:root{--ds-color-surface: #f6f7f9;--ds-color-surface-raised: #ffffff;--ds-color-surface-sunken: #eef0f3;--ds-color-text: #1c2028;--ds-color-text-muted: #5b6270;--ds-color-text-faint: #8a90a0;--ds-color-text-on-primary: #ffffff;--ds-color-border: #e2e4ea;--ds-color-border-strong: #c7cad4;--ds-color-primary: #3b5773;--ds-color-primary-strong: #2b4258;--ds-color-primary-tint: #e7edf3;--ds-color-success: #2f8558;--ds-color-success-tint: #e3f3ea;--ds-color-warning: #a06a1f;--ds-color-warning-tint: #faf0dd;--ds-color-error: #b3402f;--ds-color-error-tint: #f8e6e2;--ds-color-info: #4a5a8f;--ds-color-info-tint: #eaecf5;--ds-font-display: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--ds-font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--ds-text-display: 2.25rem;--ds-text-h1: 1.75rem;--ds-text-h2: 1.375rem;--ds-text-h3: 1.125rem;--ds-text-h4: 1rem;--ds-text-body: 1rem;--ds-text-small: .875rem;--ds-text-caption: .75rem;--ds-text-label: .8125rem;--ds-spacing-1: 4px;--ds-spacing-2: 8px;--ds-spacing-3: 12px;--ds-spacing-4: 16px;--ds-spacing-5: 24px;--ds-spacing-6: 32px;--ds-spacing-7: 40px;--ds-spacing-8: 48px;--ds-spacing-9: 64px;--ds-spacing-10: 80px;--ds-spacing-11: 96px;--ds-radius-xs: 4px;--ds-radius-sm: 8px;--ds-radius-md: 12px;--ds-radius-lg: 16px;--ds-radius-xl: 24px;--ds-radius-full: 999px;--ds-shadow-surface: none;--ds-shadow-raised: 0 1px 2px rgba(20, 24, 33, .05), 0 4px 12px rgba(20, 24, 33, .06);--ds-shadow-floating: 0 4px 10px rgba(20, 24, 33, .08), 0 12px 28px rgba(20, 24, 33, .12);--ds-shadow-overlay: 0 8px 24px rgba(20, 24, 33, .16);--ds-shadow-modal: 0 16px 48px rgba(20, 24, 33, .24);--ds-motion-fast: .1s;--ds-motion-normal: .15s;--ds-motion-slow: .25s;--ds-content-max-width: 1280px}@media(prefers-reduced-motion:reduce){[data-ds] *{animation:none!important;transition:none!important}}[data-ds]{font-family:var(--ds-font-body);color:var(--ds-color-text)}[data-ds] h1,[data-ds] h2,[data-ds] h3,[data-ds] h4{font-family:var(--ds-font-display);font-weight:700;color:var(--ds-color-text);letter-spacing:-.01em;margin:0 0 var(--ds-spacing-3)}[data-ds] h1{font-size:var(--ds-text-h1)}[data-ds] h2{font-size:var(--ds-text-h2)}[data-ds] h3{font-size:var(--ds-text-h3)}[data-ds] h4{font-size:var(--ds-text-h4)}[data-ds] p{font-size:var(--ds-text-body);line-height:1.6;color:var(--ds-color-text);margin:0 0 var(--ds-spacing-3)}.ds-container{max-width:var(--ds-content-max-width);margin:0 auto;padding:var(--ds-spacing-5) var(--ds-spacing-4)}.ds-card{background:var(--ds-color-surface-raised);border:1px solid var(--ds-color-border);border-radius:var(--ds-radius-lg);box-shadow:var(--ds-shadow-raised);padding:var(--ds-spacing-5)}.ds-card--sunken{background:var(--ds-color-surface-sunken);box-shadow:none;border:none}.ds-button{display:inline-flex;align-items:center;justify-content:center;gap:var(--ds-spacing-2);font-family:var(--ds-font-body);font-size:var(--ds-text-body);font-weight:600;padding:var(--ds-spacing-3) var(--ds-spacing-5);border-radius:var(--ds-radius-md);border:1px solid transparent;cursor:pointer;min-height:44px;transition:background var(--ds-motion-normal) ease,border-color var(--ds-motion-normal) ease,opacity var(--ds-motion-normal) ease}.ds-button:focus-visible{outline:2px solid var(--ds-color-primary);outline-offset:2px}.ds-button--primary{background:var(--ds-color-primary);color:var(--ds-color-text-on-primary)}.ds-button--primary:hover{background:var(--ds-color-primary-strong)}.ds-button--primary:disabled{opacity:.5;cursor:not-allowed}.ds-button--secondary{background:var(--ds-color-surface-raised);color:var(--ds-color-text);border-color:var(--ds-color-border-strong)}.ds-button--secondary:hover{background:var(--ds-color-surface-sunken)}.ds-button--ghost{background:transparent;color:var(--ds-color-primary);padding-left:var(--ds-spacing-3);padding-right:var(--ds-spacing-3)}.ds-button--ghost:hover{background:var(--ds-color-primary-tint)}.ds-textarea,.ds-text-field{width:100%;font-family:var(--ds-font-body);font-size:var(--ds-text-body);color:var(--ds-color-text);background:var(--ds-color-surface-raised);border:1px solid var(--ds-color-border-strong);border-radius:var(--ds-radius-md);padding:var(--ds-spacing-3) var(--ds-spacing-4);resize:vertical;min-height:120px;line-height:1.55}.ds-text-field{min-height:unset}.ds-textarea:focus,.ds-text-field:focus{outline:none;border-color:var(--ds-color-primary);box-shadow:0 0 0 3px var(--ds-color-primary-tint)}.ds-badge{display:inline-flex;align-items:center;gap:var(--ds-spacing-1);font-size:var(--ds-text-caption);font-weight:600;padding:var(--ds-spacing-1) var(--ds-spacing-3);border-radius:var(--ds-radius-full);white-space:nowrap}.ds-badge:before{content:"";width:6px;height:6px;border-radius:50%;flex:none}.ds-badge--verified{background:var(--ds-color-success-tint);color:var(--ds-color-success)}.ds-badge--verified:before{background:var(--ds-color-success)}.ds-badge--reliable{background:var(--ds-color-info-tint);color:var(--ds-color-info)}.ds-badge--reliable:before{background:var(--ds-color-info)}.ds-badge--uncertain{background:var(--ds-color-warning-tint);color:var(--ds-color-warning)}.ds-badge--uncertain:before{background:var(--ds-color-warning)}.ds-badge--unsupported{background:var(--ds-color-error-tint);color:var(--ds-color-error)}.ds-badge--unsupported:before{background:var(--ds-color-error)}.ds-badge--neutral{background:var(--ds-color-surface-sunken);color:var(--ds-color-text-muted)}.ds-badge--neutral:before{background:var(--ds-color-text-faint)}.ds-banner{display:flex;align-items:flex-start;gap:var(--ds-spacing-3);border-radius:var(--ds-radius-md);padding:var(--ds-spacing-4);font-size:var(--ds-text-small);line-height:1.55}.ds-banner--info{background:var(--ds-color-info-tint);color:var(--ds-color-info)}.ds-banner--warning{background:var(--ds-color-warning-tint);color:var(--ds-color-warning)}.ds-banner--error{background:var(--ds-color-error-tint);color:var(--ds-color-error)}.ds-banner--success{background:var(--ds-color-success-tint);color:var(--ds-color-success)}.ds-progress-track{width:100%;height:6px;border-radius:var(--ds-radius-full);background:var(--ds-color-surface-sunken);overflow:hidden}.ds-progress-fill{height:100%;background:var(--ds-color-primary);border-radius:var(--ds-radius-full);transition:width var(--ds-motion-slow) ease}.ds-skeleton{background:linear-gradient(90deg,var(--ds-color-surface-sunken) 25%,var(--ds-color-border) 37%,var(--ds-color-surface-sunken) 63%);background-size:400% 100%;animation:ds-shimmer 1.4s ease infinite;border-radius:var(--ds-radius-sm)}@keyframes ds-shimmer{0%{background-position:100% 50%}to{background-position:0 50%}}.ds-accordion-item{border:1px solid var(--ds-color-border);border-radius:var(--ds-radius-md);overflow:hidden}.ds-accordion-item+.ds-accordion-item{margin-top:var(--ds-spacing-3)}.ds-accordion-trigger{width:100%;display:flex;align-items:center;justify-content:space-between;background:var(--ds-color-surface-raised);border:none;padding:var(--ds-spacing-4);font-size:var(--ds-text-body);font-weight:600;color:var(--ds-color-text);cursor:pointer;text-align:left;min-height:44px}.ds-accordion-trigger:focus-visible{outline:2px solid var(--ds-color-primary);outline-offset:-2px}.ds-accordion-panel{padding:0 var(--ds-spacing-4) var(--ds-spacing-4);color:var(--ds-color-text-muted);font-size:var(--ds-text-small)}.ds-early-signal{display:flex;align-items:center;gap:var(--ds-spacing-3);background:var(--ds-color-info-tint);border:1px dashed var(--ds-color-info);border-radius:var(--ds-radius-lg);padding:var(--ds-spacing-4);font-size:var(--ds-text-small);color:var(--ds-color-info)}.ds-early-signal__dot{width:8px;height:8px;border-radius:50%;background:var(--ds-color-info);flex:none;animation:ds-pulse 1.6s ease-in-out infinite}@keyframes ds-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}.ds-empty-state{display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--ds-spacing-2);padding:var(--ds-spacing-8) var(--ds-spacing-4);color:var(--ds-color-text-muted)}:root{--surface: #f1f1f6;--surface-raised: #ffffff;--surface-sunken: #f4f4f8;--border: #e9e9f0;--border-strong: #d6d6e2;--header-bg: #15162a;--ink: #17182b;--ink-muted: #6b6b80;--ink-faint: #9797ab;--accent: #ff6b6b;--accent-strong: #ee5253;--accent-tint: #ffe9e6;--fact: #2fa360;--fact-tint: #e2f5ea;--assumption: #ffa94d;--assumption-tint: #fff1e0;--gap: #7c5cff;--gap-tint: #ece7ff;--error: #e74c3c;--error-tint: #fce3e0;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 40px;--space-8: 48px;--font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-display: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--shadow-raised: 0 1px 2px rgba(15, 15, 35, .06), 0 8px 24px rgba(15, 15, 35, .1);--shadow-floating: 0 12px 32px rgba(15, 15, 35, .35), 0 4px 12px rgba(15, 15, 35, .18);--motion-fast: .1s;--motion-normal: .18s;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--surface);background-image:radial-gradient(circle at 15% 0%,rgba(255,107,107,.1),transparent 30%),radial-gradient(circle at 85% 0%,rgba(124,92,255,.08),transparent 28%);background-repeat:no-repeat;color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3{font-family:var(--font-display);font-weight:700;color:var(--ink);margin:0 0 var(--space-3);letter-spacing:-.01em}h1{font-size:2rem;line-height:1.2}h2{font-size:1.4rem;line-height:1.3}h3{font-size:1.1rem;line-height:1.4}p{margin:0 0 var(--space-3);color:var(--ink-muted)}a{color:var(--accent)}button,input,textarea,select{font-family:inherit;font-size:inherit}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.eyebrow{font-family:var(--font-body);text-transform:uppercase;letter-spacing:.08em;font-size:.72rem;font-weight:700;color:var(--ink-faint)}.container{width:100%;max-width:720px;margin:0 auto;padding:0 var(--space-5)}.container-wide{width:100%;max-width:960px;margin:0 auto;padding:0 var(--space-5)}.card{position:relative;background:var(--surface-raised);border:1px solid transparent;border-radius:var(--radius-lg);box-shadow:var(--shadow-raised);padding:var(--space-6)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:12px 22px;border-radius:var(--radius-md);border:none;font-weight:600;font-size:.95rem;cursor:pointer;transition:background var(--motion-fast) ease,transform var(--motion-fast) ease,box-shadow var(--motion-fast) ease}.btn:active{transform:translateY(1px) scale(.99)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px #ff6b6b59}.btn-primary:hover:not(:disabled){background:var(--accent-strong)}.btn-secondary{background:var(--surface-sunken);color:var(--ink)}.btn-secondary:hover:not(:disabled){background:var(--border)}.btn-ghost{background:transparent;color:var(--ink-muted)}.btn-ghost:hover:not(:disabled){background:var(--surface-sunken)}.btn-block{width:100%}.field{display:flex;flex-direction:column;gap:var(--space-2);margin-bottom:var(--space-4)}.field label{font-family:var(--font-body);font-size:.8rem;font-weight:600;letter-spacing:.01em;color:var(--ink-muted)}.field input,.field textarea{padding:12px 14px;border-radius:var(--radius-sm);border:1.5px solid var(--border);background:var(--surface-sunken);color:var(--ink);resize:vertical;transition:border-color var(--motion-fast) ease,background var(--motion-fast) ease}.field input:focus,.field textarea:focus{border-color:var(--accent);background:var(--surface-raised)}.field-error{color:var(--error);font-size:.85rem}.tag{display:inline-flex;align-items:center;gap:5px;padding:4px 11px;border-radius:999px;border:none;font-family:var(--font-body);font-size:.74rem;font-weight:700;white-space:nowrap;background:var(--surface-sunken);color:var(--ink-muted)}.tag-fact{background:var(--fact-tint);color:var(--fact)}.tag-assumption{background:var(--assumption-tint);color:#a8620a}.tag-gap{background:var(--gap-tint);color:var(--gap)}.tag-neutral{background:var(--surface-sunken);color:var(--ink-muted)}.tag-error{background:var(--error-tint);color:var(--error)}.banner{border-radius:var(--radius-md);padding:var(--space-4);font-size:.92rem;border:none;background:var(--surface-sunken);color:var(--ink-muted)}.banner-error{background:var(--error-tint);color:var(--error)}.banner-success{background:var(--fact-tint);color:var(--fact)}.banner-info{background:var(--accent-tint);color:var(--accent-strong)}.pulse-dot{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--gap);flex:none;animation:pulse-dot 1.6s ease-in-out infinite}@keyframes pulse-dot{0%,to{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.7)}}.skeleton{background:linear-gradient(90deg,var(--surface-sunken) 25%,var(--border) 37%,var(--surface-sunken) 63%);background-size:400% 100%;animation:shimmer 1.4s ease infinite;border-radius:var(--radius-sm)}@keyframes shimmer{0%{background-position:100% 50%}to{background-position:0 50%}}@keyframes spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}