/* EudaiKey — one door for Amr's tools. Phone-first, Arabic RTL, the family's design language (Readex Pro, deep teal, one accent). */
:root{--bg:#f4f5f1;--card:#fff;--ink:#16212b;--muted:#5d6974;--line:#e0e4de;--brand:#123c3a;--brand-ink:#fff;--accent:#a8761c;
--accent-soft:#f6eedc;--ok:#1f7a5c;--ok-soft:#e3f4ec;--bad:#b42318;--bad-soft:#fdeceb;--radius:14px;--tab-h:66px;
--safe-b:env(safe-area-inset-bottom,0px);--safe-t:env(safe-area-inset-top,0px);color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0c1312;--card:#151f1e;--ink:#e7eeeb;--muted:#9db0aa;--line:#24332f;
--brand:#0f2c2a;--accent:#d8a948;--accent-soft:#3a2f17;--ok:#5ad1a5;--ok-soft:#163a2e;--bad:#f07167;--bad-soft:#3b1a18;color-scheme:dark}}
:root[data-theme=dark]{--bg:#0c1312;--card:#151f1e;--ink:#e7eeeb;--muted:#9db0aa;--line:#24332f;--brand:#0f2c2a;--accent:#d8a948;
--accent-soft:#3a2f17;--ok:#5ad1a5;--ok-soft:#163a2e;--bad:#f07167;--bad-soft:#3b1a18;color-scheme:dark}
*{box-sizing:border-box}
[hidden]{display:none!important} /* lesson C-hidden-vs-display: author display rules beat the attribute */
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 "Readex Pro",system-ui,-apple-system,sans-serif;-webkit-text-size-adjust:100%}
button,input,select,textarea{font:inherit;color:inherit}
a{color:inherit}
svg.ic{width:22px;height:22px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.skip{position:absolute;inset-inline-start:-999px}.skip:focus{inset-inline-start:8px;top:8px;z-index:20;background:var(--card);padding:8px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

header.top{position:sticky;top:0;z-index:5;background:var(--brand);color:var(--brand-ink);padding:calc(var(--safe-t) + 8px) 14px 10px;display:flex;align-items:center;gap:10px}
header.top .mark{display:flex;align-items:center;gap:8px;flex:1;min-width:0;text-decoration:none}
header.top .mark svg{width:28px;height:28px;color:var(--accent)}
header.top .mark b{font-size:18px;font-weight:600;letter-spacing:0}
header.top .mark small{display:block;font-size:12px;opacity:.75;line-height:1.2}
.hbtn{display:inline-flex;flex-direction:column;align-items:center;gap:0;border:0;border-radius:10px;padding:4px 8px;background:rgba(255,255,255,.12);
color:#fff;min-height:44px;min-width:52px;cursor:pointer;font-size:11px;line-height:1.3;text-decoration:none}
.hbtn svg.ic{width:20px;height:20px}

main{padding:16px 14px calc(var(--tab-h) + var(--safe-b) + 28px);max-width:640px;margin:0 auto}
main.bare{padding-bottom:40px}
h1.page{font-size:21px;font-weight:600;margin:4px 2px 2px;display:flex;align-items:center;gap:8px}
p.lead{margin:0 2px 16px;color:var(--muted);font-size:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;margin:0 0 12px}
.card h2{font-size:16px;margin:0 0 8px;display:flex;align-items:center;gap:8px;font-weight:600}
.card p{margin:4px 0;color:var(--muted);font-size:14px}
.group-title{font-size:13px;color:var(--muted);margin:18px 4px 8px;font-weight:600;display:flex;align-items:center;gap:6px}

.i{border:1px solid var(--line);background:var(--card);border-radius:50%;width:26px;height:26px;font:600 13px/1 Georgia,serif;color:var(--muted);cursor:pointer;flex:none;padding:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 18px;border-radius:12px;border:1px solid var(--line);
background:var(--card);cursor:pointer;font-weight:500;text-decoration:none;font-size:16px}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.danger{color:var(--bad);border-color:var(--bad);background:transparent}
.btn.ghost{background:transparent}
.btn.block{width:100%}
.btn.sm{min-height:40px;padding:6px 12px;font-size:14px}
.btn:disabled{opacity:.55;cursor:default}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.actions .btn{flex:1 1 140px}

label.f{display:block;font-size:14px;font-weight:500;margin:14px 2px 6px}
label.f small{font-weight:400;color:var(--muted)}
input[type=text],input[type=password],input[type=number]{width:100%;min-height:50px;padding:10px 14px;border:1px solid var(--line);border-radius:12px;background:var(--card);font-size:17px}
input:focus{border-color:var(--accent)}
.pw{position:relative}
/* password inputs are dir=ltr inside an rtl page: place the button by physical side so it never covers the text */
.pw input{padding-left:84px;padding-right:14px}
.pw .show{position:absolute;left:6px;top:6px;bottom:6px;border:0;background:transparent;color:var(--muted);font-size:13px;cursor:pointer;padding:0 10px;border-radius:8px}
.hint{font-size:13px;color:var(--muted);margin:6px 2px 0}

.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--card);border-radius:999px;padding:6px 12px;min-height:40px;font-size:14px;cursor:pointer}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip:has(input:checked),.chip[aria-pressed=true]{border-color:var(--brand);background:var(--brand);color:#fff}
.chip:has(input:disabled){opacity:.45;cursor:not-allowed}
.chip svg.ic{width:18px;height:18px}
.tag{display:inline-flex;align-items:center;gap:4px;font-size:12px;border-radius:999px;padding:2px 9px;background:var(--accent-soft);color:var(--ink);white-space:nowrap}
.tag.ok{background:var(--ok-soft)}.tag.bad{background:var(--bad-soft)}.tag.muted{background:var(--bg);color:var(--muted);border:1px solid var(--line)}

.switch-row{display:flex;align-items:center;gap:12px;padding:12px 0}
.switch-row .grow{flex:1}
.switch-row .sub{font-size:13px;color:var(--muted)}
.switch{position:relative;width:52px;height:32px;flex:none}
.switch input{opacity:0;width:100%;height:100%;margin:0;position:absolute;cursor:pointer;z-index:1}
.switch span{position:absolute;inset:0;background:var(--line);border-radius:20px;transition:.2s;pointer-events:none}
.switch span::after{content:"";position:absolute;top:3px;inset-inline-start:3px;width:26px;height:26px;border-radius:50%;background:#fff;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.25)}
.switch input:checked+span{background:var(--ok)}
.switch input:checked+span::after{inset-inline-start:23px}
.stepper{display:flex;align-items:center;gap:10px}
.stepper button{width:48px;height:48px;border-radius:12px;border:1px solid var(--line);background:var(--card);font-size:22px;cursor:pointer}
.stepper output{min-width:5em;text-align:center;font-weight:600}

/* «أدواتي»: one tap per tool */
.tools{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.tool{display:flex;flex-direction:column;gap:8px;padding:14px;border-radius:var(--radius);border:1px solid var(--line);background:var(--card);text-decoration:none;min-height:124px;position:relative}
.tool .ti{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;color:#fff;background:var(--c,#123c3a)}
.tool .ti svg.ic{width:26px;height:26px}
.tool b{font-size:16px;font-weight:600;line-height:1.3}
.tool small{font-size:12px;color:var(--muted);direction:ltr;text-align:end;unicode-bidi:plaintext}
.tool .tag{position:absolute;top:12px;inset-inline-end:12px}
.tool:active{transform:scale(.98)}

/* rows (people, invites, devices) */
.row{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
.row:first-child{border-top:0}
.row .grow{flex:1;min-width:0}
.row .grow b{display:block;font-weight:600}
.row .sub{font-size:13px;color:var(--muted)}
.avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);font-weight:600;flex:none}
.empty{color:var(--muted);text-align:center;padding:18px 8px;font-size:14px}

.linkbox{display:flex;align-items:center;gap:8px;border:1px dashed var(--accent);background:var(--accent-soft);border-radius:12px;padding:10px 12px;margin:10px 0;
direction:ltr;font-size:14px;word-break:break-all;font-family:ui-monospace,Menlo,monospace}
.notice{border-radius:12px;padding:12px 14px;margin:0 0 12px;font-size:14px;display:flex;gap:10px;align-items:flex-start}
.notice.ok{background:var(--ok-soft)}.notice.bad{background:var(--bad-soft)}.notice.info{background:var(--accent-soft)}

/* login */
.door{max-width:420px;margin:0 auto;padding-top:min(10vh,60px)}
.door .logo{width:72px;height:72px;border-radius:20px;background:var(--brand);display:grid;place-items:center;margin:0 auto 12px;color:var(--accent)}
.door .logo svg.ic{width:40px;height:40px}
.door h1{text-align:center;font-size:24px;margin:0;font-weight:600}
.door p.sub{text-align:center;color:var(--muted);margin:2px 0 18px;font-size:15px}
.going{display:flex;align-items:center;gap:10px;justify-content:center;font-size:14px;margin:0 0 6px}
.going .ti{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;color:#fff;background:var(--c)}
.going .ti svg.ic{width:18px;height:18px}
.linkbtn{background:none;border:0;color:var(--muted);text-decoration:underline;cursor:pointer;font-size:14px;padding:10px;display:block;margin:6px auto 0}

/* bottom tabs: thumb reach, labels under icons */
nav.tabs{position:fixed;bottom:0;inset-inline:0;z-index:6;background:var(--card);border-top:1px solid var(--line);display:flex;justify-content:space-around;
padding:6px 4px calc(var(--safe-b) + 6px);height:calc(var(--tab-h) + var(--safe-b))}
nav.tabs a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:12px;color:var(--muted);text-decoration:none;padding:4px 0;border-radius:10px}
nav.tabs a[aria-current=page]{color:var(--brand);font-weight:600}
:root[data-theme=dark] nav.tabs a[aria-current=page]{color:var(--accent)}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) nav.tabs a[aria-current=page]{color:var(--accent)}}
nav.tabs svg.ic{width:24px;height:24px}

/* bottom sheet for (i) and settings */
.sheet{position:fixed;inset:0;z-index:10;background:rgba(0,0,0,.38);display:flex;align-items:flex-end;justify-content:center}
.sheet[hidden]{display:none}
.sheet-card{background:var(--card);width:100%;max-width:640px;border-radius:18px 18px 0 0;padding:16px 18px calc(var(--safe-b) + 18px);max-height:86vh;overflow:auto;box-shadow:0 -8px 30px rgba(0,0,0,.18)}
.sheet-card h3{margin:0 0 6px;font-size:18px;font-weight:600}
.sheet-card .more{margin-top:10px;border-top:1px solid var(--line);padding-top:10px;font-size:14px;color:var(--muted)}
.sheet-close{float:inline-end;border:0;background:var(--bg);border-radius:10px;min-width:44px;min-height:44px;cursor:pointer}
.seg{display:flex;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.seg button{flex:1;border:0;background:transparent;padding:10px;min-height:46px;cursor:pointer;color:var(--muted)}
.seg button+button{border-inline-start:1px solid var(--line)}
.seg button[aria-pressed=true]{background:var(--brand);color:#fff;font-weight:600}
.menu a,.menu button{display:flex;align-items:center;gap:12px;width:100%;padding:14px 4px;border:0;border-top:1px solid var(--line);background:none;text-decoration:none;cursor:pointer;text-align:start;font-size:16px}
#toast{position:fixed;bottom:calc(var(--tab-h) + var(--safe-b) + 14px);inset-inline:16px;margin:auto;max-width:420px;background:var(--ink);color:var(--bg);border-radius:12px;padding:12px 16px;z-index:12;text-align:center}
#toast[hidden]{display:none}
footer.stamp{text-align:center;color:var(--muted);font-size:11px;padding:0 0 calc(var(--tab-h) + var(--safe-b) + 10px);margin-top:-18px}
main.bare+footer.stamp{padding-bottom:20px;margin-top:0}
.guide h2{font-size:17px;margin:22px 0 6px}.guide p,.guide li{font-size:15px}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media (min-width:700px){.tools{grid-template-columns:repeat(3,1fr)}}
.vh,.vh-wrap{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;white-space:nowrap!important;border:0!important;padding:0!important;margin:-1px!important}