:root{--iso-green:#6fb15c;--iso-green-dark:#5aa14c;--iso-amber:#f59e0b;--iso-red:#ef4444;--iso-blue:#60a5fa;--iso-text:#0f172a;--iso-muted:#6b7280;--iso-border:#e5e7eb;--iso-border-soft:#eef2f7;--iso-bg:#fff;--iso-card:#fff;--iso-card-muted:#fafafa;--iso-radius:14px;--iso-shadow:0 6px 18px rgba(15,23,42,.06);--iso-focus:0 0 0 4px rgba(147,197,253,.35)}#iso27k-app,.iso27k-app{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--iso-text);line-height:1.45}#iso27k-app *,#iso27k-app *::before,#iso27k-app *::after{box-sizing:border-box}.iso27k-step{display:none}.iso27k-step.is-active{display:block}.iso27k-step.is-active{animation:isoFadeIn .25s ease}.iso27k-hero{max-width:960px;margin:0 auto;padding:48px 20px 32px}.iso27k-title{text-align:center;font-size:52px;font-weight:900;letter-spacing:.4px;margin:0 0 10px}.iso27k-subtitle{text-align:center;font-size:16px;color:#334155;margin:0 0 28px}.iso27k-expect{max-width:780px;margin:0 auto 22px;background:#eef6ff;border:1px solid #dbeafe;border-left:5px solid var(--iso-blue);border-radius:var(--iso-radius);padding:18px 20px}.iso27k-expect-title{margin:0 0 10px;font-size:18px;font-weight:800}.iso27k-expect-list{margin:0;padding-left:18px;color:#111827}.iso27k-expect-list li{margin:8px 0}.iso27k-form{max-width:780px;margin:0 auto}.iso27k-label{display:block;margin:18px 0 8px;font-weight:800;color:var(--iso-text)}.iso27k-required{color:var(--iso-red)}.iso27k-input{width:100%;padding:14px 14px;font-size:16px;border:1px solid var(--iso-border);border-radius:12px;outline:none;background:#fff}.iso27k-input:focus{border-color:#93c5fd;box-shadow:var(--iso-focus)}.iso27k-help{margin-top:6px;font-size:13px;color:var(--iso-muted)}.iso27k-muted{color:var(--iso-muted);font-size:14px}.iso27k-center-note{text-align:center;margin-top:10px;font-size:13px;color:var(--iso-muted)}.iso27k-btn-primary,.iso27k-btn-secondary{border:none;border-radius:14px;padding:14px 16px;font-size:16px;font-weight:900;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,background .12s ease,border-color .12s ease}.iso27k-btn-primary{width:100%;background:var(--iso-green);color:#fff;margin-top:18px;box-shadow:0 8px 18px rgba(15,23,42,.1)}.iso27k-btn-primary:hover{background:var(--iso-green-dark)}.iso27k-btn-primary:hover{box-shadow:0 10px 22px rgba(15,23,42,.14)}.iso27k-btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(15,23,42,.12)}.iso27k-btn-primary:disabled{background:#d1d5db;cursor:not-allowed}.iso27k-btn-secondary{background:#fff;color:#111827;border:1px solid var(--iso-border);box-shadow:0 6px 14px rgba(15,23,42,.06)}.iso27k-btn-secondary:hover{background:#fbfbfc;border-color:#cbd5e1;box-shadow:0 10px 20px rgba(15,23,42,.1)}.iso27k-btn-secondary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(15,23,42,.08)}.iso27k-btn-link{display:inline-block;text-decoration:none;text-align:center}.iso27k-error{margin-top:12px;padding:12px;border-radius:12px;background:#fef2f2;border:1px solid #fecaca;color:#991b1b;font-size:14px}.iso27k-error:empty{display:none}.iso27k-progress-wrap{position:sticky;top:0;z-index:30;background:#fff;border-bottom:1px solid var(--iso-border-soft);padding:12px 14px}.iso27k-progress-top{max-width:960px;margin:0 auto 6px;display:flex;justify-content:space-between;align-items:center;font-weight:900;color:#111827}.iso27k-progress-note{max-width:960px;margin:6px auto 0;font-size:12px;color:var(--iso-muted)}.iso27k-progress-bar{max-width:960px;margin:0 auto;height:10px;background:#e5e7eb;border-radius:999px;overflow:hidden}.iso27k-progress-fill{height:10px;width:0%;background:linear-gradient(90deg,#111827 0%,#2563eb 100%);transition:width .35s ease}.iso27k-card{max-width:960px;margin:18px auto 40px;background:var(--iso-card);border:1px solid var(--iso-border-soft);border-radius:16px;padding:22px;box-shadow:var(--iso-shadow);animation:isoFadeIn .22s ease}@keyframes isoFadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.iso27k-theme{font-size:12px;font-weight:900;color:#334155;text-transform:uppercase;letter-spacing:.8px;margin-bottom:6px}.iso27k-question{font-size:18px;font-weight:900;color:var(--iso-text);margin:0 0 16px 0;line-height:1.35}.iso27k-options{display:grid;gap:12px}.iso27k-option{width:100%;display:flex;gap:14px;padding:14px;border-radius:14px;border:1px solid var(--iso-border);background:#fff;cursor:pointer;text-align:left}.iso27k-option:hover{background:#fbfbfc;border-color:#cbd5e1}.iso27k-option.is-selected{border-color:#93c5fd;box-shadow:var(--iso-focus)}.iso27k-option-key{width:36px;height:36px;border-radius:12px;background:#0f172a;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;flex:0 0 auto}.iso27k-option[data-answer="A"] .iso27k-option-key{background:var(--iso-green)}.iso27k-option[data-answer="B"] .iso27k-option-key{background:var(--iso-amber)}.iso27k-option[data-answer="C"] .iso27k-option-key{background:var(--iso-red)}.iso27k-option.is-selected[data-answer="A"] .iso27k-option-key{background:var(--iso-green-dark)}.iso27k-option.is-selected[data-answer="B"] .iso27k-option-key{background:#d97706}.iso27k-option.is-selected[data-answer="C"] .iso27k-option-key{background:#b91c1c}.iso27k-option-text{font-size:15px;color:#111827;line-height:1.35}.iso27k-option-hint{font-size:12px;color:var(--iso-muted);margin-top:3px}.iso27k-option.is-selected[data-answer="A"]{border-color:var(--iso-green);box-shadow:0 0 0 4px rgba(111,177,92,.22)}.iso27k-option.is-selected[data-answer="B"]{border-color:var(--iso-amber);box-shadow:0 0 0 4px rgba(245,158,11,.18)}.iso27k-option.is-selected[data-answer="C"]{border-color:var(--iso-red);box-shadow:0 0 0 4px rgba(239,68,68,.18)}.iso27k-nav{display:flex;gap:12px;margin-top:18px}.iso27k-nav .iso27k-btn-secondary,.iso27k-nav .iso27k-btn-primary{width:100%;margin-top:0}.iso27k-btn-primary,.iso27k-btn-secondary{transition:transform .12s ease,box-shadow .12s ease,background .12s ease,border-color .12s ease;box-shadow:0 8px 18px rgba(15,23,42,.08)}.iso27k-btn-secondary{border:1px solid var(--iso-border);box-shadow:0 6px 14px rgba(15,23,42,.06)}.iso27k-btn-secondary:hover{background:#f4f6fa;border-color:#cbd5e1;transform:translateY(-1px)}.iso27k-btn-primary:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(15,23,42,.12)}.iso27k-btn-primary:active,.iso27k-btn-secondary:active{transform:translateY(0)}.iso27k-nav-note{margin-top:10px;font-size:12px;color:var(--iso-muted)}.iso27k-hint{margin-top:10px;font-size:13px;color:var(--iso-muted)}.iso27k-section-title{margin:0 0 10px 0;font-size:20px;font-weight:900}.iso27k-preview{display:grid;grid-template-columns:1fr 1fr;gap:14px}.iso27k-preview-score{background:var(--iso-card-muted);border:1px solid var(--iso-border-soft);border-radius:16px;padding:16px}.iso27k-preview-label{font-size:12px;color:var(--iso-muted);margin-bottom:6px;font-weight:800}.iso27k-preview-value{font-size:24px;font-weight:900;color:var(--iso-text)}#iso27k-app a:focus-visible,#iso27k-app button:focus-visible,#iso27k-app input:focus-visible,#iso27k-app select:focus-visible{outline:3px solid #2563eb;outline-offset:2px}.iso27k-option:focus-visible{border-color:#93c5fd;box-shadow:var(--iso-focus)}.iso27k-question.is-loading{color:transparent;position:relative;min-height:24px;border-radius:8px;background:linear-gradient(90deg,#eef2f7 25%,#e2e8f0 37%,#eef2f7 63%);background-size:400% 100%;animation:isoShimmer 1.2s ease-in-out infinite}@keyframes isoShimmer{0%{background-position:100% 0}100%{background-position:0 0}}.iso27k-spinner{width:34px;height:34px;margin:18px auto 0;border-radius:50%;border:3px solid rgba(15,23,42,.12);border-top-color:#2563eb;animation:isoSpin .8s linear infinite}@keyframes isoSpin{to{transform:rotate(360deg)}}.iso27k-status{padding:24px;border-radius:14px;text-align:center}.iso27k-status-title{font-size:18px;font-weight:800;margin:0 0 10px}.iso27k-status-icon{font-size:44px;line-height:1;margin-bottom:10px}.iso27k-status p{margin:6px 0}.iso27k-status--processing{background:#fffbeb;border:1px solid #fde68a;color:#92400e}.iso27k-status--success{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}.iso27k-status--success .iso27k-status-detail{color:#047857}.iso27k-status--warning{background:#fffbeb;border:1px solid #fde68a;color:#92400e}.iso27k-pdf-callout{margin-top:20px;padding:24px;border-radius:14px;text-align:center;color:#fff;background:linear-gradient(135deg,#3b82f6,#1e40af)}.iso27k-pdf-callout h3{margin:6px 0 8px;font-size:18px;color:#fff}.iso27k-pdf-callout p{margin:0 0 18px;font-size:14px;color:#e0e7ff}.iso27k-pdf-callout .iso27k-btn-link{width:auto;background:#fff;color:#1e40af;padding:14px 28px;border-radius:10px;margin-top:0}.iso27k-pdf-callout .iso27k-btn-link:hover{background:#f1f5f9}.iso27k-results-cta{margin-top:24px;padding-top:20px;border-top:1px solid var(--iso-border);text-align:center}.iso27k-results-cta-text{margin:0 0 12px;color:var(--iso-muted)}.iso27k-results-cta .iso27k-btn-link{width:auto;margin-top:0}.iso27k-results-restart{margin-top:20px;text-align:center}.iso27k-results-restart .iso27k-btn-secondary{width:auto}@media (max-width:768px){.iso27k-title{font-size:34px}.iso27k-hero{padding:32px 16px 24px}.iso27k-preview{grid-template-columns:1fr}.iso27k-card{padding:18px}.iso27k-nav{flex-direction:column-reverse}}@media (prefers-reduced-motion:reduce){.iso27k-card,.iso27k-step.is-active,.iso27k-progress-fill,.iso27k-btn-primary,.iso27k-btn-secondary,.iso27k-spinner,.iso27k-question.is-loading{animation:none !important;transition:none !important}}