  font-size: 0.95rem;
  font-weight: 700;
  font-family: var(--font-sans);
}

/* Flex utilities */
.flex-column {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.flex-row {
  display: flex;
  flex-direction: row;
  gap: 16px;
}

/* Quick animation classes */
.glow-text-purple {
  text-shadow: 0 0 10px var(--primary-glow);
}

.glow-text-cyan {
  text-shadow: 0 0 10px var(--magic-wind-glow);
}

/* Custom UI Cards */
.selection-card {
  background: rgba(255, 255, 255, 0.03);
  border: 2px solid var(--glass-border);
  border-radius: 16px;
  padding: 16px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.selection-card:hover {
  border-color: var(--glass-border-active);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-2px);
}

.selection-card.active {
  border-color: var(--primary);
  background: rgba(138, 43, 226, 0.08);
  box-shadow: 0 0 15px var(--primary-glow);
}

/* Layout helpers */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.hidden { display: none !important; }

/* Responsive adjustments */
@media (max-width: 480px) {
  .glass-panel {
    padding: 24px 16px;
    border-radius: 16px;
    border-left: none;
    border-right: none;
  }
  h1 {
    font-size: 2.2rem;
  }
}