:root{--color-primary: #667eea;--color-secondary: #764ba2;--color-accent: #4facfe;--color-accent-light: #00f2fe;--color-google: #4285f4;--color-text-primary: #2d3748;--color-text-secondary: #718096;--color-text-muted: #4a5568;--color-text-light: #a0aec0;--color-bg-primary: rgba(255, 255, 255, .95);--color-bg-circle: rgba(255, 255, 255, .1);--color-border: #e2e8f0;--color-border-light: #f3f3f3;--shadow-card: 0 20px 40px rgba(0, 0, 0, .1);--shadow-card-hover: 0 25px 50px rgba(0, 0, 0, .15);--shadow-button: 0 10px 25px rgba(0, 0, 0, .1);--shadow-logo: 0 10px 30px rgba(79, 172, 254, .3);--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--radius-sm: 12px;--radius-md: 20px;--radius-lg: 24px;--transition-fast: .3s ease;--transition-medium: .6s ease;--transition-slow: .8s cubic-bezier(.4, 0, .2, 1);--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;--font-size-sm: .8rem;--font-size-base: 1rem;--font-size-lg: 1.8rem;--font-size-xl: 2.2rem}.new-session-btn{width:100%;padding:var(--spacing-sm) var(--spacing-md);background:#fff;border:2px solid var(--color-border);border-radius:var(--radius-sm);font-size:var(--font-size-base);font-weight:600;color:var(--color-text-primary);cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center;gap:12px;position:relative;overflow:hidden;outline:none}.new-session-btn:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);transition:left .5s}.new-session-btn:hover:before{left:100%}.new-session-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-button);border-color:var(--color-google)}.new-session-btn:active{transform:translateY(0)}.new-session-btn.loading{opacity:.7;cursor:not-allowed}.new-session-btn.loading:hover{transform:none;box-shadow:none;border-color:var(--color-border)}.devio-login-container{font-family:var(--font-family);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}.bg-animation{position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden;z-index:0;pointer-events:none}.bg-circle{position:absolute;border-radius:50%;background:var(--color-bg-circle);animation:float 6s ease-in-out infinite}.bg-circle-1{width:80px;height:80px;top:10%;left:10%;animation-delay:0s}.bg-circle-2{width:120px;height:120px;top:20%;right:10%;animation-delay:2s}.bg-circle-3{width:100px;height:100px;bottom:20%;left:15%;animation-delay:4s}.bg-circle-4{width:60px;height:60px;bottom:30%;right:20%;animation-delay:1s}@keyframes float{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-20px) rotate(180deg)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.login-card{background:var(--color-bg-primary);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:var(--radius-lg);padding:var(--spacing-xl);box-shadow:var(--shadow-card);text-align:center;max-width:820px;width:90%;position:relative;z-index:1;opacity:0;transform:translateY(50px);transition:all var(--transition-slow)}.login-card.visible{opacity:1;transform:translateY(0)}.login-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-card-hover)}.logo-section{margin-bottom:var(--spacing-lg)}.logo-icon{width:80px;height:80px;background:linear-gradient(135deg,var(--color-accent) 0%,var(--color-accent-light) 100%);border-radius:var(--radius-md);margin:0 auto var(--spacing-sm);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-logo);animation:pulse 2s ease-in-out infinite}.logo-svg{width:40px;height:40px;fill:#fff}.app-title{font-size:var(--font-size-xl);font-weight:700;color:var(--color-text-primary);margin-bottom:var(--spacing-xs);background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.app-subtitle{font-size:var(--font-size-base);color:var(--color-text-secondary);margin-bottom:var(--spacing-xl);font-weight:400}.features-section{margin-top:var(--spacing-xl);text-align:left;display:flex;flex-direction:column;align-items:center}.feature-item{display:flex;align-items:center;gap:12px;margin-bottom:var(--spacing-sm);color:var(--color-text-muted);font-size:.9rem;opacity:0;transform:translateY(20px);transition:all var(--transition-medium)}.feature-item.visible{opacity:1;transform:translateY(0)}.feature-icon{width:16px;height:16px;fill:var(--color-accent);flex-shrink:0}.footer-text{margin-top:var(--spacing-lg);font-size:var(--font-size-sm);color:var(--color-text-light);line-height:1.5}.flex.justify-center.mt-4>div{font-weight:800!important}.new-session-btn{font-weight:800}@media (max-width: 480px){.login-card{padding:var(--spacing-lg);margin:var(--spacing-sm);max-width:calc(100% - 2rem)}.app-title{font-size:var(--font-size-lg)}.logo-icon{width:70px;height:70px}.logo-svg{width:35px;height:35px}.new-session-btn{padding:.875rem 1.25rem;font-size:.95rem}.app-subtitle{margin-bottom:var(--spacing-lg)}.features-section{margin-top:var(--spacing-lg)}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;color:#374151}.min-h-screen{min-height:100vh}.max-w-4xl{max-width:56rem;margin:0 auto}.max-w-2xl{max-width:42rem;margin:0 auto}.mx-auto{margin-left:auto;margin-right:auto}.w-full{width:100%}.h-4{height:1rem}.h-8{height:2rem}.h-10{height:2.5rem}.h-16{height:4rem}.w-4{width:1rem}.w-5{width:1.25rem}.w-8{width:2rem}.w-10{width:2.5rem}.w-16{width:4rem}.flex{display:flex}.flex-1{flex:1 1 0%}.items-center{align-items:center}.items-start{align-items:flex-start}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.grid{display:grid}.grid-cols-1{grid-template-columns:repeat(1,minmax(0,1fr))}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.p-2{padding:.5rem}.p-3{padding:.75rem}.p-4{padding:1rem}.p-6{padding:1.5rem}.px-3{padding-left:.75rem;padding-right:.75rem}.px-6{padding-left:1.5rem;padding-right:1.5rem}.py-1{padding-top:.25rem;padding-bottom:.25rem}.py-3{padding-top:.75rem;padding-bottom:.75rem}.py-12{padding-top:3rem;padding-bottom:3rem}.pt-4{padding-top:1rem}.m-4{margin:1rem}.mb-1{margin-bottom:.25rem}.mb-2{margin-bottom:.5rem}.mb-3{margin-bottom:.75rem}.mb-4{margin-bottom:1rem}.mb-6{margin-bottom:1.5rem}.mb-8{margin-bottom:2rem}.mr-2{margin-right:.5rem}.mr-3{margin-right:.75rem}.ml-4{margin-left:1rem}.gap-2{gap:.5rem}.gap-3{gap:.75rem}.gap-4{gap:1rem}.gap-6{gap:1.5rem}.bg-gradient-to-br{background-image:linear-gradient(to bottom right,var(--tw-gradient-stops))}.from-blue-50{--tw-gradient-from: #eff6ff;--tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, rgba(239, 246, 255, 0))}.to-indigo-100{--tw-gradient-to: #e0e7ff}.bg-white{background-color:#fff}.bg-black{background-color:#000}.bg-gray-50{background-color:#f9fafb}.bg-gray-500{background-color:#6b7280}.bg-indigo-50{background-color:#eef2ff}.bg-indigo-600{background-color:#4f46e5}.bg-indigo-700{background-color:#4338ca}.bg-red-50{background-color:#fef2f2}.bg-red-100{background-color:#fee2e2}.bg-green-100{background-color:#dcfce7}.bg-yellow-100{background-color:#fef3c7}.bg-opacity-50{background-color:#00000080}.text-center{text-align:center}.text-sm{font-size:.875rem;line-height:1.25rem}.text-lg{font-size:1.125rem;line-height:1.75rem}.text-xl{font-size:1.25rem;line-height:1.75rem}.text-2xl{font-size:1.5rem;line-height:2rem}.text-4xl{font-size:2.25rem;line-height:2.5rem}.font-medium{font-weight:500}.font-semibold{font-weight:600}.font-bold{font-weight:700}.text-white{color:#fff}.text-gray-400{color:#9ca3af}.text-gray-500{color:#6b7280}.text-gray-600{color:#4b5563}.text-gray-700{color:#374151}.text-gray-800{color:#1f2937}.text-blue-500{color:#3b82f6}.text-green-500{color:#10b981}.text-green-600{color:#059669}.text-purple-500{color:#8b5cf6}.text-indigo-600{color:#4f46e5}.text-red-600{color:#dc2626}.text-yellow-500{color:#eab308}.text-yellow-600{color:#ca8a04}.text-gray-300{color:#d1d5db}.border{border-width:1px}.border-gray-300{border-color:#d1d5db}.rounded-lg{border-radius:.5rem}.rounded-xl{border-radius:.75rem}.rounded-full{border-radius:9999px}.shadow-lg{box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d}.shadow-2xl{box-shadow:0 25px 50px -12px #00000040}.fixed{position:fixed}.inset-0{top:0;right:0;bottom:0;left:0}.z-50{z-index:50}.block{display:block}.hidden{display:none}.overflow-y-auto{overflow-y:auto}.max-h-90vh{max-height:90vh}.space-y-4>*+*{margin-top:1rem}.space-y-6>*+*{margin-top:1.5rem}.focus\:ring-2:focus{box-shadow:0 0 0 2px #4f46e580}.focus\:ring-indigo-500:focus{box-shadow:0 0 0 2px #4f46e580}.focus\:border-indigo-500:focus{border-color:#4f46e5}.hover\:bg-gray-600:hover{background-color:#4b5563}.hover\:bg-indigo-700:hover{background-color:#4338ca}.hover\:text-indigo-600:hover{color:#4f46e5}.hover\:text-red-600:hover{color:#dc2626}.hover\:bg-indigo-50:hover{background-color:#eef2ff}.hover\:bg-red-50:hover{background-color:#fef2f2}.transition-colors{transition-property:color,background-color,border-color;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.fill-current{fill:currentColor}input,select,textarea{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-color:#fff;border:1px solid #d1d5db;border-radius:.5rem;padding:.75rem;font-size:1rem;line-height:1.5;outline:2px solid transparent;transition:all .15s cubic-bezier(.4,0,.2,1)}input:focus,select:focus,textarea:focus{border-color:#4f46e5;box-shadow:0 0 0 2px #4f46e533}button{cursor:pointer;border:none;border-radius:.5rem;font-weight:600;text-align:center;transition:all .15s cubic-bezier(.4,0,.2,1);display:inline-flex;align-items:center;justify-content:center}button:hover{transform:translateY(-1px)}button:active{transform:translateY(0)}@media (min-width: 768px){.md\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.md\:grid-cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.bg-white{animation:fadeIn .3s ease-out}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1;border-radius:4px}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a8a8a8}