/* A quiet, readable help page inside the site's existing header and theme. */
.faq-page [hidden]{display:none!important}
.faq-page .account-entry{display:grid;place-items:center;width:44px;height:44px;flex:0 0 44px;border-radius:14px;color:var(--text);text-decoration:none}
.faq-page .account-entry svg{width:28px;height:28px}
.faq-main{width:min(950px,100%);margin:66px auto 68px}
.faq-hero{max-width:720px;margin:0 auto 30px;text-align:center}
.faq-kicker{color:var(--cyan);font-size:12px;font-weight:600;margin:0 0 12px;letter-spacing:.015em}
.faq-hero h1{font-size:clamp(29px,4vw,44px);line-height:1.55;margin:0 0 16px}
.faq-hero>p:last-child{font-size:15px;color:var(--muted);line-height:1.95;margin:0 auto;max-width:640px}
.faq-tools{padding:23px;border:1px solid var(--line);border-radius:22px;background:var(--surface2);box-shadow:var(--shadow)}
.faq-search-label{display:block;font-size:13px;color:var(--muted);margin-bottom:9px}
.faq-search-wrap{position:relative;display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:13px;background:var(--bg2);padding-inline:15px}
.faq-search-wrap:focus-within{border-color:var(--cyan);box-shadow:0 0 0 3px #20c9ff15}
.faq-search-wrap>svg{width:23px;height:23px;flex:none;color:var(--cyan)}
.faq-search-wrap input{width:100%;min-width:0;background:transparent;color:var(--text);font:inherit;font-size:14px;border:0;outline:none;padding:16px 0}
.faq-search-wrap input::placeholder{color:var(--muted);opacity:.8}
.faq-search-wrap input::-webkit-search-cancel-button{display:none}
.faq-search-clear{display:grid;place-items:center;width:32px;height:32px;flex:none;border:1px solid var(--line);border-radius:9px;background:var(--surface2);color:var(--text);cursor:pointer}
.faq-search-clear svg{width:18px;height:18px}
.faq-categories{display:flex;flex-wrap:wrap;gap:8px;margin-top:17px}
.faq-categories button{padding:8px 12px;min-height:40px;border-radius:11px;border:1px solid var(--line);color:var(--muted);background:transparent;font:500 12px/1.6 "VazirmatnLocal",Tahoma,Arial,sans-serif;cursor:pointer}
.faq-categories button[aria-pressed="true"]{color:var(--cyan);background:var(--bg2);border-color:var(--cyan)}
.faq-categories button:hover{color:var(--text);border-color:var(--cyan)}
.faq-info{display:flex;align-items:flex-start;gap:10px;margin:20px 3px 8px;color:var(--muted);font-size:12px;line-height:1.9}
.faq-info svg{width:18px;height:18px;flex:none;margin-top:3px;color:var(--cyan)}
.faq-info p{margin:0}
.faq-count{font-size:12px;color:var(--muted);margin:21px 3px 12px;min-height:20px}
.faq-list{display:grid;gap:10px}
.faq-item{border:1px solid var(--line);border-radius:17px;background:var(--surface2);overflow:hidden;scroll-margin-top:125px}
.faq-item[open]{border-color:var(--cyan)}
.faq-item summary{display:flex;align-items:center;gap:15px;list-style:none;padding:20px 22px;cursor:pointer;font-size:15px;font-weight:600;line-height:1.9}
.faq-item summary::-webkit-details-marker{display:none}
.faq-number{font:500 13px/1.6 ui-monospace,Consolas,monospace;color:var(--cyan);min-width:22px}
.faq-question{display:flex;align-items:flex-start;flex-direction:column;gap:5px;flex:1;min-width:0}
.faq-planned{font-size:10px;font-weight:500;line-height:1.65;padding:2px 7px;border:1px solid var(--line);border-radius:6px;color:var(--muted)}
.faq-expand{position:relative;width:25px;height:25px;flex:none;color:var(--cyan);border:1px solid var(--line);border-radius:8px}
.faq-expand::before,.faq-expand::after{content:"";position:absolute;inset:11px 6px auto;height:1px;background:currentColor}
.faq-expand::after{transform:rotate(90deg);transition:transform .16s ease}
.faq-item[open] .faq-expand::after{transform:rotate(0)}
.faq-answer{padding:0 59px 21px;color:var(--muted);font-size:14px;line-height:2;overflow-wrap:anywhere}
.faq-answer p{margin:0 0 12px}
.faq-answer p:last-child{margin-bottom:0}
.faq-answer-links{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:15px}
.faq-answer-links a{color:var(--cyan);text-decoration:underline;text-underline-offset:4px;font-size:13px}
.faq-empty{text-align:center;padding:35px 20px;border:1px dashed var(--line);border-radius:17px;background:var(--surface2)}
.faq-empty h2{font-size:18px;margin:0 0 10px}
.faq-empty p{font-size:14px;color:var(--muted)}
.faq-contact{display:flex;justify-content:space-between;align-items:center;gap:25px;margin-top:28px;border:1px solid var(--line);border-radius:21px;padding:26px;background:linear-gradient(120deg,var(--surface2),var(--bg2))}
.faq-contact h2{font-size:21px;margin:0 0 10px}
.faq-contact p{font-size:13px;line-height:1.95;max-width:450px;color:var(--muted);margin:0}
.faq-contact-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-start;min-width:220px;max-width:270px}
.faq-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;min-height:42px;border:1px solid var(--line);border-radius:11px;background:var(--surface2);color:var(--text);font:500 12px/1.7 "VazirmatnLocal",Tahoma,Arial,sans-serif;text-decoration:none;cursor:pointer}
.faq-button svg{width:18px;height:18px}
.faq-button:hover{color:var(--cyan);border-color:var(--cyan)}
.faq-primary{background:linear-gradient(110deg,var(--blue),var(--purple));border-color:transparent;color:#fff}
.faq-primary:hover{color:#fff;filter:brightness(1.1)}
.faq-main :is(button,a,summary):focus-visible,.faq-skip:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
.faq-skip{position:fixed;top:10px;inset-inline-start:12px;z-index:400;transform:translateY(-180%);padding:12px 18px;background:var(--bg2);color:var(--text);border:1px solid var(--cyan);border-radius:12px}
.faq-skip:focus{transform:none}
@media(max-width:1000px){.faq-page .account-entry{display:none}}
@media(max-width:650px){.faq-main{margin:38px auto 40px}.faq-tools{padding:16px}.faq-search-wrap{gap:8px;padding-inline:10px}.faq-search-wrap input{font-size:12px}.faq-categories{gap:6px}.faq-categories button{padding:8px 10px;font-size:11px}.faq-hero>p:last-child{font-size:13px}.faq-item summary{padding:16px 14px;gap:10px;font-size:14px}.faq-answer{padding:0 20px 18px;font-size:13px}.faq-number{font-size:11px;min-width:16px}.faq-contact{flex-direction:column;align-items:stretch;padding:20px}.faq-contact-actions{max-width:none;min-width:0}}
@media(prefers-reduced-motion:reduce){.faq-expand::after{transition:none}}
@media print{.faq-page .site-header,.faq-tools,.faq-info,.faq-contact,.faq-skip,#mathCanvas{display:none!important}.faq-main{width:100%;margin:0}.faq-item{break-inside:avoid}.faq-item::details-content{content-visibility:visible}.faq-item>div{display:block!important}.faq-answer{color:#222}.faq-expand{display:none}}