/* ============================================================
   SORFINA — Core Stylesheet (CLS-safe, de-duplicated)
   Dark + Light themes · Single right sidebar · Responsive
   Tool-specific CSS (date-calculator, fuel-cost, square-footage,
   compound-interest, time-zone) lives in /assets/css/tools/*.css
   and is loaded per page via $__extraCss in header.php.
   ============================================================ */

/* ---------- 1. TOKENS ---------- */
:root{
  --bg:#0b0e14;--bg-soft:#10141c;--bg-elevated:#151a24;--surface:#161b26;--surface-hover:#1c2230;
  --fg:#eef1f6;--fg-soft:#c3cad6;--muted:#a8b2c1;--border:#232a37;--border-soft:#1b2230;
  --accent:#6d8bff;--accent-hover:#5a7bff;--accent-soft:rgba(109,139,255,.12);--accent-fg:#fff;
  --shadow-sm:0 1px 2px rgba(0,0,0,.25);--shadow-md:0 4px 16px rgba(0,0,0,.28);--shadow-lg:0 12px 40px rgba(0,0,0,.35);
  --radius-sm:8px;--radius:12px;--radius-lg:18px;--radius-pill:999px;
  --ring:0 0 0 3px rgba(109,139,255,.35);--transition:180ms cubic-bezier(.4,0,.2,1);
  --max-width:1120px;--header-h:64px;

  /* Ad slot geometry — single source of truth (CLS) */
  --ad-pad:10px;
  --ad-side-w:300px;--ad-side-h:600px;          /* desktop sidebar: 300x600 */
  --ad-inline-h:280px;                           /* inline + mobile: fits 300x250 and 336x280 */
  --sidebar-col:322px;                           /* 300 + 2*10 padding + 2 border */
  color-scheme:dark;
}
html[data-theme="light"]{
  --bg:#f7f8fc;--bg-soft:#fff;--bg-elevated:#fff;--surface:#fff;--surface-hover:#f2f4f9;
  --fg:#0f172a;--fg-soft:#334155;--muted:#4a5568;--border:#e5e8f0;--border-soft:#eef1f7;
  --accent:#3b5bfd;--accent-hover:#2b48e0;--accent-soft:rgba(59,91,253,.08);
  --shadow-sm:0 1px 2px rgba(15,23,42,.06);--shadow-md:0 4px 16px rgba(15,23,42,.08);--shadow-lg:0 12px 40px rgba(15,23,42,.12);
  --ring:0 0 0 3px rgba(59,91,253,.25);
  color-scheme:light;
}

/* ---------- 2. RESET ---------- */
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%;scrollbar-gutter:stable}
body{margin:0;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;display:flex;flex-direction:column}
img,svg,video{max-width:100%;display:block}
img{height:auto}
button{font:inherit}
a{color:var(--accent);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--accent-hover)}
.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}

/* ---------- 3. CONTAINERS ---------- */
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 20px}
main{flex:1;padding:40px 0 80px}
.skip-link{position:absolute;left:-9999px;top:0;z-index:1000}
.skip-link:focus{left:16px;top:16px;padding:10px 16px;background:var(--accent);color:var(--accent-fg);border-radius:var(--radius);font-weight:600}

/* ---------- 4. HEADER (fixed height = no shift) ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--bg-soft);border-bottom:1px solid var(--border-soft)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:var(--header-h);padding:10px 0;flex-wrap:nowrap;min-width:0}
.logo{display:inline-flex;align-items:center;flex-shrink:0;text-decoration:none}
.logo-img{display:block;height:36px;width:auto;aspect-ratio:160/42;max-width:140px;object-fit:contain;flex-shrink:0}
.main-nav{display:flex;align-items:center;gap:0;flex-wrap:nowrap;flex:0 1 auto;min-width:0;overflow:hidden}
.main-nav a{color:var(--muted);font-size:.85rem;font-weight:500;padding:6px 8px;border-radius:var(--radius-sm);transition:background var(--transition),color var(--transition);white-space:nowrap;flex-shrink:0}
.main-nav a:hover{color:var(--fg);background:var(--surface-hover)}
.header-controls{display:flex;align-items:center;gap:6px;flex-shrink:0}

/* Theme switch */
.theme-switch{background:none;border:0;padding:0;cursor:pointer;display:inline-flex;align-items:center;border-radius:var(--radius-pill)}
.theme-switch:focus-visible{outline:none;box-shadow:var(--ring)}
.theme-switch-track{position:relative;display:inline-block;width:56px;height:30px;border-radius:var(--radius-pill);background:var(--surface);border:1px solid var(--border);overflow:hidden;transition:border-color var(--transition)}
.theme-switch:hover .theme-switch-track{border-color:var(--accent)}
.theme-switch-thumb{position:absolute;top:2px;left:2px;width:24px;height:24px;border-radius:50%;background:linear-gradient(135deg,var(--accent) 0%,#a78bfa 100%);box-shadow:0 2px 6px rgba(0,0,0,.25);transition:transform 260ms cubic-bezier(.4,0,.2,1);z-index:2}
.theme-switch-icon{position:absolute;top:50%;transform:translateY(-50%);font-size:11px;line-height:1;z-index:1;pointer-events:none;user-select:none;transition:opacity var(--transition)}
.theme-switch-icon-moon{right:8px;opacity:1}
.theme-switch-icon-sun{left:8px;opacity:.3}
html[data-theme="light"] .theme-switch-thumb{transform:translateX(26px)}
html[data-theme="light"] .theme-switch-icon-moon{opacity:.3}
html[data-theme="light"] .theme-switch-icon-sun{opacity:1}

/* Hamburger */
.nav-toggle{display:none;align-items:center;justify-content:center;background:var(--surface);border:1px solid var(--border);color:var(--fg);width:40px;height:40px;border-radius:var(--radius-sm);cursor:pointer;font-size:1.15rem;line-height:1;transition:border-color var(--transition),color var(--transition)}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent)}
.nav-toggle:focus-visible{outline:none;box-shadow:var(--ring)}

/* ---------- 5. HEADER SEARCH ---------- */
.header-search{position:relative;flex:0 1 200px;min-width:150px;max-width:240px;margin:0 6px}
.header-search-form{position:relative;display:flex;align-items:center;width:100%}
.header-search-input{width:100%;height:42px;min-height:42px;padding:8px 78px 8px 38px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);color:var(--fg);font-size:.9rem;font-family:inherit;transition:border-color .15s,box-shadow .15s,background .15s}
.header-search-input::placeholder{color:var(--muted);opacity:1}
.header-search-input:focus{outline:none;border-color:var(--accent);background:var(--bg-elevated);box-shadow:var(--ring)}
.header-search-input::-webkit-search-cancel-button,.header-search-input::-webkit-search-decoration{-webkit-appearance:none;appearance:none}
.header-search-btn{position:absolute;left:10px;top:50%;transform:translateY(-50%);width:22px;height:22px;padding:0;border:0;background:transparent;color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center}
.header-search-btn:hover{color:var(--accent)}
.header-search-clear{position:absolute;right:10px;top:50%;transform:translateY(-50%);width:24px;height:24px;padding:0;border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:.85rem;line-height:1;border-radius:50%;display:flex;align-items:center;justify-content:center}
.header-search-clear:hover{background:var(--surface-hover);color:var(--fg)}
.header-search-results{position:absolute;top:calc(100% + 8px);left:0;right:0;z-index:60;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);overflow:hidden auto;max-height:460px}
.header-search-item{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 16px;text-decoration:none;color:var(--fg);border-bottom:1px solid var(--border-soft);transition:background .1s}
.header-search-item:last-of-type{border-bottom:0}
.header-search-item:hover,.header-search-item.is-active{background:var(--surface-hover);color:var(--accent)}
.header-search-item-title{font-size:.9rem;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.header-search-item-title mark{background:rgba(255,210,100,.35);color:inherit;padding:0 1px;border-radius:3px}
html[data-theme="light"] .header-search-item-title mark{background:#ffe9a8;color:#4a3c00}
.header-search-item-cat{flex:0 0 auto;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);background:var(--surface);padding:3px 8px;border-radius:var(--radius-pill)}
.header-search-all{display:block;padding:12px 16px;text-align:center;font-size:.85rem;font-weight:600;color:var(--accent);background:var(--bg-soft);border-top:1px solid var(--border);text-decoration:none}
.header-search-all:hover{background:var(--surface-hover);color:var(--accent-hover)}
.header-search-empty{padding:16px;text-align:center;color:var(--muted);font-size:.9rem}

/* Mobile search lives inside the drawer */
.header-search-mobile{display:none;flex:1 1 auto;min-width:0;max-width:none;margin:0 0 18px;position:relative}
.header-search-mobile .header-search-form{width:100%}
.header-search-mobile .header-search-input{height:46px;min-height:46px;font-size:1rem;padding:10px 44px 10px 42px}
.header-search-mobile .header-search-results{position:static;margin-top:8px;max-height:320px;box-shadow:0 4px 16px rgba(0,0,0,.08)}

/* Search results page */
.search-page-form{display:flex;gap:10px;margin:20px 0;max-width:560px}
.search-page-input{flex:1;height:50px;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius);font-size:1rem;font-family:inherit;background:var(--bg-elevated);color:var(--fg);transition:border-color var(--transition),box-shadow var(--transition)}
.search-page-input:focus{outline:none;border-color:var(--accent);box-shadow:var(--ring)}
.search-page-btn{height:50px;padding:0 24px;border-radius:var(--radius);border:1px solid var(--accent);background:var(--accent);color:var(--accent-fg);font-weight:600;font-size:.95rem;cursor:pointer;font-family:inherit;white-space:nowrap;transition:background var(--transition)}
.search-page-btn:hover{background:var(--accent-hover);border-color:var(--accent-hover)}
.search-count{color:var(--fg-soft);font-size:.95rem;margin:8px 0 20px}
.search-results-grid{list-style:none;padding:0;margin:20px 0 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.search-result-item{margin:0}
.search-result-link{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);text-decoration:none;color:var(--fg);min-height:44px;transition:border-color var(--transition),background var(--transition),transform var(--transition),box-shadow var(--transition)}
.search-result-link:hover{border-color:var(--accent);background:var(--surface-hover);transform:translateY(-1px);box-shadow:var(--shadow-md);color:var(--fg)}
.search-result-title{font-size:.95rem;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.search-result-cat{flex:0 0 auto;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);background:var(--surface-hover);padding:3px 8px;border-radius:var(--radius-pill)}

/* ---------- 6. DRAWER ---------- */
.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:90;opacity:0;transition:opacity 240ms ease}
.drawer-overlay.is-visible{opacity:1}
.tools-drawer{position:fixed;top:0;right:0;bottom:0;width:100%;max-width:480px;background:var(--bg-soft);border-left:1px solid var(--border);z-index:100;display:flex;flex-direction:column;transform:translateX(100%);transition:transform 300ms cubic-bezier(.4,0,.2,1),visibility 0s linear 300ms;box-shadow:var(--shadow-lg);overflow:hidden;visibility:hidden}
.tools-drawer.is-open{transform:translateX(0);visibility:visible;transition:transform 300ms cubic-bezier(.4,0,.2,1),visibility 0s}
.drawer-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:18px 22px;border-bottom:1px solid var(--border-soft);background:var(--bg-soft);flex-shrink:0}
.drawer-title{margin:0;font-size:1.1rem;font-weight:700;letter-spacing:-.01em}
.drawer-directory-link{display:inline-block;margin-top:2px;font-size:.78rem;color:var(--muted)}
.drawer-directory-link:hover{color:var(--accent)}
.drawer-close{background:var(--surface);border:1px solid var(--border);color:var(--fg);width:36px;height:36px;border-radius:var(--radius-sm);cursor:pointer;font-size:1rem;line-height:1;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;transition:border-color var(--transition),color var(--transition)}
.drawer-close:hover{border-color:var(--accent);color:var(--accent)}
.drawer-close:focus-visible{outline:none;box-shadow:var(--ring)}
.drawer-body{flex:1;overflow-y:auto;padding:20px 22px 40px;-webkit-overflow-scrolling:touch}
.drawer-nav{display:flex;flex-direction:column;gap:2px;padding:8px 0 16px;margin-bottom:12px;border-bottom:1px solid var(--border-soft)}
.drawer-nav a{padding:10px 12px;border-radius:var(--radius-sm);color:var(--fg-soft);font-size:.95rem;font-weight:500;transition:background var(--transition),color var(--transition),padding var(--transition)}
.drawer-nav a:hover{background:var(--surface-hover);color:var(--accent);padding-left:16px}
.drawer-group{margin-bottom:26px}
.drawer-group:last-child{margin-bottom:0}
.drawer-group-title{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin:0 0 10px;font-weight:700;padding-bottom:6px;border-bottom:1px solid var(--border-soft)}
.drawer-list{list-style:none;padding:0;margin:0;display:grid;gap:4px}
.drawer-list a{display:block;padding:9px 12px;border-radius:var(--radius-sm);color:var(--fg-soft);font-size:.92rem;font-weight:500;transition:background var(--transition),color var(--transition),padding var(--transition)}
.drawer-list a:hover{background:var(--surface-hover);color:var(--accent);padding-left:16px}
body.drawer-open{overflow:hidden}

/* ---------- 7. LAYOUT: main + right sidebar ---------- */
.layout-grid{display:grid;grid-template-columns:minmax(0,1fr) var(--sidebar-col);gap:32px;align-items:start;margin:24px 0 48px}
.layout-main{min-width:0}
.layout-sidebar{width:var(--sidebar-col);min-width:0;position:relative}
.sidebar-sticky{position:sticky;top:calc(var(--header-h) + 24px);display:flex;flex-direction:column;gap:20px}
.sidebar-promo{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:16px 18px}
.sidebar-promo-title{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin:0 0 10px;color:var(--muted)}
.sidebar-promo-list{list-style:none;padding:0;margin:0}
.sidebar-promo-list li{padding:6px 0;border-bottom:1px solid var(--border-soft)}
.sidebar-promo-list li:last-child{border-bottom:0}
.sidebar-promo-list a{color:var(--fg-soft);font-size:.9rem;font-weight:500;display:block;padding:4px 0}
.sidebar-promo-list a:hover{color:var(--accent)}

/* ---------- 8. AD SLOTS — fixed boxes, zero layout shift ----------
   The box size NEVER depends on whether the ad loads, fails or is unfilled.
   ------------------------------------------------------------------ */
.sidebar-ad{box-sizing:content-box;display:flex;align-items:center;justify-content:center;width:var(--ad-side-w);height:var(--ad-side-h);padding:var(--ad-pad);background:var(--surface);border:1px solid var(--border);border-radius:10px;overflow:hidden;flex-shrink:0;contain:layout paint style}
.sidebar-ad ins.adsbygoogle{display:block!important;width:var(--ad-side-w)!important;height:var(--ad-side-h)!important;min-height:0!important;max-height:var(--ad-side-h)!important}

.ad-container{box-sizing:content-box;display:flex;align-items:center;justify-content:center;width:calc(100% - 2*var(--ad-pad) - 2px);height:var(--ad-inline-h);margin:2em 0;padding:var(--ad-pad);background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;contain:layout paint style}
.ad-container ins.adsbygoogle{display:block!important;width:100%!important;height:var(--ad-inline-h)!important;min-height:0!important;max-height:var(--ad-inline-h)!important}

.sidebar-ad ins.adsbygoogle iframe,.ad-container ins.adsbygoogle iframe{display:block;max-width:100%;border:0}
ins.adsbygoogle[data-ad-status="unfilled"]{visibility:hidden}   /* keep space, hide blank */

/* ---------- 9. TYPOGRAPHY ---------- */
h1,h2,h3,h4{font-weight:700;letter-spacing:-.02em;line-height:1.25;color:var(--fg);margin:1.5em 0 .5em}
h1{font-size:clamp(1.75rem,4vw + 1rem,2.5rem);margin-top:.2em}
h2{font-size:clamp(1.35rem,2vw + 1rem,1.75rem)}
h3{font-size:1.15rem}
p{margin:0 0 1em;color:var(--fg-soft)}
.lead{font-size:1.1rem;color:var(--muted);margin-bottom:1.5em;line-height:1.6}
small{font-size:.85rem;color:var(--muted)}

/* ---------- 10. HERO ---------- */
.hero{text-align:center;padding:40px 0 56px;position:relative}
.hero h1{font-size:clamp(2rem,5vw + 1rem,3.25rem);margin:0 0 .5em}
.hero p{font-size:clamp(1rem,1.5vw + .8rem,1.2rem);color:var(--fg-soft);max-width:640px;margin:0 auto 2em}

/* ---------- 11. BUTTONS ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--fg);font-size:.95rem;font-weight:600;cursor:pointer;transition:border-color var(--transition),background var(--transition),transform var(--transition),box-shadow var(--transition);white-space:nowrap;line-height:1.2;text-decoration:none;min-height:44px}
.btn:hover{border-color:var(--accent);transform:translateY(-1px);box-shadow:var(--shadow-sm);color:var(--fg)}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:none;box-shadow:var(--ring)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-fg);box-shadow:0 4px 14px var(--accent-soft)}
.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:var(--accent-fg);box-shadow:0 8px 22px var(--accent-soft)}
.btn-lg{padding:14px 28px;font-size:1.05rem;min-height:48px}
.btn-sm{padding:8px 14px;font-size:.85rem;min-height:38px}
.button-row{display:flex;flex-wrap:wrap;gap:10px;margin:1em 0}

/* ---------- 12. FORMS ---------- */
.tool-form{display:grid;gap:16px;max-width:560px;margin:1.5em 0;padding:24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}
.tool-form label{display:flex;flex-direction:column;gap:8px;font-size:.9rem;font-weight:500;color:var(--fg-soft)}
input,select,textarea{width:100%;background:var(--bg-elevated);border:1px solid var(--border);color:var(--fg);padding:12px 14px;border-radius:var(--radius);font-size:1rem;font-family:inherit;transition:border-color var(--transition),box-shadow var(--transition);min-height:44px}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:var(--ring)}
textarea{min-height:120px;resize:vertical}
input[type="checkbox"]{width:auto;min-height:auto;margin-right:8px;accent-color:var(--accent);vertical-align:middle}
label:has(> input[type="checkbox"]){flex-direction:row;align-items:center;cursor:pointer}

/* ---------- 13. RESULT BOX ---------- */
.result-box{margin:1.5em 0;padding:24px;background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}
.result-content{font-size:1.05rem;line-height:1.75;color:var(--fg);word-break:break-word}
.result-content strong{font-size:1.3em;color:var(--accent);display:block;margin-bottom:.3em}
.result-actions{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}

/* ---------- 14. BREADCRUMBS ---------- */
.breadcrumbs{margin:0 0 1.5em;font-size:.85rem;min-height:1.4em}
.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0;color:var(--muted)}
.breadcrumbs li{display:flex;align-items:center;gap:6px}
.breadcrumbs li+li::before{content:"›";color:var(--muted);opacity:.6}
.breadcrumbs a{color:var(--muted)}
.breadcrumbs a:hover{color:var(--accent)}
.breadcrumbs [aria-current="page"]{color:var(--fg-soft);font-weight:500}

/* ---------- 15. TOOL GRID ---------- */
.tool-grid{list-style:none;padding:0;margin:1.5em 0;display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.tool-grid a{display:block;padding:18px 20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--fg);font-weight:500;min-height:44px;transition:border-color var(--transition),background var(--transition),transform var(--transition),box-shadow var(--transition)}
.tool-grid a:hover{border-color:var(--accent);background:var(--surface-hover);transform:translateY(-2px);box-shadow:var(--shadow-md);color:var(--fg)}

/* ---------- 16. TOOL PAGE ---------- */
.tool-page{max-width:100%;min-width:0}
.tool-page h1{margin-top:.5em;margin-bottom:.6em}
.direct-answer{padding:20px 24px;margin:1.5em 0;background:var(--accent-soft);border-left:4px solid var(--accent);border-radius:var(--radius);font-size:1.05rem;color:var(--fg-soft);line-height:1.7}
.direct-answer p{margin:0;color:inherit}
.trust-pillars{display:flex;flex-wrap:wrap;gap:10px;margin:1.5em 0;font-size:.85rem}
.trust-pillars span{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-pill);color:var(--fg-soft);font-weight:500}
.tool-byline{font-size:.88rem;color:var(--muted);margin:0 0 2em;padding-bottom:1.5em;border-bottom:1px solid var(--border-soft)}
.tool-byline a{color:var(--accent);font-weight:500}
.tool-ui{margin:2em 0}
.tool-page section{margin:2.5em 0}
.tool-page section h2{padding-bottom:.4em;border-bottom:1px solid var(--border-soft)}
.tool-page ol,.tool-page ul{padding-left:1.4em;color:var(--fg-soft)}
.tool-page ol li,.tool-page ul li{margin-bottom:.5em}
.worked-example{padding:18px 22px;background:var(--surface);border-left:4px solid var(--accent);border-radius:var(--radius);font-family:ui-monospace,'SF Mono',Menlo,Consolas,monospace;font-size:.95rem;color:var(--fg-soft);line-height:1.7;overflow-x:auto}
.worked-example p{margin:0;color:inherit}

/* ---------- 17. FAQ ---------- */
.faq{margin:2.5em 0}
.faq h2{padding-bottom:.4em;border-bottom:1px solid var(--border-soft)}
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:10px;overflow:hidden;transition:border-color var(--transition)}
.faq details[open]{border-color:var(--accent)}
.faq summary{cursor:pointer;font-weight:600;padding:16px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--fg);list-style:none;min-height:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;font-weight:300;color:var(--accent);transition:transform var(--transition);line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 20px 18px;margin:0;color:var(--fg-soft);line-height:1.7}

/* ---------- 18. RELATED / PRIVACY ---------- */
.related-tools{margin:2.5em 0}
.related-tools h2{padding-bottom:.4em;border-bottom:1px solid var(--border-soft)}
.related-tools ul{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin:1em 0}
.related-tools a{display:flex;align-items:center;min-height:44px;padding:12px 16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--fg);font-weight:500;transition:border-color var(--transition),background var(--transition),transform var(--transition)}
.related-tools a:hover{border-color:var(--accent);background:var(--surface-hover);transform:translateY(-2px);color:var(--fg)}
.privacy-note{padding:18px 22px;background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);margin:2em 0}
.privacy-note h2{font-size:1rem;margin-top:0;border:0;padding:0;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.privacy-note p{margin:0;font-size:.9rem;color:var(--fg-soft)}
.last-updated{font-size:.82rem;color:var(--muted);text-align:center;margin-top:3em;padding-top:2em;border-top:1px solid var(--border-soft)}

/* ---------- 19. FOOTER ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--border-soft);padding:40px 0 30px;margin-top:60px;font-size:.88rem;color:var(--muted)}
.footer-inner{display:flex;flex-direction:column;gap:20px;align-items:center;text-align:center}
.footer-brand{display:flex;flex-direction:column;gap:10px;align-items:center}
.footer-section{margin-top:4px}
.footer-heading{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin:0 0 6px;font-weight:700}
.footer-links{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px}
.footer-links a{display:inline-flex;align-items:center;min-height:44px;padding:10px 14px;margin:-4px 0;border-radius:8px;color:var(--accent);font-weight:500;font-size:.9rem;transition:background .15s ease}
.footer-links a:hover{background:var(--surface-hover);text-decoration:none}
.footer-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 18px}
.footer-nav a{color:var(--muted);min-height:44px;padding:12px 8px;display:inline-flex;align-items:center}
.footer-nav a:hover{color:var(--accent)}

/* ---------- 20. UTILITY BLOCKS ---------- */
.json-output{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;white-space:pre-wrap;word-break:break-word;min-height:60px;font-family:ui-monospace,'SF Mono',Menlo,Consolas,monospace;font-size:.9rem;color:var(--fg-soft);overflow-x:auto}
code{background:var(--bg-elevated);padding:2px 7px;border-radius:5px;font-size:.88em;font-family:ui-monospace,'SF Mono',Menlo,Consolas,monospace;word-break:break-word;color:var(--fg)}
.countdown-display{font-size:clamp(1.5rem,4vw + 1rem,2.5rem);font-weight:700;margin-top:1em;text-align:center;color:var(--accent);font-variant-numeric:tabular-nums}
.qr-output{margin-top:1em;text-align:center}
.qr-output canvas{display:inline-block;padding:16px;background:#fff;border-radius:var(--radius)}

/* ---------- 21. TOOL MEMORY PANEL (fixed — never shifts layout) ---------- */
.tool-memory-panel{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:70;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-pill);padding:10px 14px 10px 18px;box-shadow:var(--shadow-lg);font-size:.85rem;color:var(--fg-soft);animation:toolMemorySlideUp .3s ease-out;max-width:calc(100vw - 32px);pointer-events:auto}
.tool-memory-panel-dismissed{opacity:0;transform:translateX(-50%) translateY(8px);transition:opacity .3s ease,transform .3s ease}
@keyframes toolMemorySlideUp{from{opacity:0;transform:translateX(-50%) translateY(12px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
.tool-memory-row{display:flex;align-items:center;gap:10px;flex-wrap:nowrap}
.tool-memory-icon{font-size:1rem;line-height:1;flex-shrink:0}
.tool-memory-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.tool-memory-btn{background:var(--surface);border:1px solid var(--border);color:var(--fg);font-size:.78rem;font-weight:600;padding:6px 12px;border-radius:var(--radius-pill);cursor:pointer;font-family:inherit;transition:border-color var(--transition),color var(--transition),background var(--transition);flex-shrink:0;min-height:30px}
.tool-memory-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--surface-hover)}
.tool-memory-btn:focus-visible{outline:none;box-shadow:var(--ring)}
.tool-memory-btn-ghost{background:transparent;border-color:transparent;color:var(--muted);padding:4px 8px;font-size:.85rem;min-width:30px;display:inline-flex;align-items:center;justify-content:center}
.tool-memory-btn-ghost:hover{background:var(--surface-hover);color:var(--fg);border-color:transparent}
html[data-theme="light"] .tool-memory-panel{background:#fff;border-color:#e5e8f0;color:#334155}
html[data-theme="light"] .tool-memory-btn{background:#f7f8fc;border-color:#e5e8f0;color:#0f172a}
html[data-theme="light"] .tool-memory-btn:hover{border-color:#3b5bfd;color:#3b5bfd;background:#f2f4f9}
html[data-theme="light"] .tool-memory-btn-ghost{background:transparent;color:#4a5568}
html[data-theme="light"] .tool-memory-btn-ghost:hover{background:#f2f4f9;color:#0f172a}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (min-width:768px){
  .footer-inner{flex-direction:row;justify-content:space-between;text-align:left}
  .footer-brand{align-items:flex-start}
  .footer-links{justify-content:flex-start}
  .footer-nav{justify-content:flex-end}
}

/* Header: inline nav -> hamburger */
@media (max-width:1100px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-search{flex:1 1 auto;max-width:none;min-width:200px}
}
@media (max-width:1024px){ .header-search{flex:0 1 220px;min-width:140px} }
@media (max-width:900px){
  .header-search{flex:0 1 170px;min-width:120px}
  .header-search-input{font-size:.85rem;padding-left:34px;padding-right:56px}
}
/* Search moves into drawer */
@media (max-width:780px){
  .header-search:not(.header-search-mobile){display:none!important}
  .header-search-mobile{display:block}
}

/* Sidebar drops below content: same fixed-height ads, full width */
@media (max-width:1023px){
  .layout-grid{display:flex;flex-direction:column;gap:24px;margin:16px 0 32px}
  .layout-main{order:1;width:100%;max-width:100%}
  .layout-sidebar{order:2;width:100%;display:block}
  .sidebar-sticky{position:static;top:auto;gap:16px}
  .sidebar-ad{box-sizing:content-box;width:calc(100% - 2*var(--ad-pad) - 2px);height:var(--ad-inline-h);margin:0 auto}
  .sidebar-ad ins.adsbygoogle{width:100%!important;height:var(--ad-inline-h)!important;max-height:var(--ad-inline-h)!important}
}

@media (max-width:640px){
  .container{padding:0 16px}
  main{padding:24px 0 60px}
  .tool-form{padding:18px;border-radius:var(--radius)}
  .direct-answer{padding:16px 18px;font-size:1rem}
  .result-box{padding:18px}
  .result-content strong{font-size:1.15em}
  .tool-grid,.related-tools ul{grid-template-columns:1fr}
  .hero{padding:24px 0 40px}
  .theme-switch-track{width:50px;height:28px}
  .theme-switch-thumb{width:22px;height:22px}
  html[data-theme="light"] .theme-switch-thumb{transform:translateX(22px)}
  .tools-drawer{max-width:100%}
  .search-page-form{flex-direction:column}
  .search-page-btn{width:100%}
  .search-results-grid{grid-template-columns:1fr}
  .header-search-mobile .header-search-input{height:44px;min-height:44px;font-size:.95rem;padding:8px 40px 8px 38px}
  .tool-memory-panel{left:16px;right:16px;transform:none;border-radius:var(--radius);padding:12px 14px;bottom:16px;max-width:none}
  .tool-memory-panel-dismissed{transform:translateY(8px)}
  .tool-memory-row{gap:8px}
  .tool-memory-text{white-space:normal;font-size:.8rem;line-height:1.35}
  .tool-memory-btn{font-size:.75rem;padding:5px 10px}
  @keyframes toolMemorySlideUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
}
@media (max-width:480px){
  .header-search-mobile{margin-bottom:14px}
  .header-search-item{padding:10px 12px}
  .header-search-item-title{font-size:.88rem}
  .header-search-item-cat{font-size:.65rem;padding:2px 6px}
  .header-search-all{font-size:.8rem;padding:10px 12px}
}

/* Reduced motion */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .tool-memory-panel,.tool-memory-panel-dismissed{animation:none;transition:none}
}