/* Calculator layout; visual tokens supplied by design-system.css. */
@font-face{font-family:"Noto Sans Arabic";font-weight:400;font-display:swap;src:url(assets/fonts/noto-ar-400.ttf) format("truetype")}
@font-face{font-family:"Noto Sans Arabic";font-weight:500;font-display:swap;src:url(assets/fonts/noto-ar-500.ttf) format("truetype")}
@font-face{font-family:"Noto Sans Arabic";font-weight:700;font-display:swap;src:url(assets/fonts/noto-ar-700.ttf) format("truetype")}
@font-face{font-family:"Noto Sans Arabic";font-weight:800;font-display:swap;src:url(assets/fonts/noto-ar-800.ttf) format("truetype")}

*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:15.5px;line-height:1.8;-webkit-font-smoothing:antialiased;min-height:100vh;position:relative}
body::before{content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(55vmax 38vmax at 95% -8%,var(--blob1),transparent 62%),radial-gradient(48vmax 38vmax at -8% 28%,var(--blob2),transparent 62%),radial-gradient(40vmax 30vmax at 65% 112%,var(--blob3),transparent 62%)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:10px}
.calculator-wrap{width:min(1180px,calc(100% - 40px));margin-inline:auto}

/* الرأس الزجاجي */
.calc-header{position:sticky;top:12px;z-index:40;width:min(1180px,calc(100% - 24px));margin:12px auto 0}
.calc-nav{height:64px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding-inline:20px 12px;background:var(--glass);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);border:1px solid var(--line);border-radius:999px;box-shadow:var(--shs)}
.calc-brand{display:flex;align-items:center;gap:12px}
.mark{width:30px;height:34px;border-radius:18px 18px 6px 6px;background:linear-gradient(160deg,var(--accent2),var(--accent));position:relative;flex:none;box-shadow:0 6px 14px -6px var(--accent)}
.mark:after{content:'';position:absolute;inset:7px 7px 0;border-radius:11px 11px 0 0;background:var(--surface);opacity:.92}
.wordmark{font-family:var(--serif);font-weight:800;font-size:21px;letter-spacing:2.5px;line-height:1.1;direction:ltr;display:block}
.calc-brand small{display:block;font-size:10.5px;color:var(--muted);margin-top:2px;line-height:1.3}
.tools{display:flex;align-items:center;gap:8px}
.back{font-size:13px;font-weight:700;padding:9px 16px;border-radius:999px;background:var(--surface);border:1px solid var(--line);transition:transform .2s,box-shadow .2s}
.back:hover{transform:translateY(-1px);box-shadow:var(--shs)}
.iconbtn{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;font-size:19px;line-height:1;padding:0;transition:transform .25s}
.iconbtn:hover{transform:rotate(18deg) scale(1.08)}
.iconbtn .moon{display:none}
:root[data-theme="dark"] .iconbtn .sunic{display:none}
:root[data-theme="dark"] .iconbtn .moon{display:inline}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .iconbtn .sunic{display:none}:root:not([data-theme="light"]) .iconbtn .moon{display:inline}}

/* الواجهة الأولى */
.calc-hero{padding:44px 0 26px;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--accent);background:var(--accent-soft);padding:6px 14px;border-radius:999px}
.calc-hero h1{font-weight:800;font-size:clamp(30px,5.2vw,56px);line-height:1.35;margin:16px 0 12px;letter-spacing:-.5px;text-wrap:balance}
.calc-hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--accent),var(--sun));-webkit-background-clip:text;background-clip:text;color:transparent}
.calc-hero p{margin:0;color:var(--muted);max-width:620px;font-size:16px}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pills span{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:5px 14px;font-size:13px;font-weight:500;box-shadow:var(--shs)}

/* المراحل */
.stepper{display:flex;gap:8px;margin:6px 0 24px;flex-wrap:wrap;padding:0;list-style:none}
.stepper li{flex:1 1 0;min-width:140px}
.stepper button{width:100%;display:flex;align-items:center;gap:10px;text-align:start;background:var(--surface);border:1px solid var(--line);padding:8px 16px 8px 12px;min-height:54px;border-radius:999px;color:var(--muted);transition:transform .2s,box-shadow .2s,background .2s}
.stepper button:hover{transform:translateY(-2px);box-shadow:var(--shs)}
.stepper .num{font-family:var(--serif);font-weight:800;font-size:15px;width:32px;height:32px;border-radius:50%;background:var(--surface2);border:1px solid var(--line);display:grid;place-items:center;flex:none;line-height:1}
.stepper b{font-weight:700;font-size:14px;line-height:1.3}
.stepper .on{background:linear-gradient(135deg,var(--brand),var(--brand2));border-color:transparent;color:#fff;box-shadow:0 10px 24px -10px var(--brand)}
.stepper .on .num{background:rgba(255,255,255,.2);border-color:transparent;color:#fff}
.stepper .done{color:var(--ink)}
.stepper .done .num{background:linear-gradient(135deg,var(--accent2),var(--accent));border-color:transparent;color:#fff}

/* التخطيط والبطاقات */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:24px;align-items:start;padding-bottom:90px}
.layout.full{grid-template-columns:minmax(0,1fr)}
.layout.full aside{display:none}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:30px;box-shadow:var(--sh)}
.card+.card{margin-top:18px}
.kick{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.3px;color:var(--brand2);background:var(--mint);padding:2px 12px;border-radius:999px;margin-bottom:10px}
h2{font-size:clamp(22px,3vw,28px);font-weight:800;margin:0 0 6px;line-height:1.5}
h2.mini{font-size:15px;margin:14px 0 4px}
h3{font-size:16px;font-weight:800;margin:24px 0 10px}
.sub{color:var(--muted);font-size:14.5px;margin:0 0 22px}
.lbl,.f>label{font-size:13.5px;font-weight:700}
.f{display:flex;flex-direction:column;gap:6px;min-width:0}
.f small,.hint{color:var(--muted);font-size:12.5px;line-height:1.6}
.row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.row3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.row4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.mt{margin-top:18px}
input[type=text],select{width:100%;min-height:52px;padding:10px 16px;background:var(--surface2);border:1.5px solid var(--line);border-radius:16px;transition:border-color .2s,box-shadow .2s,background .2s}
input[type=text]:hover,select:hover{border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}
input[type=text]:focus,select:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 20%,transparent);background:var(--surface)}
select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath d='M1 1l6 6 6-6' fill='none' stroke='%23888' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:left 16px center;padding-inline-end:16px;padding-inline-start:40px}
input[readonly]{opacity:.7}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;align-items:center}
.chip{border:1.5px solid var(--line);background:var(--surface);padding:6px 16px;min-height:42px;border-radius:999px;font-size:13.5px;font-weight:500;transition:transform .15s,border-color .2s,background .2s}
.chip:hover{transform:translateY(-2px);border-color:var(--accent)}
.chip:active{transform:scale(.95)}
.chip[aria-pressed=true]{background:linear-gradient(135deg,var(--accent2),var(--accent));border-color:transparent;color:#fff;font-weight:700;box-shadow:0 8px 18px -8px var(--accent)}
.check{display:flex;align-items:center;gap:12px;min-height:46px;font-size:14.5px;cursor:pointer}
.check input{appearance:none;-webkit-appearance:none;width:24px;height:24px;border-radius:8px;border:2px solid var(--line);background:var(--surface2);flex:none;display:grid;place-items:center;cursor:pointer;transition:all .15s;margin:0}
.check input:checked,.ph input:checked,.tbl input[type=checkbox]:checked{background:linear-gradient(135deg,var(--accent2),var(--accent));border-color:transparent}
.check input:checked:after,.ph input:checked:after,.tbl input[type=checkbox]:checked:after{content:'';width:6px;height:11px;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg) translate(-1px,-1px)}

/* بطاقات الاختيار */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.cards.lvcards{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:560px){.cards.lvcards{grid-template-columns:minmax(0,1fr)}}
.pick{position:relative;display:block}
.pick input{position:absolute;opacity:0;inset:0;cursor:pointer;width:100%;height:100%;margin:0;z-index:1}
.pick>span{display:block;height:100%;border:1.5px solid var(--line);background:var(--surface2);border-radius:20px;padding:16px 18px;transition:transform .2s cubic-bezier(.3,1.4,.5,1),box-shadow .2s,border-color .2s,background .2s;position:relative}
.pick:hover>span{transform:translateY(-4px);box-shadow:var(--shs);border-color:color-mix(in srgb,var(--accent) 50%,var(--line))}
.pick:active>span{transform:scale(.97)}
.pick b{display:block;font-size:16.5px;font-weight:800}
.pick small{display:block;color:var(--muted);font-size:12.5px;line-height:1.6;margin-top:2px}
.pick .ic{font-style:normal;font-size:34px;line-height:1;margin-bottom:8px;display:block;filter:drop-shadow(0 6px 8px rgba(0,0,0,.12))}
.pick input:checked+span{border-color:var(--accent);background:linear-gradient(160deg,var(--accent-soft),var(--surface2));box-shadow:0 12px 28px -14px var(--accent),inset 0 0 0 1px var(--accent)}
.pick input:checked+span:after{content:'✓';position:absolute;top:12px;inset-inline-end:12px;width:24px;height:24px;border-radius:50%;background:linear-gradient(135deg,var(--accent2),var(--accent));color:#fff;font-size:13px;font-weight:800;display:grid;place-items:center;line-height:1}
.pick input:focus-visible+span{outline:3px solid var(--accent);outline-offset:3px}
.pick ul{margin:8px 0 0;padding:0 18px 0 0;font-size:12.5px;color:var(--muted);line-height:1.8}
.pick .pr{display:inline-block;margin-top:12px;font-family:var(--serif);font-weight:800;font-size:14px;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:2px 12px;direction:ltr}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg .pick{flex:1 1 90px}
.seg .pick>span{text-align:center;padding:12px 8px;border-radius:18px}
.seg .pick input:checked+span:after{display:none}
.seg .pick b{font-family:var(--serif);font-size:17px}

/* المراحل */
.phases{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.phl{display:flex;gap:12px;align-items:flex-start;cursor:pointer}
.ph select{min-height:44px;font-size:14px}
.ph.off .phl{cursor:not-allowed}
.pcard{border:1.5px solid var(--line);background:var(--surface2);border-radius:20px;display:flex;flex-direction:column;transition:border-color .2s,box-shadow .2s,background .2s}
.pcard:has(input[type=radio]:checked){border-color:var(--accent);background:linear-gradient(160deg,var(--accent-soft),var(--surface2));box-shadow:0 12px 28px -14px var(--accent)}
.pcard .pick>span{border:0;background:transparent;box-shadow:none!important}
.pcard .pick:hover>span{transform:none;box-shadow:none}
.pcard .pick input:checked+span{background:transparent;box-shadow:none}
.pin{padding:0 18px 18px;display:grid;gap:12px;margin-top:auto}
.pin .pr{margin-top:0;justify-self:start}
.manual{margin-top:16px;padding:6px 18px 14px;border:1.5px dashed var(--line);border-radius:18px;background:var(--surface2)}
.gh{display:flex;align-items:center;justify-content:space-between;gap:12px}
.gh .f{min-width:170px}
.tbl td select{min-width:120px}
.ph{display:flex;flex-direction:column;gap:10px;border:1.5px solid var(--line);background:var(--surface2);border-radius:18px;padding:14px 16px;transition:transform .2s,border-color .2s,box-shadow .2s}
.ph:hover{transform:translateY(-2px);box-shadow:var(--shs)}
.ph:has(input:checked){border-color:color-mix(in srgb,var(--accent) 55%,var(--line));background:linear-gradient(160deg,var(--accent-soft),var(--surface2))}
.ph input{appearance:none;-webkit-appearance:none;width:24px;height:24px;border-radius:8px;border:2px solid var(--line);background:var(--surface);margin:2px 0 0;flex:none;display:grid;place-items:center;cursor:pointer}
.ph b{display:block;font-size:14.5px;font-weight:800}
.ph .pi{font-style:normal;font-size:18px;margin-inline-end:2px}
.ph small{display:block;color:var(--muted);font-size:12.5px;line-height:1.6}
.ph.off{opacity:.45;cursor:not-allowed}
.tag{display:inline-block;font-size:11px;font-weight:500;background:var(--mint);color:var(--brand2);border-radius:999px;padding:0 10px;margin-inline-start:6px}

/* منسدلات */
details.acc{border:1.5px solid var(--line);border-radius:18px;margin-top:12px;background:var(--surface2);transition:box-shadow .2s}
details.acc[open]{box-shadow:var(--shs);background:var(--surface)}
details.acc>summary{cursor:pointer;padding:14px 18px;font-weight:800;font-size:14.5px;min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:10px;list-style:none}
details.acc>summary::-webkit-details-marker{display:none}
details.acc>summary:after{content:'+';width:30px;height:30px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-size:20px;line-height:1;display:grid;place-items:center;transition:transform .25s;flex:none}
details.acc[open]>summary:after{content:'−';transform:rotate(180deg)}
details.acc .in{padding:4px 18px 20px;border-top:1px dashed var(--line)}
.grp{margin-top:18px;padding-top:14px;border-top:1px dashed var(--line)}
.grp:first-child{border-top:0;margin-top:6px;padding-top:0}
.grp>.lbl{display:block;margin-bottom:6px;color:var(--accent)}

/* غرف كل طابق */
.floor{border:1.5px solid var(--line);border-radius:20px;padding:18px;background:var(--surface2);margin-top:14px}
.floor h4{margin:0 0 14px;font-size:16px;font-weight:800;display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.floor h4 .m{font-family:var(--serif);color:var(--muted);font-weight:500;font-size:13px;direction:ltr}
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}
.stp{display:flex;flex-direction:column;gap:4px;align-items:center;text-align:center;font-size:12.5px;font-weight:700;background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:12px 6px}
.stp .ri{font-style:normal;font-size:24px;line-height:1}
.stp .c{display:flex;align-items:center;gap:6px;margin-top:4px}
.stp button{width:40px;height:40px;border:0;background:var(--accent-soft);color:var(--accent);border-radius:50%;font-size:22px;font-weight:700;line-height:1;display:grid;place-items:center;padding:0;transition:transform .12s,background .2s}
.stp button:hover:not(:disabled){background:var(--accent);color:#fff}
.stp button:active:not(:disabled){transform:scale(.85)}
.stp button:disabled{opacity:.3;cursor:not-allowed}
.stp output{min-width:28px;font-family:var(--serif);font-weight:800;font-size:22px;text-align:center}
.sub-checks{display:flex;flex-wrap:wrap;gap:2px 24px;margin-top:10px}
.auto{font-size:11.5px;color:var(--brand2);font-weight:700;background:var(--mint);padding:1px 10px;border-radius:999px}
.man{font-size:11.5px;color:var(--accent);font-weight:700;background:var(--accent-soft);padding:1px 10px;border-radius:999px}

/* الجداول */
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:14px;min-width:420px}
th,td{padding:9px 14px;text-align:start;border-bottom:1px solid var(--line);vertical-align:middle}
th{font-size:12.5px;color:var(--muted);background:var(--surface2);font-weight:700;white-space:nowrap}
td.n,th.n{font-family:var(--serif);white-space:nowrap;font-variant-numeric:tabular-nums}
tr.g td{background:var(--surface2);font-weight:800;font-size:13px;color:var(--brand2)}
tr.tot td{font-weight:800;font-size:16px;color:var(--accent);border-bottom:0}
tr.sg td{font-size:12px;font-weight:700;color:var(--muted);padding-block:6px;background:transparent;border-bottom:1px dashed var(--line)}
tr.off td{opacity:.4}
tr:last-child td{border-bottom:0}
.tbl input[type=text]{min-height:40px;padding:4px 8px;width:86px;text-align:center;border-radius:12px}
.tbl select{min-height:40px;padding:4px 8px 4px 28px;width:auto;border-radius:12px;background-position:left 8px center}
.tbl input[type=checkbox]{appearance:none;-webkit-appearance:none;width:22px;height:22px;border-radius:7px;border:2px solid var(--line);background:var(--surface2);display:grid;place-items:center;cursor:pointer;margin:0}
caption{text-align:start;font-weight:800;padding:12px 14px;font-size:14px;background:var(--surface);border-bottom:1px solid var(--line)}

/* الملخص الجانبي */
aside{position:sticky;top:90px}
aside .card{padding:18px 20px 20px}
.house{border-radius:18px;overflow:hidden;background:linear-gradient(180deg,var(--sky1),var(--sky2));margin:-2px -2px 0;border:1px solid var(--line)}
.house svg{display:block;width:100%;height:auto}
.house .sun{fill:var(--sun);animation:bob 5s ease-in-out infinite}
.house .cloud{fill:#fff;opacity:.85;animation:drift 14s ease-in-out infinite alternate}
.house .ground{fill:var(--ground)}
.house .cave{fill:#2a2118;opacity:.55}
.house .cap{fill:#fff;font-size:9px;text-anchor:middle;font-family:var(--serif);opacity:.8}
.house .wall{fill:var(--wall)}
.house .wall.hl{filter:brightness(1.12) saturate(1.2);stroke:var(--accent);stroke-width:1.5}
.house .roof{fill:var(--roof)}
.house .win{fill:#fff8e0;opacity:.92}
.house .door{fill:var(--door)}
.house .fence{fill:var(--roof);opacity:.55}
.house .awn{fill:var(--roof)}
.house .awn2{fill:#fff;opacity:.8}
.house .fl{transform-box:fill-box;transform-origin:50% 100%}
.house .fl.new{animation:rise .6s cubic-bezier(.2,1.5,.4,1) both}
.lv-eco{--wall:#f0dcb8;--roof:#b58a5c;--door:#7a5836}
.lv-mid{--wall:#f4a47a;--roof:#b3502a;--door:#5a2a17}
.lv-high{--wall:#7ec4a2;--roof:#1f6b4f;--door:#0f3d2e}
.lv-lux{--wall:#f5cf6a;--roof:#8a6a14;--door:#3d2f08}
.lv-lux svg{filter:drop-shadow(0 0 10px rgba(255,200,87,.5))}
.sum .r{display:flex;justify-content:space-between;gap:12px;font-size:14px;border-bottom:1px dashed var(--line);padding:7px 0}
.sum dt{color:var(--muted)}
.sum dd{margin:0;font-family:var(--serif);text-align:end;font-variant-numeric:tabular-nums;font-weight:500}
.sum dl{margin:0}
.big{font-family:var(--serif);font-weight:800;font-size:32px;background:linear-gradient(100deg,var(--accent),var(--sun));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.3;margin:2px 0 4px;display:block;font-variant-numeric:tabular-nums}
.rangeln{font-size:13px;color:var(--muted);display:block}
.warns{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:8px}
.warns li{background:var(--note);color:var(--note-ink);padding:9px 14px;border-radius:14px;font-size:12.5px;line-height:1.6}
.warns li.bad{background:color-mix(in srgb,var(--bad) 16%,var(--surface));color:var(--bad)}

/* النتيجة */
.hl{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:14px;margin:18px 0}
.hl>div{border:1px solid var(--line);background:var(--surface2);border-radius:20px;padding:18px 20px;position:relative;overflow:hidden}
.hl>div.main{background:linear-gradient(140deg,var(--brand),var(--brand2));color:#fff;border:0;box-shadow:0 18px 36px -18px var(--brand)}
.hl>div.main:before{content:'';position:absolute;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(255,200,87,.45),transparent 70%);inset-block-start:-70px;inset-inline-start:-50px}
.hl span{display:block;font-size:12.5px;opacity:.8;position:relative}
.hl b{display:block;font-family:var(--serif);font-size:26px;font-weight:800;line-height:1.35;margin-top:2px;position:relative;font-variant-numeric:tabular-nums}
.hl .main b{font-size:clamp(30px,4.4vw,42px)}
.hl small{display:block;font-size:12px;opacity:.78;margin-top:4px;position:relative}
.bars{display:grid;gap:12px;margin:10px 0 0}
.bar{display:grid;grid-template-columns:minmax(120px,190px) minmax(0,1fr) 120px;gap:14px;align-items:center;font-size:14px}
.bar .t{height:14px;background:var(--surface2);border:1px solid var(--line);border-radius:999px;overflow:hidden}
.bar .t i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--sun));border-radius:999px;transform-origin:right center}
#panel.enter .bar .t i{animation:grow .8s cubic-bezier(.2,.9,.3,1) both}
.bar .v{font-family:var(--serif);font-weight:700;text-align:end;white-space:nowrap}
.bar .p{color:var(--muted);font-size:12px;margin-inline-start:6px;font-weight:500}
.fin{border:1.5px solid var(--line);border-radius:20px;padding:6px 20px;background:var(--surface2)}
.fin .r{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.fin .r:last-child{border-bottom:0}
.fin .r.f1{font-weight:800;font-size:19px;color:var(--accent)}
.fin .v{font-family:var(--serif);text-align:end;font-weight:700}
.fin input,.fin select{width:96px;min-height:42px;text-align:center;border-radius:14px}
.fin select{width:150px;text-align:start}
.note{background:var(--note);color:var(--note-ink);border-radius:16px;padding:14px 18px;font-size:13.5px;margin-top:18px;line-height:1.8}
.note.info{background:var(--surface2);color:var(--muted);border:1px dashed var(--line)}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.btn{border:0;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:10px 26px;font-size:14.5px;border-radius:999px;font-weight:700;box-shadow:0 10px 24px -12px var(--brand);transition:transform .18s cubic-bezier(.3,1.4,.5,1),box-shadow .2s,filter .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px -12px var(--brand);filter:brightness(1.06)}
.btn:active{transform:scale(.96)}
.btn.ghost{background:var(--surface);color:var(--ink);border:1.5px solid var(--line);box-shadow:none}
.btn.ghost:hover{border-color:var(--accent);box-shadow:var(--shs)}
.btn.or{background:linear-gradient(135deg,var(--accent2),var(--accent));box-shadow:0 12px 26px -12px var(--accent)}
.btn.or:hover{box-shadow:0 18px 32px -12px var(--accent)}
.btn.sm{min-height:40px;padding:4px 18px;font-size:13px}
.btn:disabled{opacity:.45;cursor:not-allowed}
.nav2{display:flex;justify-content:space-between;gap:12px;margin-top:28px;padding-top:20px;border-top:1px dashed var(--line);flex-wrap:wrap}
.warn{color:var(--bad);font-weight:700;font-size:13px}
.tip{background:var(--accent-soft);border-radius:16px;padding:12px 16px;font-size:13.5px;margin-top:14px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* شريط الجوال */
.mbar{display:none}

/* الاحتفال */
.confetti{position:fixed;inset:0;pointer-events:none;z-index:90;overflow:hidden}
.confetti i{position:absolute;top:-16px;width:9px;height:15px;border-radius:3px;animation:fall linear forwards}

/* الحركة */
@keyframes rise{from{transform:scaleY(.1);opacity:0}to{transform:scaleY(1);opacity:1}}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
@keyframes drift{from{transform:translateX(-12px)}to{transform:translateX(14px)}}
@keyframes grow{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes fall{to{transform:translate(var(--dx),108vh) rotate(var(--rot))}}
@keyframes enter{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
#panel.enter>.card{animation:enter .45s cubic-bezier(.2,.9,.3,1) both}
#panel.enter>.card:nth-child(2){animation-delay:.07s}

/* المستند للطباعة */
#docWrap{position:fixed;inset:0;z-index:70;overflow:auto;background:var(--bg);padding:16px}
#docView{max-width:860px;margin:0 auto;background:#fff;color:#1f2326;border:1px solid var(--line);border-radius:20px;padding:34px;line-height:1.7;box-shadow:var(--sh)}
#docView h1{font-size:24px;margin:0 0 4px;font-weight:800;color:#1f2326}
#docView h2{font-size:16px;margin:22px 0 8px;border-bottom:1px solid #ccc;padding-bottom:4px;font-weight:800;color:#1f2326}
#docView table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:0}
#docView th,#docView td{padding:6px 8px;border-bottom:1px solid #ddd;text-align:start;background:none;color:#1f2326}
#docView th{font-size:12px;color:#555;background:#f2f2f2}
#docView .n{font-family:var(--serif);white-space:nowrap}
#docView .meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px;margin-top:14px}
#docView .box{border:1px solid #ccc;border-radius:12px;padding:10px 12px;font-size:13.5px}
#docView tr.tot td{font-weight:800;border-top:2px solid #1f2326;color:#1f2326;font-size:14px}
#docView tr.g td{background:#f2f2f2;color:#333;font-weight:800}
#docView .sig{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px}
#docView .sig div{border:1px dashed #999;border-radius:12px;min-height:90px;padding:8px 12px;font-size:13px;color:#555}
.docbar{max-width:860px;margin:0 auto 12px;display:flex;gap:10px;flex-wrap:wrap}
.adm .f{margin-bottom:8px}
.adm .row4 label{font-size:12.5px;font-weight:500}
.srow{display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));gap:8px;align-items:center;margin-bottom:6px;font-size:13px}
.srow.h{font-weight:700;color:var(--muted);font-size:12px}
.srow input{min-height:38px;padding:4px 6px;text-align:center;border-radius:12px}
body.docopen .calculator-wrap,body.docopen .calc-header,body.docopen .mbar{display:none!important}

@media(max-width:940px){
  .layout{grid-template-columns:minmax(0,1fr);padding-bottom:120px}
  aside{position:static;order:2}
  .mbar{display:flex;position:fixed;inset-inline:12px;bottom:12px;z-index:30;background:var(--glass);backdrop-filter:blur(16px) saturate(1.4);-webkit-backdrop-filter:blur(16px) saturate(1.4);border:1px solid var(--line);padding:8px 10px 8px 8px;border-radius:999px;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 14px 34px -10px rgba(0,0,0,.35)}
  .mbar div{padding-inline-start:12px}
  .mbar span{font-size:11.5px;color:var(--muted);display:block;line-height:1.3}
  .mbar b{font-family:var(--serif);font-weight:800;font-size:19px;line-height:1.3}
  .mbar button{background:linear-gradient(135deg,var(--accent2),var(--accent));border:0;color:#fff;min-height:46px;padding:6px 22px;border-radius:999px;font-weight:700;font-size:14px}
  body.res .mbar{display:none}
  .hl{grid-template-columns:1fr 1fr}.hl>div.main{grid-column:1/-1}
}
@media(max-width:700px){
  .calculator-wrap{width:calc(100% - 28px)}
  .card{padding:20px;border-radius:20px}
  .row,.row3,.row4,.phases{grid-template-columns:minmax(0,1fr)}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .stepper li{flex:1 1 calc(50% - 8px);min-width:0}
  .stepper button{padding-inline:10px;min-height:50px}
  .bar{grid-template-columns:minmax(0,1fr) auto;gap:6px 10px}
  .bar .t{grid-column:1/-1;order:3}
  .calc-brand small,.back{display:none}
  .calc-hero{padding:26px 0 14px}
  .srow{grid-template-columns:minmax(0,1fr) repeat(2,minmax(0,1fr))}
  .srow.h{display:none}
  .srow .nm{grid-column:1/-1;font-weight:700}
}
@media(max-width:420px){.hl{grid-template-columns:minmax(0,1fr)}}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*:before,*:after{animation:none!important;transition:none!important}
}
@media print{
  body{background:#fff!important}body::before{display:none}
  .calculator-wrap,.mbar,.docbar,.calc-header,.confetti{display:none!important}
  #docWrap{position:static!important;padding:0!important;overflow:visible!important;background:#fff!important}
  #docView{border:0!important;padding:0!important;max-width:none!important;box-shadow:none!important}
}

/* MBERWAKI visual alignment · warm architectural palette */



body::before{background:radial-gradient(55vmax 38vmax at 95% -8%,var(--blob1),transparent 62%),radial-gradient(48vmax 38vmax at -8% 28%,var(--blob2),transparent 62%)}
.calc-nav{border-radius:16px}.mark{background:linear-gradient(155deg,var(--accent2),var(--accent))}.mark:after{background:var(--surface)}
.card,.pick>span,.pcard,.floor{border-radius:16px}
.calc-hero h1 em{background:linear-gradient(100deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text}
.btn,.stepper button,.mbar{border-radius:16px}
.iconbtn{border-radius:12px}
@media(max-width:700px){.calc-nav{padding-inline:12px}.wordmark{font-size:17px;letter-spacing:1.5px}.mbar{border-radius:18px}}

.calc-skip{position:fixed;top:-100px;right:12px;z-index:100;padding:10px 16px;border-radius:12px;background:var(--accent);color:#fff}
.calc-skip:focus{top:12px}
.calc-hero h1{font-weight:800;letter-spacing:0}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.02em}
.pills{gap:9px}.pills span{border-radius:12px;font-size:12.5px}
.stepper button{border-radius:16px}
.card{box-shadow:0 14px 35px -28px rgba(32,39,43,.38)}
.pick .ic{filter:none}
.card h2{letter-spacing:0}
#docView{border-radius:12px}
@media(max-width:700px){.calc-hero h1{font-size:clamp(30px,8vw,42px)}.pills span{font-size:12px}.stepper li{flex-basis:calc(50% - 8px)}}
/* Accessible result numbers and primary interactions */
.calc-hero h1 em{background:none;color:var(--accent);-webkit-text-fill-color:currentColor}
.big{background:none;color:#AA542D;-webkit-text-fill-color:currentColor}
:root[data-theme="dark"] .big{color:#F0B78E}
.btn.or,.mbar button,.chip[aria-pressed=true]{background:linear-gradient(135deg,#AE542D,#93441F);color:#fff}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .big{color:#F0B78E}}