:root{--primary: #0B3D91;--accent: #FF6B35;--accent-2: #00B4D8;--success: #10B981;--warn: #F59E0B;--bg: #F8FAFC;--card: #FFFFFF;--text: #0F172A;--muted: #64748B;--radius: 16px;--shadow: 0 10px 30px rgba(11,61,145,.08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Outfit,system-ui,sans-serif;background:linear-gradient(135deg,#eef4ff,#f8fafc 60%,#fff4ee);color:var(--text);min-height:100vh;line-height:1.6}.container{max-width:900px;margin:0 auto;padding:24px 16px 80px}.header h1{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;letter-spacing:-.02em;background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;text-align:center}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;margin-top:24px;border:1px solid rgba(11,61,145,.06)}label{font-weight:600;display:block;margin-bottom:8px}input[type=date]{width:100%;padding:14px 16px;font-size:1rem;font-family:inherit;border:2px solid #E2E8F0;border-radius:12px;background:#fff;transition:border-color .2s}input[type=date]:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px #0b3d911f}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:12px;font-family:inherit;font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:transform .15s,box-shadow .2s;text-decoration:none}.btn:focus-visible{outline:3px solid var(--accent-2);outline-offset:2px}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--primary);color:#fff}.btn-google{background:#fff;color:#333;border:1px solid #ddd}.btn-outlook{background:#0078d4;color:#fff}.btn-apple{background:#000;color:#fff}.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:20px}.result-box{background:linear-gradient(135deg,#f0f6ff,#fff);border:1px solid rgba(11,61,145,.1);border-radius:14px;padding:18px}.result-box .label{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}.result-box .value{font-size:1.3rem;font-weight:700;color:var(--primary);margin-top:6px;font-family:JetBrains Mono,monospace}.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:.75rem;font-weight:700;text-transform:uppercase}.badge-peak{background:#fef3c7;color:#92400e}.badge-ok{background:#d1fae5;color:#065f46}.disclaimer{margin-top:32px;padding:16px 20px;background:#fff7ed;border-left:4px solid var(--warn);border-radius:8px;font-size:.875rem;color:#78350f}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important}}