:root{--hue-accent: 268;--hue-success: 149;--hue-fail: 25;--hue-warning: 75;--color-bg: oklch(98.5% .005 80);--color-bg-secondary: oklch(100% 0 0);--color-bg-tertiary: oklch(96% .008 80);--color-bg-inverse: oklch(18% .012 270);--color-text: oklch(20% .015 270);--color-text-secondary:oklch(45% .012 270);--color-text-tertiary: oklch(62% .01 270);--color-text-inverse: oklch(98% .005 80);--color-border: oklch(90% .008 270);--color-border-light: oklch(94% .006 270);--color-border-strong: oklch(80% .012 270);--color-accent: oklch(58% .2 var(--hue-accent));--color-accent-dark: oklch(48% .22 var(--hue-accent));--color-accent-light: oklch(95% .04 var(--hue-accent));--color-accent-ink: oklch(35% .18 var(--hue-accent));--color-pass: oklch(58% .16 var(--hue-success));--color-pass-bg: oklch(95% .05 var(--hue-success));--color-pass-ink: oklch(35% .14 var(--hue-success));--color-fail: oklch(58% .2 var(--hue-fail));--color-fail-bg: oklch(95% .04 var(--hue-fail));--color-fail-ink: oklch(40% .18 var(--hue-fail));--color-warning: oklch(72% .15 var(--hue-warning));--color-warning-bg: oklch(95% .06 var(--hue-warning));--color-warning-ink: oklch(45% .13 var(--hue-warning));--color-neutral: oklch(70% .005 270);--color-neutral-bg: oklch(94% .004 270);--color-neutral-ink: oklch(40% .008 270);--color-score-poor: oklch(58% .2 25);--color-score-low: oklch(68% .17 50);--color-score-avg: oklch(72% .15 75);--color-score-good: oklch(65% .16 130);--color-score-great: oklch(58% .16 149);--color-level-1: oklch(60% .2 25);--color-level-2: oklch(65% .18 50);--color-level-3: oklch(72% .15 80);--color-level-4: oklch(65% .16 130);--color-level-5: oklch(58% .16 149);--font-sans: "Manrope", -apple-system, "Segoe UI", system-ui, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", "Cascadia Mono", Consolas, monospace;--fs-h1: clamp(2.25rem, 4vw + 1rem, 3.25rem);--fs-h2: clamp(1.5rem, 1.5vw + 1rem, 2rem);--fs-h3: 1.125rem;--fs-body: 1rem;--fs-sm: .875rem;--fs-xs: 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80);--color-text-secondary:oklch(74% .008 270);--color-text-tertiary: oklch(56% .01 270);--color-text-inverse: oklch(15% .012 270);--color-border: oklch(28% .014 270);--color-border-light: oklch(23% .012 270);--color-border-strong: oklch(40% .014 270);--color-accent: oklch(72% .18 var(--hue-accent));--color-accent-dark: oklch(82% .16 var(--hue-accent));--color-accent-light: oklch(28% .1 var(--hue-accent));--color-accent-ink: oklch(85% .14 var(--hue-accent));--color-pass: oklch(72% .16 var(--hue-success));--color-pass-bg: oklch(28% .08 var(--hue-success));--color-pass-ink: oklch(85% .14 var(--hue-success));--color-fail: oklch(70% .2 var(--hue-fail));--color-fail-bg: oklch(28% .1 var(--hue-fail));--color-fail-ink: oklch(85% .16 var(--hue-fail));--color-warning: oklch(78% .15 var(--hue-warning));--color-warning-bg: oklch(28% .08 var(--hue-warning));--color-warning-ink: oklch(85% .14 var(--hue-warning));--color-neutral: oklch(60% .005 270);--color-neutral-bg: oklch(25% .008 270);--color-neutral-ink: oklch(80% .008 270);--shadow-card: 0 1px 2px rgba(0,0,0,.3), 0 4px 14px -6px rgba(0,0,0,.4);--shadow-card-hover: 0 2px 4px rgba(0,0,0,.35), 0 8px 24px -6px rgba(0,0,0,.5);--shadow-modal: 0 24px 64px -16px rgba(0,0,0,.6), 0 8px 24px -8px rgba(0,0,0,.4);--shadow-fab: 0 12px 32px -8px rgba(0,0,0,.5), 0 4px 8px rgba(0,0,0,.3)}[data-palette=cool]{--hue-accent: 245}[data-palette=green]{--hue-accent: 152}[data-palette=warm]{--hue-accent: 35}[data-palette=contrast]{--hue-accent: 268}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font-sans);font-size:var(--fs-body);line-height:1.5;background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-feature-settings:"ss01","cv11"}h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.15;text-wrap:balance}h1{font-size:var(--fs-h1);letter-spacing:-.03em}h2{font-size:var(--fs-h2)}h3{font-size:var(--fs-h3);font-weight:600;letter-spacing:-.015em}p{margin:0;text-wrap:pretty}a{color:var(--color-accent);text-decoration:none;text-underline-offset:2px}a:hover{text-decoration:underline}button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}input{font-family:inherit}.mono{font-family:var(--font-mono);font-feature-settings:"zero","ss02"}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.container{max-width:var(--container-wide);margin:0 auto;padding:0 24px}.narrow{max-width:var(--container-narrow);margin:0 auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:30;background:color-mix(in oklab,var(--color-bg) 80%,transparent);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--color-border-light)}.site-header__row{display:flex;align-items:center;gap:36px;height:96px}.brand{display:flex;align-items:center;gap:10px;color:var(--color-text);text-decoration:none}.brand:hover{text-decoration:none}.brand__mark{width:42px;height:42px;border-radius:12px;background:var(--color-text);color:var(--color-bg);display:grid;place-items:center;font-family:var(--font-mono);font-weight:700;font-size:19px;letter-spacing:-.04em;position:relative}.brand__mark:after{content:"";position:absolute;right:-4px;bottom:-4px;width:14px;height:14px;border-radius:4px;background:var(--color-accent);border:3px solid 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a.is-active:hover{background:var(--color-accent-dark);color:var(--color-bg)}.header-actions{margin-left:auto;display:flex;gap:6px;align-items:center}.icon-btn{width:52px;height:52px;border-radius:var(--radius-lg);display:grid;place-items:center;color:var(--color-text-secondary);border:1px solid transparent;transition:background var(--transition-fast),color var(--transition-fast)}.icon-btn svg{width:24px;height:24px}.icon-btn:hover{background:var(--color-bg-tertiary);color:var(--color-text)}.lang-toggle{display:inline-flex;align-items:center;font-family:var(--font-mono);font-size:16px;font-weight:600;border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;height:46px}.lang-toggle button{padding:0 16px;height:100%;color:var(--color-text-tertiary)}.lang-toggle button.is-active{background:var(--color-text);color:var(--color-bg)}@media(max-width:639px){.site-nav{display:none}.header-actions .lang-toggle{height:32px}}.hero{padding:36px 0 16px;text-align:center}.hero h1{max-width:880px;margin:0 auto 18px}.hero h1 em{font-style:normal;background:linear-gradient(180deg,var(--color-accent),var(--color-accent-dark));-webkit-background-clip:text;background-clip:text;color:transparent}.hero__sub{max-width:720px;margin:0 auto;color:var(--color-text-secondary);font-size:1.0625rem;line-height:1.55}.hero__sub strong{color:var(--color-text);font-weight:600}.hero__sub a{color:var(--color-accent-ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}.scan-form{margin-top:36px;max-width:var(--content-width);margin-left:auto;margin-right:auto}.scan-form__row{display:flex;gap:12px;background:var(--color-bg-secondary);border:2px solid var(--color-border);border-radius:28px;padding:10px;box-shadow:var(--shadow-card);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.scan-form__row:focus-within{border-color:var(--color-accent);box-shadow:0 0 0 6px color-mix(in oklab,var(--color-accent) 18%,transparent)}.scan-form input[type=url]{flex:1;min-width:0;border:0;background:transparent;outline:0;padding:22px 26px;font-family:var(--font-mono);font-size:1.25rem;letter-spacing:-.005em;color:var(--color-text)}.scan-form input::placeholder{color:var(--color-text-tertiary)}.btn-scan{background:var(--color-accent);color:var(--color-text-inverse);font-weight:600;font-size:1.0625rem;padding:0 32px;border-radius:22px;min-width:160px;justify-content:center;display:inline-flex;align-items:center;gap:10px;transition:transform var(--transition-fast),background var(--transition-fast),box-shadow var(--transition-fast)}.btn-scan:hover{transform:translateY(-1px);background:var(--color-accent-dark);box-shadow:0 0 0 6px color-mix(in oklab,var(--color-accent) 22%,transparent),0 8px 22px -8px color-mix(in oklab,var(--color-accent) 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h2{font-size:clamp(1.75rem,2vw + 1rem,2.25rem);letter-spacing:-.02em}.section-head p{margin-top:12px;color:var(--color-text-secondary);font-size:1.0625rem;max-width:640px;margin-left:auto;margin-right:auto}.gauge{position:relative}.gauge svg.segarc{display:block;width:100%;height:auto;overflow:visible}.check{position:relative;perspective:1400px;margin-bottom:12px}.check__inner{position:relative;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.2,.8,.2,1)}.check__face{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);backface-visibility:hidden;-webkit-backface-visibility:hidden;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.check__face:hover{border-color:var(--color-border-strong)}.check__face--front{position:relative}.check__face--back{position:absolute;inset:0;transform:rotateY(180deg);display:flex;flex-direction:column;max-height:600px;overflow:hidden}.check.is-flipped .check__face--front{pointer-events:none}.check:not(.is-flipped) .check__face--back{pointer-events:none}@media(max-width:639px){.check{perspective:none}.check__inner{transition:none;transform:none!important}.check__face{backface-visibility:visible;-webkit-backface-visibility:visible}.check__face--back{display:none;position:relative;transform:none}.check.is-flipped .check__face--front{display:none}.check.is-flipped .check__face--back{display:block;position:relative}}.check__head{display:flex;align-items:center;gap:12px;padding:16px 20px;width:100%;background:transparent;text-align:left;cursor:pointer;transition:background var(--transition-fast)}.check__head:hover{background:var(--color-bg-tertiary)}.check.is-collapsed .check__head{padding:18px 20px}.check__chev{width:28px;height:28px;border-radius:999px;display:grid;place-items:center;border:1px solid var(--color-border);color:var(--color-text-secondary);flex-shrink:0;transition:transform var(--transition-normal)}.check__head[aria-expanded=true] .check__chev{transform:rotate(180deg)}.check.is-collapsed .check__face--front{padding-bottom:0}.check.is-collapsed .check__body,.check.is-collapsed .check__actions{display:none}.check__status{width:28px;height:28px;border-radius:999px;display:grid;place-items:center;flex-shrink:0}.check__status--pending{background:var(--color-bg-tertiary)}.check__title{font-size:var(--fs-h3);font-weight:600;flex:1;min-width:0}.check__title small{font-family:var(--font-mono);font-size:11px;font-weight:500;color:var(--color-text-tertiary);letter-spacing:-.01em;margin-left:8px}.check__statuslabel{font-family:var(--font-mono);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;padding:3px 8px;border-radius:var(--radius-sm)}.check__body{text-align:left;padding:14px 20px 16px;border-top:1px solid var(--color-border-light)}.check__field{display:flex;flex-direction:column;gap:3px;margin-bottom:12px}.check__field__label{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-tertiary)}.check__field__val{color:var(--color-text);font-size:var(--fs-sm);line-height:1.55}.check__field__val.is-mono{font-family:var(--font-mono);font-size:13px;color:var(--color-text-secondary)}.check__fix{background:var(--color-bg-tertiary);border-left:2px solid var(--color-accent);border-radius:var(--radius-md);padding:10px 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6px;border-radius:var(--radius-sm);background:var(--color-pass-bg);color:var(--color-pass-ink)}.tl-step__status.is-fail{background:var(--color-fail-bg);color:var(--color-fail-ink)}.tl-block{background:var(--color-bg-tertiary);border:1px solid var(--color-border-light);border-radius:var(--radius-md);padding:8px 10px;font-family:var(--font-mono);font-size:12px;color:var(--color-text-secondary);margin:6px 0;white-space:pre-wrap;overflow-x:auto}.tl-block__label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-tertiary);margin-bottom:4px}.tl-step__line{display:flex;align-items:flex-start;gap:6px;font-size:12px;color:var(--color-text-secondary);margin:4px 0}.evidence__foot{margin:0;padding:10px 20px 12px;border-top:1px dashed var(--color-border);display:flex;justify-content:space-between;align-items:center;font-family:var(--font-mono);font-size:11px;color:var(--color-text-tertiary)}.modal-backdrop{position:fixed;inset:0;z-index:50;background:#14121c8c;backdrop-filter:blur(4px);display:grid;place-items:center;padding:16px;animation:backdropIn .25s ease}@keyframes backdropIn{0%{opacity:0}}.modal{background:var(--color-bg-secondary);border:1px solid var(--color-border);border-radius:var(--radius-2xl);width:100%;max-width:560px;padding:32px;box-shadow:var(--shadow-modal);animation:modalIn .25s cubic-bezier(.2,.8,.2,1);max-height:90vh;overflow:auto}@keyframes 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a{color:var(--color-text-tertiary);text-decoration:none;transition:color .15s}.site-footer__col a:hover{color:var(--color-accent)}.site-footer__bottom{border-top:1px solid var(--color-border-light);padding-top:16px;text-align:center}@media(max-width:767px){.site-footer__cols{grid-template-columns:1fr;gap:20px}}.results{animation:fadeUp .4s ease both}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}}.skipped-cat-msg{font-size:13px;color:var(--color-text-tertiary)}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.header-actions{display:flex;align-items:center;gap:8px}.lang-toggle{display:flex;align-items:center;gap:4px;background:none;border:none;cursor:pointer;font-size:var(--fs-sm);font-weight:600;color:var(--color-text-secondary);padding:4px 8px;border-radius:var(--radius-sm);transition:color .15s,background 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var(--color-border);border-radius:var(--radius-md)}.cat-mini__ring.is-skipped{opacity:.45}.cat-mini__label{font-size:.8125rem;color:var(--color-text-secondary);text-align:center;max-width:80px;line-height:1.2}.cat-mini__not-checked{font-size:.75rem;color:var(--color-text-tertiary);font-style:italic}.ring-score{font-size:1.25rem;font-weight:700;font-family:var(--font-mono);dominant-baseline:central}.ring-fraction{font-size:.625rem;fill:var(--color-text-tertiary);dominant-baseline:central}.check{background:var(--color-bg-secondary);border:1px solid var(--color-border-light);border-radius:var(--radius-lg);perspective:1000px;position:relative;min-height:56px}.check[data-status=fail]{border-color:oklch(from var(--color-fail) l c h / .3)}.check[data-status=warning]{border-color:oklch(from var(--color-warning) l c h / .3)}.check[data-status=pass]{border-color:oklch(from var(--color-pass) l c h / .2)}.check__inner{position:relative;transform-style:preserve-3d;transition:transform .5s 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8px}.check__field{display:flex;flex-direction:column;align-items:flex-start;gap:3px;margin-bottom:12px}.check__field__label{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-tertiary)}.check__field__val{font-size:var(--fs-sm);color:var(--color-text-secondary);line-height:1.55}.check__fix{color:var(--color-text)}.check__resources{display:flex;flex-wrap:wrap;gap:6px}.chip{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-bg-tertiary);font-size:12px;color:var(--color-text-secondary);text-decoration:none;transition:border-color .15s,color .15s}.chip:hover{border-color:var(--color-accent);color:var(--color-accent)}.check__actions{display:flex;gap:8px;align-items:center;padding:8px 16px 14px;flex-wrap:wrap}.check__actions--back{flex-shrink:0;padding:12px 16px;border-top:1px solid var(--color-border-light);background:var(--color-bg-secondary);justify-content:flex-end}.btn-copy{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--radius-md);background:var(--color-accent-dark);color:#fff;font-size:var(--fs-sm);font-weight:600;border:none;cursor:pointer;transition:background .15s,opacity .15s}.btn-copy:hover{opacity:.88}.btn-copy.is-copied{background:var(--color-pass)}.btn-flip{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--radius-md);background:none;border:1px solid var(--color-border-strong);font-size:var(--fs-sm);font-weight:600;color:var(--color-text-secondary);cursor:pointer;transition:border-color .15s,color .15s}.btn-flip:hover{border-color:var(--color-accent);color:var(--color-accent)}.evidence__head{flex-shrink:0;display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid 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pre{margin:0;padding:8px 10px;border-radius:var(--radius-sm);background:var(--color-bg-tertiary);font-size:11px;line-height:1.5;overflow-x:auto;max-height:140px;overflow-y:auto;border:1px solid var(--color-border-light);white-space:pre-wrap;word-break:break-all}@keyframes skeleton-shimmer{0%,to{opacity:.6}50%{opacity:1}}.check--skeleton .check__head{cursor:default}.skeleton-box{display:inline-block;background:var(--color-bg-tertiary);animation:skeleton-shimmer 1.5s ease-in-out infinite}.faq{padding:36px 0}.faq__list{margin-top:0;display:flex;flex-direction:column;gap:10px;max-width:var(--content-width);margin-left:auto;margin-right:auto}.faq__row{border:1px solid var(--color-border-light);border-radius:var(--radius-lg);overflow:hidden;background:var(--color-bg-secondary)}.faq__btn{display:flex;justify-content:space-between;align-items:center;padding:25px 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0}.modal__success-icon{font-size:40px;margin-bottom:16px;display:block}.modal__success-h{font-size:var(--fs-xl);font-weight:700;margin-bottom:12px}.modal__success-p{font-size:var(--fs-sm);color:var(--color-text-secondary);margin-bottom:24px;line-height:1.5}.form__field{margin-bottom:14px}.form__field label{display:block;font-size:var(--fs-sm);font-weight:600;margin-bottom:6px}.form__field input{width:100%;padding:10px 14px;border-radius:var(--radius-md);border:1px solid var(--color-border-strong);background:var(--color-bg);color:var(--color-text);font-size:var(--fs-base);font-family:var(--font-sans);transition:border-color .15s}.form__field input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px oklch(from var(--color-accent) l c h / .15)}.form__field input[aria-invalid=true]{border-color:var(--color-fail)}.form__field input:disabled{opacity:.6;cursor:not-allowed}.form__error{font-size:12px;color:var(--color-fail-ink);margin-top:4px}.form__error--global{margin-bottom:8px}.checkbox-label{display:flex;align-items:flex-start;gap:10px;font-size:var(--fs-sm);cursor:pointer}.checkbox-label input{margin-top:2px;accent-color:var(--color-accent);flex-shrink:0}.checkbox-label a{color:var(--color-accent)}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-md);background:var(--color-accent);color:#fff;font-size:var(--fs-sm);font-weight:700;border:none;cursor:pointer;transition:opacity .15s}.btn-primary:hover:not(:disabled){opacity:.88}.btn-primary:disabled{opacity:.45;cursor:not-allowed}.btn--full{width:100%}.btn-secondary{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:var(--radius-md);background:none;border:1px solid var(--color-border-strong);font-size:var(--fs-sm);font-weight:600;color:var(--color-text-secondary);cursor:pointer;transition:border-color .15s,color .15s}.btn-secondary:hover{border-color:var(--color-accent);color:var(--color-accent)}.btn-secondary-sm{display:inline-flex;align-items:center;padding:5px 14px;border-radius:var(--radius-md);background:none;border:1px solid var(--color-border-strong);font-size:12px;font-weight:600;color:var(--color-text-secondary);cursor:pointer;transition:border-color .15s,color .15s;white-space:nowrap}.btn-secondary-sm:hover{border-color:var(--color-accent);color:var(--color-accent)}.btn-link{background:none;border:none;cursor:pointer;color:var(--color-accent);font-size:inherit;font-weight:600;text-decoration:underline;text-underline-offset:3px;padding:0}@keyframes spin{to{transform:rotate(360deg)}}.spinner{animation:spin .8s linear infinite;display:inline-block}@media(prefers-reduced-motion:reduce){.spinner{animation:none}}.section-head{margin-bottom:8px}.section-head h2{font-size:var(--fs-2xl);font-weight:700}:root{--color-level-1: oklch(58% .2 25);--color-level-2: oklch(68% .17 50);--color-level-3: oklch(72% .15 75);--color-level-4: oklch(62% .14 140);--color-level-5: oklch(58% .16 149)}.improve-cta{display:flex;align-items:center;justify-content:center;gap:12px;width:100%;max-width:var(--content-width);margin:16px auto 24px;padding:16px 24px;border-radius:var(--radius-lg);border:1px solid transparent;font-size:var(--fs-lg);font-weight:600;text-align:center;cursor:pointer;transition:transform .15s,box-shadow .15s,border-color .15s,background .15s}.improve-cta:hover{transform:translateY(-1px)}.improve-cta:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px}.improve-cta__icon{flex:0 0 28px;width:28px;height:28px;background-color:currentColor;-webkit-mask:url(/img/improve-cta-icon.png) no-repeat center / contain;mask:url(/img/improve-cta-icon.png) no-repeat center / contain}.improve-cta__text{line-height:1.4}.improve-cta--improve{background:var(--color-accent);color:var(--color-text-inverse)}.improve-cta--improve:hover{background:var(--color-accent-dark);box-shadow:0 0 0 6px color-mix(in oklab,var(--color-accent) 22%,transparent),0 8px 22px -8px color-mix(in oklab,var(--color-accent) 60%,transparent)}.improve-cta--maintain{--maintain-color: oklch(58% .18 149);background:var(--maintain-color);color:var(--color-text-inverse);border-color:transparent}.improve-cta--maintain:hover{background:oklch(50% .18 149);box-shadow:0 0 0 6px color-mix(in oklab,var(--maintain-color) 22%,transparent),0 8px 22px -8px color-mix(in oklab,var(--maintain-color) 60%,transparent)}.improve-modal{max-width:640px;width:100%;display:flex;flex-direction:column;padding:0;overflow:hidden}.improve-modal__header{flex-shrink:0;padding:28px 28px 16px}.improve-modal__header .modal__h2{margin-bottom:8px}.improve-modal__body{flex:1 1 auto;overflow-y:auto;padding:0 28px 16px;min-height:0}.improve-modal__footer{flex-shrink:0;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 28px 24px;border-top:1px solid var(--color-border-light);background:var(--color-bg-secondary)}.improve-modal__body{scrollbar-width:thin;scrollbar-color:color-mix(in oklab,var(--color-text-tertiary) 60%,transparent) transparent}.improve-modal__body::-webkit-scrollbar{width:6px}.improve-modal__body::-webkit-scrollbar-track{background:transparent}.improve-modal__body::-webkit-scrollbar-thumb{background:color-mix(in oklab,var(--color-text-tertiary) 50%,transparent);border-radius:3px}.improve-modal__body::-webkit-scrollbar-thumb:hover{background:var(--color-text-tertiary)}.improve-modal__sub{color:var(--color-text-secondary);font-size:var(--fs-body);margin:0;line-height:1.55}.improve-list--maintain{list-style:disc;padding-left:20px;margin:16px 0 8px;display:flex;flex-direction:column;gap:10px;text-align:left}.improve-list--maintain li{color:var(--color-text-secondary);line-height:1.55;text-align:left}.improve-list--maintain li strong{color:var(--color-text);font-weight:700}.difficulty-badge{display:inline-flex;align-items:center;font-size:var(--fs-xs);font-weight:600;padding:3px 10px;border-radius:var(--radius-pill);border:1px solid color-mix(in oklab,var(--difficulty-color) 35%,var(--color-border));background:color-mix(in oklab,var(--difficulty-color) 8%,var(--color-bg));color:var(--difficulty-color);white-space:nowrap}.difficulty-badge--easy{--difficulty-color: oklch(58% .18 149)}.difficulty-badge--medium{--difficulty-color: oklch(62% .16 75)}.difficulty-badge--hard{--difficulty-color: oklch(58% .2 25)}.improve-divider{border:0;border-top:1px solid var(--color-border-light);margin:16px 0}.improve-instruction{background:var(--color-bg);border:1px solid var(--color-border-light);border-radius:var(--radius-md);padding:16px 18px;font-family:var(--font-mono);font-size:var(--fs-sm);color:var(--color-text-secondary);line-height:1.6;margin:16px 0 12px;word-wrap:break-word;text-align:left}.improve-instruction__section+.improve-instruction__section,.improve-instruction__section:not(.is-first){border-top:1px dashed var(--color-border);margin-top:16px;padding-top:16px}.improve-instruction__header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:12px}.improve-instruction__name{font-family:var(--font-sans);font-size:var(--fs-body);font-weight:700;color:var(--color-text)}.improve-instruction__body{margin:0;white-space:pre-wrap;font-family:inherit;color:inherit;font-size:inherit;line-height:inherit;text-align:left}.improve-info-line{display:flex;gap:10px;font-size:var(--fs-sm);color:var(--color-text-secondary);background:color-mix(in oklab,var(--color-accent) 6%,var(--color-bg));border:1px solid color-mix(in oklab,var(--color-accent) 18%,var(--color-border));padding:10px 14px;border-radius:var(--radius-md);margin:0 0 14px;line-height:1.5}.improve-info-line:before{content:"ⓘ";color:var(--color-accent);flex-shrink:0;font-size:16px}.improve-actions-row__copy,.improve-cta-row__btn{flex-shrink:0}.improve-modal__footer--single{justify-content:flex-end}@media(max-width:520px){.improve-modal__footer{flex-direction:column;align-items:stretch}.improve-actions-row__copy,.improve-cta-row__btn{width:100%}}@media(max-width:600px){.improve-cta{flex-direction:column;align-items:flex-start;text-align:left;padding:14px 16px}.improve-modal{max-width:100%;width:100%;margin:0;border-radius:var(--radius-lg) var(--radius-lg) 0 0;max-height:92vh;overflow-y:auto;position:fixed;bottom:0;left:0;right:0;animation:improve-slide-up .25s ease-out}.modal-backdrop:has(.improve-modal){align-items:flex-end}}@keyframes improve-slide-up{0%{transform:translateY(100%)}to{transform:translateY(0)}}@media(prefers-reduced-motion:reduce){.improve-modal{animation:none}}.tier-card{position:relative;display:flex;flex-direction:column;background:var(--color-bg-secondary);border:1px solid var(--color-border-light);border-radius:var(--radius-xl);overflow:hidden;transition:border-color .15s,transform .15s,box-shadow .15s}.tier-card:hover{border-color:var(--color-border-strong)}.tier-card__head{padding:20px 22px;border-bottom:1px solid var(--color-border-light)}.tier-card__tag{font-size:var(--fs-xs);font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--color-text-tertiary);margin:0 0 8px}.tier-card__name{font-size:var(--fs-h3);font-weight:700;margin:0 0 10px;letter-spacing:-.01em}.tier-card__meta{display:flex;align-items:baseline;justify-content:center;gap:12px;flex-wrap:wrap}.tier-card__price{font-size:var(--fs-h3);font-weight:700;color:var(--color-accent);font-family:var(--font-mono)}.tier-card__time{font-size:var(--fs-sm);color:var(--color-text-tertiary)}.tier-card__body{flex:1;padding:20px 22px;text-align:left}.tier-card__desc{font-size:var(--fs-sm);color:var(--color-text-secondary);line-height:1.55;margin:0 0 14px}.tier-card__desc-line{display:block}.tier-card__desc-line+.tier-card__desc-line{margin-top:4px}.tier-card__bullets{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.tier-card__bullets li{font-size:var(--fs-sm);color:var(--color-text-secondary);line-height:1.5;position:relative;padding-left:16px}.tier-card__bullets li:before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:999px;background:var(--color-accent)}.tier-card__foot{padding:16px 22px 20px}.tier-card__cta{width:100%;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;background:var(--color-accent);color:var(--color-text-inverse);font-weight:600;font-size:var(--fs-body);border-radius:var(--radius-pill);border:none;cursor:pointer;transition:background .15s,transform .15s}.tier-card__cta:hover{background:var(--color-accent-dark);transform:translateY(-1px)}.tier-card--featured{background:color-mix(in oklab,var(--color-accent) 4%,var(--color-bg-secondary));border-color:color-mix(in oklab,var(--color-accent) 35%,var(--color-border))}.tier-card--featured:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--color-accent);border-radius:var(--radius-xl) 0 0 var(--radius-xl)}.tier-card--compact .tier-card__body{display:none}.tier-card--compact .tier-card__head{padding:14px 16px;border-bottom:none}.tier-card--compact .tier-card__name{font-size:var(--fs-body);margin-bottom:6px}.tier-card--compact .tier-card__price{font-size:var(--fs-body)}.tier-card--compact .tier-card__tag{margin-bottom:6px}.tier-card--compact .tier-card__foot{padding:0 16px 14px}.tier-card--compact .tier-card__cta{padding:9px 14px;font-size:var(--fs-sm)}.tier-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:8px}