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760px){.fh-steps{grid-template-columns:1fr}}.fh-step{position:relative;padding-inline-start:var(--fh-sp-7)}.fh-step:before{counter-increment:step;content:counter(step);position:absolute;inset-inline-start:0;top:0;width:34px;height:34px;border-radius:var(--fh-radius-pill);background:var(--fh-primary);color:var(--fh-primary-contrast);display:inline-flex;align-items:center;justify-content:center;font-weight:var(--fh-w-bold)}.fh-step h3{font-size:var(--fh-fs-lg)}.fh-step p{color:var(--fh-text-muted);font-size:var(--fh-fs-sm)}.fh-ctaband{margin-top:var(--fh-sp-8);border-radius:var(--fh-radius-xl);background:var(--fh-primary);color:var(--fh-primary-contrast);padding:var(--fh-sp-8);text-align:center}.fh-ctaband h2{color:var(--fh-primary-contrast);margin-bottom:var(--fh-sp-3)}.fh-ctaband p{color:color-mix(in srgb,var(--fh-primary-contrast) 88%,transparent);margin-bottom:var(--fh-sp-5)}.fh-ctaband .fh-btn-primary{background:var(--fh-bg-elevated);color:var(--fh-primary)}.fh-ctaband .fh-btn-primary:hover{background:var(--fh-surface-2)}.fh-billtoggle{display:inline-flex;gap:.25rem;padding:.25rem;border:1px solid var(--fh-border);border-radius:var(--fh-radius-pill);background:var(--fh-surface-2);margin-inline:auto}.fh-billtoggle button{border:0;background:transparent;cursor:pointer;padding:.4rem 1rem;border-radius:var(--fh-radius-pill);color:var(--fh-text-muted);font-weight:var(--fh-w-medium)}.fh-billtoggle button.is-active{background:var(--fh-primary);color:var(--fh-primary-contrast)}.fh-plan{display:flex;flex-direction:column;gap:var(--fh-sp-3);position:relative}.fh-plan.is-highlight{border-color:var(--fh-primary);box-shadow:var(--fh-shadow-md)}.fh-plan__badge{position:absolute;inset-inline-end:var(--fh-sp-4);top:-12px}.fh-plan__price{font-size:var(--fh-fs-3xl);font-weight:var(--fh-w-black)}.fh-plan__price small{font-size:var(--fh-fs-base);color:var(--fh-text-muted);font-weight:var(--fh-w-regular)}.fh-plan__list{list-style:none;padding:0;display:grid;gap:var(--fh-sp-2)}.fh-plan__list li{display:flex;gap:.5rem;align-items:start;color:var(--fh-text-muted);font-size:var(--fh-fs-sm)}.fh-plan__list li:before{content:"✓";color:var(--fh-success);font-weight:var(--fh-w-bold)}.fh-plan .fh-btn{margin-top:auto}.fh-table{width:100%;border-collapse:collapse;margin-top:var(--fh-sp-6);font-size:var(--fh-fs-sm)}.fh-table th,.fh-table td{padding:.7rem .9rem;border-bottom:1px solid var(--fh-border);text-align:start}.fh-table thead th{background:var(--fh-surface-2);font-weight:var(--fh-w-bold)}.fh-table tbody tr:hover{background:var(--fh-surface-hover)}.fh-faq{max-width:780px;margin-inline:auto;display:grid;gap:var(--fh-sp-2)}.fh-faq__item{border:1px solid var(--fh-border);border-radius:var(--fh-radius-md);overflow:hidden;background:var(--fh-surface)}.fh-faq__q{width:100%;text-align:start;background:transparent;border:0;cursor:pointer;padding:var(--fh-sp-4);font-weight:var(--fh-w-bold);color:var(--fh-text);display:flex;justify-content:space-between;gap:var(--fh-sp-3);font-size:var(--fh-fs-base)}.fh-faq__q:hover{background:var(--fh-surface-hover)}.fh-faq__a{padding:0 var(--fh-sp-4) var(--fh-sp-4);color:var(--fh-text-muted)}.fh-faq__chev{transition:transform var(--fh-motion-fast) var(--fh-ease)}.fh-faq__item.is-open .fh-faq__chev{transform:rotate(180deg)}.fh-catnav{display:flex;gap:.5rem;flex-wrap:wrap;justify-content:center;margin-bottom:var(--fh-sp-5)}.fh-form{display:grid;gap:var(--fh-sp-4);max-width:560px}.fh-field{display:grid;gap:.35rem}.fh-field label{font-weight:var(--fh-w-medium);font-size:var(--fh-fs-sm)}.fh-form__msg{padding:.7rem .9rem;border-radius:var(--fh-radius-md);font-size:var(--fh-fs-sm)}.fh-form__msg.is-ok{background:var(--fh-success-soft-bg);color:var(--fh-success-text)}.fh-form__msg.is-err{background:var(--fh-danger-soft-bg);color:var(--fh-danger-text)}.fh-contact-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:var(--fh-sp-7)}@media (max-width: 800px){.fh-contact-grid{grid-template-columns:1fr}}.fh-channel{display:flex;gap:var(--fh-sp-3);align-items:start;margin-bottom:var(--fh-sp-4)}.fh-channel .fh-feature__icon{flex:0 0 auto;margin:0}.fh-docs{display:grid;grid-template-columns:var(--fh-sidebar-w) 1fr;gap:var(--fh-sp-7);align-items:start}@media (max-width: 860px){.fh-docs{grid-template-columns:1fr}}.fh-docs__side{position:sticky;top:calc(var(--fh-header-h) + var(--fh-sp-4))}.fh-docs__side nav a{display:block;padding:.4rem .6rem;border-radius:var(--fh-radius-sm);color:var(--fh-text-muted);font-size:var(--fh-fs-sm)}.fh-docs__side nav a:hover{background:var(--fh-surface-hover);text-decoration:none}.fh-prose{max-width:72ch}.fh-prose h2{margin-top:var(--fh-sp-6);margin-bottom:var(--fh-sp-3)}.fh-prose h3{margin-top:var(--fh-sp-5);margin-bottom:var(--fh-sp-2)}.fh-prose p,.fh-prose li{color:var(--fh-text-muted);margin-bottom:var(--fh-sp-3)}.fh-prose ul,.fh-prose ol{padding-inline-start:var(--fh-sp-5)}.fh-state{text-align:center;padding:var(--fh-sp-10) var(--fh-sp-5);max-width:52ch;margin-inline:auto}.fh-state__icon{font-size:2.5rem;margin-bottom:var(--fh-sp-3)}.fh-state h2{margin-bottom:var(--fh-sp-2)}.fh-state p{color:var(--fh-text-muted);margin-bottom:var(--fh-sp-5)}.fh-loader{display:inline-block;width:34px;height:34px;border:3px solid var(--fh-border);border-top-color:var(--fh-primary);border-radius:50%;animation:fh-spin .8s linear infinite}@keyframes fh-spin{to{transform:rotate(360deg)}}.fh-stub{border:1px dashed var(--fh-border-strong);border-radius:var(--fh-radius-lg);padding:var(--fh-sp-6);background:var(--fh-surface-2)}.fh-stub__tag{display:inline-block;font-family:var(--fh-font-mono);font-size:var(--fh-fs-xs);color:var(--fh-warn-text);background:var(--fh-warn-soft-bg);padding:.2rem .5rem;border-radius:var(--fh-radius-sm);margin-bottom:var(--fh-sp-3)}.fh-btn-outline{background:transparent;color:var(--fh-primary);border:1px solid var(--fh-primary)}.fh-btn-outline:hover{background:var(--fh-primary-soft-bg)}.fh-btn-lg{padding:.85rem 1.4rem;font-size:var(--fh-fs-base)}.fh-btn-block{width:100%;justify-content:center}.fh-container{max-width:var(--fh-container-max);margin-inline:auto;padding-inline:var(--fh-sp-5)}.fh-mt-6{margin-top:var(--fh-sp-6)}.fh-center{text-align:center}.fh-muted{color:var(--fh-text-muted)}.fh-lang{position:relative;display:inline-flex}.fh-lang__btn{min-width:2.25rem;display:inline-flex;align-items:center;justify-content:center}.fh-lang__menu{position:absolute;inset-block-start:calc(100% + 6px);inset-inline-end:0;min-width:9rem;display:flex;flex-direction:column;padding:4px;gap:2px;border:1px solid var(--fh-divider, #E2E8F0);border-radius:12px;background:var(--fh-surface, #fff);box-shadow:0 8px 24px #0f172a2e;z-index:60}.fh-lang__menu button{display:flex;align-items:center;justify-content:space-between;gap:8px;inline-size:100%;padding:8px 10px;border:0;border-radius:8px;background:transparent;color:inherit;font:inherit;text-align:start;cursor:pointer}.fh-lang__menu button:hover,.fh-lang__menu button:focus-visible{background:var(--fh-hover, rgba(37, 99, 235, .08))}.fh-lang__menu button.is-active{font-weight:700;color:var(--fh-accent, #2563EB)}.fh-lang__menu button.is-active:after{content:"✓";margin-inline-start:auto}.fh-lang__menu button[lang=ar]{direction:rtl}.fh-lang__menu button[lang=en],.fh-lang__menu button[lang=fr]{direction:ltr}[dir=rtl] .fh-flip-rtl{transform:scaleX(-1)}.fh-back{display:inline-flex;align-items:center;gap:var(--fh-sp-1);padding:var(--fh-sp-1) var(--fh-sp-3);border:1px solid var(--fh-border);border-radius:var(--fh-radius-pill);background:var(--fh-surface);color:var(--fh-text);font:inherit;font-size:var(--fh-fs-sm);cursor:pointer;transition:background var(--fh-motion-fast) var(--fh-ease),border-color var(--fh-motion-fast) var(--fh-ease)}.fh-back:hover{background:var(--fh-surface-hover);border-color:var(--fh-border-strong)}.fh-back:focus-visible{outline:none;box-shadow:var(--fh-shadow-focus)}.fh-back--icon{padding:var(--fh-sp-1);border-radius:var(--fh-radius-md)}.fh-autharea--loading{width:2rem;height:2rem}.fh-profile{position:relative}.fh-avatar{width:2.25rem;height:2.25rem;border-radius:var(--fh-radius-pill);border:1px solid var(--fh-border);background:var(--fh-primary-soft-bg);color:var(--fh-primary-soft-text);font-weight:var(--fh-w-bold);font-size:var(--fh-fs-sm);cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.fh-avatar:focus-visible{outline:none;box-shadow:var(--fh-shadow-focus)}.fh-profile__menu{position:absolute;inset-inline-end:0;inset-block-start:calc(100% + var(--fh-sp-2));min-width:15rem;background:var(--fh-bg-elevated);border:1px solid var(--fh-border);border-radius:var(--fh-radius-lg);box-shadow:var(--fh-shadow-lg);padding:var(--fh-sp-2);z-index:var(--fh-z-drawer)}.fh-profile__id{padding:var(--fh-sp-2) var(--fh-sp-3)}.fh-profile__name{font-weight:var(--fh-w-bold);color:var(--fh-text)}.fh-profile__email{font-size:var(--fh-fs-sm);color:var(--fh-text-muted)}.fh-profile__item{display:block;width:100%;text-align:start;padding:var(--fh-sp-2) var(--fh-sp-3);border:0;border-radius:var(--fh-radius-md);background:transparent;color:var(--fh-text);font:inherit;text-decoration:none;cursor:pointer}.fh-profile__item:hover{background:var(--fh-surface-hover)}.fh-profile__item:focus-visible{outline:none;box-shadow:var(--fh-shadow-focus)}.fh-profile__item--danger{color:var(--fh-danger-text)}.fh-profile__sep{height:1px;background:var(--fh-border);margin:var(--fh-sp-2) 0}.fh-guard{max-width:32rem;margin:var(--fh-sp-10) auto;padding:var(--fh-sp-8);text-align:center;background:var(--fh-surface);border:1px solid var(--fh-border);border-radius:var(--fh-radius-xl);box-shadow:var(--fh-shadow-sm)}.fh-guard__nav{display:flex;justify-content:flex-start;margin-block-end:var(--fh-sp-4)}.fh-guard__title{font-size:var(--fh-fs-2xl);font-weight:var(--fh-w-bold);color:var(--fh-text);margin:0 0 var(--fh-sp-2)}.fh-guard__body{margin:0 0 var(--fh-sp-6)}.fh-guard__actions{display:flex;gap:var(--fh-sp-3);justify-content:center;flex-wrap:wrap}.fh-chat{display:grid;grid-template-columns:var(--fh-sidebar-w) 1fr;height:calc(100vh - var(--fh-header-h));min-height:0;background:var(--fh-bg)}.fh-chat__main{display:flex;flex-direction:column;min-width:0;min-height:0;position:relative}.fh-rail{display:flex;flex-direction:column;min-height:0;border-inline-end:1px solid var(--fh-border);background:var(--fh-bg-elevated)}.fh-rail__head{padding:var(--fh-sp-4);border-block-end:1px solid var(--fh-border)}.fh-rail__new{width:100%;justify-content:flex-start}.fh-rail__scroll{flex:1;overflow-y:auto;padding:var(--fh-sp-3);display:flex;flex-direction:column;gap:var(--fh-sp-1)}.fh-rail__group-label{font-size:var(--fh-fs-xs);color:var(--fh-text-subtle);font-weight:var(--fh-w-bold);text-transform:uppercase;letter-spacing:.04em;padding:var(--fh-sp-3) var(--fh-sp-2) var(--fh-sp-1)}.fh-convo{display:flex;align-items:center;gap:var(--fh-sp-2);padding:.55rem .65rem;border-radius:var(--fh-radius-md);cursor:pointer;border:1px solid transparent;transition:background var(--fh-motion-fast) var(--fh-ease);position:relative}.fh-convo:hover{background:var(--fh-surface-hover)}.fh-convo[aria-current=true]{background:var(--fh-primary-soft-bg);border-color:var(--fh-primary)}.fh-convo__icon{flex:none;color:var(--fh-text-muted);display:inline-flex}.fh-convo__body{flex:1;min-width:0}.fh-convo__title{font-size:var(--fh-fs-sm);font-weight:var(--fh-w-medium);color:var(--fh-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;unicode-bidi:plaintext}.fh-convo__preview{font-size:var(--fh-fs-xs);color:var(--fh-text-subtle);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;unicode-bidi:plaintext}.fh-convo__pin{flex:none;color:var(--fh-primary);display:inline-flex}.fh-convo__actions{flex:none;display:flex;gap:2px;opacity:0;transition:opacity var(--fh-motion-fast) var(--fh-ease)}.fh-convo:hover .fh-convo__actions,.fh-convo:focus-within .fh-convo__actions{opacity:1}.fh-icon-btn{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:var(--fh-radius-sm);border:none;background:transparent;color:var(--fh-text-muted);cursor:pointer;transition:background var(--fh-motion-fast) var(--fh-ease),color var(--fh-motion-fast) var(--fh-ease)}.fh-icon-btn:hover{background:var(--fh-surface-2);color:var(--fh-text)}.fh-icon-btn--danger:hover{background:var(--fh-danger-soft-bg);color:var(--fh-danger-text)}.fh-rail__empty{padding:var(--fh-sp-6) var(--fh-sp-4);text-align:center;color:var(--fh-text-subtle);font-size:var(--fh-fs-sm)}.fh-skel{background:linear-gradient(90deg,var(--fh-surface-2) 25%,var(--fh-surface-hover) 37%,var(--fh-surface-2) 63%);background-size:400% 100%;animation:fh-shimmer 1.4s ease infinite;border-radius:var(--fh-radius-sm)}@keyframes fh-shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}.fh-skel-row{height:44px;margin-bottom:var(--fh-sp-2);border-radius:var(--fh-radius-md)}.fh-convo__rename{flex:1;min-width:0;font-size:var(--fh-fs-sm);padding:.3rem .45rem;border:1px solid var(--fh-primary);border-radius:var(--fh-radius-sm);background:var(--fh-bg-elevated);color:var(--fh-text);unicode-bidi:plaintext}.fh-thread{flex:1;overflow-y:auto;min-height:0;padding:var(--fh-sp-5) var(--fh-sp-4)}.fh-thread__inner{max-width:var(--fh-chat-max);margin-inline:auto;display:flex;flex-direction:column;gap:var(--fh-sp-4)}.fh-msg{display:flex;flex-direction:column;gap:var(--fh-sp-1);max-width:100%}.fh-msg[data-role=user]{align-items:flex-end}.fh-msg[data-role=assistant]{align-items:flex-start}.fh-msg__meta{display:flex;align-items:center;gap:var(--fh-sp-2);font-size:var(--fh-fs-xs);color:var(--fh-text-subtle);padding-inline:var(--fh-sp-2)}.fh-msg__author{font-weight:var(--fh-w-bold);color:var(--fh-text-muted)}.fh-bubble__content{unicode-bidi:plaintext}.fh-bubble__content p{margin-block:.35em}.fh-bubble__content p:first-child{margin-block-start:0}.fh-bubble__content p:last-child{margin-block-end:0}.fh-bubble__content ul,.fh-bubble__content ol{margin-block:.4em;padding-inline-start:1.4em}.fh-bubble__content li{margin-block:.2em}.fh-bubble__content pre{margin-block:.5em}.fh-bubble__content h1,.fh-bubble__content h2,.fh-bubble__content h3{font-size:var(--fh-fs-lg);margin-block:.5em .3em}.fh-bubble__content strong{font-weight:var(--fh-w-bold)}.fh-bubble__content a{text-decoration:underline}.fh-bubble[data-role=user] .fh-bubble__content a{color:var(--fh-primary-contrast)}.fh-msg__attachments{display:flex;flex-wrap:wrap;gap:var(--fh-sp-2);margin-block-start:var(--fh-sp-2)}.fh-att-thumb{border-radius:var(--fh-radius-md);overflow:hidden;border:1px solid var(--fh-border);max-width:220px}.fh-att-thumb img{display:block;max-width:100%;height:auto}.fh-att-file{display:inline-flex;align-items:center;gap:var(--fh-sp-2);padding:.5rem .75rem;background:var(--fh-surface-2);border:1px solid var(--fh-border);border-radius:var(--fh-radius-md);font-size:var(--fh-fs-sm);color:var(--fh-text);max-width:240px}.fh-att-file__name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;unicode-bidi:plaintext}.fh-msg__actions{display:flex;gap:var(--fh-sp-1);opacity:0;transition:opacity var(--fh-motion-fast) var(--fh-ease);padding-inline:var(--fh-sp-1)}.fh-msg:hover .fh-msg__actions,.fh-msg:focus-within .fh-msg__actions{opacity:1}.fh-msg__action{display:inline-flex;align-items:center;gap:.3rem;padding:.25rem .5rem;font-size:var(--fh-fs-xs);border:none;background:transparent;color:var(--fh-text-muted);border-radius:var(--fh-radius-sm);cursor:pointer;transition:background var(--fh-motion-fast) var(--fh-ease),color var(--fh-motion-fast) var(--fh-ease)}.fh-msg__action:hover{background:var(--fh-surface-2);color:var(--fh-text)}.fh-msg__action[data-copied=true]{color:var(--fh-success-text)}.fh-stream{display:flex;align-items:center;gap:var(--fh-sp-2);align-self:flex-start;padding:.55rem .9rem;background:var(--fh-bubble-assistant-bg);border:1px solid var(--fh-border);border-radius:var(--fh-radius-bubble);border-end-start-radius:var(--fh-radius-sm);max-width:78%}.fh-stream__label{font-size:var(--fh-fs-sm);color:var(--fh-text-muted);unicode-bidi:plaintext;white-space:normal;font-family:var(--fh-font-ui)}.fh-stream-bubble .fh-bubble__content{unicode-bidi:plaintext}.fh-caret{display:inline-block;width:2px;height:1.05em;background:var(--fh-primary);margin-inline-start:2px;vertical-align:text-bottom;animation:fh-blink 1s step-end infinite}@keyframes fh-blink{50%{opacity:0}}.fh-chat-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--fh-sp-5);text-align:center;padding:var(--fh-sp-6) var(--fh-sp-4)}.fh-chat-empty__mark{width:64px;height:64px;opacity:.95}.fh-chat-empty__greeting{font-size:var(--fh-fs-xl);font-weight:var(--fh-w-bold);color:var(--fh-text);max-width:30ch;unicode-bidi:plaintext}.fh-chat-empty__hint{font-size:var(--fh-fs-sm);color:var(--fh-text-subtle)}.fh-starters{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--fh-sp-3);max-width:560px;width:100%}.fh-starter{text-align:start;padding:var(--fh-sp-4);background:var(--fh-surface);border:1px solid var(--fh-border);border-radius:var(--fh-radius-lg);cursor:pointer;font-size:var(--fh-fs-sm);color:var(--fh-text);transition:border-color var(--fh-motion-fast) var(--fh-ease),background var(--fh-motion-fast) var(--fh-ease);unicode-bidi:plaintext}.fh-starter:hover{border-color:var(--fh-primary);background:var(--fh-surface-hover)}.fh-chat-error{align-self:stretch;display:flex;align-items:center;gap:var(--fh-sp-3);padding:.75rem 1rem;background:var(--fh-danger-soft-bg);color:var(--fh-danger-text);border:1px solid var(--fh-danger);border-radius:var(--fh-radius-md);font-size:var(--fh-fs-sm)}.fh-chat-error__msg{flex:1;unicode-bidi:plaintext}.fh-chat-error__retry{flex:none;display:inline-flex;align-items:center;gap:.35rem;padding:.4rem .8rem;border-radius:var(--fh-radius-sm);border:1px solid var(--fh-danger);background:transparent;color:var(--fh-danger-text);font-weight:var(--fh-w-bold);font-size:var(--fh-fs-xs);cursor:pointer}.fh-chat-error__retry:hover{background:var(--fh-danger);color:#fff}.fh-chat-notice{align-self:center;padding:.5rem 1rem;border-radius:var(--fh-radius-pill);font-size:var(--fh-fs-xs);background:var(--fh-warn-soft-bg);color:var(--fh-warn-text)}.fh-composer{border-block-start:1px solid 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var(--fh-ease)}.fh-composer__box:focus-within{border-color:var(--fh-primary);box-shadow:var(--fh-shadow-focus)}.fh-composer__textarea{flex:1;border:none;background:transparent;resize:none;max-height:200px;min-height:24px;color:var(--fh-text);font-family:var(--fh-font-ui);font-size:var(--fh-fs-base);line-height:var(--fh-lh-snug);padding:.45rem .5rem;unicode-bidi:plaintext}.fh-composer__textarea:focus{outline:none}.fh-composer__textarea::placeholder{color:var(--fh-text-subtle)}.fh-composer__tools{display:flex;align-items:center;gap:2px;flex:none}.fh-send-btn{flex:none;display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--fh-radius-lg);border:none;background:var(--fh-primary);color:var(--fh-primary-contrast);cursor:pointer;transition:background var(--fh-motion-fast) var(--fh-ease),opacity var(--fh-motion-fast) 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860px){.fh-settings__nav{position:static;flex-direction:row;flex-wrap:wrap}}.fh-settings__navitem{display:flex;align-items:center;gap:var(--fh-sp-2);width:100%;text-align:start;background:transparent;border:none;color:var(--fh-text-muted);font-family:var(--fh-font-ui);font-size:var(--fh-fs-sm);font-weight:var(--fh-w-medium);padding:.6rem .8rem;border-radius:var(--fh-radius-md);cursor:pointer;transition:background var(--fh-motion-fast) var(--fh-ease),color var(--fh-motion-fast) var(--fh-ease)}.fh-settings__navitem:hover{background:var(--fh-surface-hover);color:var(--fh-text)}.fh-settings__navitem[aria-current=true]{background:var(--fh-primary-soft-bg);color:var(--fh-primary-soft-text);font-weight:var(--fh-w-bold)}.fh-settings__navitem 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var(--fh-border)}.fh-prefrow:first-of-type{border-top:none}.fh-prefrow__label{display:flex;flex-direction:column;gap:.2rem;min-width:0}.fh-prefrow__name{font-weight:var(--fh-w-medium);font-size:var(--fh-fs-base)}.fh-prefrow__hint{color:var(--fh-text-subtle);font-size:var(--fh-fs-xs)}.fh-prefrow__control{flex:none;display:flex;align-items:center;gap:var(--fh-sp-2)}.fh-prefrow__control .fh-select{min-width:180px;width:auto}@media (max-width: 560px){.fh-prefrow{flex-direction:column;align-items:stretch}.fh-prefrow__control .fh-select{min-width:0;width:100%}}.fh-switch{position:relative;display:inline-flex;align-items:center;width:46px;height:26px;flex:none;border:none;border-radius:var(--fh-radius-pill);background:var(--fh-surface-2);border:1px solid var(--fh-border);cursor:pointer;transition:background var(--fh-motion-normal) var(--fh-ease);padding:0}.fh-switch[aria-checked=true]{background:var(--fh-primary);border-color:var(--fh-primary)}.fh-switch__thumb{position:absolute;inset-inline-start:3px;width:18px;height:18px;border-radius:50%;background:#fff;box-shadow:var(--fh-shadow-sm);transition:transform var(--fh-motion-normal) var(--fh-ease)}.fh-switch[aria-checked=true] .fh-switch__thumb{transform:translate(20px)}html[dir=rtl] .fh-switch[aria-checked=true] .fh-switch__thumb{transform:translate(-20px)}.fh-switch:disabled{opacity:.5;cursor:not-allowed}.fh-segment{display:inline-flex;background:var(--fh-surface-2);border:1px solid var(--fh-border);border-radius:var(--fh-radius-pill);padding:3px;gap:3px}.fh-segment__btn{border:none;background:transparent;cursor:pointer;font-family:var(--fh-font-ui);font-size:var(--fh-fs-sm);font-weight:var(--fh-w-medium);color:var(--fh-text-muted);padding:.35rem .8rem;border-radius:var(--fh-radius-pill);transition:background var(--fh-motion-fast) var(--fh-ease),color 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var(--fh-border);border-radius:var(--fh-radius-lg);padding:var(--fh-sp-3) var(--fh-sp-4);box-shadow:var(--fh-shadow-md)}.fh-savebar__status{font-size:var(--fh-fs-sm)}.fh-pm{position:relative;display:inline-block}.fh-pm__trigger{display:inline-flex;align-items:center;gap:var(--fh-sp-2);background:transparent;border:1px solid var(--fh-border);border-radius:var(--fh-radius-pill);padding:.3rem .4rem .3rem .3rem;cursor:pointer;color:var(--fh-text);transition:background var(--fh-motion-fast) var(--fh-ease)}.fh-pm__trigger:hover{background:var(--fh-surface-hover)}.fh-pm__avatar{width:34px;height:34px}.fh-pm__menu{position:absolute;inset-block-start:calc(100% + 8px);inset-inline-end:0;min-width:230px;z-index:var(--fh-z-drawer);background:var(--fh-bg-elevated);border:1px solid var(--fh-border);border-radius:var(--fh-radius-md);box-shadow:var(--fh-shadow-lg);padding:var(--fh-sp-2);display:flex;flex-direction:column;gap:2px}.fh-pm__id{padding:var(--fh-sp-2) var(--fh-sp-3);border-bottom:1px solid var(--fh-border);margin-bottom:4px}.fh-pm__idname{font-weight:var(--fh-w-bold);font-size:var(--fh-fs-sm)}.fh-pm__idemail{color:var(--fh-text-muted);font-size:var(--fh-fs-xs);word-break:break-all}.fh-pm__item{display:flex;align-items:center;gap:var(--fh-sp-3);width:100%;text-align:start;background:transparent;border:none;color:var(--fh-text);font-family:var(--fh-font-ui);font-size:var(--fh-fs-sm);padding:.55rem .75rem;border-radius:var(--fh-radius-sm);cursor:pointer;transition:background var(--fh-motion-fast) var(--fh-ease);text-decoration:none}.fh-pm__item:hover{background:var(--fh-surface-hover);text-decoration:none}.fh-pm__item--danger{color:var(--fh-danger-text)}.fh-pm__sep{height:1px;background:var(--fh-border);margin:4px 0}.fh-pm__ext{margin-inline-start:auto;color:var(--fh-text-subtle);font-size:var(--fh-fs-xs)}.fh-prefs__toolbar{display:flex;align-items:center;gap:var(--fh-sp-3);flex-wrap:wrap}.fh-prefs__search{flex:1 1 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1.25rem 3rem;color:var(--fh-text);line-height:1.7}.docs-header,.legal-header,.help-header{border-bottom:1px solid var(--fh-border);padding-bottom:1rem;margin-bottom:1.5rem}.docs-header h1,.legal-header h1,.help-header h1{color:var(--fh-text);font-size:1.9rem;font-weight:700;margin:0 0 .5rem}.docs-lead,.help-lead,.legal-updated{color:var(--fh-text-muted);font-size:1.1rem;margin:0}.legal-updated{font-size:.9rem}.docs-page{display:grid;grid-template-columns:240px minmax(0,1fr);gap:1.5rem;align-items:start}.docs-header{grid-column:1 / -1}.docs-sidebar{position:sticky;top:1.5rem;background:var(--fh-bg-elevated);border:1px solid var(--fh-border);border-radius:12px;padding:1rem}.docs-nav-group{margin-bottom:1rem}.docs-nav-title{color:var(--fh-text-muted);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;margin:0 0 .5rem}.docs-sidebar a,.legal-toc a{display:block;color:var(--fh-text-muted);text-decoration:none;padding:.25rem 0;border-radius:6px}.docs-sidebar a:hover,.legal-toc a:hover{color:var(--fh-accent)}.docs-content,.legal-body{min-width:0;color:var(--fh-text)}.docs-content h2,.legal-body h2{color:var(--fh-text);font-size:1.35rem;margin:1.5rem 0 .75rem}.docs-content h3,.legal-body h3{color:var(--fh-text);font-size:1.1rem;margin:1rem 0 .5rem}.docs-content p,.legal-body p{color:var(--fh-text)}.docs-content a,.legal-body a{color:var(--fh-accent)}.docs-code,.docs-content pre{background:var(--fh-bg-elevated);color:var(--fh-text);border:1px solid var(--fh-border);border-radius:8px;padding:.75rem 1rem;overflow-x:auto;font-family:var(--fh-font-mono,monospace);font-size:.9rem;line-height:1.5}.legal-toc{background:var(--fh-bg-elevated);border:1px solid var(--fh-border);border-radius:12px;padding:1rem 1.25rem;margin-bottom:1.5rem}.support-channels{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem;margin:1.25rem 0;list-style:none;padding:0}.support-channel{background:var(--fh-bg-elevated);border:1px solid var(--fh-border);border-radius:12px;padding:1rem;color:var(--fh-text)}.support-value{color:var(--fh-accent);font-weight:500}.support-note{color:var(--fh-text-muted);font-size:.9rem}.contact-form-section,.contact-form{display:flex;flex-direction:column;gap:.75rem;max-width:560px}.contact-form input,.contact-form textarea{background:var(--fh-bg);color:var(--fh-text);border:1px solid var(--fh-border-strong,var(--fh-border));border-radius:8px;padding:.75rem;font:inherit}.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--fh-accent);box-shadow:0 0 0 3px #2563eb59}.contact-success{background:#10b9811f;color:var(--fh-success);border:1px solid var(--fh-success);border-radius:8px;padding:.75rem 1rem}.contact-error{background:#ef44441f;color:var(--fh-danger);border:1px solid var(--fh-danger);border-radius:8px;padding:.75rem 1rem}.contact-fallback{color:var(--fh-text-muted);font-size:.9rem}@media (max-width:860px){.docs-page{grid-template-columns:1fr}.docs-sidebar{position:static}}.docs-code,.docs-content pre{background:var(--fh-code-bg, var(--fh-surface-2));color:var(--fh-code-text, var(--fh-text));border:1px solid var(--fh-border);border-radius:var(--fh-radius-md, 8px);padding:var(--fh-sp-3, .75rem) var(--fh-sp-4, 1rem);overflow-x:auto;font-family:var(--fh-font-mono, monospace);font-size:var(--fh-fs-sm, .9rem)}.legal-toc{background:var(--fh-surface-2, var(--fh-bg-elevated));border:1px solid var(--fh-border);border-radius:var(--fh-radius-lg, 12px);padding:var(--fh-sp-4, 1rem) var(--fh-sp-5, 1.25rem);margin-bottom:var(--fh-sp-6, 1.5rem)}.support-channels{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--fh-sp-4, 1rem);margin:var(--fh-sp-5, 1.25rem) 0;list-style:none;padding:0}.support-channel{background:var(--fh-surface-2, var(--fh-bg-elevated));border:1px solid var(--fh-border);border-radius:var(--fh-radius-lg, 12px);padding:var(--fh-sp-4, 1rem);color:var(--fh-text)}.support-value{color:var(--fh-accent, var(--fh-primary));font-weight:500}.support-note{color:var(--fh-text-muted);font-size:var(--fh-fs-sm, .9rem)}.contact-form-section,.contact-form{display:flex;flex-direction:column;gap:var(--fh-sp-3, .75rem);max-width:560px}.contact-form label{color:var(--fh-text);font-weight:500}.contact-form input,.contact-form textarea{background:var(--fh-bg);color:var(--fh-text);border:1px solid var(--fh-border-strong, var(--fh-border));border-radius:var(--fh-radius-md, 8px);padding:var(--fh-sp-3, .75rem);font:inherit}.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--fh-accent, var(--fh-primary));box-shadow:var(--fh-shadow-focus, 0 0 0 3px rgba(37,99,235,.35))}.contact-success{background:var(--fh-success-soft-bg, rgba(16,185,129,.12));color:var(--fh-success-text, var(--fh-success));border:1px solid var(--fh-success);border-radius:var(--fh-radius-md, 8px);padding:var(--fh-sp-3, .75rem) var(--fh-sp-4, 1rem)}.contact-error{background:var(--fh-danger-soft-bg, rgba(239,68,68,.12));color:var(--fh-danger-text, var(--fh-danger));border:1px solid var(--fh-danger);border-radius:var(--fh-radius-md, 8px);padding:var(--fh-sp-3, .75rem) var(--fh-sp-4, 1rem)}.contact-fallback{color:var(--fh-text-muted);font-size:var(--fh-fs-sm, .9rem)}@media (max-width: 860px){.docs-page{grid-template-columns:1fr}.docs-sidebar{position:static}}.fh-autharea{display:flex;align-items:center;gap:.5rem}.fh-autharea--loading{width:96px;height:36px;border-radius:8px;background:var(--fh-bg-elevated);border:1px solid var(--fh-border);opacity:.6}.fh-authmodal{max-width:440px;width:100%;color:var(--fh-text);background:var(--fh-bg)}.fh-field__hint{color:var(--fh-text-muted);font-weight:400;font-size:.85em}