/* Layout: one centered column; controls on top, then tables in the order the client pays */
:root{
  --bg:#f5f7f6; --surface:#ffffff; --fg:#17262b; --muted:#5b6b70; --line:#dbe3e2;
  --accent:#1f5a66; --accent-soft:#e3eef0; --gold:#a8791f; --gold-soft:#f6eedc; --on-accent:#ffffff;
  --display:"Readex Pro","IBM Plex Sans Arabic",Tahoma,sans-serif;
  --body:"IBM Plex Sans Arabic",Tahoma,"Segoe UI",sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0f1719; --surface:#162226; --fg:#e4ecec; --muted:#9aabaf; --line:#2a393d;
  --accent:#7fc3cf; --accent-soft:#1d3238; --gold:#e0b45c; --gold-soft:#2e2717; --on-accent:#0f1719; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0f1719; --surface:#162226; --fg:#e4ecec; --muted:#9aabaf; --line:#2a393d;
  --accent:#7fc3cf; --accent-soft:#1d3238; --gold:#e0b45c; --gold-soft:#2e2717; --on-accent:#0f1719; color-scheme:dark}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--body);font-size:16px;line-height:1.7;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:24px 48px}
.wrap{max-width:880px;margin:0 auto;display:grid;gap:28px}
h1,h2{font-family:var(--display);text-wrap:balance;margin:0;line-height:1.35}
h1{font-size:1.75rem;color:var(--accent)}
h2{font-size:1.2rem;display:flex;gap:10px;align-items:baseline}
h2 .n{color:var(--gold);font-variant-numeric:tabular-nums}
p{margin:0}
.lead{color:var(--muted)}
section{display:grid;gap:12px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px}
.controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}
label{display:grid;gap:4px;font-size:.9rem;color:var(--muted);font-weight:500}
select,input{font:inherit;color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 10px;min-width:0}
select:focus,input:focus{outline:2px solid var(--accent);outline-offset:1px}
.check{display:flex;gap:8px;align-items:center;color:var(--fg)}
.tbl{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:10px}
table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums;min-width:420px}
th,td{padding:9px 12px;text-align:right;border-bottom:1px solid var(--line);white-space:nowrap}
th{font-weight:700;background:var(--accent-soft);color:var(--accent);font-size:.9rem}
tr:last-child td{border-bottom:0}
td.num{text-align:left}
tr.total td{font-weight:700;background:var(--gold-soft)}
tr.hl td{font-weight:700;color:var(--accent)}
.note{font-size:.88rem;color:var(--muted)}
.big{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.big div{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.big b{display:block;font-family:var(--display);font-size:1.35rem;color:var(--accent);font-variant-numeric:tabular-nums}
.big span{font-size:.85rem;color:var(--muted)}
ul{margin:0;padding-inline-start:20px;display:grid;gap:6px}
.tag{font-size:.8rem;background:var(--gold-soft);color:var(--gold);padding:2px 8px;border-radius:99px;font-weight:700}
.brand{font-family:var(--display);font-weight:700;color:var(--muted);font-size:.95rem}
.dl{display:flex;flex-wrap:wrap;gap:12px 16px;align-items:center;justify-content:space-between}
.dl p{font-size:.9rem;color:var(--muted)}
.dl strong{display:block;color:var(--fg);font-family:var(--display);font-size:1.05rem}
.btn{display:inline-flex;gap:8px;align-items:center;justify-content:center;background:var(--accent);color:var(--on-accent);
  font-family:var(--display);font-weight:700;font-size:1rem;text-decoration:none;padding:12px 20px;border-radius:10px;min-height:48px}
.btn:hover{filter:brightness(1.08)}
.btn:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.btn svg{width:20px;height:20px;flex:none}
@media (max-width:520px){.btn{width:100%}}
footer{text-align:center;font-size:.85rem;color:var(--muted)}
.hero{display:grid;gap:8px}
.hero .tag{justify-self:start}
.mb{margin-bottom:8px}
/* Floating WhatsApp: a <details> toggle, so it works without inline script under the strict CSP */
.wa{position:fixed;inset-inline-start:max(16px,env(safe-area-inset-left,0px));bottom:max(16px,env(safe-area-inset-bottom,0px));z-index:10;display:grid;justify-items:start;gap:10px}
.wa summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;gap:8px;background:#1f9d55;color:#fff;
  font-family:var(--display);font-weight:700;font-size:.95rem;padding:10px 16px 10px 12px;border-radius:99px;min-height:52px;
  box-shadow:0 6px 18px rgb(0 0 0 / .22)}
.wa summary::-webkit-details-marker{display:none}
.wa summary:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.wa svg{width:26px;height:26px;flex:none}
.wa-box{position:absolute;bottom:calc(100% + 10px);inset-inline-start:0;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px;display:grid;gap:8px;
  width:min(280px,calc(100vw - 32px));box-shadow:0 10px 28px rgb(0 0 0 / .2)}
.wa-box p{font-size:.85rem;color:var(--muted)}
.wa-line{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--fg);background:var(--bg);border:1px solid var(--line);
  border-radius:10px;padding:10px 12px;font-weight:500;min-height:48px}
.wa-line svg{color:#1f9d55;width:24px;height:24px}
.wa-line:hover{border-color:#1f9d55}
.wa-line:focus-visible{outline:2px solid #1f9d55;outline-offset:1px}
body{padding-bottom:96px}