@import "https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap";:root{--bg-color:#050505;--panel-bg:#ffffff08;--panel-border:#ffffff14;--primary:#6366f1;--primary-hover:#818cf8;--secondary:#ffffff0d;--secondary-hover:#ffffff1a;--text-main:#f8fafc;--text-muted:#94a3b8;--danger:#ef4444;--success:#10b981;--font-family:"Outfit", -apple-system, BlinkMacSystemFont, sans-serif;--radius-sm:8px;--radius-md:16px;--radius-lg:24px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-main);-webkit-font-smoothing:antialiased;background-image:radial-gradient(circle at 15%,#6366f11f,#0000 25%),radial-gradient(circle at 85% 30%,#10b9811a,#0000 25%);background-size:cover;background-attachment:fixed;min-height:100vh;margin:0;line-height:1.6}.app-container{z-index:1;flex-direction:column;max-width:600px;min-height:100vh;margin:0 auto;display:flex;position:relative}.top-nav{-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--panel-border);z-index:100;background:#05050599;justify-content:space-between;align-items:center;padding:1rem 1.5rem;display:flex;position:sticky;top:0}.logo{-webkit-text-fill-color:transparent;background:linear-gradient(135deg,#818cf8 0%,#38bdf8 100%);-webkit-background-clip:text;background-clip:text;align-items:center;gap:.5rem;font-size:1.25rem;font-weight:700;display:flex}.bottom-nav{-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--panel-border);z-index:100;width:100%;max-width:600px;padding:.75rem;padding-bottom:calc(1rem + env(safe-area-inset-bottom));background:#0a0a0af2;justify-content:space-around;display:flex;position:fixed;bottom:0}.nav-item{color:var(--text-muted);border-radius:var(--radius-md);flex-direction:column;align-items:center;gap:.25rem;padding:.5rem 1rem;font-size:.75rem;font-weight:500;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex}.nav-item:hover{color:var(--text-main);background:var(--secondary)}.nav-item.active{color:var(--primary);background:#6366f11a}.nav-item.active svg{transform:scale(1.1)}.glass-panel{background:var(--panel-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--panel-border);border-radius:var(--radius-lg);padding:1.5rem;transition:transform .3s,border-color .3s;box-shadow:0 8px 32px #0003}.glass-panel:hover{border-color:#ffffff26;transform:translateY(-2px)}.content-area{flex-direction:column;flex:1;gap:1.5rem;padding:1.5rem 1.5rem 120px;display:flex}.btn{border-radius:var(--radius-md);cursor:pointer;font-size:.95rem;font-weight:600;font-family:var(--font-family);border:none;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;transition:all .2s;display:inline-flex;position:relative;overflow:hidden}.btn:active{transform:scale(.97)}.btn-primary{background:linear-gradient(135deg, var(--primary) 0%, #38bdf8 100%);color:#fff;box-shadow:0 4px 12px #6366f14d}.btn-primary:hover{filter:brightness(1.1);box-shadow:0 6px 16px #6366f166}.btn-secondary{background:var(--secondary);color:var(--text-main);border:1px solid var(--panel-border)}.btn-secondary:hover{background:var(--secondary-hover);border-color:#ffffff26}.input-group{flex-direction:column;gap:.5rem;display:flex}.input-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:.85rem;font-weight:500}.input-field{border:1px solid var(--panel-border);color:var(--text-main);border-radius:var(--radius-md);font-family:var(--font-family);background:#0003;outline:none;padding:.85rem 1rem;font-size:1rem;transition:all .3s}.input-field:focus{border-color:var(--primary);background:#6366f10d;box-shadow:0 0 0 3px #6366f11a}.text-muted{color:var(--text-muted)}.text-center{text-align:center}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.justify-center{justify-content:center}.gap-2{gap:.5rem}.gap-4{gap:1rem}.mt-4{margin-top:1rem}.mb-6{margin-bottom:1.5rem}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--panel-border);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@keyframes pulse{0%{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.pulse-anim{animation:2s ease-in-out infinite pulse}.spinner{border:3px solid #ffffff1a;border-top-color:var(--primary);border-radius:50%;width:24px;height:24px;animation:1s ease-in-out infinite spin}@keyframes spin{to{transform:rotate(360deg)}}h1,h2,h3{letter-spacing:-.5px;font-weight:600}.nav-tab{border-radius:var(--radius-sm);color:var(--text-muted);letter-spacing:.3px;flex-direction:column;align-items:center;gap:3px;padding:.4rem .75rem;font-size:.65rem;font-weight:500;text-decoration:none;transition:color .2s;display:flex}.nav-tab:hover{color:var(--text-main)}.nav-tab-active{color:var(--primary)}.toast-container{z-index:9999;pointer-events:none;flex-direction:column;gap:8px;width:calc(100% - 2rem);max-width:380px;display:flex;position:fixed;bottom:120px;left:50%;transform:translate(-50%)}.toast{border-radius:var(--radius-md);-webkit-backdrop-filter:blur(16px);text-align:center;padding:12px 20px;font-size:.875rem;font-weight:500;animation:.3s toast-in}.toast-success{color:#10b981;background:#10b98126;border:1px solid #10b98166}.toast-error{color:#ef4444;background:#ef444426;border:1px solid #ef444466}.toast-info{color:var(--primary);background:#6366f126;border:1px solid #6366f166}@keyframes toast-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.progress-bar-track{background:#ffffff12;border-radius:999px;width:100%;height:8px;overflow:hidden}.progress-bar-fill{border-radius:999px;height:100%;transition:width .6s cubic-bezier(.4,0,.2,1),background .4s}.text-danger{color:var(--danger)}.text-success{color:var(--success)}.text-primary{color:var(--primary)}.measurement-fields{grid-template-columns:1fr 1fr;gap:1rem;display:grid}@media (width<=480px){.measurement-fields{grid-template-columns:1fr}.input-label{letter-spacing:0}}.stat-card{border:1px solid var(--panel-border);border-radius:var(--radius-md);background:linear-gradient(145deg,#ffffff0d 0%,#ffffff03 100%);flex-direction:column;gap:.25rem;padding:1.25rem;transition:transform .3s;display:flex}.stat-card:hover{border-color:#6366f14d;transform:translateY(-2px)}.stat-value{color:var(--text-main);font-size:1.75rem;font-weight:700}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;font-size:.75rem}