/* Calculator.net-style theme for the suite. Pairs with styles.css component classes. */
:root{
  --c-head:#1f6fb2;        /* classic blue header */
  --c-head-2:#185a91;
  --c-accent:#2e7d32;      /* green action */
  --c-accent-2:#256628;
  --c-link:#15619c;
  --c-bg:#f4f6f8;
  --c-panel:#ffffff;
  --c-border:#d9dee3;
  --c-soft:#eef2f5;
  --c-text:#222;
  --c-muted:#637280;
  --c-result:#fff8e6;      /* soft yellow result box like calculator.net */
  --c-result-bd:#f0d98a;
  --radius:6px;
  --maxw:1080px;
}
html[data-theme="dark"]{
  --c-head:#10324f;--c-head-2:#0c2740;--c-bg:#0f1418;--c-panel:#171d23;--c-border:#2a333c;
  --c-soft:#1c242b;--c-text:#e6eaee;--c-muted:#93a1ad;--c-result:#23252a;--c-result-bd:#3a3f49;--c-link:#7cc0ff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Arial,Helvetica,"Segoe UI",sans-serif;background:var(--c-bg);color:var(--c-text);font-size:15px;line-height:1.5}
a{color:var(--c-link);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}

/* ---------- Header ---------- */
.site-top{background:linear-gradient(180deg,var(--c-head),var(--c-head-2));color:#fff}
.site-top a{color:#fff}
.top-row{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;gap:16px;padding:10px 16px}
.logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:bold;white-space:nowrap}
.logo .mark{background:#fff;color:var(--c-head);width:34px;height:34px;border-radius:7px;display:grid;place-items:center;font-size:20px}
.logo small{display:block;font-size:11px;font-weight:normal;opacity:.85;margin-top:-2px}
.top-search{flex:1;display:flex;max-width:560px;margin:0 auto;position:relative}
.top-search input{flex:1;border:1px solid #fff;border-right:0;border-radius:var(--radius) 0 0 var(--radius);padding:9px 12px;font-size:15px;outline:none;color:#222}
.top-search button{border:0;background:var(--c-accent);color:#fff;padding:0 16px;border-radius:0 var(--radius) var(--radius) 0;cursor:pointer;font-size:15px}
.top-search .sresults{position:absolute;top:42px;left:0;right:0;background:#fff;color:#222;border:1px solid var(--c-border);border-radius:0 0 var(--radius) var(--radius);z-index:60;max-height:340px;overflow:auto;display:none}
.top-search .sresults a{display:block;color:#222;padding:9px 12px;border-bottom:1px solid var(--c-soft)}
.top-search .sresults a:hover{background:var(--c-soft);text-decoration:none}
.top-tools{display:flex;align-items:center;gap:8px}
.top-tools select,.top-tools button{background:rgba(255,255,255,.15);color:#fff;border:1px solid rgba(255,255,255,.4);border-radius:var(--radius);padding:7px 10px;font-size:13px;cursor:pointer}
.top-tools select option{color:#222}

/* nav strip */
.nav-strip{background:rgba(0,0,0,.12)}
.nav-strip .inner{max-width:var(--maxw);margin:0 auto;display:flex;flex-wrap:wrap;gap:2px;padding:0 10px}
.nav-strip a{color:#fff;padding:9px 14px;font-size:14px;font-weight:bold}
.nav-strip a:hover,.nav-strip a.active{background:rgba(255,255,255,.18);text-decoration:none}

/* ---------- Layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:16px}
.breadcrumb{font-size:13px;color:var(--c-muted);margin:4px 0 14px}
.breadcrumb a{color:var(--c-link)}
.layout{display:flex;gap:22px;align-items:flex-start}
.main-col{flex:1;min-width:0}
.side-col{width:280px;flex-shrink:0}
@media(max-width:880px){.layout{flex-direction:column}.side-col{width:100%}}

.page-h1{font-size:26px;margin:0 0 4px;color:var(--c-text)}
.page-sub{color:var(--c-muted);margin:0 0 16px;font-size:15px}

/* calculator panel */
.calc-panel{background:var(--c-panel);border:1px solid var(--c-border);border-top:3px solid var(--c-head);border-radius:var(--radius);padding:18px;margin-bottom:18px}

/* feature toolbar */
.feat-bar{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 16px}
.feat-bar button{background:var(--c-soft);border:1px solid var(--c-border);border-radius:var(--radius);padding:7px 11px;font-size:13px;cursor:pointer;color:var(--c-text);display:inline-flex;align-items:center;gap:6px}
.feat-bar button:hover{background:var(--c-head);color:#fff;border-color:var(--c-head)}

/* content sections */
.section{background:var(--c-panel);border:1px solid var(--c-border);border-radius:var(--radius);padding:18px 20px;margin-bottom:16px}
.section h2{font-size:19px;margin:0 0 12px;padding-bottom:8px;border-bottom:2px solid var(--c-soft);color:var(--c-text)}
.section h3{font-size:16px;margin:16px 0 6px}
.section p{margin:0 0 10px;color:var(--c-text)}
.two-col-list{column-count:2;column-gap:28px}
@media(max-width:560px){.two-col-list{column-count:1}}
.check-list{list-style:none;margin:0;padding:0}
.check-list li{padding:6px 0 6px 26px;position:relative;break-inside:avoid;font-size:14px}
.check-list li:before{content:"\2714";color:var(--c-accent);position:absolute;left:0;font-weight:bold}
.num-list{margin:0;padding-left:22px}
.num-list li{padding:5px 0;break-inside:avoid;font-size:14px}

/* FAQ */
.faq details{border:1px solid var(--c-border);border-radius:var(--radius);margin-bottom:8px;background:var(--c-soft)}
.faq summary{padding:11px 14px;cursor:pointer;font-weight:bold;font-size:15px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary:before{content:"+";display:inline-block;width:18px;color:var(--c-head);font-weight:bold}
.faq details[open] summary:before{content:"\2212"}
.faq .ans{padding:0 14px 13px 32px;color:var(--c-text);font-size:14px}

/* sidebar widgets */
.widget{background:var(--c-panel);border:1px solid var(--c-border);border-radius:var(--radius);margin-bottom:16px;overflow:hidden}
.widget .wt{background:var(--c-soft);padding:10px 14px;font-weight:bold;font-size:14px;border-bottom:1px solid var(--c-border)}
.widget ul{list-style:none;margin:0;padding:6px 0}
.widget li a{display:flex;align-items:center;gap:8px;padding:8px 14px;font-size:14px;color:var(--c-link)}
.widget li a:hover{background:var(--c-soft);text-decoration:none}
.widget .ic{width:20px;text-align:center}

/* homepage hub */
.hub-hero{background:linear-gradient(180deg,var(--c-head),var(--c-head-2));color:#fff;border-radius:var(--radius);padding:30px 24px;margin-bottom:20px;text-align:center}
.hub-hero h1{margin:0 0 8px;font-size:30px}
.hub-hero p{margin:0;opacity:.92}
.cat-block{margin-bottom:22px}
.cat-block h2{font-size:20px;border-left:4px solid var(--c-head);padding-left:10px;margin:0 0 12px}
.tile-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px}
.tile-card{background:var(--c-panel);border:1px solid var(--c-border);border-radius:var(--radius);padding:14px;display:block;transition:.12s;border-top:3px solid transparent}
.tile-card:hover{border-top-color:var(--c-head);box-shadow:0 4px 14px rgba(0,0,0,.08);text-decoration:none;transform:translateY(-2px)}
.tile-card .ic{font-size:26px}
.tile-card h3{margin:6px 0 4px;font-size:16px;color:var(--c-text)}
.tile-card p{margin:0;font-size:13px;color:var(--c-muted)}

/* footer */
.site-foot{background:#1b2733;color:#c4ced8;margin-top:30px;padding:26px 16px}
html[data-theme="dark"] .site-foot{background:#0a0e12}
.foot-inner{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px}
.foot-inner h4{color:#fff;font-size:14px;margin:0 0 10px}
.foot-inner a{color:#c4ced8;display:block;padding:3px 0;font-size:13px}
.foot-bottom{max-width:var(--maxw);margin:18px auto 0;padding-top:14px;border-top:1px solid #33414f;font-size:12px;color:#8b98a6;text-align:center}

/* embed/share modal */
.cs-modal{position:fixed;inset:0;background:rgba(0,0,0,.5);display:none;align-items:center;justify-content:center;z-index:200;padding:16px}
.cs-modal.open{display:flex}
.cs-modal .box{background:var(--c-panel);border-radius:8px;max-width:460px;width:100%;padding:20px}
.cs-modal h3{margin:0 0 10px}
.cs-modal textarea{width:100%;height:90px;border:1px solid var(--c-border);border-radius:var(--radius);padding:8px;font-family:monospace;font-size:12px;background:var(--c-soft);color:var(--c-text)}
.cs-modal .row{display:flex;gap:8px;justify-content:flex-end;margin-top:12px}
.cs-modal button{padding:8px 14px;border-radius:var(--radius);border:1px solid var(--c-border);cursor:pointer;background:var(--c-soft);color:var(--c-text)}
.cs-modal button.primary{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}

/* embed mode (when ?embed=1) hides chrome */
body.embed .site-top,body.embed .site-foot,body.embed .breadcrumb,body.embed .side-col,body.embed .section,body.embed .feat-bar{display:none!important}
body.embed .wrap{padding:8px}

/* ===== data-driven calculator engine layout ===== */
.simplecalc{width:100%}
.cs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;width:100%}
.simplecalc .field{margin:0}
.simplecalc input,.simplecalc select{width:100%;box-sizing:border-box;font-size:16px;min-height:44px;padding:10px 12px;border:1px solid var(--c-border);border-radius:var(--radius);background:var(--c-soft);color:var(--c-text)}
.simplecalc input:focus,.simplecalc select:focus{outline:2px solid var(--c-accent);outline-offset:1px}
.result-area{margin-top:18px}
.kpi-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.kpi-row .kpi{background:var(--c-result,#fff8e1);border:1px solid var(--c-border);border-radius:8px;padding:14px 16px}
html[data-theme="dark"] .kpi-row .kpi{background:rgba(255,255,255,.04)}
.calc-note{margin-top:12px;font-size:13px;color:var(--c-muted,#5a6b7b)}

/* ===== full-size + fluid responsive (mobile, tablet, desktop, dark) ===== */
html{-webkit-text-size-adjust:100%}
body{min-height:100vh;min-height:100dvh}
img,canvas,svg,table{max-width:100%;height:auto}
.wrap{width:100%;box-sizing:border-box}
h1,.page-title{font-size:clamp(1.4rem,4.5vw,2rem);line-height:1.2}
h2{font-size:clamp(1.15rem,3vw,1.5rem)}
.page-sub{font-size:clamp(.95rem,2.4vw,1.05rem)}
.calc-panel{width:100%;box-sizing:border-box;overflow-x:auto}

/* tablet */
@media (max-width:900px){
  .layout,.two-col{grid-template-columns:1fr!important}
  .side-col{margin-top:22px}
  .top-row{flex-wrap:wrap;gap:10px}
  .top-search{order:3;width:100%}
}
/* mobile */
@media (max-width:600px){
  .wrap{padding-left:12px;padding-right:12px}
  .cs-grid{grid-template-columns:1fr}
  .kpi-row{grid-template-columns:1fr 1fr}
  .two-col-list{column-count:1!important}
  .nav-strip .inner{overflow-x:auto;white-space:nowrap;-webkit-overflow-scrolling:touch}
  .nav-strip a{display:inline-block}
  .feat-bar{flex-wrap:wrap}
  .feat-bar button{flex:1 1 auto;min-height:40px}
  .hub-grid,.tile-grid{grid-template-columns:1fr 1fr!important}
  button,.btn{min-height:44px}
}
@media (max-width:380px){
  .kpi-row{grid-template-columns:1fr}
  .hub-grid,.tile-grid{grid-template-columns:1fr!important}
}
/* large desktop: use full width */
@media (min-width:1280px){
  :root{--maxw:1180px}
}
/* respect notches / safe areas on full-size mobile */
@supports(padding:max(0px)){
  .site-top,.wrap,.site-foot{padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right))}
}

/* ===== auth + admin + homepage caps (Request 5) ===== */
.acct-area{display:inline-flex;gap:6px;align-items:center;margin-right:8px}
.acct-link{font-size:13px;color:#fff;text-decoration:none;padding:5px 10px;border-radius:6px;border:1px solid rgba(255,255,255,.4)}
.acct-link.signup{background:var(--c-accent,#2e7d32);border-color:var(--c-accent,#2e7d32)}
.acct-link:hover{background:rgba(255,255,255,.15)}
.auth-card{max-width:480px;margin:18px 0;background:var(--c-card,#fff);border:1px solid var(--c-border,#dde3ea);border-radius:12px;padding:22px}
.auth-card label,.admin-form label{display:block;margin:10px 0;font-weight:600;font-size:14px}
.auth-card input,.admin-form input,.admin-search,.admin-policy,#adPolSel,#adminRoot select{width:100%;padding:9px 11px;border:1px solid var(--c-border,#cdd5df);border-radius:8px;font-size:14px;box-sizing:border-box;background:var(--c-card,#fff);color:inherit}
.btn{display:inline-block;background:var(--c-head,#1f6fb2);color:#fff;border:none;padding:9px 16px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;text-decoration:none;margin-top:8px}
.btn:hover{filter:brightness(1.07)}
.btn.ghost{background:transparent;color:var(--c-head,#1f6fb2);border:1px solid var(--c-head,#1f6fb2)}
.btn.sm{padding:5px 10px;font-size:12.5px}
.auth-msg{margin-top:10px;font-size:13.5px;min-height:18px}
.auth-msg.ok{color:#2e7d32}.auth-msg.err{color:#c62828}
.muted{color:var(--c-muted,#6b7682);font-size:13.5px}
.admin-bar{display:flex;justify-content:space-between;align-items:center;background:var(--c-head,#1f6fb2);color:#fff;padding:12px 16px;border-radius:10px;margin:14px 0}
.admin-tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:14px}
.atab{background:var(--c-card,#fff);border:1px solid var(--c-border,#dde3ea);padding:8px 14px;border-radius:8px;cursor:pointer;font-size:14px;font-weight:600;color:inherit}
.atab.active{background:var(--c-head,#1f6fb2);color:#fff;border-color:var(--c-head,#1f6fb2)}
.admin-toolctl{display:flex;gap:10px;flex-wrap:wrap;align-items:center;justify-content:space-between;margin:10px 0}
.admin-search{flex:1;min-width:200px}
.admin-tool-list{max-height:540px;overflow:auto;border:1px solid var(--c-border,#dde3ea);border-radius:10px;margin-top:8px}
.admin-row{display:flex;align-items:center;gap:10px;padding:9px 12px;border-bottom:1px solid var(--c-border,#eef1f5);font-size:14px;cursor:pointer}
.admin-row:hover{background:rgba(31,111,178,.06)}
.ar-ic{width:22px;text-align:center}.ar-name{flex:1}.ar-cat{font-size:12px;color:var(--c-muted,#6b7682)}
.admin-policy{font-family:monospace;font-size:13px}
.admin-users{width:100%;border-collapse:collapse;font-size:14px;margin-top:8px}
.admin-users th,.admin-users td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--c-border,#eef1f5)}
.cat-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.view-all{font-size:13.5px;color:var(--c-head,#1f6fb2);text-decoration:none;font-weight:600;white-space:nowrap}
.view-all:hover{text-decoration:underline}
.foot-cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:2px 14px}
.tool-img .img-preview{margin-top:12px}
.tool-img input[type=file]{display:block;margin:6px 0}
.dl-btn{margin-top:12px}
@media(max-width:600px){.admin-bar{flex-direction:column;gap:8px;align-items:flex-start}.acct-area{margin:0}}