:root{--color-bg:#0f1117;--color-surface:#1a1d27;--color-surface-2:#222536;--color-border:#2a2e42;--color-primary:#4f46e5;--color-primary-hover:#4338ca;--color-success:#10b981;--color-warning:#f59e0b;--color-danger:#ef4444;--color-info:#3b82f6;--color-text:#f1f5f9;--color-text-secondary:#94a3b8;--color-text-muted:#64748b;--radius:0.5rem;--radius-lg:0.75rem;--shadow:0 4px 24px rgba(0,0,0,0.4);--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",sans-serif}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--color-bg);color:var(--color-text);font-family:var(--font);font-size:1rem;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.center{display:flex;flex-direction:column;align-items:center;justify-content:center}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow)}.card-sm{padding:1.25rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.625rem 1.25rem;border-radius:var(--radius);font-size:.9375rem;font-weight:500;cursor:pointer;border:none;transition:background .15s,opacity .15s,transform .1s;text-decoration:none}.btn:active{transform:scale(.98)}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover);text-decoration:none}.btn-outline{background:transparent;color:var(--color-text);border:1px solid var(--color-border)}.btn-outline:hover{background:var(--color-surface-2);text-decoration:none}.btn-ghost{background:transparent;color:var(--color-text-secondary)}.btn-ghost:hover{color:var(--color-text);text-decoration:none}.btn-sm{padding:.4rem .875rem;font-size:.875rem}.btn-lg{padding:.875rem 2rem;font-size:1.0625rem}.btn-block{width:100%}.btn:disabled{opacity:.55;cursor:not-allowed}.form-group{display:flex;flex-direction:column;gap:.375rem;margin-bottom:1.25rem}.form-label{font-size:.875rem;font-weight:500;color:var(--color-text-secondary)}.form-input{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius);padding:.6rem .875rem;color:var(--color-text);font-size:1rem;font-family:var(--font);transition:border-color .15s;outline:none}.form-input:focus{border-color:var(--color-primary)}.form-input::placeholder{color:var(--color-text-muted)}.form-error{font-size:.8125rem;color:var(--color-danger);margin-top:.25rem}.badge{display:inline-flex;align-items:center;padding:.2rem .6rem;border-radius:99px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.badge-success{background:rgba(16,185,129,.15);color:var(--color-success)}.badge-warning{background:rgba(245,158,11,.15);color:var(--color-warning)}.badge-danger{background:rgba(239,68,68,.15);color:var(--color-danger)}.badge-info{background:rgba(59,130,246,.15);color:var(--color-info)}.badge-muted{background:rgba(100,116,139,.15);color:var(--color-text-muted)}.score-excellent{color:var(--color-success)}.score-good{color:#84cc16}.score-fair{color:var(--color-warning)}.score-poor{color:var(--color-danger)}.navbar{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;border-bottom:1px solid var(--color-border);background:rgba(15,17,23,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);position:-webkit-sticky;position:sticky;top:0;z-index:50}.navbar-brand{font-size:1.25rem;font-weight:700;color:var(--color-text);letter-spacing:-.02em}.navbar-brand span{color:var(--color-primary)}.navbar-links{display:flex;align-items:center;gap:.75rem}.hero{padding:6rem 1.5rem 4rem;text-align:center}.hero-title{font-size:clamp(2rem,5vw,3.5rem);font-weight:800;line-height:1.1;letter-spacing:-.03em;margin-bottom:1.25rem}.hero-title .highlight{color:var(--color-primary)}.hero-subtitle{font-size:clamp(1rem,2vw,1.25rem);color:var(--color-text-secondary);max-width:640px;margin:0 auto 2.5rem}.hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-bottom:3rem}.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:1.25rem;gap:1.25rem;padding:3rem 1.5rem;max-width:1200px;margin:0 auto}.feature-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.5rem}.feature-icon{width:2.5rem;height:2.5rem;border-radius:var(--radius);background:rgba(79,70,229,.15);color:var(--color-primary);display:flex;align-items:center;justify-content:center;font-size:1.25rem;margin-bottom:1rem}.feature-title{font-weight:600;margin-bottom:.5rem}.feature-desc{font-size:.9rem;color:var(--color-text-secondary)}.check-row{display:flex;align-items:center;justify-content:space-between;padding:.875rem 0;border-bottom:1px solid var(--color-border)}.check-row:last-child{border-bottom:none}.check-label{font-weight:500}.check-detail{font-size:.875rem;color:var(--color-text-secondary);margin-top:.125rem}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem 1rem}.auth-card{width:100%;max-width:440px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:2.5rem;box-shadow:var(--shadow)}.auth-title{font-size:1.625rem;font-weight:700;margin-bottom:.375rem}.auth-subtitle{color:var(--color-text-secondary);font-size:.9375rem;margin-bottom:2rem}.alert{padding:.75rem 1rem;border-radius:var(--radius);font-size:.9rem;margin-bottom:1.25rem}.alert-error{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);color:#fca5a5}.alert-success{background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.3);color:#6ee7b7}.score-ring{display:flex;flex-direction:column;align-items:center;gap:.25rem}.score-number{font-size:3.5rem;font-weight:800;line-height:1;letter-spacing:-.04em}.score-label{font-size:.8125rem;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.06em}.footer{padding:2rem 1.5rem;border-top:1px solid var(--color-border);text-align:center;color:var(--color-text-muted);font-size:.875rem}.spinner{width:1.25rem;height:1.25rem;border:2px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.text-muted{color:var(--color-text-muted)}.text-secondary{color:var(--color-text-secondary)}.mt-1{margin-top:.25rem}.mt-2{margin-top:.5rem}.mt-4{margin-top:1rem}.mt-8{margin-top:2rem}.mb-4{margin-bottom:1rem}.gap-2{gap:.5rem}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.w-full{width:100%}.font-bold{font-weight:700}.text-sm{font-size:.875rem}.text-lg{font-size:1.125rem}.text-xl{font-size:1.25rem}