:root{--primary:#3b82f6;--primary-hover:#2563eb;--bg-light:#f8fafc;--card-bg:#fff;--text-main:#0f172a;--text-secondary:#64748b;--success:#10b981;--danger:#ef4444;--glass:#fffc;--glass-border:#00000014}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif}body{background-color:var(--bg-light);color:var(--text-main);justify-content:center;min-height:100vh;display:flex}#root{justify-content:center;width:100%;max-width:100%;padding:0;display:flex}.container{flex-direction:column;gap:1.5rem;width:100%;max-width:480px;padding:1.5rem 1.5rem 7rem;display:flex}.header{margin-bottom:.5rem}.header h1{letter-spacing:-.025em;background:linear-gradient(90deg,#2563eb,#7c3aed);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:1.75rem;font-weight:800}.card{background:var(--card-bg);border:1px solid var(--glass-border);border-radius:1.5rem;padding:1.5rem;transition:transform .2s,border-color .2s;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.card:active{transform:scale(.98)}.btn-checkin{background:linear-gradient(135deg, var(--primary), #8b5cf6);color:#fff;cursor:pointer;border:none;border-radius:50%;flex-direction:column;justify-content:center;align-items:center;gap:.75rem;width:60vw;min-width:180px;max-width:240px;height:60vw;min-height:180px;max-height:240px;margin:3rem auto;font-size:1.25rem;font-weight:700;animation:2s infinite pulse;display:flex;box-shadow:0 10px 25px #3b82f64d}@keyframes pulse{0%{box-shadow:0 0 #3b82f666}70%{box-shadow:0 0 0 20px #3b82f600}to{box-shadow:0 0 #3b82f600}}.btn-checkout{background:linear-gradient(135deg, var(--danger), #f43f5e);animation:none;box-shadow:0 10px 25px #ef44444d}.btn-disabled{box-shadow:none!important;cursor:not-allowed!important;background:#cbd5e1!important;animation:none!important}.location-badge{background:#f1f5f9;border-radius:2rem;align-items:center;gap:.5rem;width:fit-content;padding:.5rem 1rem;font-size:.875rem;display:flex}.nav-bar{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border);background:#ffffffe6;border-radius:2rem;justify-content:space-around;width:90%;max-width:420px;padding:.75rem;display:flex;position:fixed;bottom:1.5rem;left:50%;transform:translate(-50%);box-shadow:0 10px 25px #0000001a}.nav-item{color:var(--text-secondary);cursor:pointer;flex-direction:column;align-items:center;gap:.25rem;font-size:.75rem;display:flex}.nav-item.active{color:var(--primary)}.history-item{border-bottom:1px solid #f1f5f9;flex-direction:column;gap:.75rem;padding:1.25rem 0;display:flex}.history-item:last-child{border:none}.history-item-header{justify-content:space-between;align-items:center;display:flex}.history-item-location{color:var(--text-main);letter-spacing:-.01em;font-size:.95rem;font-weight:700}.history-item-date{color:var(--text-secondary);text-transform:uppercase;background:#f1f5f9;border-radius:6px;padding:3px 8px;font-size:.7rem;font-weight:600}.history-item-badges{gap:.75rem;display:flex}.badge{border:1px solid #0000;border-radius:8px;align-items:center;gap:6px;padding:5px 12px;font-size:.7rem;font-weight:700;display:flex}.badge-in{color:var(--primary);background:#3b82f614;border-color:#3b82f61a}.badge-out{color:var(--success);background:#10b98114;border-color:#10b9811a}