:root{--color-bg: #0f001a;--color-bg-glow: #1a0835;--color-surface: rgba(32, 8, 58, .55);--color-surface-solid: #1a0f2e;--color-surface-raised: #241040;--color-primary: #32015b;--color-primary-hover: #4a0a82;--color-primary-active: #5c1a9a;--color-accent: #00c4e8;--color-accent-soft: rgba(0, 196, 232, .15);--color-text: #ffffff;--color-text-muted: rgba(255, 255, 255, .72);--color-text-subtle: rgba(255, 255, 255, .5);--color-border: rgba(255, 255, 255, .1);--color-border-strong: rgba(255, 255, 255, .18);--color-border-focus: rgba(0, 196, 232, .55);--color-error: #ff6b7a;--shadow-sm: 0 2px 12px rgba(0, 0, 0, .35);--shadow-md: 0 12px 40px rgba(0, 0, 0, .45);--shadow-glow: 0 0 32px rgba(50, 1, 91, .45);--shadow-accent: 0 0 24px rgba(0, 196, 232, .2);--radius-sm: 10px;--radius-md: 16px;--radius-lg: 24px;--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--space-xs: .5rem;--space-sm: 1rem;--space-md: 1.5rem;--space-lg: 2rem;--space-xl: 3rem;--touch-min: 48px}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font-sans);font-size:1.125rem;line-height:1.55;color:var(--color-text);background-color:var(--color-bg);background-image:radial-gradient(ellipse 120% 80% at 50% -20%,var(--color-bg-glow) 0%,transparent 55%),radial-gradient(ellipse 60% 50% at 100% 50%,rgba(50,1,91,.35) 0%,transparent 50%),radial-gradient(ellipse 50% 40% at 0% 80%,rgba(0,168,222,.08) 0%,transparent 45%);background-attachment:fixed;-webkit-font-smoothing:antialiased}.app{display:flex;flex-direction:column;min-height:100%;max-width:1100px;margin:0 auto}.app-header{flex-shrink:0;padding:var(--space-md) var(--space-lg);text-align:center}.app-brand{font-size:1.125rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--color-text);opacity:.9}.app-brand__title{background:none;border:none;padding:0;font:inherit;font-weight:inherit;letter-spacing:inherit;text-transform:inherit;color:inherit;cursor:pointer}.app-main{flex:1;display:flex;flex-direction:column;padding:0 var(--space-lg) var(--space-xl)}.screen{flex:1;display:flex;flex-direction:column;animation:fadeIn .4s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.screen__content{flex:1;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md),var(--shadow-glow);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:var(--space-xl)}.screen__content--centered{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:var(--space-md)}.screen__title{font-size:clamp(1.875rem,4vw,2.625rem);font-weight:800;line-height:1.15;margin:0;color:var(--color-text);letter-spacing:-.02em}.screen__subtitle{font-size:clamp(1.0625rem,2vw,1.25rem);color:var(--color-text-muted);margin:0;max-width:32rem;line-height:1.6}.eyebrow{font-size:.8125rem;font-weight:600;text-transform:uppercase;letter-spacing:.14em;color:var(--color-accent);margin:0 0 var(--space-xs)}.start-screen__uc-logo{width:min(100%,20rem);margin-top:calc(-1 * var(--space-md));margin-bottom:var(--space-xl)}.student-form{width:100%;max-width:24rem;display:flex;flex-direction:column;gap:var(--space-md);margin-top:var(--space-sm);text-align:left}.student-form__submit{width:100%;margin-top:var(--space-xs)}.form-field{display:flex;flex-direction:column;gap:.375rem}.form-label{font-size:.9375rem;font-weight:600;color:var(--color-text-muted)}.form-input{width:100%;min-height:var(--touch-min);padding:.75rem 1rem;font-family:inherit;font-size:1.0625rem;color:var(--color-text);background:var(--color-surface-solid);border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);transition:border-color .2s ease,box-shadow .2s ease}.form-input::placeholder{color:var(--color-text-subtle)}.form-input:focus{outline:none;border-color:var(--color-border-focus);box-shadow:var(--shadow-accent)}.form-input--error{border-color:var(--color-error)}.form-error{margin:0;font-size:.875rem;color:var(--color-error)}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:var(--touch-min);padding:.875rem 1.75rem;font-family:inherit;font-size:1.0625rem;font-weight:600;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background .2s ease,border-color .2s ease,color .2s ease,transform .15s ease,box-shadow .2s ease}.btn:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}.btn:active{transform:scale(.98)}.btn-primary{background:var(--color-primary);color:#fff;box-shadow:var(--shadow-sm),0 0 0 1px #ffffff0f inset}.btn-primary:hover{background:var(--color-primary-hover);box-shadow:var(--shadow-md),var(--shadow-glow)}.btn-primary:active{background:var(--color-primary-active)}.btn-secondary{background:transparent;color:var(--color-text-muted);border:1px solid var(--color-border-strong)}.btn-secondary:hover{border-color:var(--color-border-focus);color:var(--color-text);background:var(--color-accent-soft)}.btn-large{min-height:60px;padding:1rem 2.25rem;font-size:1.1875rem;border-radius:var(--radius-md);margin-top:var(--space-sm)}.button-row{display:flex;flex-wrap:nowrap;align-items:center;gap:var(--space-md);justify-content:center;margin-top:var(--space-lg)}.button-row .btn{margin-top:0;min-width:12rem}.question-header{margin-bottom:var(--space-md);padding:0 var(--space-xs)}.question-header__progress{font-size:1rem;font-weight:600;color:var(--color-text-subtle);margin:0 0 var(--space-sm);letter-spacing:.02em}.progress-bar__track{height:8px;background:#ffffff14;border-radius:999px;overflow:hidden}.progress-bar__fill{height:100%;background:linear-gradient(90deg,var(--color-primary-hover),var(--color-accent));border-radius:999px;transition:width .4s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-accent)}.question-title{font-size:clamp(1.375rem,3vw,1.875rem);font-weight:700;margin:0 0 var(--space-lg);line-height:1.35;color:var(--color-text);letter-spacing:-.01em}.question-helper{font-size:1.0625rem;color:var(--color-text-muted);margin:0 0 var(--space-lg)}.answer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-md)}.answer-card{display:flex;align-items:flex-start;gap:var(--space-md);width:100%;min-height:100px;padding:var(--space-md) var(--space-lg);text-align:left;font-family:inherit;background:var(--color-surface-solid);border:1px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;transition:border-color .2s ease,background .2s ease,box-shadow .2s ease,transform .15s ease}.answer-card:hover{border-color:#00c4e859;background:var(--color-surface-raised);box-shadow:var(--shadow-sm),var(--shadow-accent)}.answer-card:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-color:var(--color-border-focus)}.answer-card:active{transform:scale(.99);background:#32015b80}.answer-card__letter{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:2.25rem;height:2.25rem;font-size:1rem;font-weight:800;color:var(--color-accent);background:var(--color-accent-soft);border-radius:var(--radius-sm)}.answer-card__label{flex:1;font-size:1.0625rem;font-weight:500;color:var(--color-text);line-height:1.45;padding-top:.2rem}.answer-card__icon{font-size:2rem;line-height:1}.answer-card__description{font-size:.9375rem;color:var(--color-text-muted);line-height:1.45}.question-footer{display:flex;justify-content:space-between;align-items:center;gap:var(--space-md);margin-top:var(--space-lg);padding-top:var(--space-md)}.result-title{font-size:clamp(1.75rem,3.5vw,2.375rem);font-weight:800;margin:0 0 var(--space-md);color:var(--color-text);letter-spacing:-.02em;background:linear-gradient(135deg,#fff,#00c4e8d9);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.result-confidence{font-size:1rem;color:var(--color-text-muted);margin:0 0 var(--space-md)}.result-confidence strong{color:var(--color-accent);font-weight:700}.result-summary{font-size:1.125rem;color:var(--color-text-muted);margin:0 0 var(--space-xl);max-width:48rem;line-height:1.65}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.score-table{width:100%;border-collapse:collapse;font-size:1rem}.score-table th,.score-table td{padding:var(--space-sm) var(--space-md);text-align:left;border-bottom:1px solid var(--color-border)}.score-table th{font-weight:600;color:var(--color-text-subtle);text-transform:uppercase;font-size:.75rem;letter-spacing:.08em}.score-table tbody tr:hover{background:#ffffff08}.score-table td:last-child{position:relative;width:38%;min-width:6rem}.score-table__value{position:relative;z-index:1;font-weight:700;color:var(--color-accent)}.score-table__bar{position:absolute;left:var(--space-md);bottom:.4rem;height:4px;max-width:calc(100% - var(--space-md));background:linear-gradient(90deg,var(--color-primary),var(--color-accent));border-radius:999px;z-index:0;opacity:.85}.result-list--plain{list-style:disc;padding-left:1.5rem;color:var(--color-text-muted)}.result-block{margin-bottom:var(--space-lg)}.result-block__heading{font-size:.8125rem;font-weight:700;margin:0 0 var(--space-sm);text-transform:uppercase;letter-spacing:.1em;color:var(--color-text-subtle)}.result-meta-grid{display:grid;grid-template-columns:minmax(10rem,14rem) 1fr;gap:.625rem var(--space-md);margin:0}.result-meta-grid dt{font-size:.875rem;font-weight:700;color:var(--color-text-subtle);text-transform:uppercase;letter-spacing:.06em}.result-meta-grid dd{margin:0;color:var(--color-text-muted)}.result-inline-note{color:var(--color-accent);font-weight:700}.result-list{margin:0;padding-left:1.5rem;font-size:1.0625rem;color:var(--color-text-muted)}.result-list li{margin-bottom:var(--space-xs)}.tag-list{display:flex;flex-wrap:wrap;gap:var(--space-sm);list-style:none;margin:0;padding:0}.tag{padding:.45rem 1rem;font-size:.9375rem;font-weight:600;background:#32015ba6;color:var(--color-text);border:1px solid rgba(255,255,255,.1);border-radius:999px}.tag--muted{background:#ffffff0f;color:var(--color-text-muted);border-color:var(--color-border)}.result-actions{display:flex;justify-content:center;margin-top:var(--space-xl);padding-top:var(--space-lg);border-top:1px solid var(--color-border)}.result-actions .btn{margin-top:0;min-width:12rem}.loading-spinner{width:52px;height:52px;border:3px solid rgba(255,255,255,.1);border-top-color:var(--color-accent);border-radius:50%;animation:spin .85s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.screen--error .screen__title{color:var(--color-error)}.screen--loading .screen__title{font-size:clamp(1.5rem,3vw,2rem)}@media(max-width:768px){.app-main{padding:0 var(--space-md) var(--space-lg)}.screen__content{padding:var(--space-lg);border-radius:var(--radius-md)}.answer-grid{grid-template-columns:1fr}.question-footer{flex-direction:column-reverse;align-items:stretch}.question-footer .btn{width:100%}.result-meta-grid{grid-template-columns:1fr;gap:.35rem}}@media(min-width:1024px){.answer-grid{grid-template-columns:repeat(2,1fr)}}@media(prefers-reduced-motion:reduce){.screen,.progress-bar__fill,.btn,.answer-card{animation:none;transition:none}}