:root{color-scheme:dark light;--color-primary-50: #f0f9ff;--color-primary-100: #e0f2fe;--color-primary-500: #0ea5e9;--color-primary-600: #0284c7;--color-primary-700: #0369a1;--color-primary-900: #0c4a6e;--color-bg: #0f172a;--color-bg-gradient-end: #0c1222;--color-surface: #1e293b;--color-surface-elevated: #334155;--color-text: #f1f5f9;--color-text-secondary: #cbd5e1;--color-text-muted: #94a3b8;--color-accent: #0ea5e9;--color-accent-hover: #38bdf8;--color-accent-light: rgba(14, 165, 233, .12);--color-success: #10b981;--color-success-light: rgba(16, 185, 129, .12);--color-warning: #f59e0b;--color-warning-light: rgba(245, 158, 11, .12);--color-error: #ef4444;--color-error-light: rgba(239, 68, 68, .12);--color-border: #334155;--color-border-light: #1e293b;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--radius-sm: .375rem;--radius: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--shadow: 0 1px 2px 0 rgb(0 0 0 / .1);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .2), 0 2px 4px -2px rgb(0 0 0 / .2);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .25), 0 4px 6px -4px rgb(0 0 0 / .2);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .3), 0 8px 10px -6px rgb(0 0 0 / .2);--color-code-bg: #0f172a;--max-width: 640px;--transition: .2s cubic-bezier(.4, 0, .2, 1);--touch-min: 44px;--touch-md: 48px}@media(prefers-color-scheme:light){:root:not([data-theme=dark]){color-scheme:light dark;--color-bg: #f8fafc;--color-bg-gradient-end: #f1f5f9;--color-surface: #ffffff;--color-surface-elevated: #f1f5f9;--color-text: #0f172a;--color-text-secondary: #475569;--color-text-muted: #64748b;--color-accent: #0284c7;--color-accent-hover: #0369a1;--color-accent-light: rgba(2, 132, 199, .08);--color-success: #059669;--color-success-light: rgba(5, 150, 105, .08);--color-warning: #d97706;--color-warning-light: rgba(217, 119, 6, .08);--color-error: #dc2626;--color-error-light: rgba(220, 38, 38, .08);--color-border: #e2e8f0;--color-border-light: #f1f5f9;--color-code-bg: #1e293b;--shadow: 0 1px 3px 0 rgb(0 0 0 / .06), 0 1px 2px -1px rgb(0 0 0 / .06);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .08), 0 2px 4px -2px rgb(0 0 0 / .06);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .08), 0 4px 6px -4px rgb(0 0 0 / .04);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .08), 0 8px 10px -6px rgb(0 0 0 / .04)}}[data-theme=light]{color-scheme:light dark;--color-bg: #f8fafc;--color-bg-gradient-end: #f1f5f9;--color-surface: #ffffff;--color-surface-elevated: #f1f5f9;--color-text: #0f172a;--color-text-secondary: #475569;--color-text-muted: #64748b;--color-accent: #0284c7;--color-accent-hover: #0369a1;--color-accent-light: rgba(2, 132, 199, .08);--color-success: #059669;--color-success-light: rgba(5, 150, 105, .08);--color-warning: #d97706;--color-warning-light: rgba(217, 119, 6, .08);--color-error: #dc2626;--color-error-light: rgba(220, 38, 38, .08);--color-border: #e2e8f0;--color-border-light: #f1f5f9;--color-code-bg: #1e293b;--shadow: 0 1px 3px 0 rgb(0 0 0 / .06), 0 1px 2px -1px rgb(0 0 0 / .06);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .08), 0 2px 4px -2px rgb(0 0 0 / .06);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .08), 0 4px 6px -4px rgb(0 0 0 / .04);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .08), 0 8px 10px -6px rgb(0 0 0 / .04)}[data-theme=dark]{color-scheme:dark light;--color-bg: #0f172a;--color-bg-gradient-end: #0c1222;--color-surface: #1e293b;--color-surface-elevated: #334155;--color-text: #f1f5f9;--color-text-secondary: #cbd5e1;--color-text-muted: #94a3b8;--color-accent: #0ea5e9;--color-accent-hover: #38bdf8;--color-accent-light: rgba(14, 165, 233, .12);--color-success: #10b981;--color-success-light: rgba(16, 185, 129, .12);--color-warning: #f59e0b;--color-warning-light: rgba(245, 158, 11, .12);--color-error: #ef4444;--color-error-light: rgba(239, 68, 68, .12);--color-border: #334155;--color-border-light: #1e293b;--color-code-bg: #0f172a;--shadow: 0 1px 2px 0 rgb(0 0 0 / .1);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .2), 0 2px 4px -2px rgb(0 0 0 / .2);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .25), 0 4px 6px -4px rgb(0 0 0 / .2);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .3), 0 8px 10px -6px rgb(0 0 0 / .2)}@media(prefers-contrast:high){:root{--color-border: #64748b;--color-text-muted: #cbd5e1}}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);background-image:linear-gradient(180deg,var(--color-surface) 0%,var(--color-bg) 40%);line-height:1.6;min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:var(--space-8) var(--space-4);padding-bottom:calc(var(--space-8) + env(safe-area-inset-bottom,0px));padding-left:calc(var(--space-4) + env(safe-area-inset-left,0px));padding-right:calc(var(--space-4) + env(safe-area-inset-right,0px));-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:rgba(14,165,233,.12)}header{text-align:center;margin-bottom:var(--space-10);position:relative;padding-bottom:var(--space-4);animation:fadeInDown .6s cubic-bezier(.4,0,.2,1)}header:after{content:"";display:block;position:absolute;bottom:0;left:50%;transform:translate(-50%);width:min(200px,60vw);height:3px;border-radius:2px;background:linear-gradient(90deg,var(--color-accent),var(--color-primary-500),var(--color-accent));background-size:200% auto;opacity:.8}header h1{font-size:2.25rem;font-weight:800;letter-spacing:-.03em;line-height:1.1;background:linear-gradient(135deg,var(--color-accent),var(--color-text));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}header h1 a{color:inherit;text-decoration:none;-webkit-text-fill-color:inherit}.tagline{font-size:1rem;color:var(--color-text-muted);margin-top:var(--space-2);font-weight:400;max-width:40ch;margin-left:auto;margin-right:auto;line-height:1.5}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}main{width:100%;max-width:var(--max-width);flex:1}main.proof-page{max-width:min(720px,100%)}.input-tabs{display:flex;gap:2px;margin-bottom:var(--space-4);background:var(--color-border-light);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:3px}.tab{flex:1;min-height:var(--touch-min);padding:var(--space-2) var(--space-4);border:none;background:transparent;font-family:var(--font-sans);font-size:.875rem;font-weight:500;color:var(--color-text-muted);cursor:pointer;border-radius:calc(var(--radius-lg) - 3px);transition:all var(--transition)}.tab:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.tab--active{background:var(--color-surface);color:var(--color-text);box-shadow:var(--shadow-md);font-weight:600}.drop-zone{border:2px dashed var(--color-border);border-radius:var(--radius-2xl);padding:var(--space-12) var(--space-6);text-align:center;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);background:var(--color-surface);position:relative;overflow:hidden}.drop-zone:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse at 50% 30%,var(--color-accent-light) 0%,transparent 60%);opacity:0;transition:opacity .3s ease;pointer-events:none}.drop-zone:hover:before,.drop-zone:focus-visible:before{opacity:1}.drop-zone:hover,.drop-zone:focus-visible{border-color:var(--color-accent);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.drop-zone--active{border-color:var(--color-accent);background:var(--color-accent-light);border-style:solid;transform:translateY(-4px);box-shadow:var(--shadow-xl)}.drop-zone__icon{display:block;margin:0 auto 1rem;color:var(--color-accent);opacity:.7}.drop-zone__label{font-size:1.0625rem;font-weight:600;color:var(--color-text);margin-bottom:.375rem}.drop-zone__hint{font-size:.8125rem;color:var(--color-text-muted)}.text-input{width:100%;padding:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-lg);font-family:var(--font-sans);font-size:1rem;line-height:1.6;resize:vertical;background:var(--color-surface);color:var(--color-text);transition:border-color var(--transition),box-shadow var(--transition)}.text-input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px var(--color-accent-light)}.text-input::placeholder{color:var(--color-text-muted)}.text-input__footer{display:flex;justify-content:space-between;align-items:center;margin-top:.5rem}.text-input__count{font-size:.75rem;color:var(--color-text-muted)}.hash-input{font-family:var(--font-mono, ui-monospace, SFMono-Regular, Menlo, monospace);font-size:.875rem;letter-spacing:.02em;resize:none;word-break:break-all}.hash-input__hint{margin:0 0 var(--space-3, .75rem) 0;font-size:.875rem;color:var(--color-text-muted)}.privacy-banner{display:flex;align-items:center;gap:var(--space-2);margin-top:var(--space-4);padding:var(--space-3) var(--space-4);background:var(--color-success-light);border:1px solid var(--color-success);border-radius:var(--radius-lg);font-size:.8125rem;color:var(--color-success);font-weight:500}.privacy-banner svg{flex-shrink:0}.info-banner{display:flex;flex-wrap:wrap;align-items:flex-start;gap:var(--space-3);margin-top:var(--space-4);padding:var(--space-4);background:var(--color-warning-light, #fffbeb);border:1px solid var(--color-warning, #f59e0b);border-radius:var(--radius-lg);color:var(--color-text)}.info-banner svg{flex-shrink:0;color:var(--color-warning, #f59e0b);margin-top:2px}.info-banner__text{flex:1 1 240px;margin:0;font-size:.875rem;line-height:1.45}.info-banner__actions{display:flex;gap:var(--space-2);flex-wrap:wrap;width:100%}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);min-height:var(--touch-md);padding:var(--space-3) var(--space-6);border:1px solid transparent;border-radius:var(--radius-lg);font-family:var(--font-sans);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition);text-decoration:none;line-height:1.4;contain:layout}.btn:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.btn--primary{background:linear-gradient(135deg,var(--color-accent) 0%,var(--color-primary-600) 100%);color:#fff;box-shadow:var(--shadow-md)}.btn--primary:hover:not(:disabled){background:linear-gradient(135deg,var(--color-accent-hover) 0%,var(--color-accent) 100%);transform:translateY(-1px);box-shadow:var(--shadow-lg)}.btn--primary:active:not(:disabled){transform:scale(.97);box-shadow:var(--shadow)}.btn--secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border)}.btn--secondary:hover:not(:disabled){background:var(--color-surface-elevated);border-color:var(--color-accent);transform:translateY(-1px);box-shadow:var(--shadow)}.btn--secondary:active:not(:disabled){transform:scale(.97)}.btn--success{background:var(--color-success);color:#fff}.btn--error{background:var(--color-error);color:#fff}.btn--lg{padding:var(--space-3) var(--space-6);font-size:.9375rem;font-weight:600;width:100%;min-height:52px}.btn--sm{padding:var(--space-2) var(--space-3);font-size:.8125rem;min-height:var(--touch-min)}.btn--new{margin-top:var(--space-4);width:100%}.progress-container{text-align:center;padding:2rem 0}.progress-text{font-size:.9375rem;color:var(--color-text-secondary);margin-bottom:1rem}.progress-bar-track{width:100%;height:4px;background:var(--color-border-light);border-radius:2px;overflow:hidden;margin-bottom:1rem}.progress-bar{height:100%;background:var(--color-accent);border-radius:2px;transition:width .3s ease;width:0}.result-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-6);box-shadow:var(--shadow-lg);position:relative;overflow:hidden;animation:cardEnter .4s cubic-bezier(.4,0,.2,1)}.result-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--color-success),var(--color-accent))}.result-card.result-card--existing:before{background:linear-gradient(90deg,var(--color-accent),var(--color-primary-600))}@keyframes cardEnter{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.already-attested-banner{display:flex;align-items:flex-start;gap:var(--space-3);padding:var(--space-4) var(--space-5);margin-bottom:var(--space-5);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);color:var(--color-text-secondary);font-size:.875rem;line-height:1.5}.already-attested-banner svg{flex-shrink:0;margin-top:.1rem;color:var(--color-accent)}.already-attested-banner__text{margin:0}.result-card__header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem}.result-card__header h2{font-size:1.25rem;font-weight:600}.result-card__badge{font-size:.6875rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;padding:.25rem .75rem;background:var(--color-success-light);color:var(--color-success);border:1px solid currentColor;border-radius:var(--radius-full)}.result-field{margin-bottom:.875rem}.result-field label{display:block;font-size:.75rem;font-weight:500;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:.25rem}.result-field__value{font-size:.875rem;color:var(--color-text);word-break:break-all}.mono{font-family:var(--font-mono);font-size:.8125rem}.result-actions{display:flex;flex-direction:column;gap:.5rem;margin-top:1.25rem}.result-toggles{display:flex;flex-direction:column;gap:.5rem;margin-top:1rem;padding-top:1rem;border-top:1px solid var(--color-border-light)}.toggle-label{display:flex;align-items:center;gap:.5rem;font-size:.8125rem;color:var(--color-text-secondary);cursor:pointer}.toggle-label input[type=checkbox]{accent-color:var(--color-accent)}.timeline{font-size:.8125rem;padding:.5rem .75rem;border-radius:var(--radius);margin-bottom:.75rem}.timeline--ok{background:var(--color-success-light);color:var(--color-success)}.timeline--warn{background:var(--color-warning-light);color:var(--color-warning)}.metadata-panel{margin-top:1rem;border-top:1px solid var(--color-border-light)}.metadata-panel__toggle{display:flex;justify-content:space-between;align-items:center;width:100%;padding:.75rem 0;background:none;border:none;font-family:var(--font-sans);font-size:.875rem;font-weight:500;color:var(--color-text);cursor:pointer}.metadata-panel__toggle svg{transition:transform var(--transition)}.metadata-panel__toggle[aria-expanded=true] svg{transform:rotate(180deg)}.metadata-panel__section-title{font-size:.8125rem;font-weight:600;color:var(--color-text-muted);margin:.75rem 0 .35rem;padding:0}.metadata-panel__section-title:first-child{margin-top:0}.metadata-list{display:grid;grid-template-columns:auto 1fr;gap:.25rem 1rem;font-size:.8125rem;padding-bottom:.75rem}.metadata-list dt{color:var(--color-text-muted);font-weight:500;display:inline-flex;align-items:center;gap:.25rem}.metadata-rationale{position:relative;display:inline-flex}.metadata-rationale__btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--color-border);background:transparent;color:var(--color-text-muted);width:1.1rem;height:1.1rem;border-radius:50%;font-size:.7rem;font-weight:600;line-height:1;padding:0;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:color .15s,border-color .15s,background-color .15s}.metadata-rationale__btn:hover,.metadata-rationale__btn:focus-visible{color:var(--color-accent, #3b82f6);border-color:var(--color-accent, #3b82f6);background-color:color-mix(in srgb,var(--color-accent, #3b82f6) 8%,transparent);outline:none}.metadata-rationale__popover{position:absolute;top:calc(100% + .4rem);left:0;z-index:50;min-width:240px;max-width:min(360px,calc(100vw - 2rem));padding:.75rem .875rem;background:var(--color-surface, #fff);color:var(--color-text);border:1px solid var(--color-border);border-radius:6px;box-shadow:0 6px 18px #0000001f;font-size:.8125rem;font-weight:400;line-height:1.45;white-space:normal;text-align:left}.metadata-rationale__popover[hidden]{display:none}.metadata-rationale__popover strong{display:block;font-size:.8125rem;font-weight:600;margin:0 0 .35rem;color:var(--color-text)}.metadata-rationale__popover p{margin:0 0 .5rem;color:var(--color-text)}.metadata-rationale__popover a{font-size:.75rem;color:var(--color-accent, #3b82f6);text-decoration:underline}@media(prefers-color-scheme:dark){.metadata-rationale__popover{box-shadow:0 6px 18px #00000080}}.metadata-list dd{color:var(--color-text);word-break:break-all}.metadata-list__value-mono{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.75rem}.metadata-panel__findings{margin-top:1rem;padding-top:.75rem;border-top:1px solid var(--color-border)}.findings-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}.finding{display:grid;grid-template-columns:auto 1fr;gap:.5rem .75rem;align-items:start;padding:.5rem .625rem;border-radius:6px;border:1px solid var(--color-border);background:var(--color-border-light)}.finding--danger{border-color:#ef4444;background:#ef444414}.finding--warning{border-color:var(--color-warning);background:var(--color-warning-light)}.finding--info{border-color:var(--color-border);background:var(--color-border-light)}.finding__badge{display:inline-flex;align-items:center;justify-content:center;min-width:3.25rem;padding:.125rem .375rem;border-radius:4px;font-size:.6875rem;font-weight:700;letter-spacing:.02em;text-transform:uppercase;line-height:1.2}.finding__badge--danger{background:#ef4444;color:#fff}.finding__badge--warning{background:var(--color-warning);color:#0f172a}.finding__badge--info{background:var(--color-border);color:var(--color-text)}.finding__body{display:flex;flex-direction:column;gap:.125rem;min-width:0}.finding__title{font-size:.8125rem;font-weight:600;color:var(--color-text);line-height:1.35}.finding__description{font-size:.75rem;color:var(--color-text-secondary);line-height:1.45}.finding__code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.625rem;color:var(--color-text-muted);margin-top:.125rem;letter-spacing:.04em}.finding--empty{margin:.25rem 0 .5rem;font-size:.8125rem;color:var(--color-text-secondary);font-style:italic}.findings-catalog{margin:.5rem 0 0;font-size:.6875rem;color:var(--color-text-muted)}.spoofing-banner{display:grid;grid-template-columns:auto 1fr;gap:.75rem;align-items:start;padding:.75rem 1rem;margin:0 0 .75rem;border-radius:8px;border:1px solid #ef4444;border-left-width:4px;background:#ef444414;color:var(--color-text)}.spoofing-banner__icon{font-size:1.5rem;line-height:1;color:#ef4444;flex-shrink:0}.spoofing-banner__body{display:flex;flex-direction:column;gap:.375rem;min-width:0}.spoofing-banner__title{font-size:.9375rem;font-weight:700;color:#b91c1c;line-height:1.3}.spoofing-banner__description{font-size:.8125rem;line-height:1.45;color:var(--color-text)}.spoofing-banner__claimed{display:flex;flex-wrap:wrap;gap:.375rem;align-items:baseline;font-size:.75rem;margin-top:.125rem}.spoofing-banner__claimed-label{font-weight:600;color:var(--color-text-secondary)}.spoofing-banner__claimed-value{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.75rem;color:var(--color-text);background:var(--color-border-light);padding:.0625rem .375rem;border-radius:3px;word-break:break-all}.spoofing-banner__action{font-size:.75rem;font-style:italic;color:var(--color-text-secondary);line-height:1.4}@media(prefers-color-scheme:dark){.spoofing-banner{background:#ef44442e}.spoofing-banner__title{color:#fca5a5}}.ecdsa-result{padding:.5rem .75rem;border-radius:var(--radius);font-size:.8125rem;margin-bottom:.75rem}.ecdsa--valid{background:var(--color-success-light);color:var(--color-success)}.ecdsa--invalid{background:var(--color-error-light);color:var(--color-error)}.verify-found,.verify-not-found{padding:.5rem 0}.verify-found__title{font-size:1.25rem;font-weight:600;color:var(--color-success);margin-bottom:1rem}.verify-not-found__title{font-size:1.25rem;font-weight:600;color:var(--color-text-secondary);margin-bottom:.5rem}.verify-found__actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:1rem}.verifying-msg{text-align:center;color:var(--color-text-secondary);padding:2rem 0}.proof-shell__intro{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);padding:var(--space-5) var(--space-5);margin-bottom:var(--space-6);animation:cardEnter .3s cubic-bezier(.4,0,.2,1)}.proof-shell__intro h2{font-size:1.2rem;font-weight:600;letter-spacing:-.02em;margin:0 0 .5rem;color:var(--color-text)}.proof-shell__intro p{margin:0;font-size:.9375rem;color:var(--color-text-secondary);line-height:1.55}.proof-shell__badge{display:inline-block;margin-bottom:.65rem;padding:.2rem .55rem;font-size:.6875rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;border-radius:4px;background:var(--color-accent-light);color:var(--color-accent-hover)}.proof-skeleton{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-5);box-shadow:var(--shadow-md)}.proof-skeleton__row{height:.85rem;border-radius:4px;margin-bottom:.75rem;background:linear-gradient(90deg,var(--color-border-light) 0%,var(--color-border) 50%,var(--color-border-light) 100%);background-size:200% 100%;animation:proof-skel-shimmer 1.1s ease-in-out infinite}.proof-skeleton__row:last-child{margin-bottom:0;width:55%}@keyframes proof-skel-shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}@media(prefers-reduced-motion:reduce){.proof-skeleton__row{animation:none;background:var(--color-border-light)}}.proof-error-card{background:var(--color-surface);border:1px solid var(--color-border);border-left:4px solid var(--color-error);border-radius:var(--radius-xl);padding:var(--space-6);box-shadow:var(--shadow-lg);animation:cardEnter .3s cubic-bezier(.4,0,.2,1)}.proof-error-card__title{font-weight:600;font-size:1rem;color:var(--color-error);margin:0 0 .5rem}.proof-error-card__body{margin:0 0 1.25rem;font-size:.9375rem;color:var(--color-text-secondary);line-height:1.55}.proof-error-card .btn{width:100%}.proof-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-6);box-shadow:var(--shadow-lg);animation:cardEnter .4s cubic-bezier(.4,0,.2,1)}.proof-card__header{margin-bottom:1.25rem}.proof-card__header h2{font-size:1.25rem;font-weight:600;letter-spacing:-.02em}.proof-card__id{font-size:.75rem;color:var(--color-text-muted);margin-top:.25rem;word-break:break-all}.proof-timeline{display:flex;align-items:flex-start;margin:.75rem 0 1rem}.proof-timeline__step{display:flex;flex-direction:column;align-items:center;text-align:center;flex-shrink:0;min-width:0}.proof-timeline__connector{flex:1;height:2px;background:var(--color-border);margin-top:13px;min-width:12px;transition:background var(--transition)}.proof-timeline__connector--complete{background:var(--color-accent)}.proof-timeline__connector--t1{background:var(--color-warning)}.proof-timeline__connector--t2{background:var(--color-success)}.proof-timeline__node{width:32px;height:32px;border-radius:var(--radius-full);border:2px solid var(--color-border);background:var(--color-surface);display:flex;align-items:center;justify-content:center;font-size:.7rem;font-weight:700;color:var(--color-text-muted);position:relative;z-index:1;transition:all .3s cubic-bezier(.4,0,.2,1)}.proof-timeline__step--complete .proof-timeline__node{border-color:var(--color-accent);background:var(--color-accent);color:#fff}.proof-timeline__step--t1.proof-timeline__step--complete .proof-timeline__node{border-color:var(--color-warning);background:var(--color-warning)}.proof-timeline__step--t2.proof-timeline__step--complete .proof-timeline__node{border-color:var(--color-success);background:var(--color-success)}.proof-timeline__node--pending{animation:pulse-ring 2s ease-in-out infinite}@keyframes pulse-ring{0%,to{box-shadow:0 0 0 0 transparent}50%{box-shadow:0 0 0 4px var(--color-border)}}.proof-timeline__label{margin-top:.3rem;font-size:.6875rem;font-weight:600;color:var(--color-text-muted);white-space:nowrap}.proof-timeline__step--complete .proof-timeline__label{color:var(--color-text)}.proof-timeline__desc{font-size:.625rem;color:var(--color-text-muted);margin-top:.1rem;max-width:80px;line-height:1.3}.info-btn{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;border:1px solid var(--color-border);background:var(--color-surface);font-size:.625rem;font-weight:700;font-style:italic;font-family:Georgia,Times New Roman,serif;color:var(--color-text-muted);cursor:pointer;padding:0;margin-top:.25rem;position:relative;transition:all var(--transition)}.info-btn:hover,.info-btn:focus-visible{border-color:var(--color-accent);color:var(--color-accent);outline:none}.info-tooltip{position:absolute;top:calc(100% + 6px);left:50%;transform:translate(-50%);background:var(--color-text);color:var(--color-bg);font-size:.6875rem;font-weight:400;font-style:normal;font-family:var(--font-sans);padding:.5rem .75rem;border-radius:var(--radius);width:max-content;max-width:220px;line-height:1.4;z-index:20;pointer-events:none;box-shadow:var(--shadow-md)}.info-tooltip:before{content:"";position:absolute;bottom:100%;left:50%;transform:translate(-50%);border:5px solid transparent;border-bottom-color:var(--color-text)}@media(max-width:480px){.proof-timeline__desc{display:none}.info-tooltip{max-width:180px;font-size:.625rem}}.proof-tiers{position:relative;padding-left:2rem}.proof-tiers:before{content:"";position:absolute;left:13px;top:14px;bottom:14px;width:2px;background:var(--color-border)}.proof-tier{border:1px solid var(--color-border);border-radius:var(--radius);padding:.875rem 1rem;margin-bottom:.75rem;background:var(--color-surface);position:relative}.proof-tier:before{content:"";position:absolute;left:-2rem;top:14px;width:12px;height:12px;border-radius:50%;border:2px solid var(--color-border);background:var(--color-surface);transform:translate(7px);z-index:1}.proof-tier--complete:before{border-color:var(--color-accent);background:var(--color-accent)}.proof-tier--t1.proof-tier--complete:before{border-color:var(--color-warning);background:var(--color-warning)}.proof-tier--t2.proof-tier--complete:before{border-color:var(--color-success);background:var(--color-success)}.proof-tier--pending:before{animation:pulse-ring 2s ease-in-out infinite}.proof-tier__head{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.proof-tier__indicator{font-size:1rem;flex-shrink:0}.proof-tier__title{flex:1;font-size:.875rem;font-weight:500;min-width:0}.proof-tier__status{font-size:.75rem;color:var(--color-text-muted);flex-shrink:0}.proof-tier__info-row{display:flex;align-items:center;gap:.5rem;margin-top:.35rem}.proof-tier__info-text{font-size:.75rem;color:var(--color-text-muted);line-height:1.4}.proof-tier__toggle{display:block;margin-top:.5rem;min-height:auto;padding:.35rem 0;background:none;border:none;font-family:var(--font-sans);font-size:.75rem;color:var(--color-accent);cursor:pointer}.proof-tier__toggle:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:2px}.proof-tier__details{margin-top:.75rem;padding-top:.75rem;border-top:1px solid var(--color-border-light)}.proof-card>.btn{margin-top:1rem;width:100%}.cta-banner{margin-top:var(--space-6);padding:var(--space-4) var(--space-5);background:var(--color-accent-light);border:1px solid var(--color-accent);border-radius:var(--radius-xl);font-size:.875rem;color:var(--color-text);text-align:center;line-height:1.5}.cta-banner a{color:var(--color-accent-hover);font-weight:600;text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:2px}.showcase-panel{margin-top:var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius-xl);background:var(--color-surface);overflow:hidden;box-shadow:var(--shadow)}.showcase-panel__toggle{display:flex;justify-content:space-between;align-items:center;width:100%;padding:.875rem 1rem;background:none;border:none;font-family:var(--font-sans);font-size:.875rem;font-weight:500;color:var(--color-text);cursor:pointer}.showcase-panel__toggle svg{transition:transform var(--transition);flex-shrink:0}.showcase-panel__toggle[aria-expanded=true] svg{transform:rotate(180deg)}.showcase-panel__subtitle{font-size:.8125rem;color:var(--color-text-muted);padding:0 1rem .5rem;margin:0}.showcase-panel__content{padding:0 1rem 1rem}.showcase-tabs{display:flex;gap:4px;margin-bottom:.75rem;background:var(--color-border-light);border-radius:calc(var(--radius) - 2px);padding:3px}.showcase-tab{flex:1;min-height:var(--touch-min);padding:.375rem .75rem;border:none;background:transparent;font-family:var(--font-sans);font-size:.75rem;font-weight:500;color:var(--color-text-secondary);cursor:pointer;border-radius:calc(var(--radius) - 4px);transition:all var(--transition)}.showcase-tab:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.showcase-tab--active{background:var(--color-surface);color:var(--color-text);box-shadow:var(--shadow)}.showcase-code{background:var(--color-code-bg);color:#e2e8f0;font-family:var(--font-mono);font-size:.75rem;line-height:1.6;padding:1rem;border-radius:var(--radius);overflow-x:auto;white-space:pre;margin:0 0 .75rem;-webkit-overflow-scrolling:touch}.showcase-link{display:inline-flex;margin-top:.25rem}.proof-actions{display:flex;flex-direction:column;gap:.5rem;margin-top:1.25rem}.error-display{padding:var(--space-3) var(--space-4);background:var(--color-error-light);color:var(--color-error);border:1px solid var(--color-error);border-radius:var(--radius-lg);font-size:.875rem;font-weight:500;margin-top:var(--space-4)}.loading-msg{text-align:center;color:var(--color-text-secondary);padding:2rem 0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}a{color:var(--color-accent)}a:hover{color:var(--color-accent-hover)}[hidden]{display:none!important}.hero-note,.hero-summary,.site-note,.prose{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-md)}.hero-note,.hero-summary,.hero-usecases,.site-note{padding:var(--space-4) var(--space-5);margin-bottom:var(--space-5)}.hero-usecases{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-md)}.hero-usecases__title{font-size:.875rem;font-weight:600;color:var(--color-text);margin-bottom:.625rem}.hero-usecases__grid{display:flex;flex-wrap:wrap;gap:.375rem;list-style:none;padding:0;margin:0}.hero-usecases__grid li{font-size:.75rem;padding:.25rem .625rem;background:var(--color-border-light);border-radius:999px;color:var(--color-text-secondary);white-space:nowrap}.prose{padding:1.5rem}.hero-note strong,.hero-summary strong,.site-note strong,.prose strong{color:var(--color-text)}.prose h2,.prose h3{line-height:1.25}.prose h2{margin-top:1.5rem;font-size:1.35rem}.prose h3{margin-top:1rem;font-size:1.05rem}.prose p+p,.prose p+ul,.prose ul+p,.prose h2+p,.prose h3+p,.site-note p+p,.hero-summary p+p{margin-top:.75rem}.prose ul{padding-left:1.25rem}.prose li+li{margin-top:.35rem}.prose code{font-family:var(--font-mono);font-size:.9em;background:var(--color-border-light);padding:.1em .35em;border-radius:4px}.muted{color:var(--color-text-secondary)}.dev-cta{margin-top:2rem;padding:1.25rem;background:var(--color-surface);border:1px solid var(--color-accent);border-left:4px solid var(--color-accent);border-radius:var(--radius-lg);font-size:.875rem;line-height:1.55}.dev-cta strong{display:block;margin-bottom:.35rem;color:var(--color-accent-hover)}.dev-cta a{font-weight:600}.how-page{width:100%;max-width:42rem}.how-page__intro{margin-bottom:1.5rem}.how-page__first-heading{margin-top:0}.how-steps{list-style:none;padding:0;margin:0 0 2rem;display:flex;flex-direction:column;gap:0}.how-step{display:flex;gap:1rem;align-items:flex-start;padding:1.25rem 0;border-bottom:1px solid var(--color-border)}.how-step:first-child{padding-top:0}.how-step:last-child{border-bottom:none}.how-step__number{flex-shrink:0;width:2.25rem;height:2.25rem;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--color-accent),var(--color-primary-600));color:#fff;font-size:.875rem;font-weight:700;display:flex;align-items:center;justify-content:center;line-height:1;box-shadow:var(--shadow-md)}.how-step__title{font-size:1.05rem;margin:0 0 .35rem;color:var(--color-text)}.how-step__body p{margin:0;font-size:.9375rem;color:var(--color-text-secondary)}.flow-diagram{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-md);padding:var(--space-5) var(--space-4);margin-bottom:var(--space-8)}.flow-diagram h2{font-size:1.15rem;margin:0 0 .75rem}.flow-diagram__viz{overflow-x:auto;margin-bottom:.5rem}.flow-diagram__svg{display:block;width:100%;min-width:280px;height:auto;max-height:140px}.flow-diagram__note{margin:0;font-size:.8125rem}.proof-levels-section{margin-bottom:2rem}.proof-levels-section h2{font-size:1.25rem;margin:0 0 .5rem}.proof-levels-section__lead{margin:0 0 1.25rem;font-size:.9375rem;color:var(--color-text-secondary)}.proof-levels-section .proof-levels{display:flex;flex-direction:column;gap:1.25rem}.proof-levels-section .proof-level{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--space-4) var(--space-5);box-shadow:var(--shadow-md);transition:transform var(--transition),box-shadow var(--transition)}.proof-levels-section .proof-level:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.proof-levels-section .proof-level__header{display:flex;flex-wrap:wrap;align-items:baseline;gap:.5rem .75rem;margin-bottom:.5rem}.proof-levels-section .proof-level__badge{font-family:var(--font-mono);font-size:.75rem;font-weight:700;padding:.15rem .45rem;border-radius:4px;background:var(--color-accent-light);color:var(--color-accent-hover)}.proof-levels-section .proof-level--t1 .proof-level__badge{background:var(--color-warning-light);color:var(--color-warning)}.proof-levels-section .proof-level--t2 .proof-level__badge{background:var(--color-success-light);color:var(--color-success)}.proof-levels-section .proof-level__name{font-weight:600;font-size:.9375rem}.proof-levels-section .proof-level__timing{font-size:.8125rem;color:var(--color-text-muted);margin-left:auto}.proof-levels-section .proof-level__bar{height:6px;background:var(--color-border-light);border-radius:3px;overflow:hidden;margin-bottom:.65rem}.proof-levels-section .proof-level__bar-inner{display:block;height:100%;border-radius:3px;transform:scaleX(0);transform-origin:left center;transition:transform .65s cubic-bezier(.22,1,.36,1)}.proof-levels-section .proof-level--t0 .proof-level__bar-inner{background:var(--color-accent)}.proof-levels-section .proof-level--t1 .proof-level__bar-inner{background:var(--color-warning)}.proof-levels-section .proof-level--t2 .proof-level__bar-inner{background:var(--color-success)}.proof-levels-section .proof-levels.proof-levels--visible .proof-level--t0 .proof-level__bar-inner{transform:scaleX(1)}.proof-levels-section .proof-levels.proof-levels--visible .proof-level--t1 .proof-level__bar-inner{transition-delay:.12s;transform:scaleX(1)}.proof-levels-section .proof-levels.proof-levels--visible .proof-level--t2 .proof-level__bar-inner{transition-delay:.24s;transform:scaleX(1)}@media(prefers-reduced-motion:reduce){.proof-levels-section .proof-level__bar-inner{transform:scaleX(1);transition:none}}.proof-levels-section .proof-level__desc{margin:0;font-size:.875rem;color:var(--color-text-secondary);line-height:1.5}.how-page__outro{margin-top:.5rem}.how-page__outro h2{margin-top:0}.glossary{display:grid;gap:.75rem 0;margin:.5rem 0 1.5rem}.glossary dt{font-weight:600;color:var(--color-text);font-size:.95rem;margin-top:.5rem;scroll-margin-top:1rem}.glossary dt a{color:inherit;text-decoration:none}.glossary dt a:hover,.glossary dt a:focus-visible{text-decoration:underline}.glossary dt code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.78rem;color:var(--color-text-muted);background:transparent;padding:0 .25rem;margin-left:.4rem;border:1px solid var(--color-border);border-radius:3px}.glossary dd{margin:.25rem 0 0;color:var(--color-text);font-size:.9rem;line-height:1.55}.glossary dt:target{background:color-mix(in srgb,var(--color-accent, #3b82f6) 10%,transparent);border-radius:4px;padding:.15rem .35rem}footer{margin-top:var(--space-12);padding:var(--space-8) 0 env(safe-area-inset-bottom,0px);text-align:center;font-size:.8125rem;color:var(--color-text-muted);border-top:1px solid var(--color-border);width:100%;max-width:42rem}footer nav{margin-bottom:var(--space-2);display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-1) var(--space-3)}footer nav a{text-decoration:none;min-height:var(--touch-min);display:inline-flex;align-items:center;padding:var(--space-1) var(--space-2);border-radius:var(--radius-sm);transition:background var(--transition)}footer nav a:hover{text-decoration:none;background:var(--color-accent-light)}footer nav a:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:var(--radius-sm)}.footer-theme{margin:var(--space-3) 0 var(--space-2)}.theme-toggle{min-height:var(--touch-md);min-width:var(--touch-md);padding:0;display:inline-flex;align-items:center;justify-content:center;font-size:1.25rem;line-height:1;color:var(--color-text-secondary);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-full);cursor:pointer;box-shadow:var(--shadow);transition:all var(--transition)}.theme-toggle:hover{background:var(--color-surface-elevated);border-color:var(--color-accent);transform:scale(1.08)}.theme-toggle:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}@media(min-width:640px){body{padding:var(--space-12) var(--space-6)}header h1{font-size:2.75rem}.drop-zone{padding:var(--space-12) var(--space-8)}.result-actions{flex-direction:row}.result-actions .btn--lg{width:auto;flex:1}.proof-actions{flex-direction:row;flex-wrap:wrap}.proof-actions .btn--lg{width:auto;flex:1}}.verdict{display:flex;flex-direction:column;gap:.75rem;padding:1rem 1rem 1.25rem;border-radius:var(--radius, 10px);border:1px solid var(--color-border, #e2e8f0);background:var(--color-surface, #fff)}.verdict--valid_and_current{border-color:#10b981;background:#10b9810a}.verdict--valid_upgraded{border-color:#f59e0b;background:#f59e0b0d}.verdict--hash_mismatch{border-color:#ef4444;background:#ef44440d}.verdict--not_found,.verdict--parse_failed{border-color:#64748b;background:#64748b0a}.verdict--signature_invalid{border-color:#b91c1c;background:#b91c1c0f}.verdict--offline_verified_no_registry_check{border-color:#f59e0b;background:#f59e0b0f}.verdict--key_fingerprint_mismatch{border-color:#b91c1c;background:#b91c1c0f}.verdict__badge{display:inline-flex;align-items:center;gap:.5rem;align-self:flex-start;padding:.3rem .75rem;border-radius:999px;font-size:.75rem;font-weight:600;letter-spacing:.01em;background:var(--color-surface-2, #f1f5f9);color:var(--color-text, #0f172a);border:1px solid var(--color-border, #e2e8f0)}.verdict__badge--valid_and_current{background:#d1fae5;color:#065f46;border-color:#10b981}.verdict__badge--valid_upgraded{background:#fef3c7;color:#78350f;border-color:#f59e0b}.verdict__badge--hash_mismatch{background:#fee2e2;color:#7f1d1d;border-color:#ef4444}.verdict__badge--not_found,.verdict__badge--parse_failed{background:#e2e8f0;color:#334155;border-color:#94a3b8}.verdict__badge--signature_invalid{background:#fecaca;color:#7f1d1d;border-color:#b91c1c}.verdict__badge--offline_verified_no_registry_check{background:#fef3c7;color:#78350f;border-color:#f59e0b}.verdict__badge--key_fingerprint_mismatch{background:#fecaca;color:#7f1d1d;border-color:#b91c1c}.verdict__icon{font-size:.95rem;line-height:1}.verdict__title{margin:0;font-size:1.25rem;font-weight:700;color:var(--color-text, #0f172a)}.verdict__desc{margin:0;color:var(--color-text-muted, #475569);font-size:.95rem;line-height:1.45}.verdict__source{font-size:.75rem;color:var(--color-text-muted, #64748b);font-variant:all-small-caps;letter-spacing:.05em}.verdict__details{display:grid;grid-template-columns:max-content 1fr;gap:.35rem .75rem;margin:.25rem 0 0;padding:.75rem .9rem;background:var(--color-surface-2, #f8fafc);border-radius:8px;border:1px solid var(--color-border, #e2e8f0);font-size:.85rem}.verdict__details dt{font-weight:600;color:var(--color-text-muted, #475569);align-self:start}.verdict__details dd{margin:0;color:var(--color-text, #0f172a);word-break:break-all}.verdict__details dd.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.78rem}.verdict__actions{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.5rem}.cta-reverify{border-color:var(--color-warning, #f59e0b)!important}.cta-reverify:before{content:"↑";margin-right:.4em;font-weight:700;color:var(--color-warning, #f59e0b)}.cta-reverify__note{flex:1 0 100%;margin:.25rem 0 0;font-size:.75rem;color:var(--color-text-secondary, #475569);font-style:italic}.verdict__manual{display:flex;flex-direction:column;gap:.4rem;width:100%;margin-top:.5rem;padding-top:.75rem;border-top:1px dashed var(--color-border, #e2e8f0)}.verdict__manual-label{font-size:.8rem;font-weight:600;color:var(--color-text-muted, #475569)}.verdict__manual-row{display:flex;gap:.5rem;flex-wrap:wrap}.verdict__manual-input{flex:1 1 260px;min-width:0;padding:.5rem .75rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.85rem;border:1px solid var(--color-border, #e2e8f0);border-radius:8px;background:var(--color-surface, #fff);color:var(--color-text, #0f172a)}.verdict__manual-input:focus{outline:2px solid var(--color-accent, #0ea5e9);outline-offset:1px}.verdict__manual-error{font-size:.8rem;color:#b91c1c}.verdict__proofs{margin:.25rem 0 0;padding:.85rem 1rem;background:var(--color-surface, #fff);border:1px solid var(--color-border, #e2e8f0);border-radius:10px}.verdict__proofs-title{margin:0 0 .6rem;font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-muted, #64748b);font-weight:700}.verdict__proofs-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}.verdict__proof{display:grid;grid-template-columns:1.5rem 1fr;gap:.6rem;align-items:start;padding:.55rem .7rem;border-radius:8px;border:1px solid var(--color-border, #e2e8f0);background:var(--color-surface-2, #f8fafc)}.verdict__proof--pass{border-color:#86efac;background:#10b9810d}.verdict__proof--fail{border-color:#fca5a5;background:#ef44440d}.verdict__proof--skip{border-color:var(--color-border, #e2e8f0);background:var(--color-surface-2, #f8fafc);opacity:.85}.verdict__proof-icon{width:1.5rem;height:1.5rem;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;font-weight:700;font-size:.85rem}.verdict__proof--pass .verdict__proof-icon{background:#10b981;color:#fff}.verdict__proof--fail .verdict__proof-icon{background:#ef4444;color:#fff}.verdict__proof--skip .verdict__proof-icon{background:#cbd5e1;color:#334155}.verdict__proof-body{display:flex;flex-direction:column;gap:.15rem;min-width:0}.verdict__proof-label{font-weight:600;font-size:.85rem;color:var(--color-text, #0f172a)}.verdict__proof-detail{font-size:.8rem;color:var(--color-text-muted, #475569);line-height:1.4}.verdict__proof-fp{font-size:.72rem;color:var(--color-text-muted, #64748b);word-break:break-all;margin-top:.15rem}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}.qr-block{display:flex;align-items:center;gap:1rem;padding:1rem;border:1px solid var(--border, #e2e8f0);border-radius:.75rem;background:var(--bg-subtle, #f8fafc)}.qr-block__canvas{flex:0 0 auto;width:168px;height:168px;display:block;background:#fff;padding:.25rem;border-radius:.375rem}.qr-block__meta{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:.5rem}.qr-block__label{margin:0;font-weight:600;color:var(--text, #0f172a)}.qr-block__url{font-size:.85rem;word-break:break-all;color:var(--accent, #2563eb);text-decoration:underline}.post-attest-qr,.proof-qr-section,.verdict__qr{margin-top:1.5rem}@media(max-width:480px){.qr-block{flex-direction:column;align-items:stretch}.qr-block__canvas{align-self:center}}.explorer-links{display:inline-flex;gap:.5rem;flex-wrap:wrap}.explorer-link{display:inline-flex;align-items:center;padding:.125rem .5rem;border-radius:.375rem;background:var(--bg-subtle, #f1f5f9);color:var(--accent, #2563eb);text-decoration:none;font-size:.85rem;font-weight:500;border:1px solid transparent;transition:border-color .15s ease}.explorer-link:hover,.explorer-link:focus-visible{border-color:var(--accent, #2563eb);text-decoration:underline}.verdict__explorers{margin-top:1.25rem;padding:1rem;border-radius:.5rem;background:var(--bg-subtle, #f8fafc)}.verdict__explorers h4{margin:0 0 .5rem;font-size:.95rem;font-weight:600}.explorer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}.explorer-list li{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;font-size:.9rem}.explorer-list__label{font-weight:600;min-width:5.5rem}.explorer-list__value{flex:1 1 18ch;min-width:0;word-break:break-all;font-size:.85rem;color:var(--text-muted, #475569)}.tech-panel{margin-top:1.5rem;border-top:1px solid var(--border, #e2e8f0);padding-top:1rem}.tech-panel__toggle{background:none;border:1px solid var(--border, #e2e8f0);border-radius:.5rem;padding:.5rem 1rem;cursor:pointer;font-weight:500;font-size:.9rem;color:var(--text, #0f172a)}.tech-panel__toggle:hover,.tech-panel__toggle:focus-visible{border-color:var(--accent, #2563eb)}.tech-panel__body{margin-top:1rem;display:flex;flex-direction:column;gap:.75rem}.tech-panel__api{margin-top:.5rem;padding:.75rem;border-radius:.5rem;background:var(--bg-subtle, #f8fafc)}.tech-panel__api h4{margin:0 0 .5rem;font-size:.9rem;font-weight:600}.tech-panel__api-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.4rem;font-size:.85rem}.tech-panel__api-list code{font-size:.8rem;word-break:break-all}.tech-panel__api-link{font-weight:600;color:var(--accent, #2563eb);text-decoration:none}.tech-panel__api-link:hover,.tech-panel__api-link:focus-visible{text-decoration:underline}@media print{body{background:#fff;color:#000;padding:1cm}header:after,.theme-toggle,.footer-theme,.btn--new,.drop-zone,.input-tabs,.showcase-panel,.cta-banner{display:none!important}.result-card,.proof-card,.proof-shell__intro{box-shadow:none;border:1px solid #ccc}a{color:#000;text-decoration:underline}a[href]:after{content:" (" attr(href) ")";font-size:.8em}}
