/*
Theme Name: CalcSolver Child
Theme URI: https://www.liquidweb.com/software/kadence/
Template: kadence
Author: Kadence WP
Author URI: https://www.liquidweb.com/
Description: Kadence Theme is a lightweight yet full featured WordPress theme for creating beautiful fast loading and accessible websites, easier than ever. It features an easy to use drag and drop header and footer builder to build any type of header in minutes. It features a full library of gorgeous starter templates that are easy to modify with our intelligent global font and color controls. With extensive integration with the most popular 3rd party plugins, you can quickly build impressive ecommerce websites, course websites, business websites, and more.
Tags: translation-ready,accessibility-ready,two-columns,right-sidebar,left-sidebar,footer-widgets,blog,custom-logo,custom-background,custom-menu,rtl-language-support,editor-style,threaded-comments,custom-colors,featured-images,wide-blocks,full-width-template,theme-options,e-commerce
Version: 1.5.2.1793691651
Updated: 2026-11-03 07:40:51

*/


/* ============================================================
   CalcSolver design system — Phase 2 (child theme only)
   ============================================================ */
:root{
  --cs-navy:#0B1B3A;
  --cs-navy2:#0F2A5C;
  --cs-blue:#2F6BFF;
  --cs-cyan:#22D3EE;
  --cs-light:#F6F8FC;
  --cs-green:#16A34A;
  --cs-amber:#D97706;
  --cs-red:#DC2626;
  --cs-text:#16233F;
  --cs-muted:#5A6B8C;
  --cs-border:#DCE4F2;
  --cs-card:#FFFFFF;
  --cs-radius:18px;
  --cs-shadow:0 12px 32px rgba(11,27,58,.14);
}
body{font-family:'Poppins',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;overflow-x:clip;}

/* ---------- Hero (H1, badges, calculator) ---------- */
.cs-hero{position:relative;overflow:hidden;background:linear-gradient(155deg,var(--cs-navy) 0%,var(--cs-navy2) 58%,#143C82 100%);border-radius:24px;padding:34px 22px 30px;color:#fff;}
.cs-hero h1{color:#fff;text-align:center;font-size:clamp(27px,4.4vw,44px);line-height:1.16;font-weight:800;margin:4px auto 10px;max-width:820px;}
.cs-hero .cs-sub{text-align:center;color:#C9D8F6;font-size:16px;line-height:1.6;max-width:640px;margin:0 auto 16px;}
.cs-badges{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:0 auto 22px;}
.cs-badge{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);color:#fff;border-radius:999px;padding:6px 13px;font-size:13px;font-weight:600;line-height:1.3;}
.cs-badge i{font-style:normal;color:var(--cs-cyan);margin-right:5px;}

/* Floating math symbols (pure CSS transform / opacity) */
.cs-symbols{position:absolute;inset:0;pointer-events:none;overflow:hidden;z-index:0;}
.cs-hero .cs-hero-inner,.cs-hero .cs-calc{position:relative;z-index:1;}
.cs-sym{position:absolute;color:rgba(255,255,255,.11);font-weight:700;line-height:1;animation:cs-float 15s ease-in-out infinite;user-select:none;}
@keyframes cs-float{0%,100%{transform:translateY(0) rotate(-4deg);opacity:.55}50%{transform:translateY(-18px) rotate(5deg);opacity:1}}
@media (prefers-reduced-motion:reduce){.cs-sym{animation:none}}

/* ---------- Calculator card ---------- */
.cs-calc{background:var(--cs-card);color:var(--cs-text);border-radius:var(--cs-radius);box-shadow:var(--cs-shadow);padding:20px;max-width:660px;margin:0 auto;}
.cs-calc h2{color:var(--cs-navy);font-size:22px;font-weight:700;margin:0 0 4px;text-align:center;}
.cs-calc .cs-tagline{text-align:center;color:var(--cs-muted);font-size:13.5px;margin:0 0 14px;}
.cs-tools{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:12px;}
.cs-tool{border:1px solid var(--cs-border);background:var(--cs-light);color:var(--cs-navy);border-radius:999px;padding:7px 13px;font-size:13px;font-weight:600;cursor:pointer;font-family:inherit;}
.cs-tool[aria-pressed="true"]{background:var(--cs-navy);color:#fff;border-color:var(--cs-navy);}
.cs-tool:focus-visible,.cs-key:focus-visible,.cs-btn:focus-visible{outline:3px solid var(--cs-cyan);outline-offset:2px;}
.cs-code-row{display:none;margin-bottom:12px;}
.cs-code-row.cs-open{display:block;}
.cs-code-row input{width:100%;border:2px solid var(--cs-blue);border-radius:10px;padding:11px 12px;font-size:16px;font-family:inherit;color:var(--cs-text);background:#fff;}
.cs-code-hint{font-size:12.5px;color:var(--cs-muted);margin-top:6px;text-align:center;}
.cs-display{background:var(--cs-light);border:1px solid var(--cs-border);border-radius:12px;padding:12px 16px;text-align:right;margin-bottom:12px;}
.cs-expr{min-height:26px;font-size:19px;color:var(--cs-muted);word-break:break-all;line-height:1.4;}
.cs-result{min-height:38px;font-size:32px;font-weight:700;color:var(--cs-blue);word-break:break-all;line-height:1.2;}
.cs-keys{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;}
.cs-key{min-height:44px;font-size:17px;font-weight:600;border-radius:10px;border:1px solid var(--cs-border);background:#fff;color:var(--cs-text);cursor:pointer;font-family:inherit;padding:6px 2px;}
.cs-key:hover{background:var(--cs-light);}
.cs-key-fn{background:#EAF1FF;color:var(--cs-navy2);}
.cs-key-op{background:#E3ECFF;color:var(--cs-blue);}
.cs-key-ac{background:#FDECEC;color:var(--cs-red);}
.cs-key-eq{background:var(--cs-blue);color:#fff;border-color:var(--cs-blue);grid-column:span 2;}
.cs-examples{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:14px;}
.cs-example{border:1px dashed var(--cs-border);background:#fff;border-radius:999px;padding:6px 11px;font-size:12.5px;color:var(--cs-navy2);cursor:pointer;font-family:inherit;font-weight:600;}
.cs-example:hover{border-color:var(--cs-blue);color:var(--cs-blue);}
.cs-examples-label{width:100%;text-align:center;font-size:12px;color:var(--cs-muted);margin:2px 0 0;}

/* Dark calculator theme */
.cs-calc.cs-dark{background:#0E2247;color:#EAF0FB;}
.cs-calc.cs-dark h2{color:#fff;}
.cs-calc.cs-dark .cs-tagline{color:#A9BCE0;}
.cs-calc.cs-dark .cs-display{background:#13294F;border-color:#24406E;}
.cs-calc.cs-dark .cs-expr{color:#A9BCE0;}
.cs-calc.cs-dark .cs-result{color:var(--cs-cyan);}
.cs-calc.cs-dark .cs-key{background:#16294D;border-color:#24406E;color:#EAF0FB;}
.cs-calc.cs-dark .cs-key:hover{background:#1B335C;}
.cs-calc.cs-dark .cs-key-fn{background:#1B335C;color:#BFD2F7;}
.cs-calc.cs-dark .cs-key-op{background:#1B335C;color:var(--cs-cyan);}
.cs-calc.cs-dark .cs-key-ac{background:#3A1B22;color:#FCA5A5;}
.cs-calc.cs-dark .cs-key-eq{background:var(--cs-blue);color:#fff;}
.cs-calc.cs-dark .cs-tool{background:#16294D;border-color:#24406E;color:#EAF0FB;}
.cs-calc.cs-dark .cs-tool[aria-pressed="true"]{background:var(--cs-cyan);color:var(--cs-navy);border-color:var(--cs-cyan);}
.cs-calc.cs-dark .cs-example{background:#16294D;border-color:#24406E;color:#BFD2F7;}
.cs-calc.cs-dark .cs-notes textarea{background:repeating-linear-gradient(#0E2247 0 27px,#1B335C 27px 28px);color:#EAF0FB;border-color:#24406E;}
.cs-calc.cs-dark .cs-game{background:#16294D;border-color:#24406E;}
.cs-calc.cs-dark .cs-game h3{color:#fff;}
.cs-calc.cs-dark .cs-game p{color:#A9BCE0;}

/* ---------- Scratch Notes ---------- */
.cs-notes{margin-top:18px;border-top:1px solid var(--cs-border);padding-top:16px;}
.cs-notes h3{font-size:17px;color:var(--cs-navy);margin:0 0 4px;}
.cs-calc.cs-dark .cs-notes h3{color:#fff;}
.cs-notes p{font-size:13px;color:var(--cs-muted);margin:0 0 8px;}
.cs-notes textarea{width:100%;min-height:140px;box-sizing:border-box;background:repeating-linear-gradient(#fff 0 27px,#D7E3F5 27px 28px);line-height:28px;font-size:15px;font-family:inherit;color:var(--cs-text);border:1px solid var(--cs-border);border-radius:12px;padding:4px 12px;resize:vertical;}
.cs-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.cs-btn{border:1px solid var(--cs-border);background:var(--cs-light);color:var(--cs-navy);border-radius:10px;padding:9px 13px;font-size:13.5px;font-weight:600;cursor:pointer;font-family:inherit;}
.cs-btn-primary{background:var(--cs-blue);border-color:var(--cs-blue);color:#fff;}
.cs-btn-danger{color:var(--cs-red);}
.cs-saved{font-size:12.5px;color:var(--cs-green);margin-top:8px;min-height:16px;}

/* ---------- Math Games ---------- */
.cs-games{display:none;margin-top:20px;border-top:1px solid var(--cs-border);padding-top:18px;}
.cs-games.cs-open{display:block;}
.cs-games>h3{font-size:19px;color:var(--cs-navy);text-align:center;margin:0 0 4px;}
.cs-calc.cs-dark .cs-games>h3{color:#fff;}
.cs-games>p{text-align:center;font-size:13.5px;color:var(--cs-muted);margin:0 0 14px;}
.cs-game-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;}
.cs-game{border:1px solid var(--cs-border);border-radius:14px;padding:14px;background:#fff;}
.cs-game h3{font-size:16px;color:var(--cs-navy);margin:0 0 4px;}
.cs-game p{font-size:13px;color:var(--cs-muted);margin:0 0 10px;min-height:36px;}
.cs-game .cs-score{font-size:13px;font-weight:700;color:var(--cs-navy2);margin-bottom:8px;}
.cs-game .cs-best{font-size:12.5px;color:var(--cs-green);font-weight:600;}
.cs-game .cs-q{font-size:19px;font-weight:700;color:var(--cs-navy);margin:8px 0;text-align:center;min-height:26px;}
.cs-calc.cs-dark .cs-game .cs-q{color:#fff;}
.cs-game input{width:100%;box-sizing:border-box;border:1px solid var(--cs-border);border-radius:9px;padding:10px;font-size:16px;font-family:inherit;text-align:center;margin-bottom:8px;}
.cs-game .cs-feedback{font-size:13.5px;font-weight:600;min-height:20px;text-align:center;margin:6px 0;}
.cs-game .cs-feedback.ok{color:var(--cs-green);}
.cs-game .cs-feedback.no{color:var(--cs-red);}
.cs-game .cs-btn{width:100%;margin-top:4px;}
.cs-game .cs-tf{display:flex;gap:8px;}
.cs-game .cs-tf .cs-btn{width:50%;}

/* ---------- Article ---------- */
.cs-article{background:var(--cs-light);border-radius:24px;padding:30px 30px 34px;margin-top:28px;color:var(--cs-text);}
.cs-article h2{color:var(--cs-navy);font-size:26px;line-height:1.3;margin:34px 0 12px;}
.cs-article h2:first-child{margin-top:0;}
.cs-article h3{color:var(--cs-navy2);font-size:19px;margin:22px 0 8px;}
.cs-article p{font-size:16px;line-height:1.75;margin:0 0 14px;}
.cs-article ul,.cs-article ol{font-size:16px;line-height:1.75;margin:0 0 14px;padding-left:24px;}
.cs-article li{margin-bottom:6px;}
.cs-article table{width:100%;border-collapse:collapse;font-size:15px;margin:10px 0 18px;background:#fff;border-radius:12px;overflow:hidden;}
.cs-article th{background:var(--cs-navy);color:#fff;text-align:left;padding:11px 12px;}
.cs-article td{border-top:1px solid var(--cs-border);padding:10px 12px;vertical-align:top;}
.cs-article .cs-answer{background:#fff;border-left:4px solid var(--cs-cyan);border-radius:0 12px 12px 0;padding:12px 16px;margin:0 0 16px;}
.cs-article .cs-callout{background:#EAF1FF;border:1px solid #C9DBFF;border-radius:14px;padding:14px 18px;margin:0 0 16px;}

/* ---------- Mobile ---------- */
@media (max-width:600px){
  .cs-hero{padding:22px 12px 20px;border-radius:16px;}
  .cs-hero h1{font-size:26px;}
  .cs-hero .cs-sub{font-size:14.5px;}
  .cs-calc{padding:14px 12px;border-radius:16px;}
  .cs-keys{gap:6px;}
  .cs-key{min-height:44px;font-size:16px;border-radius:9px;}
  .cs-result{font-size:28px;}
  .cs-expr{font-size:17px;}
  .cs-sym:nth-child(n+7){display:none;}
  .cs-article{padding:22px 16px;border-radius:16px;}
  .cs-article h2{font-size:22px;}
  .cs-article p,.cs-article ul,.cs-article ol{font-size:15.5px;}
  .cs-article table{display:block;overflow-x:auto;}
}