body{font-family:Inter,sans-serif;background-color:#f8fafc;color:#1f2937;background:linear-gradient(to bottom right,#f8fafc,#edf2f7)}.card-animation{animation:fadeInScale .8s ease-out forwards}.hero-animation{animation:fadeInScaleUp 1s ease-out forwards}@keyframes fadeInScaleUp{0%{opacity:0;transform:translateY(30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes fadeInScale{0%{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.fixed-header{position:fixed;top:0;left:0;right:0;background-color:#eef2f6;z-index:50;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background-color:#f1f5f9cc;box-shadow:0 4px 12px #0000000d}.main-card{background-color:#fff;border-radius:1.5rem;box-shadow:0 10px 30px #0000000d}.nav-btn{font-weight:600;color:#6b7280;transition:all .3s ease-in-out;border-bottom:2px solid transparent}.nav-btn:hover{color:#2563eb}.nav-active{color:#2563eb;border-color:#2563eb}.input-field{background-color:#f1f5f9;border:1px solid #e2e8f0;border-radius:.5rem;padding:.75rem 1rem;transition:all .2s ease-in-out}.input-field:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 2px #2563eb33}.btn-primary{background-color:#2563eb;color:#fff;font-weight:600;transition:all .3s ease-in-out}.btn-primary:hover{background-color:#1d4ed8;transform:translateY(-1px)}.btn-primary:disabled{background-color:#9ca3af;cursor:not-allowed;transform:none}.btn-secondary{background-color:#e2e8f0;color:#1f2937;font-weight:500;transition:all .2s ease-in-out}.btn-secondary:hover{background-color:#cbd5e1}.btn-danger{background-color:#ef4444;color:#fff;font-weight:500;transition:all .2s ease-in-out}.btn-danger:hover{background-color:#dc2626}.spinner{border:2px solid #f3f3f3;border-top:2px solid #3498db;border-radius:50%;width:16px;height:16px;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}#timer-progress{transition:stroke-dashoffset .3s linear,stroke .5s ease-in-out}.timer-warning #timer-progress{stroke:#ef4444}.timer-pulse{animation:pulse 1.2s infinite ease-in-out}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.loader-container{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:3rem;min-height:200px}.loader{width:48px;height:48px;border:4px solid #e2e8f0;border-top-color:#3b82f6;border-radius:50%;animation:spin 1s linear infinite}