.high-contrast{--background:#000000;--foreground:#ffffff;--card:#111111;--card-foreground:#ffffff;--popover:#111111;--popover-foreground:#ffffff;--primary:#ffffff;--primary-foreground:#000000;--secondary:#333333;--secondary-foreground:#ffffff;--muted:#222222;--muted-foreground:#cccccc;--accent:#444444;--accent-foreground:#ffffff;--destructive:#ff0000;--destructive-foreground:#ffffff;--border:#444444;--input:#222222;--ring:#ffffff}.high-contrast *{border-color:var(--border)!important}.high-contrast button:focus,.high-contrast input:focus,.high-contrast select:focus,.high-contrast textarea:focus{outline:3px solid #ffffff!important;outline-offset:2px!important}.large-text{font-size:18px}.large-text h1{font-size:2.5rem}.large-text h2{font-size:2rem}.large-text h3{font-size:1.75rem}.large-text h4{font-size:1.5rem}.large-text h5{font-size:1.25rem}.large-text h6{font-size:1.125rem}.large-text .text-xs{font-size:.875rem}.large-text .text-sm{font-size:1rem}.large-text .text-base{font-size:1.125rem}.large-text .text-lg{font-size:1.25rem}.large-text .text-xl{font-size:1.5rem}.large-text button,.large-text input,.large-text select,.large-text textarea{font-size:1.125rem;padding:.75rem 1rem}.reduced-motion *,.reduced-motion :after,.reduced-motion :before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.keyboard-navigation :focus{outline:2px solid #2563eb;outline-offset:2px}.keyboard-navigation [role=button]:focus,.keyboard-navigation button:focus{outline:3px solid #2563eb;outline-offset:2px}.skip-link{position:absolute;top:-40px;left:6px;background:#2563eb;color:white;padding:8px;text-decoration:none;border-radius:4px;z-index:1000}.skip-link:focus{top:6px}.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}button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 8px rgba(0,0,0,.1)}.reduced-motion button:hover:not(:disabled){transform:none;box-shadow:none}.high-contrast :focus{outline:3px solid #ffffff!important;outline-offset:2px!important;box-shadow:0 0 0 1px #000000!important}.high-contrast a{text-decoration:underline!important;color:#ffffff!important}.high-contrast a:hover{background-color:#333333!important}.large-text input,.large-text select,.large-text textarea{min-height:48px}.large-text button{min-height:48px;min-width:48px}.loading-skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:200% 100%;animation:loading 1.5s infinite}.reduced-motion .loading-skeleton{background:#f0f0f0;animation:none}@keyframes loading{0%{background-position:200% 0}to{background-position:-200% 0}}.error-state{border:2px solid #dc2626!important;background-color:#fef2f2!important}.high-contrast .error-state{border:3px solid #ff0000!important;background-color:#330000!important;color:#ffffff!important}.success-state{border:2px solid #16a34a!important;background-color:#f0fdf4!important}.high-contrast .success-state{border:3px solid #00ff00!important;background-color:#003300!important;color:#ffffff!important}