:root{--color-bg-primary: #ffffff;--color-bg-secondary: #f8fafc;--color-bg-card: #ffffff;--color-text-primary: #1e293b;--color-text-secondary: #64748b;--color-text-muted: #94a3b8;--color-accent: #3b82f6;--color-accent-hover: #2563eb;--color-success: #10b981;--color-error: #ef4444;--color-warning: #f59e0b;--color-border: #e2e8f0;--color-input-bg: #ffffff;--color-input-border: #d1d5db;--color-input-focus: #3b82f6;--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);--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--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;--line-height-tight: 1.25;--line-height-normal: 1.5;--line-height-relaxed: 1.75;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--transition-fast: .15s ease-in-out;--transition-normal: .25s ease-in-out}[data-theme=dark]{--color-bg-primary: #0f172a;--color-bg-secondary: #1e293b;--color-bg-card: #1e293b;--color-text-primary: #f1f5f9;--color-text-secondary: #cbd5e1;--color-text-muted: #94a3b8;--color-accent: #60a5fa;--color-accent-hover: #3b82f6;--color-success: #34d399;--color-error: #f87171;--color-warning: #fbbf24;--color-border: #334155;--color-input-bg: #334155;--color-input-border: #475569;--color-input-focus: #60a5fa;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .3);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .3), 0 2px 4px -2px rgb(0 0 0 / .3);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .3), 0 4px 6px -4px rgb(0 0 0 / .3)}*{box-sizing:border-box;margin:0;padding:0}html{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:var(--line-height-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background-color:var(--color-bg-primary);color:var(--color-text-primary);transition:background-color var(--transition-normal),color var(--transition-normal);min-height:100vh}#app{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-md)}.container{width:100%;max-width:36rem;background-color:var(--color-bg-card);border-radius:var(--radius-xl);box-shadow:var(--shadow-lg);padding:var(--space-xl);border:1px solid var(--color-border);transition:all var(--transition-normal)}.header{text-align:center;margin-bottom:var(--space-xl)}.title{font-size:var(--font-size-2xl);font-weight:700;line-height:var(--line-height-tight);margin-bottom:var(--space-sm)}.subtitle{color:var(--color-text-secondary);font-size:var(--font-size-base)}.form{display:grid;gap:var(--space-xl)}.fieldset{border:2px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-lg);margin:0;background-color:var(--color-bg-secondary);transition:all var(--transition-normal)}.fieldset:focus-within{border-color:var(--color-accent);background-color:var(--color-bg-primary)}.legend{font-size:var(--font-size-base);font-weight:700;color:var(--color-text-primary);padding:0 var(--space-sm);background-color:var(--color-bg-card);border-radius:var(--radius-sm);margin-bottom:var(--space-md)}.form-group{display:grid;gap:var(--space-sm)}.form-row{display:grid;grid-template-columns:1fr 1.2fr;gap:var(--space-md)}.label{display:block;font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-primary);line-height:var(--line-height-tight);margin-bottom:6px}.input{width:100%;padding:var(--space-sm) var(--space-md);border:2px solid var(--color-input-border);border-radius:var(--radius-md);background-color:var(--color-input-bg);color:var(--color-text-primary);font-size:var(--font-size-base);transition:all var(--transition-fast)}.input:focus{outline:none;border-color:var(--color-input-focus);box-shadow:0 0 0 3px #3b82f61a}.input::placeholder{color:var(--color-text-muted)}.input.error{border-color:var(--color-error)}.button{width:100%;padding:var(--space-md) var(--space-xl);background-color:var(--color-accent);color:#fff;border:none;border-radius:var(--radius-md);font-size:var(--font-size-base);font-weight:600;cursor:pointer;transition:all var(--transition-fast);display:flex;align-items:center;justify-content:center;gap:var(--space-sm)}.button:hover{background-color:var(--color-accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.button:active{transform:translateY(0)}.button:disabled{opacity:.6;cursor:not-allowed;transform:none}.results{margin-top:var(--space-xl);padding:var(--space-lg);background-color:var(--color-bg-secondary);border-radius:var(--radius-lg);border:1px solid var(--color-border);opacity:0;transform:translateY(10px);transition:all var(--transition-normal);display:none}.results.show{opacity:1;transform:translateY(0);display:block}@keyframes slideInUp{0%{opacity:0;transform:translateY(30px) scale(.95)}60%{transform:translateY(-5px) scale(1.02)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes fadeInLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.8)}50%{transform:scale(1.05)}to{opacity:1;transform:scale(1)}}.decision-container{opacity:0;animation:slideInUp .6s cubic-bezier(.34,1.56,.64,1) forwards}.result-item{opacity:0;transform:translate(-20px)}.result-item.animate{animation:fadeInLeft .4s ease-out forwards}.result-item.highlight.animate{animation:scaleIn .5s cubic-bezier(.34,1.56,.64,1) forwards}.results-grid{display:grid;gap:var(--space-md);margin-bottom:var(--space-lg)}.result-item{display:flex;justify-content:space-between;align-items:center;padding:var(--space-sm) 0;border-bottom:1px solid var(--color-border)}.result-item:last-child{border-bottom:none}.result-item.highlight{background-color:var(--color-bg-primary);padding:var(--space-sm);border-radius:var(--radius-sm);margin:var(--space-sm) 0}.result-label{font-size:var(--font-size-sm);color:var(--color-text-secondary);font-weight:500}.result-value{font-size:var(--font-size-base);font-weight:600;color:var(--color-text-primary)}.decision-container{position:relative;margin-bottom:var(--space-lg)}.confidence-legend{position:absolute;top:-10px;left:50%;transform:translate(-50%);background-color:var(--color-bg-card);padding:0 10px;font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-secondary);border-radius:var(--radius-sm);z-index:1}.decision{text-align:center;padding:var(--space-lg);padding-top:calc(var(--space-lg) + 5px);border-radius:var(--radius-md);border:2px solid;position:relative}.decision-header{display:flex;align-items:center;justify-content:center;gap:var(--space-md);margin-bottom:var(--space-md);flex-wrap:wrap}.decision-icon{font-size:var(--font-size-2xl)}.decision-title{font-size:var(--font-size-lg);font-weight:700}.decision.definitive.positive{border-color:var(--color-success)}.decision.definitive.positive .decision-title{color:var(--color-success)}.decision.definitive.negative{border-color:var(--color-error)}.decision.definitive.negative .decision-title{color:var(--color-error)}.decision.borderline.positive{border-color:var(--color-warning)}.decision.borderline.positive .decision-title{color:#059669}.decision.borderline.negative{border-color:var(--color-warning)}.decision.borderline.negative .decision-title{color:#dc2626}.decision-reason{font-size:var(--font-size-sm);color:var(--color-text-secondary);line-height:var(--line-height-relaxed)}.theme-toggle{position:fixed;top:var(--space-md);right:var(--space-md);background-color:var(--color-bg-card);border:2px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-sm);cursor:pointer;transition:all var(--transition-fast);font-size:var(--font-size-lg)}.theme-toggle:hover{transform:scale(1.1);box-shadow:var(--shadow-md)}.error-message{color:var(--color-error);font-size:var(--font-size-sm);margin-top:var(--space-xs);display:none}.error-message.show{display:block}.explanation{margin:var(--space-xl) 0;border:1px solid var(--color-border);border-radius:var(--radius-lg);background-color:var(--color-bg-secondary);transition:all var(--transition-normal)}.explanation[open]{background-color:var(--color-bg-primary)}.explanation-summary{padding:var(--space-md) var(--space-lg);font-weight:600;color:var(--color-text-primary);cursor:pointer;border-radius:var(--radius-lg);transition:all var(--transition-fast);list-style:none;display:flex;align-items:flex-start;gap:var(--space-sm)}.explanation-summary::-webkit-details-marker{display:none}.explanation-summary:before{content:"▶";transition:transform var(--transition-fast);color:var(--color-accent);flex-shrink:0;margin-top:2px}.explanation[open] .explanation-summary:before{transform:rotate(90deg)}.explanation-summary:hover{background-color:var(--color-bg-primary);color:var(--color-accent)}.explanation-content{padding:0 var(--space-lg) var(--space-lg) var(--space-lg);border-top:1px solid var(--color-border);margin-top:var(--space-sm)}.explanation-content h3{font-size:var(--font-size-base);font-weight:600;color:var(--color-text-primary);margin:var(--space-lg) 0 var(--space-sm) 0;display:flex;align-items:center;gap:var(--space-sm)}.explanation-content h3:first-child{margin-top:var(--space-md)}.explanation-content p{color:var(--color-text-secondary);line-height:var(--line-height-relaxed);margin-bottom:var(--space-md);font-size:var(--font-size-sm)}.explanation-content p:last-child{margin-bottom:0}.explanation-content h2{font-size:var(--font-size-lg);font-weight:700;color:var(--color-text-primary);margin:1rem 0 var(--space-lg) 0}.nested-details{margin-top:var(--space-xl);border:1px solid var(--color-border);border-radius:var(--radius-md);background-color:var(--color-bg-secondary)}.nested-summary{padding:var(--space-sm) var(--space-md);font-weight:600;color:var(--color-text-primary);cursor:pointer;border-radius:var(--radius-md);transition:all var(--transition-fast);list-style:none;display:flex;align-items:flex-start;gap:var(--space-sm);font-size:var(--font-size-sm)}.nested-summary::-webkit-details-marker{display:none}.nested-summary:before{content:"▶";transition:transform var(--transition-fast);color:var(--color-accent);flex-shrink:0;margin-top:1px;font-size:.8em}.nested-details[open] .nested-summary:before{transform:rotate(90deg)}.nested-summary:hover{background-color:var(--color-bg-primary);color:var(--color-accent)}.nested-content{padding:0 var(--space-md) var(--space-md) var(--space-md);border-top:1px solid var(--color-border)}.nested-content h4{font-size:var(--font-size-sm);font-weight:600;color:var(--color-text-primary);margin:var(--space-md) 0 var(--space-sm) 0}.nested-content h4:first-child{margin-top:var(--space-sm)}.nested-content p{color:var(--color-text-secondary);line-height:var(--line-height-normal);margin-bottom:var(--space-sm);font-size:var(--font-size-sm)}.nested-content code{background-color:var(--color-bg-secondary);color:var(--color-text-primary);padding:2px 6px;border-radius:var(--radius-sm);font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.85em;border:1px solid var(--color-border)}.loading{display:inline-block;width:1rem;height:1rem;border:2px solid transparent;border-top:2px solid currentColor;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 640px){.container{margin:var(--space-md);padding:var(--space-lg)}.form-row{grid-template-columns:1fr;gap:var(--space-sm)}.theme-toggle{top:var(--space-sm);right:var(--space-sm)}}@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.decision-container,.result-item{opacity:1!important;transform:none!important}}.input:focus-visible,.button:focus-visible,.theme-toggle:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}