:root{--color-primary: #0066cc;--color-primary-hover: #0052a3;--color-primary-light: #e6f0fa;--color-white: #ffffff;--color-gray-50: #f9fafb;--color-gray-100: #f3f4f6;--color-gray-200: #e5e7eb;--color-gray-300: #d1d5db;--color-gray-400: #9ca3af;--color-gray-500: #6b7280;--color-gray-600: #4b5563;--color-gray-700: #374151;--color-gray-800: #1f2937;--color-gray-900: #111827;--color-error: #dc2626;--color-error-light: #fef2f2;--color-success: #16a34a;--color-success-light: #f0fdf4;--color-warning: #d97706;--color-warning-light: #fffbeb;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 1.875rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--radius-sm: .25rem;--radius-md: .375rem;--radius-lg: .5rem;--radius-xl: .75rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .1);--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease}*,*:before,*:after{box-sizing:border-box}*{margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.5;color:var(--color-gray-900);background-color:var(--color-gray-50);min-height:100vh}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-primary-hover);text-decoration:underline}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none}.app{min-height:100vh;display:flex;flex-direction:column}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-8);gap:var(--space-4)}.loading-fullscreen{position:fixed;top:0;right:0;bottom:0;left:0;background-color:var(--color-white);z-index:1000}.loading-spinner{width:48px;height:48px}.spinner-svg{animation:rotate 1.5s linear infinite}.spinner-circle{stroke:var(--color-primary);stroke-linecap:round;animation:dash 1.5s ease-in-out infinite}@keyframes rotate{to{transform:rotate(360deg)}}@keyframes dash{0%{stroke-dasharray:1,150;stroke-dashoffset:0}50%{stroke-dasharray:90,150;stroke-dashoffset:-35}to{stroke-dasharray:90,150;stroke-dashoffset:-124}}.loading-message{color:var(--color-gray-600);font-size:var(--font-size-sm)}.login-page{flex:1;display:flex;align-items:center;justify-content:center;padding:var(--space-4);background:linear-gradient(135deg,var(--color-gray-50) 0%,var(--color-gray-100) 100%)}.login-container{width:100%;max-width:400px;background:var(--color-white);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);padding:var(--space-10)}.login-header{text-align:center;margin-bottom:var(--space-8)}.logo{display:flex;align-items:center;justify-content:center;gap:var(--space-3);margin-bottom:var(--space-6)}.logo-icon{width:40px;height:40px}.logo-text{font-size:var(--font-size-2xl);font-weight:700;color:var(--color-gray-900)}.login-title{font-size:var(--font-size-3xl);font-weight:700;color:var(--color-gray-900);margin-bottom:var(--space-2)}.login-subtitle{color:var(--color-gray-500);font-size:var(--font-size-base)}.login-error{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-4);background-color:var(--color-error-light);border:1px solid var(--color-error);border-radius:var(--radius-lg);margin-bottom:var(--space-6)}.error-icon{flex-shrink:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center;background-color:var(--color-error);color:var(--color-white);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:700}.error-content{flex:1}.error-message{color:var(--color-error);font-size:var(--font-size-sm);margin-bottom:var(--space-2)}.error-dismiss{color:var(--color-error);font-size:var(--font-size-sm);font-weight:500;text-decoration:underline;cursor:pointer}.error-dismiss:hover{color:var(--color-gray-700)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-3);padding:var(--space-3) var(--space-6);font-size:var(--font-size-base);font-weight:500;border-radius:var(--radius-lg);transition:all var(--transition-normal);cursor:pointer}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background-color:var(--color-gray-900);color:var(--color-white);border:1px solid var(--color-gray-900)}.btn-primary:hover:not(:disabled){background-color:var(--color-gray-800);border-color:var(--color-gray-800)}.btn-secondary{background-color:transparent;color:var(--color-gray-600);border:1px solid var(--color-gray-200)}.btn-secondary:hover:not(:disabled){background-color:var(--color-gray-50);border-color:var(--color-gray-300)}.btn-icon{width:20px;height:20px;flex-shrink:0}.btn-spinner{width:20px;height:20px;border:2px solid var(--color-white);border-top-color:transparent;border-radius:var(--radius-full);animation:rotate .8s linear infinite}.login-actions{display:flex;flex-direction:column;gap:var(--space-4);margin-bottom:var(--space-8)}.btn-signin{width:100%;padding:var(--space-4) var(--space-6)}.btn-signin-alt{font-size:var(--font-size-sm)}.login-footer{text-align:center;border-top:1px solid var(--color-gray-200);padding-top:var(--space-6)}.login-help{color:var(--color-gray-600);font-size:var(--font-size-sm);margin-bottom:var(--space-4)}.help-link{font-weight:500}.login-terms{color:var(--color-gray-400);font-size:var(--font-size-xs)}.terms-link,.privacy-link{color:var(--color-gray-500)}.terms-link:hover,.privacy-link:hover{color:var(--color-gray-700)}.redirect-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-8);text-align:center}.redirect-message{color:var(--color-gray-600);margin-top:var(--space-4)}.redirect-link{font-weight:500}.redirect-fallback{color:var(--color-gray-400);font-size:var(--font-size-sm);margin-top:var(--space-2)}.redirect-error{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-8);text-align:center}.redirect-error h2{color:var(--color-error);margin-bottom:var(--space-4)}.redirect-error p{color:var(--color-gray-600);margin-bottom:var(--space-6)}.error-back-link{font-weight:500}.logout-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-8);text-align:center}.logout-page h1{font-size:var(--font-size-2xl);color:var(--color-gray-900);margin-bottom:var(--space-4)}.logout-page p{color:var(--color-gray-600);margin-bottom:var(--space-6)}.not-found-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-8);text-align:center}.not-found-page h1{font-size:var(--font-size-3xl);color:var(--color-gray-900);margin-bottom:var(--space-4)}.not-found-page p{color:var(--color-gray-600);margin-bottom:var(--space-6)}.access-denied{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-8);text-align:center}.access-denied h2{color:var(--color-error);margin-bottom:var(--space-4)}.access-denied p{color:var(--color-gray-600);margin-bottom:var(--space-2)}@media(max-width:480px){.login-container{padding:var(--space-6);border-radius:var(--radius-lg)}.login-title{font-size:var(--font-size-2xl)}.btn-signin{padding:var(--space-3) var(--space-4)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}