:root{
  --bg:#f4f7f8;--surface:#fff;--surface-2:#eef3f4;--surface-3:#e7efef;--text:#172126;--muted:#64747b;
  --line:#d8e2e5;--line-strong:#c7d5d9;--primary:#0f766e;--primary-2:#0b5f59;--primary-soft:#e5f4f1;
  --danger:#b42318;--warning:#b54708;--ok:#237a52;--violet:#7655bb;
  --radius:18px;--radius-sm:12px;--shadow:0 12px 34px rgba(24,39,45,.08);--shadow-sm:0 4px 14px rgba(24,39,45,.06);
  --content:1180px;--font-scale:1;--safe-b:env(safe-area-inset-bottom,0px);--safe-l:env(safe-area-inset-left,0px);--safe-r:env(safe-area-inset-right,0px)
}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0d1518;--surface:#152126;--surface-2:#1c2b30;--surface-3:#22343a;--text:#eef7f7;--muted:#aab9bd;--line:#2b3d43;--line-strong:#395059;--primary:#4cc2b4;--primary-2:#67d3c6;--primary-soft:#173a38;--shadow:0 16px 34px rgba(0,0,0,.2);--shadow-sm:0 5px 18px rgba(0,0,0,.16)}}
:root[data-theme="dark"]{--bg:#0d1518;--surface:#152126;--surface-2:#1c2b30;--surface-3:#22343a;--text:#eef7f7;--muted:#aab9bd;--line:#2b3d43;--line-strong:#395059;--primary:#4cc2b4;--primary-2:#67d3c6;--primary-soft:#173a38;--shadow:0 16px 34px rgba(0,0,0,.2);--shadow-sm:0 5px 18px rgba(0,0,0,.16)}

*{box-sizing:border-box}
html{font-size:calc(16px * var(--font-scale));scroll-behavior:smooth;overflow-y:scroll;scrollbar-gutter:stable}
body{margin:0;min-height:100dvh;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
button,input,textarea,select{font:inherit;color:inherit}button,a,input,textarea,select{outline-offset:3px}button{border:0}a{color:inherit;text-decoration:none}img,svg{max-width:100%}
:focus-visible{outline:3px solid color-mix(in srgb,var(--primary) 70%,white)}
::selection{background:color-mix(in srgb,var(--primary) 28%,transparent)}
[hidden]{display:none!important}

.appbar{position:sticky;top:0;z-index:50;min-height:72px;padding:8px max(18px,var(--safe-r)) 8px max(18px,var(--safe-l));display:flex;align-items:center;justify-content:space-between;gap:16px;background:color-mix(in srgb,var(--surface) 90%,transparent);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;min-width:0}.brand>span:last-child{display:grid;min-width:0}.brand strong,.brand small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.brand small{color:var(--muted);font-size:.78rem}
.brand-mark{width:52px;height:52px;border-radius:17px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),#38a89b);color:#fff;font-weight:850;font-size:1.3rem;box-shadow:var(--shadow);flex:0 0 auto}.brand-mark.small{width:40px;height:40px;border-radius:13px;font-size:1rem}.admin-mark{background:linear-gradient(135deg,#185f8e,#0f766e)}
.appbar-actions,.font-controls{display:flex;gap:7px;align-items:center}.icon-btn{min-width:42px;height:42px;padding:0 10px;border:1px solid var(--line);background:var(--surface);border-radius:12px;display:grid;place-items:center;cursor:pointer;box-shadow:0 1px 0 rgba(0,0,0,.02)}.icon-btn:hover{border-color:var(--line-strong);background:var(--surface-2)}

.layout{width:min(100%,calc(var(--content) + 40px));margin:0 auto;display:grid;grid-template-columns:224px minmax(0,1fr);gap:30px;padding:28px 20px 96px;min-height:calc(100dvh - 72px)}
.sidebar{position:sticky;top:100px;height:fit-content;min-width:0}.sidebar nav{display:grid;gap:6px}.sidebar nav a{min-height:44px;padding:11px 13px;border-radius:12px;color:var(--muted);display:flex;align-items:center;justify-content:space-between;gap:10px;border:1px solid transparent}.sidebar nav a:hover{background:color-mix(in srgb,var(--surface) 72%,transparent);color:var(--text)}.sidebar nav a.active{background:var(--surface);color:var(--text);border-color:var(--line);box-shadow:var(--shadow-sm);font-weight:750}
.badge,.bottom-nav b{min-width:20px;height:20px;padding:0 6px;border-radius:99px;display:grid;place-items:center;background:var(--primary);color:#fff;font-size:.72rem;font-weight:800}
.session-card{margin-top:22px;padding:14px;border:1px solid var(--line);border-radius:15px;background:color-mix(in srgb,var(--surface) 62%,var(--surface-2));display:grid;gap:7px}.session-card small,.session-card strong{overflow:hidden;text-overflow:ellipsis}.session-card strong{font-size:.9rem}.session-time{font-size:.8rem;color:var(--muted)}

.content{min-width:0;min-height:620px}.hero,.page-head{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;margin-bottom:24px}.hero h1,.page-head h1{font-size:clamp(1.75rem,4vw,2.65rem);line-height:1.08;letter-spacing:-.035em;margin:.18rem 0 .72rem}.hero p,.page-head p{color:var(--muted);max-width:720px;margin:.2rem 0}.eyebrow{text-transform:uppercase;letter-spacing:.11em;font-size:.72rem;font-weight:850;color:var(--primary)!important;margin-bottom:.35rem!important}.hero-actions{display:flex;gap:9px;flex-wrap:wrap;justify-content:flex-end}.hero-stat{width:112px;height:112px;flex:0 0 auto;border-radius:28px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);display:grid;place-items:center;align-content:center}.hero-stat strong{font-size:2.2rem;line-height:1}.hero-stat span{color:var(--muted);margin-top:5px}

.question-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.question-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);overflow:hidden;display:flex;flex-direction:column;min-height:220px}.question-card:before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:var(--line-strong)}.question-card.priority-important:before{background:#f59e0b}.question-card.priority-urgent:before{background:#dc2626}.question-card h2{font-size:1.08rem;line-height:1.35;margin:14px 0 8px}.question-card>p{color:var(--muted);margin:.15rem 0 0}.card-top,.card-actions,.composer-actions{display:flex;justify-content:space-between;gap:10px;align-items:center;flex-wrap:wrap}.card-actions{margin-top:auto;padding-top:18px}
.status{display:inline-flex;align-items:center;min-height:27px;font-size:.75rem;font-weight:800;padding:4px 9px;border-radius:999px;background:var(--surface-2);white-space:nowrap}.status.open{color:var(--warning);background:color-mix(in srgb,#f59e0b 11%,var(--surface))}.status.answered{color:var(--ok);background:color-mix(in srgb,var(--ok) 10%,var(--surface))}.status.clarify{color:var(--violet);background:color-mix(in srgb,var(--violet) 11%,var(--surface))}.status.closed{color:var(--muted)}.muted{color:var(--muted);font-size:.84rem}

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 15px;border-radius:12px;border:1px solid transparent;font-weight:760;cursor:pointer;transition:background-color .16s ease,border-color .16s ease,transform .16s ease,box-shadow .16s ease}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn.primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px color-mix(in srgb,var(--primary) 20%,transparent)}.btn.primary:hover{background:var(--primary-2)}.btn.ghost{background:var(--surface);border-color:var(--line)}.btn.ghost:hover{border-color:var(--line-strong);background:var(--surface-2)}.btn.compact{min-height:36px;padding:7px 10px;font-size:.82rem}.text-link{color:var(--primary);font-weight:750;text-align:center}.form-actions{display:flex;justify-content:flex-start;gap:10px}

.doc-list,.chat-stream{display:grid;gap:11px}.doc-row,.admin-row,.activity-row{background:var(--surface);border:1px solid var(--line);border-radius:15px;padding:14px;display:flex;gap:14px;align-items:center;box-shadow:0 1px 0 rgba(0,0,0,.015)}.doc-row:hover,.admin-row:hover{border-color:var(--line-strong)}.file-icon{width:48px;height:48px;flex:0 0 auto;border-radius:13px;display:grid;place-items:center;background:var(--surface-2);border:1px solid var(--line);font-size:.69rem;font-weight:900;letter-spacing:.04em;color:var(--primary)}.doc-main,.admin-row-main{min-width:0;display:grid;gap:3px;flex:1}.doc-main strong,.doc-main span,.doc-main small,.admin-row-main>*{overflow-wrap:anywhere}.doc-main span,.doc-main small,.admin-row small{color:var(--muted);font-size:.82rem}.doc-main p,.admin-row-main p{margin:.35rem 0;color:var(--muted);font-size:.9rem}.search{display:grid;gap:6px;font-size:.78rem;color:var(--muted);min-width:min(320px,100%)}.search span{font-weight:700}.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:11px 13px;margin:-8px 0 16px;border:1px solid var(--line);border-radius:13px;background:var(--surface)}.filter-bar span{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:850}.filter-bar strong{font-size:.88rem;min-width:0;overflow-wrap:anywhere}.filter-bar a{margin-left:auto;color:var(--primary);font-size:.84rem;font-weight:800}

input,textarea,select{width:100%;border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:11px 12px;transition:border-color .15s ease,box-shadow .15s ease,background-color .15s ease}input:hover,textarea:hover,select:hover{border-color:var(--line-strong)}input:focus,textarea:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 12%,transparent)}textarea{resize:vertical;min-height:110px}.file-field input[type="file"]{padding:9px;background:var(--surface-2)}

.chat-head{margin-bottom:16px}.context-card{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:16px;padding:15px 16px;border:1px solid color-mix(in srgb,var(--primary) 28%,var(--line));border-radius:15px;background:color-mix(in srgb,var(--primary-soft) 65%,var(--surface))}.context-card>div{display:grid;gap:6px;min-width:0}.context-card strong{font-size:.98rem}.context-card p{margin:0;color:var(--muted);font-size:.88rem}.chat-shell{display:grid;gap:16px}.chat-stream{min-height:260px;padding:4px 2px 2px}.message{width:min(760px,88%);background:var(--surface);border:1px solid var(--line);border-radius:18px 18px 18px 7px;padding:12px 14px;box-shadow:var(--shadow-sm)}.message.own{margin-left:auto;background:color-mix(in srgb,var(--primary) 8%,var(--surface));border-color:color-mix(in srgb,var(--primary) 24%,var(--line));border-radius:18px 18px 7px 18px}.message-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:4px;font-size:.76rem}.message-meta time{color:var(--muted);white-space:nowrap}.message p{margin:.45rem 0;overflow-wrap:anywhere;white-space:normal}.message footer{display:flex;justify-content:flex-end;gap:10px;color:var(--muted);font-size:.75rem}.message footer a{color:var(--primary);font-weight:800}.message-context{display:inline-block;margin-top:2px;font-size:.72rem;color:var(--primary);font-weight:800}.message blockquote{margin:7px 0 9px;padding:8px 10px;border-left:3px solid var(--primary);background:var(--surface-2);border-radius:7px;color:var(--muted);font-size:.84rem;overflow-wrap:anywhere}.composer{position:sticky;bottom:14px;z-index:15;background:color-mix(in srgb,var(--surface) 95%,transparent);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:19px;padding:14px;box-shadow:0 18px 38px rgba(23,33,38,.13);display:grid;gap:10px}.composer label,.stack label,.form-grid label{display:grid;gap:6px;font-weight:680}.composer label>span{font-size:.84rem}.reply-chip{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:.8rem;background:var(--surface-2);padding:8px 10px;border-radius:10px}.reply-chip a{font-size:1.2rem;line-height:1;color:var(--muted)}

.empty-state{padding:42px 24px;text-align:center;background:var(--surface);border:1px dashed var(--line-strong);border-radius:16px;color:var(--muted)}.empty-state strong{display:block;color:var(--text);margin-bottom:4px}.empty-state p{margin:.2rem auto 0;max-width:520px}.empty-icon{width:46px;height:46px;margin:0 auto 10px;border-radius:14px;display:grid;place-items:center;background:var(--surface-2);color:var(--primary);font-weight:900}.compact-empty{padding:24px}

.auth-shell{min-height:100dvh;display:grid;place-items:center;padding:22px}.auth-card{width:min(480px,100%);background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:clamp(22px,5vw,38px);box-shadow:var(--shadow)}.auth-card h1{margin:.4rem 0;letter-spacing:-.025em}.lead,.privacy-note{color:var(--muted)}.privacy-note{font-size:.82rem;margin:20px 0 0}.stack{display:grid;gap:14px}.alert{padding:11px 13px;border:1px solid var(--line);border-radius:12px;margin:10px 0;background:var(--surface)}.alert strong{color:var(--text)}.alert.success{border-left:4px solid var(--ok)}.alert.error{border-left:4px solid var(--danger)}.alert.info{border-left:4px solid var(--primary)}.alert code{font-size:.78rem;background:var(--surface-2);padding:2px 5px;border-radius:5px}

.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:18px;box-shadow:var(--shadow-sm)}.panel.narrow{max-width:760px}.panel h2{margin:0}.panel-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;margin-bottom:16px}.panel-head p{margin:.25rem 0 0;color:var(--muted);font-size:.88rem}.feature-panel{border-color:color-mix(in srgb,var(--primary) 22%,var(--line));background:linear-gradient(180deg,color-mix(in srgb,var(--primary-soft) 30%,var(--surface)),var(--surface) 135px)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-grid .span-2{grid-column:1/-1}.admin-row,.activity-row{justify-content:space-between;margin-top:8px}.row-title{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.row-actions{flex:0 0 auto}.inline-form{display:flex;align-items:center;gap:8px}.inline-form select{min-width:145px}.activity-row>div{display:grid;gap:2px;min-width:0}.activity-row time{color:var(--muted);font-size:.8rem;white-space:nowrap}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px}.stat-card{background:var(--surface);border:1px solid var(--line);border-radius:17px;padding:19px;display:grid;gap:3px;box-shadow:var(--shadow-sm)}.stat-card:hover{border-color:var(--line-strong);transform:translateY(-1px)}.stat-card strong{font-size:2rem;line-height:1.1;order:-1}.stat-card span{font-weight:750}.stat-card small{color:var(--muted)}.toggle-row{display:flex!important;justify-content:space-between;align-items:center;gap:18px;padding:14px 0;border-bottom:1px solid var(--line)}.toggle-row:last-of-type{border-bottom:0}.toggle-row span{display:grid}.toggle-row small{color:var(--muted)}.toggle-row input{width:23px;height:23px;accent-color:var(--primary);flex:0 0 auto}.settings-panel .form-actions{padding-top:4px}

.bottom-nav{display:none}.bottom-nav em{font-style:normal}.to-top{position:fixed;z-index:55;right:max(18px,var(--safe-r));bottom:calc(18px + var(--safe-b));width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);cursor:pointer;opacity:0;pointer-events:none;transform:translateY(6px);transition:.18s}.to-top.show{opacity:1;pointer-events:auto;transform:none}

.print-page{background:#e7ebee}.print-sheet{max-width:210mm;min-height:297mm;margin:20px auto;background:#fff;color:#111;padding:18mm;box-shadow:0 3px 20px #0002}.print-actions{text-align:right}.print-question{padding:12px 0;border-bottom:1px solid #ddd}.print-question h2{font-size:16px}.print-question p{font-size:12px}

/* Installer */
.installer-shell{align-items:start;padding-top:clamp(18px,5vw,54px);padding-bottom:54px}.installer-card{width:min(880px,100%)}.install-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:20px 0 26px}.install-steps span{padding:9px 10px;border-radius:10px;background:var(--surface-2);color:var(--muted);font-size:.78rem;font-weight:800;text-align:center}.install-steps span.current{background:color-mix(in srgb,var(--primary) 16%,var(--surface));color:var(--primary)}.install-steps span.done{background:color-mix(in srgb,var(--ok) 14%,var(--surface));color:var(--ok)}.installer-section{padding-top:20px;margin-top:20px;border-top:1px solid var(--line)}.installer-section:first-of-type{margin-top:0}.installer-section h2{margin:.15rem 0 .35rem;font-size:1.12rem}.installer-section>p,.section-head p{color:var(--muted);margin-top:.25rem}.install-check small{max-width:560px}.installer-form>.btn.primary{width:100%;margin-top:10px}.installer-form>.btn:disabled{opacity:.48;cursor:not-allowed}.install-finish{text-align:center;padding:32px 0 8px}.finish-mark{width:68px;height:68px;border-radius:22px;display:grid;place-items:center;margin:0 auto 16px;background:color-mix(in srgb,var(--ok) 14%,var(--surface));color:var(--ok);font-size:2rem;font-weight:900}.install-finish .btn{margin:6px}

@media(max-width:960px){.layout{grid-template-columns:198px minmax(0,1fr);gap:22px}.question-grid{gap:14px}.appbar-actions{gap:5px}}
@media(max-width:820px){
  html{overflow-y:auto;scrollbar-gutter:auto}.layout{display:block;width:100%;padding:20px 14px 112px;min-height:calc(100dvh - 72px)}.sidebar{display:none}.content{min-height:0}.question-grid{grid-template-columns:1fr}.bottom-nav{position:fixed;z-index:60;display:grid;left:max(10px,var(--safe-l));right:max(10px,var(--safe-r));bottom:calc(10px + var(--safe-b));background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:18px;padding:6px;box-shadow:0 16px 38px rgba(18,30,35,.16)}.user-bottom-nav{grid-template-columns:repeat(4,1fr)}.admin-bottom-nav{grid-template-columns:repeat(5,1fr)}.bottom-nav a{position:relative;min-width:0;display:grid;place-items:center;gap:2px;border-radius:12px;padding:6px 4px;font-size:.68rem;color:var(--muted)}.bottom-nav a.active{background:var(--surface-2);color:var(--text);font-weight:750}.bottom-nav span{font-size:1.05rem}.bottom-nav em{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bottom-nav b{position:absolute;top:2px;right:12%;font-size:.62rem}.to-top{bottom:calc(92px + var(--safe-b))}.hero-stat{width:84px;height:84px;border-radius:22px}.page-head{display:grid}.search{min-width:0}.composer{bottom:88px}.form-grid{grid-template-columns:1fr}.form-grid .span-2{grid-column:auto}.stat-grid{grid-template-columns:repeat(3,1fr)}.inline-form{align-items:stretch;flex-direction:column}.admin-row{align-items:flex-start}.row-actions{width:160px}.user-view-link{display:none}.font-controls{display:none}.context-card{align-items:stretch}.admin-hero{display:grid}.hero-actions{justify-content:flex-start}.admin-content{padding-bottom:4px}
}
@media(max-width:620px){.stat-grid{grid-template-columns:1fr}.stat-card{grid-template-columns:auto 1fr;column-gap:12px;align-items:center}.stat-card strong{grid-row:1/3;font-size:1.65rem}.stat-card small{grid-column:2}.activity-row{align-items:flex-start}.activity-row time{white-space:normal}.question-admin-row,.document-admin-row{flex-wrap:wrap}.row-actions{width:100%;display:grid;grid-template-columns:1fr auto;flex-direction:row}.inline-form select{min-width:0}.hero-actions .btn{flex:1 1 180px}}
@media(max-width:460px){
  .appbar{min-height:64px;padding-top:7px;padding-bottom:7px}.brand small{display:none}.brand-mark.small{width:38px;height:38px}.appbar-actions .icon-btn{min-width:40px;height:40px}.layout{padding-top:16px}.hero{display:grid}.hero-stat{width:100%;height:auto;display:flex;justify-content:flex-start;gap:6px;padding:12px 15px}.hero-stat strong{font-size:1.35rem}.hero-stat span{margin:0}.question-card{padding:16px;min-height:0}.card-actions .btn{width:100%}.doc-row{align-items:flex-start;flex-wrap:wrap}.doc-row .btn{width:100%}.message{width:96%}.message-meta{display:grid;gap:0}.message-meta time{white-space:normal}.auth-shell{padding:12px}.auth-card{border-radius:19px}.composer-actions{align-items:stretch}.composer-actions .btn{width:100%}.context-card{display:grid}.context-card .btn{width:100%}.panel{padding:16px}.toggle-row{align-items:flex-start}.filter-bar a{margin-left:0;width:100%}.bottom-nav em{font-size:.64rem}.admin-bottom-nav b{right:6%}.mobile-hide{display:none}}
@media(max-width:340px){.layout{padding-left:10px;padding-right:10px}.question-card{padding:14px}.bottom-nav{left:6px;right:6px}.btn{padding:9px 11px}.bottom-nav a{padding-left:2px;padding-right:2px}.bottom-nav em{font-size:.6rem}.appbar-actions{gap:3px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}.btn:hover,.stat-card:hover{transform:none!important}}
@media print{.print-page{background:#fff}.print-sheet{box-shadow:none;margin:0;padding:10mm;max-width:none}.print-actions{display:none}.print-question{break-inside:avoid}}