:root{--primary-color: #2563eb;--secondary-color: #1e40af;--accent-color: #3b82f6;--text-primary: #1e293b;--text-secondary: #475569;--bg-primary: #ffffff;--bg-secondary: #f8fafc;--border-color: #e2e8f0;--hc-bg: #000000;--hc-text: #ffffff;--hc-border: #ffffff;--spacing-xs: 8px;--spacing-sm: 16px;--spacing-md: 24px;--spacing-lg: 32px;--spacing-xl: 48px;--touch-min: 80px;--touch-recommended: 100px;--font-base: 24px;--font-lg: 32px;--font-xl: 40px;--font-2xl: 48px;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .1);--shadow-md: 0 4px 8px rgba(0, 0, 0, .15);--shadow-lg: 0 8px 16px rgba(0, 0, 0, .2);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-size:var(--font-base);line-height:1.6;color:var(--text-primary);background-color:var(--bg-secondary);overflow-x:hidden;-webkit-tap-highlight-color:transparent}*{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}.kiosk-app{height:100vh;max-height:100vh;display:flex;flex-direction:column;overflow:hidden}.kiosk-app.small{--font-base: 16px;--font-lg: 18px;--font-xl: 22px;--font-2xl: 26px;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 10px;--spacing-lg: 12px;--spacing-xl: 16px;--touch-min: 44px;--touch-recommended: 60px}.kiosk-app.normal{--font-base: 24px;--font-lg: 32px;--font-xl: 40px;--font-2xl: 48px}.kiosk-app.large{--font-base: 28px;--font-lg: 36px;--font-xl: 44px;--font-2xl: 56px}.kiosk-app.small .kiosk-header{padding:var(--spacing-sm)}.kiosk-app.small .welcome-message{margin-bottom:var(--spacing-md)}.kiosk-app.small .welcome-message h1{margin-bottom:0}.kiosk-app.small .practice-logo{max-height:50px}.kiosk-app.high-contrast{background-color:var(--hc-bg);color:var(--hc-text)}.kiosk-app.high-contrast .kiosk-header,.kiosk-app.high-contrast .kiosk-main,.kiosk-app.high-contrast .kiosk-footer{background-color:var(--hc-bg);color:var(--hc-text);border-color:var(--hc-border)}.start-screen{background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);justify-content:center;align-items:center;padding:var(--spacing-xl);position:relative;overflow:hidden}.start-screen-overlay{position:absolute;inset:0;background:#0006;z-index:1}.start-screen-content{text-align:center;max-width:800px;animation:fadeInUp .6s ease;z-index:2;position:relative}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.start-screen-logo h1{font-size:var(--font-2xl);color:#fff;margin-bottom:var(--spacing-sm);font-weight:700}.start-screen-location{font-size:var(--font-lg);color:#ffffffe6;margin-bottom:var(--spacing-xl)}.start-screen-message{margin:var(--spacing-xl) 0}.start-screen-message h2{font-size:var(--font-xl);color:#fff;margin-bottom:var(--spacing-md);font-weight:600}.start-screen-message p{font-size:var(--font-lg);color:#fffffff2;animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.start-button{background-color:#fff;color:var(--primary-color);border:none;border-radius:var(--radius-lg);padding:var(--spacing-lg) var(--spacing-xl);font-size:var(--font-xl);font-weight:700;cursor:pointer;min-width:300px;min-height:var(--touch-recommended);box-shadow:0 8px 24px #0003;transition:all .3s ease;margin:var(--spacing-xl) 0}.start-button:hover{transform:translateY(-4px);box-shadow:0 12px 32px #0000004d}.start-button:active{transform:translateY(-2px)}.start-button:focus{outline:4px solid rgba(255,255,255,.5);outline-offset:4px}.start-screen-footer{margin-top:var(--spacing-xl)}.start-screen-footer p{font-size:var(--font-base);color:#fffc}.kiosk-header{background-color:var(--bg-primary);border-bottom:3px solid var(--primary-color);padding:var(--spacing-lg);box-shadow:var(--shadow-sm)}.header-content{max-width:1400px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-md)}.header-left{display:flex;align-items:center;gap:var(--spacing-md)}.header-right{display:flex;align-items:center}.practice-logo{max-height:80px;width:auto}.practice-info h2{font-size:var(--font-xl);color:var(--primary-color);margin-bottom:var(--spacing-xs)}.practice-location{font-size:var(--font-base);color:var(--text-secondary)}.accessibility-controls{display:flex;gap:var(--spacing-md);flex-wrap:nowrap}.control-group{display:flex;align-items:center;gap:var(--spacing-sm)}.control-label{font-size:var(--font-base);font-weight:600;color:var(--text-primary)}.control-btn{min-width:60px;min-height:60px;padding:var(--spacing-sm);border:2px solid var(--border-color);background-color:var(--bg-primary);color:var(--text-primary);font-size:var(--font-base);font-weight:600;border-radius:var(--radius-sm);cursor:pointer;transition:all .2s}.control-btn:hover{background-color:var(--bg-secondary);border-color:var(--primary-color)}.control-btn:focus{outline:4px solid var(--primary-color);outline-offset:2px}.control-btn.active{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color)}.control-btn:nth-child(2){font-size:calc(var(--font-base) * .9)}.control-btn:nth-child(3){font-size:var(--font-base)}.control-btn:nth-child(4){font-size:calc(var(--font-base) * 1.1)}.contrast-btn{min-width:auto;padding:var(--spacing-sm) var(--spacing-md)}.kiosk-main{flex:1;padding:var(--spacing-xl);max-width:1400px;width:100%;margin:0 auto;display:flex;flex-direction:column;overflow-y:auto;-ms-overflow-style:none;scrollbar-width:none}.kiosk-main::-webkit-scrollbar{display:none}.welcome-message{text-align:center;margin-bottom:var(--spacing-xl);flex-shrink:0}.welcome-message h1{font-size:var(--font-2xl);color:var(--primary-color);margin-bottom:var(--spacing-sm)}.welcome-message p{font-size:var(--font-lg);color:var(--text-secondary)}.button-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:var(--spacing-lg);padding:var(--spacing-md) 0;flex:1;align-content:stretch;grid-auto-rows:1fr}.kiosk-button{min-height:var(--touch-recommended);height:100%;padding:var(--spacing-lg);background-color:var(--primary-color);color:#fff;border:none;border-radius:var(--radius-lg);font-size:var(--font-lg);font-weight:600;cursor:pointer;transition:all .3s ease;box-shadow:var(--shadow-md);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-sm);text-align:center}.kiosk-button:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.kiosk-button:active{transform:translateY(-2px)}.kiosk-button:focus{outline:4px solid #fbbf24;outline-offset:4px}.button-icon{font-size:2.5em;line-height:1}.button-text{font-size:var(--font-lg);font-weight:700}.button-description{font-size:var(--font-base);font-weight:400;opacity:.9;margin-top:var(--spacing-xs)}.high-contrast-button{background-color:#000!important;color:#fff!important;border:4px solid #ffffff!important}.high-contrast-button:focus{outline:4px solid #ffff00}.no-buttons{text-align:center;padding:var(--spacing-xl);background-color:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.no-buttons p{font-size:var(--font-lg);color:var(--text-secondary)}.kiosk-footer{background-color:var(--bg-primary);border-top:1px solid var(--border-color);padding:var(--spacing-lg);text-align:center;position:relative}.kiosk-footer p{font-size:var(--font-base);color:var(--text-secondary)}.footer-branding{position:absolute;bottom:var(--spacing-sm);right:var(--spacing-lg);display:flex;align-items:center;gap:8px;opacity:.5;transition:opacity .3s ease;cursor:pointer}.footer-branding:hover{opacity:.8}.footer-branding:focus{outline:2px solid var(--primary-color);outline-offset:2px;border-radius:4px}.footer-branding span{font-size:14px;color:var(--text-secondary);font-weight:500}.n3i-logo{height:24px;width:auto}.modal-overlay{position:fixed;inset:0;background-color:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background-color:var(--bg-primary);border-radius:var(--radius-lg);padding:var(--spacing-xl);max-width:500px;width:90%;position:relative;box-shadow:0 20px 60px #0000004d;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-close{position:absolute;top:var(--spacing-md);right:var(--spacing-md);background:none;border:none;font-size:48px;color:var(--text-secondary);cursor:pointer;line-height:1;padding:0;width:60px;height:60px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s}.modal-close:hover{background-color:var(--bg-secondary);color:var(--text-primary)}.modal-close:focus{outline:4px solid var(--primary-color);outline-offset:2px}.modal-body{text-align:center;padding:var(--spacing-md)}.modal-logo{height:120px;width:auto;margin-bottom:var(--spacing-lg)}.modal-body h2{font-size:var(--font-xl);color:var(--text-primary);margin-bottom:var(--spacing-md)}.modal-link{display:inline-block;font-size:var(--font-lg);color:var(--primary-color);text-decoration:none;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-sm);transition:all .2s}.modal-link:hover{background-color:var(--bg-secondary);text-decoration:underline}.modal-link:focus{outline:4px solid var(--primary-color);outline-offset:2px}.loading-screen,.error-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:var(--bg-secondary)}.loading-spinner,.error-content{text-align:center;padding:var(--spacing-xl);background-color:var(--bg-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.loading-spinner p{font-size:var(--font-xl);color:var(--text-primary)}.error-content h1{font-size:var(--font-2xl);color:var(--primary-color);margin-bottom:var(--spacing-md)}.error-content p{font-size:var(--font-lg);color:var(--text-secondary)}@media(min-width:768px)and (max-width:1024px){.button-container{grid-template-columns:repeat(2,1fr)}.kiosk-button{min-height:140px}}@media(min-width:1400px){.button-container{grid-template-columns:repeat(3,1fr)}}@media(orientation:landscape){.kiosk-main{padding:var(--spacing-lg) var(--spacing-xl)}}@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media print{.accessibility-controls,.kiosk-footer{display:none}}.alert-banner{margin:0 var(--spacing-xl);padding:var(--spacing-md) var(--spacing-lg);border-radius:var(--radius-md);margin-top:var(--spacing-md);display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-md);animation:slideDown .3s ease;border-left:6px solid transparent}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.alert-content{display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm);flex:1}.alert-message{font-size:var(--font-lg);font-weight:500}.alert-banner.info{background-color:#eff6ff;color:#1e40af;border-left-color:#3b82f6}.alert-banner.warning{background-color:#fefce8;color:#854d0e;border-left-color:#eab308}.alert-banner.error{background-color:#fef2f2;color:#991b1b;border-left-color:#ef4444}.alert-banner.success{background-color:#f0fdf4;color:#166534;border-left-color:#22c55e}.kiosk-app.high-contrast .alert-banner{background-color:#000;color:#fff;border:2px solid #ffffff!important}.kiosk-app.high-contrast .alert-banner.info{border-left:8px solid #3b82f6!important}.kiosk-app.high-contrast .alert-banner.warning{border-left:8px solid #eab308!important}.kiosk-app.high-contrast .alert-banner.error{border-left:8px solid #ef4444!important}.kiosk-app.high-contrast .alert-banner.success{border-left:8px solid #22c55e!important}.alert-dismiss{background:none;border:none;font-size:2rem;line-height:1;cursor:pointer;color:currentColor;padding:var(--spacing-xs);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;min-width:44px;min-height:44px}.alert-dismiss:hover{background-color:#0000000d}.kiosk-app.high-contrast .alert-dismiss:hover{background-color:#fff3}