@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";
:root{--bg-color:#0b0f19;--bg-gradient:radial-gradient(circle at top, #1e293b, #0b0f19 70%);--text-main:#f8fafc;--text-muted:#94a3b8;--accent-blue:#3b82f6;--accent-blue-hover:#2563eb;--accent-pink:#ec4899;--glass-bg:#ffffff08;--glass-border:#ffffff14;--glass-glow:0 0 40px #3b82f61a}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-color);background-image:var(--bg-gradient);color:var(--text-main);flex-direction:column;min-height:100vh;font-family:Inter,sans-serif;display:flex}main{flex-direction:column;flex:1;width:100%;max-width:1200px;margin:0 auto;padding:2rem;display:flex}.glass-panel{background:var(--glass-bg);border:1px solid var(--glass-border);-webkit-backdrop-filter:blur(16px);box-shadow:var(--glass-glow);border-radius:24px;padding:2rem;transition:transform .3s,box-shadow .3s}.glass-panel:hover{transform:translateY(-2px);box-shadow:0 0 60px #3b82f633}h1{background:linear-gradient(to right, var(--text-main), var(--accent-blue));-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:1rem;font-size:3rem;font-weight:700}h2{margin-bottom:1rem;font-size:2rem;font-weight:600}p{color:var(--text-muted);line-height:1.6}.btn{cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-family:inherit;font-size:1rem;font-weight:500;text-decoration:none;transition:all .2s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent-blue);color:#fff;box-shadow:0 4px 14px #3b82f666}.btn-primary:not(:disabled):hover{background:var(--accent-blue-hover);transform:scale(1.02)}.btn-outline{border:1px solid var(--glass-border);color:var(--text-main);background:0 0}.btn-outline:hover{background:var(--glass-bg);border-color:#fff3}.form-group{flex-direction:column;gap:.5rem;margin-bottom:1.5rem;display:flex}.form-label{color:var(--text-main);font-size:.875rem;font-weight:500}.form-input{border:1px solid var(--glass-border);color:var(--text-main);background:#0003;border-radius:8px;padding:.75rem 1rem;font-family:inherit;font-size:1rem;transition:border-color .2s}.form-input:focus{border-color:var(--accent-blue);outline:none}.form-error{color:var(--accent-pink);margin-top:.25rem;font-size:.875rem}.header{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--glass-border);z-index:100;background:#0b0f19cc;justify-content:space-between;align-items:center;padding:1rem 1.5rem;display:flex;position:sticky;top:0}.logo{color:var(--text-main);white-space:nowrap;align-items:center;gap:.5rem;font-size:1.5rem;font-weight:700;text-decoration:none;display:flex}.nav-links{align-items:center;gap:1.5rem;display:flex}.nav-link{color:var(--text-muted);font-weight:500;text-decoration:none;transition:color .2s}.nav-link:hover{color:var(--text-main)}.hamburger{color:var(--text-main);cursor:pointer;background:0 0;border:none;padding:.25rem;display:none}.text-center{text-align:center}.mt-4{margin-top:1rem}.mb-4{margin-bottom:1rem}.mt-8{margin-top:2rem}.mb-8{margin-bottom:2rem}.flex{display:flex}.flex-wrap{flex-wrap:wrap}.justify-between{justify-content:space-between}.align-center{align-items:center}.gap-4{gap:1rem}.gap-2{gap:.5rem}.feature-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;margin-top:1.5rem;display:grid}.settings-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin-top:1.5rem;display:grid}.wheels-grid{grid-template-columns:repeat(auto-fill,minmax(450px,1fr));gap:2rem;margin-top:2rem;display:grid}.breadcrumb{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:.5rem;margin-bottom:1.5rem;font-size:.875rem;display:flex}.breadcrumb a{color:var(--accent-blue);text-decoration:none;transition:color .2s}.breadcrumb a:hover{color:var(--text-main)}.breadcrumb .separator{opacity:.4}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.5rem;display:flex}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes fadein{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.password-strength-wrapper{margin-top:.5rem}.strength-bar-track{gap:4px;margin-bottom:.35rem;display:flex}.strength-bar-segment{border-radius:2px;flex:1;height:4px}.strength-label{text-align:right;letter-spacing:.03em;margin-bottom:.5rem;font-size:.75rem;font-weight:600}.strength-checklist{flex-direction:column;gap:.2rem;margin:0;padding:0;list-style:none;display:flex}.strength-check-item{align-items:center;gap:.4rem;font-size:.78rem;transition:color .2s;display:flex}.strength-check-item.met{color:#10b981}.strength-check-item.unmet{color:var(--text-muted)}.check-icon{text-align:center;flex-shrink:0;width:14px;font-size:.7rem;font-weight:700}.wheel-layout{grid-template-columns:1fr 450px}@media (max-width:768px){.wheel-layout{grid-template-columns:1fr!important}main{padding:1.25rem}h1{font-size:2rem}h2{font-size:1.5rem}.header{padding:.75rem 1rem}.logo{font-size:1.25rem}.hamburger{display:flex}.nav-links{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--glass-border);background:#0b0f19f2;flex-direction:column;gap:1rem;padding:1rem 1.5rem;display:none;position:absolute;top:100%;left:0;right:0}.nav-links.nav-open{display:flex}.glass-panel{border-radius:16px;padding:1.25rem}.feature-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem}.wheels-grid{grid-template-columns:1fr;gap:1.25rem}.settings-grid{grid-template-columns:1fr;gap:1rem}}@media (max-width:480px){main{padding:1rem}h1{font-size:1.6rem}h2{font-size:1.25rem}.feature-grid{grid-template-columns:1fr}.btn{padding:.6rem 1rem;font-size:.9rem}.glass-panel{border-radius:14px;padding:1rem}}