@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600&display=swap');

:root {
  --bg-dark: #0a0e17;
  --card-bg: rgba(17, 24, 39, 0.65);
  --card-border: rgba(255, 255, 255, 0.1);
  --card-border-hover: rgba(168, 85, 247, 0.4);
  
  --primary: #8b5cf6;
  --primary-hover: #7c3aed;
  --secondary: #06b6d4;
  --accent: #ec4899;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  --shadow-glow: 0 0 50px -10px rgba(139, 92, 246, 0.3);
  --radius-lg: 24px;
  --radius-md: 14px;
  --radius-sm: 8px;
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow-x: hidden;
  padding: 24px;
}

/* Ambient Animated Glow Background */
.ambient-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.45;
  animation: float 12s ease-in-out infinite alternate;
}

.glow-orb-1 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
  top: -80px;
  left: 15%;
}

.glow-orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--secondary) 0%, transparent 70%);
  bottom: -100px;
  right: 15%;
  animation-duration: 15s;
  animation-delay: -5s;
}

.glow-orb-3 {
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  top: 40%;
  left: 60%;
  animation-duration: 18s;
  animation-delay: -8s;
  opacity: 0.3;
}

/* Card Container */
.card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 500px;
  background: var(--card-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), var(--shadow-glow);
  text-align: center;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
  animation: cardEntrance 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.card:hover {
  border-color: var(--card-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.6), 0 0 60px -8px rgba(139, 92, 246, 0.4);
}

/* Tag / Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(139, 92, 246, 0.15);
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 9999px;
  font-size: 0.825rem;
  font-weight: 600;
  color: #c4b5fd;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 24px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 10px #10b981;
  animation: pulseDot 2s infinite;
}

/* Avatar / Icon */
.greeting-avatar {
  font-size: 4rem;
  line-height: 1;
  margin-bottom: 20px;
  display: inline-block;
  user-select: none;
}

.wave-hand {
  display: inline-block;
  transform-origin: 70% 70%;
  animation: wave 2.2s infinite ease-in-out;
}

/* Typography */
h1 {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 12px;
  background: linear-gradient(135deg, #ffffff 30%, #c4b5fd 70%, #67e8f9 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 32px;
}

/* Interactive Input Box */
.input-group {
  display: flex;
  gap: 10px;
  margin-bottom: 24px;
  position: relative;
}

.name-input {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: all 0.25s ease;
}

.name-input::placeholder {
  color: var(--text-muted);
}

.name-input:focus {
  border-color: var(--primary);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
}

/* Button */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, #6366f1 100%);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  padding: 14px 24px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.25s ease;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-hover) 0%, #4f46e5 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

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

/* Response Message Container */
.response-box {
  min-height: 48px;
  padding: 14px;
  border-radius: var(--radius-md);
  background: rgba(139, 92, 246, 0.08);
  border: 1px dashed rgba(139, 92, 246, 0.25);
  color: #ddd6fe;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.response-box.active {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
  color: #6ee7b7;
  animation: popIn 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Quick Chips */
.quick-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.tag-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 9999px;
  padding: 6px 14px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.tag-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

/* Footer note */
.card-footer {
  margin-top: 32px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-footer span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Animations */
@keyframes wave {
  0% { transform: rotate(0deg); }
  15% { transform: rotate(18deg); }
  30% { transform: rotate(-12deg); }
  45% { transform: rotate(18deg); }
  60% { transform: rotate(-8deg); }
  75% { transform: rotate(12deg); }
  100% { transform: rotate(0deg); }
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, -30px) scale(1.08); }
  100% { transform: translate(-30px, 30px) scale(0.95); }
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

@keyframes cardEntrance {
  from {
    opacity: 0;
    transform: translateY(24px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes popIn {
  0% { transform: scale(0.92); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* Responsive adjustments */
@media (max-width: 520px) {
  .card {
    padding: 30px 22px;
  }
  
  h1 {
    font-size: 2.2rem;
  }
  
  .input-group {
    flex-direction: column;
  }
  
  .btn-primary {
    width: 100%;
  }
}