:root{--btf-void: #0f0a1e;--btf-deep: #1a1333;--btf-surface: #231c3d;--btf-surface-hover: #2d2550;--btf-border: #3d3560;--btf-border-light: #4d4570;--btf-accent: #00d4ff;--btf-accent-dim: #0099bb;--btf-accent-glow: rgba(0, 212, 255, .3);--btf-gold: #fbbf24;--btf-gold-dim: #d4950a;--btf-text: #f0ecf9;--btf-text-secondary: #a89ec8;--btf-text-muted: #6b5f8a;--btf-success: #4ade80;--btf-error: #f87171;--btf-warning: #fbbf24;--btf-gradient-hero: linear-gradient(135deg, #0f0a1e 0%, #1a1333 30%, #2d1b69 60%, #1a1333 100%);--btf-gradient-accent: linear-gradient(135deg, #00d4ff, #b794f6);--btf-gradient-gold: linear-gradient(135deg, #fbbf24, #f59e0b);--btf-gradient-card: linear-gradient(180deg, rgba(35, 28, 61, .8) 0%, rgba(15, 10, 30, .9) 100%);--font-display: "Space Grotesk", system-ui, sans-serif;--font-body: "Inter", system-ui, sans-serif;--font-serif: "Crimson Pro", Georgia, serif;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--radius-sm: .5rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-xl: 1.5rem;--radius-2xl: 2rem;--radius-full: 9999px;--shadow-glow: 0 0 20px var(--btf-accent-glow);--shadow-card: 0 4px 24px rgba(0, 0, 0, .4);--shadow-elevated: 0 8px 40px rgba(0, 0, 0, .5)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}body{font-family:var(--font-body);background:var(--btf-void);color:var(--btf-text);min-height:100dvh;line-height:1.6;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:700;line-height:1.15;letter-spacing:-.02em}.text-gradient{background:var(--btf-gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.text-gradient-gold{background:var(--btf-gradient-gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.glow-text{text-shadow:0 0 20px var(--btf-accent-glow),0 0 40px rgba(0,212,255,.15)}.card{background:var(--btf-gradient-card);border:1px solid var(--btf-border);border-radius:var(--radius-xl);padding:var(--space-xl);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:all .3s ease}.card:hover{border-color:var(--btf-border-light);box-shadow:var(--shadow-card)}.card-elevated{box-shadow:var(--shadow-elevated)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font-display);font-weight:600;font-size:.95rem;padding:.85rem 1.75rem;border-radius:var(--radius-lg);border:none;cursor:pointer;transition:all .2s ease;text-decoration:none;line-height:1;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--btf-gradient-accent);color:var(--btf-void);font-weight:700;box-shadow:var(--shadow-glow)}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 0 30px var(--btf-accent-glow),0 4px 20px #0000004d}.btn-secondary{background:transparent;color:var(--btf-text);border:1.5px solid var(--btf-border)}.btn-secondary:hover:not(:disabled){border-color:var(--btf-accent);color:var(--btf-accent);background:#00d4ff0d}.btn-gold{background:var(--btf-gradient-gold);color:var(--btf-void);font-weight:700}.btn-gold:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 0 20px #fbbf244d}.btn-ghost{background:transparent;color:var(--btf-text-secondary);padding:.5rem 1rem}.btn-ghost:hover:not(:disabled){color:var(--btf-text);background:#ffffff0d}.btn-lg{font-size:1.1rem;padding:1rem 2.5rem;border-radius:var(--radius-xl)}.btn-full{width:100%}.input{width:100%;font-family:var(--font-body);font-size:1rem;padding:.85rem 1rem;background:var(--btf-surface);border:1.5px solid var(--btf-border);border-radius:var(--radius-md);color:var(--btf-text);outline:none;transition:all .2s ease}.input::-moz-placeholder{color:var(--btf-text-muted)}.input::placeholder{color:var(--btf-text-muted)}.input:focus{border-color:var(--btf-accent);box-shadow:0 0 0 3px var(--btf-accent-glow)}.input-error{border-color:var(--btf-error)}.input-label{display:block;font-size:.85rem;font-weight:500;color:var(--btf-text-secondary);margin-bottom:.4rem}.divider{display:flex;align-items:center;gap:1rem;color:var(--btf-text-muted);font-size:.8rem;margin:1.5rem 0}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--btf-border)}.badge{display:inline-flex;align-items:center;gap:.3rem;font-size:.7rem;font-weight:600;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.08em;padding:.3rem .75rem;border-radius:var(--radius-full);border:1px solid var(--btf-border);background:var(--btf-surface);color:var(--btf-text-secondary)}.badge-accent{border-color:var(--btf-accent-dim);color:var(--btf-accent);background:#00d4ff14}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse-glow{0%,to{box-shadow:0 0 20px var(--btf-accent-glow)}50%{box-shadow:0 0 40px var(--btf-accent-glow),0 0 60px #00d4ff26}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-fade-in{animation:fadeIn .5s ease-out forwards}.animate-fade-in-up{animation:fadeInUp .6s ease-out forwards}.animate-slide-in-right{animation:slideInRight .4s ease-out forwards}.animate-pulse-glow{animation:pulse-glow 2s ease-in-out infinite}.animate-float{animation:float 3s ease-in-out infinite}.animate-spin{animation:spin 1s linear infinite}.stagger-1{animation-delay:.1s;opacity:0}.stagger-2{animation-delay:.2s;opacity:0}.stagger-3{animation-delay:.3s;opacity:0}.stagger-4{animation-delay:.4s;opacity:0}.cosmic-bg{position:fixed;top:0;right:0;bottom:0;left:0;overflow:hidden;pointer-events:none;z-index:0}.cosmic-bg:before{content:"";position:absolute;width:300px;height:300px;top:10%;left:-5%;background:radial-gradient(circle,rgba(0,212,255,.08) 0%,transparent 70%);border-radius:50%;animation:float 8s ease-in-out infinite}.cosmic-bg:after{content:"";position:absolute;width:400px;height:400px;bottom:5%;right:-10%;background:radial-gradient(circle,rgba(183,148,246,.06) 0%,transparent 70%);border-radius:50%;animation:float 10s ease-in-out infinite reverse}@keyframes toast-in{0%{opacity:0;transform:translateY(16px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:var(--btf-void)}::-webkit-scrollbar-thumb{background:var(--btf-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--btf-border-light)}.container{width:100%;max-width:480px;margin:0 auto;padding:0 var(--space-lg)}@media(min-width:768px){.container{max-width:640px}}@media(min-width:1024px){.container{max-width:800px}}