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var(--sidebar-border)}.sidebar-logo-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}.sidebar-brand-btn{display:inline-flex;align-items:center;padding:0;border:0;background:transparent;color:inherit;cursor:pointer;width:fit-content;text-align:left}.sidebar-brand-btn:hover{opacity:.9}.sidebar-brand{color:var(--pearl, #ede7d8)}.sidebar-brand .ostria-wordmark{font-size:1.35em;letter-spacing:.08em}.sidebar-logo-tag{font-size:9px;color:var(--sidebar-muted);letter-spacing:.1em;text-transform:uppercase;line-height:1.3;padding-left:2px}.sidebar-tenant{padding:12px 16px;background:var(--sidebar-panel);border:1px solid var(--sidebar-border);margin:12px 10px;border-radius:8px;font-size:12px;color:var(--sidebar-muted)}.sidebar-tenant strong{display:block;color:var(--sidebar-text);font-size:13px}.sidebar-nav{flex:1;padding:8px 0;overflow-y:auto;min-height:0}.sidebar-sessions{padding-top:0}.sidebar-chat-actions{padding:0 12px 8px}.btn-new-chat{width:100%;padding:10px 12px;border-radius:8px;border:1px solid transparent;background:var(--sidebar-new-chat-bg);color:#fff;font-size:13px;font-weight:600;cursor:pointer;transition:background .15s}.btn-new-chat:hover{background:var(--sidebar-new-chat-hover)}.sessions-empty{padding:8px 16px 16px;font-size:12px;color:var(--sidebar-muted)}.session-item{display:block;width:100%;text-align:left;padding:10px 14px;cursor:pointer;border:0;border-bottom:1px solid var(--sidebar-border);background:transparent;font-size:13px;color:inherit}.session-item:hover{background:var(--sidebar-hover)}.session-item.active{background:var(--sidebar-active)}.session-item-title{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--sidebar-text)}.session-item-meta{font-size:11px;color:var(--sidebar-muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.nav-section{padding:12px 16px 4px;font-size:10px;color:var(--sidebar-muted);letter-spacing:1.5px;text-transform:uppercase}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 16px;cursor:pointer;font-size:13px;color:var(--sidebar-muted);transition:all .15s;border-left:3px solid transparent}.nav-item:hover{background:var(--sidebar-hover);color:var(--sidebar-text)}.nav-item.active{background:var(--sidebar-active);color:var(--sidebar-accent);border-left-color:var(--sidebar-accent)}.nav-icon{font-size:12px;width:18px;text-align:center;opacity:.9}.sidebar-user{position:relative;padding:10px 12px;border-top:1px solid var(--sidebar-border);flex-shrink:0}.sidebar-user-btn{display:flex;align-items:center;gap:10px;width:100%;border:0;background:transparent;color:inherit;cursor:pointer;padding:4px;border-radius:8px;text-align:left}.sidebar-user-btn:hover{background:var(--sidebar-hover)}.sidebar-user-chevron{color:var(--sidebar-muted);font-size:12px;flex-shrink:0}.profile-menu{position:absolute;left:10px;right:10px;bottom:calc(100% + 6px);background:var(--sidebar-menu-bg);border:1px solid var(--sidebar-border);border-radius:10px;padding:6px;z-index:60;box-shadow:var(--sidebar-menu-shadow);max-height:min(70vh,420px);overflow-y:auto}.profile-menu button{display:block;width:100%;text-align:left;border:0;background:transparent;color:var(--sidebar-text);font-size:13px;padding:9px 10px;border-radius:6px;cursor:pointer}.profile-menu button:hover{background:var(--sidebar-hover)}.profile-menu button.danger{color:var(--danger)}.profile-menu-label{padding:8px 10px 4px;font-size:10px;color:var(--sidebar-muted);letter-spacing:1px;text-transform:uppercase}.profile-menu-sep{height:1px;background:var(--sidebar-border);margin:4px 6px}.user-avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;flex-shrink:0;overflow:hidden}.user-avatar.has-photo{background:transparent}.user-avatar img{width:100%;height:100%;object-fit:cover;display:block}.sidebar-user-info{flex:1;min-width:0}.sidebar-user-info strong{display:block;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--sidebar-text)}.sidebar-user-info span{font-size:10px;color:var(--sidebar-muted)}.sidebar-user-logout{cursor:pointer;color:var(--sidebar-muted);font-size:14px;padding:4px}.sidebar-user-logout:hover{color:var(--danger)}.main-content{flex:1;overflow:hidden;display:flex;flex-direction:column;min-width:0;height:100vh;background:var(--chat-bg);color:var(--text)}.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 28px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0;gap:12px}.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}.topbar h1{font-family:var(--font-serif);font-size:20px;font-weight:400;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}.topbar-status{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--text-muted);background:color-mix(in srgb,var(--bg) 70%,var(--surface));border:1px solid var(--border);padding:5px 10px;border-radius:999px;white-space:nowrap}.topbar-status-dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px color-mix(in srgb,var(--success) 25%,transparent);flex-shrink:0}.page-content{padding:24px 28px;flex:1;overflow-y:auto}.menu-toggle,.sidebar-close,.nav-backdrop,.mobile-bar{display:none}.menu-toggle{width:36px;height:36px;border-radius:8px;border:1px solid var(--border);background:var(--surface);cursor:pointer;color:var(--text);flex-shrink:0;padding:0;line-height:0;align-items:center;justify-content:center}.menu-toggle .menu-icon{display:block;flex-shrink:0}.menu-toggle:hover{background:var(--composer-surface)}@media(max-width:860px){.menu-toggle,.sidebar-close,.mobile-bar{display:inline-flex}.menu-toggle{align-items:center;justify-content:center}.mobile-bar{display:flex;align-items:center;justify-content:flex-start;gap:12px;padding:10px 14px;padding-top:max(10px,env(safe-area-inset-top));background:var(--chat-bg);border-bottom:1px solid var(--border);flex-shrink:0}.mobile-bar-title{flex:1;text-align:center;font-size:16px;font-weight:700;padding-right:36px}.nav-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;border:0;padding:0;background:#0f172a73;opacity:0;pointer-events:none;transition:opacity .2s ease}.screen-app.nav-open .nav-backdrop{display:block;opacity:1;pointer-events:auto}.sidebar{position:fixed;top:0;left:0;bottom:0;width:min(280px,86vw);z-index:50;transform:translate(-105%);transition:transform .22s ease;box-shadow:8px 0 32px #0f172a40}.screen-app.nav-open .sidebar{transform:translate(0)}.sidebar-logo{padding-right:12px}.sidebar-close{display:inline-flex;margin-left:auto;width:32px;height:32px;align-items:center;justify-content:center;border:0;background:transparent;color:var(--sidebar-muted);cursor:pointer;border-radius:6px}.sidebar-close:hover{color:var(--sidebar-text);background:var(--sidebar-hover)}.topbar{padding:12px 14px}.topbar-status{display:none}.page-content{padding:14px}.modal-backdrop{padding:12px;align-items:flex-end}.modal-panel{width:100%;max-height:92vh;border-radius:16px 16px 0 0}}@media(max-width:420px){.mobile-bar{padding:8px 12px}.page-content{padding:12px}}.landing{--lp-ink: var(--text);--lp-muted: var(--text-muted);--lp-paper: var(--bg);--lp-surface: var(--surface);--lp-line: var(--border);--lp-primary: var(--primary);--lp-accent: var(--accent);--lp-serif: var(--font-serif);--lp-sans: var(--font-sans);height:100%;overflow-x:hidden;overflow-y:auto;background:var(--lp-paper);color:var(--lp-ink);font-family:var(--lp-sans);font-weight:400;-webkit-font-smoothing:antialiased}.landing-wrap{width:min(1080px,calc(100% - 56px));margin:0 auto}.landing-nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:28px;padding:14px 32px;background:color-mix(in srgb,var(--lp-paper) 88%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--lp-line)}.landing-nav-brand{display:inline-flex;align-items:center;color:var(--lp-ink)}.landing-nav-brand .ostria-wordmark{font-size:1.4em;letter-spacing:.08em}.landing-nav-links{display:flex;gap:28px;margin-left:auto;font-size:13px;font-weight:500;color:var(--lp-muted)}.landing-nav-links a:hover{color:var(--lp-ink)}.landing-nav-actions{display:flex;align-items:center;gap:10px}.landing-theme-toggle{border:1.5px solid var(--lp-line);background:var(--lp-surface);color:var(--lp-ink);border-radius:30px;padding:7px 14px;font-size:12px;font-weight:600;cursor:pointer}.landing-theme-toggle:hover{border-color:var(--lp-accent);color:var(--lp-accent)}.landing-nav-signup{font-size:13px;font-weight:600;color:var(--lp-accent);padding:8px 4px}.landing-nav-signup:hover{color:var(--lp-ink)}.landing-nav-cta{font-size:13px;font-weight:600;padding:8px 16px;border-radius:9px;background:var(--lp-primary);color:#fff;letter-spacing:.02em}[data-theme=dark] .landing-nav-cta{color:#0b1418}.landing-nav-cta:hover{opacity:.92}.landing-hero{position:relative;min-height:calc(100vh - 62px);display:flex;align-items:center;justify-content:center;overflow:hidden;text-align:center}.landing-hero-bg{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 80% 60% at 50% 20%,color-mix(in srgb,var(--pearl) 35%,transparent),transparent 55%),radial-gradient(ellipse 70% 50% at 80% 80%,color-mix(in srgb,var(--copper) 18%,transparent),transparent 50%),linear-gradient(160deg,#0a2e36,#0f3d47 42%,#0c2e36);z-index:0}.landing-hero-bg:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:radial-gradient(circle at 20% 30%,rgba(237,231,216,.08) 0%,transparent 2%),radial-gradient(circle at 70% 60%,rgba(237,231,216,.06) 0%,transparent 1.5%),radial-gradient(circle at 40% 75%,rgba(181,122,69,.12) 0%,transparent 3%);background-size:100% 100%;opacity:.9;pointer-events:none;animation:landing-shimmer 12s ease-in-out infinite alternate}[data-theme=light] .landing-hero-bg{background:radial-gradient(ellipse 90% 70% at 50% -10%,#f6f2e9 0%,transparent 55%),radial-gradient(ellipse 50% 40% at 90% 90%,color-mix(in srgb,var(--copper) 14%,transparent),transparent 50%),linear-gradient(165deg,#f4f2ec,#ede7d8 45%,#e3d4b8)}[data-theme=light] .landing-hero-bg:after{background-image:radial-gradient(circle at 30% 40%,rgba(15,61,71,.04) 0%,transparent 40%),radial-gradient(circle at 70% 70%,rgba(181,122,69,.08) 0%,transparent 35%);animation:landing-drift 14s ease-in-out infinite alternate}.landing-hero-content{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;padding:clamp(64px,12vh,120px) 28px;max-width:720px;animation:landing-rise .7s ease-out both}.landing-hero-lockup{color:#ede7d8;margin-bottom:28px;animation:landing-pearl 1.1s ease-out both}.landing-hero-lockup .ostria-wordmark{font-size:clamp(3.2rem,9vw,5.5rem);letter-spacing:.04em}[data-theme=light] .landing-hero-lockup{color:#0f3d47}.landing-tagline{font-family:var(--lp-serif);font-style:italic;font-size:clamp(1.35rem,3vw,1.75rem);color:var(--lp-accent);margin-bottom:18px;animation:landing-rise .7s ease-out .12s both}[data-theme=dark] .landing-hero .landing-tagline{color:#ce9e62}.landing-tagline-sm{font-size:1.25rem;margin-bottom:8px}.landing-hero-lead{font-size:1.05rem;line-height:1.65;color:color-mix(in srgb,#ede7d8 82%,transparent);max-width:42ch;margin-bottom:36px;animation:landing-rise .7s ease-out .2s both}[data-theme=light] .landing-hero-lead{color:var(--lp-muted)}.landing-hero-cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;animation:landing-rise .7s ease-out .28s both}.landing-btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 22px;border-radius:9px;font-size:14px;font-weight:600;letter-spacing:.02em;border:1.5px solid transparent;transition:background .15s ease,color .15s ease,border-color .15s ease,opacity .15s}.landing-btn-primary{background:var(--lp-accent);color:#12232a;border-color:var(--lp-accent)}.landing-btn-primary:hover{opacity:.92}.landing-btn-ghost{background:transparent;border-color:color-mix(in srgb,#ede7d8 35%,transparent);color:#ede7d8}.landing-btn-ghost:hover{border-color:#ede7d8}[data-theme=light] .landing-btn-ghost{border-color:var(--lp-line);color:var(--lp-ink)}[data-theme=light] .landing-btn-ghost:hover{border-color:var(--lp-primary);color:var(--lp-primary)}.landing-section{padding:clamp(64px,10vh,96px) 0;border-top:1px solid var(--lp-line)}.landing-section-alt{background:var(--subtle)}.landing-kicker{font-size:12px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--lp-accent);margin-bottom:12px}.landing-h2{font-family:var(--lp-serif);font-size:clamp(1.75rem,3vw,2.15rem);font-weight:400;letter-spacing:-.01em;line-height:1.15;margin-bottom:12px;max-width:20ch;color:var(--lp-ink)}.landing-section-lead{font-size:1.02rem;line-height:1.6;color:var(--lp-muted);max-width:52ch;margin-bottom:36px}.landing-triad{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.landing-triad-card{border-radius:16px;padding:26px;border:1px solid var(--lp-line);background:var(--lp-surface)}.landing-triad-dot{display:block;width:54px;height:54px;border-radius:50%;margin-bottom:18px}.landing-triad-dot.petrol{background:linear-gradient(135deg,#0f3d47,#0a2e36)}.landing-triad-dot.copper{background:linear-gradient(135deg,#c79a5e,#8f5e33)}.landing-triad-dot.pearl{background:radial-gradient(circle at 34% 30%,#fff,#f0e3c6 55%,#c7a76d);box-shadow:inset 0 2px 5px #ffffff8c}.landing-triad-card h3{font-family:var(--lp-serif);font-size:1.35rem;font-weight:400;margin-bottom:8px}.landing-triad-card p{font-size:14px;color:var(--lp-muted);line-height:1.55}.landing-triad-role{display:block;margin-top:14px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--lp-accent)}.landing-pillars{list-style:none}.landing-pillar{display:grid;grid-template-columns:56px 1fr;column-gap:24px;padding:28px 0;border-top:1px solid var(--lp-line)}.landing-pillar:last-child{border-bottom:1px solid var(--lp-line)}.landing-pillar-num{font-family:var(--lp-serif);font-size:1.25rem;color:var(--lp-accent);line-height:1.3}.landing-pillar h3{grid-column:2;font-family:var(--lp-sans);font-size:1.05rem;font-weight:600;margin-bottom:10px;color:var(--lp-ink)}.landing-pillar p{grid-column:2;color:var(--lp-muted);line-height:1.6;max-width:54ch;font-size:.98rem}.landing-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}.landing-flow{display:flex;flex-direction:column;gap:0}.landing-flow-step{padding:20px 22px;border:1px solid var(--lp-line);background:var(--lp-surface);border-radius:12px}.landing-flow-step span{display:block;font-weight:600;font-size:14px;margin-bottom:6px;color:var(--lp-ink)}.landing-flow-step small{color:var(--lp-muted);font-size:12px;line-height:1.4}.landing-flow-step.accent{border-color:color-mix(in srgb,var(--lp-accent) 45%,var(--lp-line));background:color-mix(in srgb,var(--lp-accent) 8%,var(--lp-surface))}.landing-flow-arrow{width:1px;height:20px;margin:0 0 0 28px;background:var(--lp-line)}.landing-security-list{list-style:none}.landing-security-list li{display:grid;gap:8px;padding:26px 0;border-top:1px solid var(--lp-line)}.landing-security-list li:last-child{border-bottom:1px solid var(--lp-line)}.landing-security-list strong{font-size:1rem;font-weight:600;color:var(--lp-ink)}.landing-security-list span{color:var(--lp-muted);line-height:1.6;max-width:56ch;font-size:.98rem}.landing-position{display:flex;flex-direction:column;align-items:center;gap:0;max-width:720px;margin:0 auto}.landing-position-node{padding:22px 24px;border-radius:14px;border:1px solid var(--lp-line);background:var(--lp-surface);text-align:center}.landing-position-node.tier-top{width:min(52%,340px)}.landing-position-node.tier-mid{width:min(74%,480px)}.landing-position-node.tier-base{width:min(100%,640px)}.landing-position-node.highlight{border-color:color-mix(in srgb,var(--lp-accent) 55%,var(--lp-line));background:color-mix(in srgb,var(--lp-accent) 10%,var(--lp-surface));box-shadow:0 8px 28px color-mix(in srgb,var(--lp-accent) 12%,transparent)}.landing-position-label{display:block;font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--lp-accent);margin-bottom:10px}.landing-position-node strong{display:block;font-family:var(--lp-serif);font-size:1.1rem;font-weight:400;line-height:1.25;margin-bottom:8px;color:var(--lp-ink)}.landing-position-node p{font-size:13px;line-height:1.5;color:var(--lp-muted);margin:0}.landing-position-arrow{width:1.5px;height:22px;background:var(--lp-line);position:relative;flex-shrink:0}.landing-position-arrow:after{content:"";position:absolute;left:50%;bottom:-1px;width:7px;height:7px;border-right:1.5px solid var(--lp-line);border-bottom:1.5px solid var(--lp-line);transform:translate(-50%) rotate(45deg)}.landing-cta-final{padding:clamp(72px,11vh,110px) 0;background:linear-gradient(160deg,#0a2e36,#0f3d47,#0c2e36);border-top:1px solid var(--lp-line);text-align:center;color:#ede7d8}[data-theme=light] .landing-cta-final{background:linear-gradient(165deg,#0f3d47,#0a2e36)}.landing-cta-final-inner{display:flex;flex-direction:column;align-items:center;gap:14px}.landing-cta-final .landing-btn-ghost-on-dark{border-color:color-mix(in srgb,#ede7d8 35%,transparent);color:#ede7d8}.landing-cta-final .landing-btn-ghost-on-dark:hover{border-color:#ede7d8;color:#ede7d8}.landing-cta-brand{color:#ede7d8;margin-bottom:4px}.landing-cta-final .landing-tagline{color:#ce9e62}.landing-cta-final p{color:color-mix(in srgb,#ede7d8 78%,transparent);max-width:42ch;line-height:1.6;margin-bottom:8px;font-size:1rem}.landing-footer{border-top:1px solid var(--lp-line);padding:28px 0 40px;color:var(--lp-muted);font-size:13px;background:var(--lp-paper)}.landing-footer-inner{display:flex;flex-wrap:wrap;gap:16px 32px;justify-content:space-between;align-items:flex-end}.landing-footer-brand-block{display:flex;flex-direction:column;gap:6px}.landing-footer-mark{color:var(--lp-ink)}.landing-footer-sub{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--lp-muted)}@keyframes landing-rise{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}@keyframes landing-pearl{0%{opacity:0;transform:scale(.92)}to{opacity:1;transform:scale(1)}}@keyframes landing-shimmer{0%{opacity:.7;transform:translateY(0)}to{opacity:1;transform:translateY(-8px)}}@keyframes landing-drift{0%{opacity:.75}to{opacity:1}}@media(max-width:960px){.landing-triad{grid-template-columns:1fr}.landing-split{grid-template-columns:1fr;gap:36px}.landing-position-node.tier-top,.landing-position-node.tier-mid,.landing-position-node.tier-base{width:100%}.landing-nav-links{display:none}.landing-nav{gap:12px;padding:12px 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8px;letter-spacing:.02em}.composer-pill-option{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;width:100%;text-align:left;border:none;background:transparent;color:var(--text);border-radius:12px;padding:10px;cursor:pointer}.composer-pill-option:hover:not(:disabled){background:color-mix(in srgb,var(--text) 7%,transparent)}.composer-pill-option.is-active{background:color-mix(in srgb,var(--primary) 12%,transparent)}.composer-pill-option:disabled{opacity:.45;cursor:not-allowed}.composer-pill-option-body{display:flex;flex-direction:column;gap:2px;min-width:0}.composer-pill-option-body strong{font-size:13px;font-weight:600}.composer-pill-option-body small{font-size:12px;color:var(--text-muted);line-height:1.3}.composer-pill-option svg{flex-shrink:0;margin-top:2px;color:var(--primary)}.chat-composer-box:focus-within{border-color:color-mix(in srgb,var(--primary) 55%,var(--composer-border))}.chat-attach-btn{width:40px;height:40px;border-radius:50%;background:transparent;color:var(--text);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}.chat-attach-plus{font-size:26px;line-height:1;font-weight:400}.chat-attach-btn:hover:not(:disabled){background:color-mix(in srgb,var(--text) 8%,transparent)}.chat-attach-btn:disabled{opacity:.45;cursor:not-allowed}.chat-input{flex:1;padding:10px 6px;border:none;border-radius:0;font-size:15px;resize:none;max-height:160px;font-family:inherit;line-height:1.45;background:transparent;color:var(--text)}.chat-input:focus{outline:none}.chat-input::placeholder{color:var(--text-muted)}.chat-send-btn{width:40px;height:40px;border-radius:50%;background:color-mix(in srgb,var(--text) 12%,transparent);color:var(--text-muted);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s,color .15s,transform .12s}.chat-send-btn.is-ready{background:var(--text);color:var(--chat-bg)}.chat-send-btn.is-ready:hover:not(:disabled){transform:translateY(-1px)}.chat-send-btn:disabled{cursor:not-allowed}.chat-send-spinner{width:16px;height:16px;border:2px solid color-mix(in srgb,var(--chat-bg) 35%,transparent);border-top-color:var(--chat-bg);border-radius:50%;animation:chat-spin .7s linear infinite}@keyframes chat-spin{to{transform:rotate(360deg)}}@media(max-width:860px){.chat-topbar{padding:8px 12px;padding-top:max(8px,env(safe-area-inset-top));border-bottom:1px solid color-mix(in srgb,var(--border) 70%,transparent)}.chat-topbar-main{gap:10px}.chat-menu-toggle{display:inline-flex}.chat-home{padding:12px 14px 4px;text-align:center}.chat-home h1{font-size:22px;margin-bottom:6px}.chat-home>p{font-size:13px;line-height:1.45;margin-bottom:14px}.chat-home-actions{justify-content:center;gap:6px}.chat-suggestion{padding:8px 12px;font-size:12px}.chat-layout.is-empty .chat-stage{justify-content:flex-start;padding-top:8px}.chat-layout.is-empty .chat-composer-dock{padding-bottom:max(12px,env(safe-area-inset-bottom))}.chat-thread{padding:4px 12px 20px}.chat-composer-dock{padding:0 10px max(10px,env(safe-area-inset-bottom))}.chat-input{font-size:16px}.msg{gap:8px}.chat-agent-select{max-width:140px}.chat-composer-toolbar{margin:0 2px 8px;gap:4px;justify-content:flex-start}.composer-pill{max-width:min(148px,46vw);font-size:12px;padding:5px 8px;background:var(--surface);border:1px solid var(--border)}.composer-pill:hover:not(:disabled),.composer-pill.is-open{background:var(--composer-surface)}.chat-composer-box{border-radius:22px;padding:4px 6px 4px 4px}.chat-attach-btn,.chat-send-btn{width:36px;height:36px}.chat-attach-plus{font-size:22px}.chat-input{padding:8px 4px}.chat-attach-hint{display:none}}@media(max-width:520px){.chat-topbar{padding:6px 10px;padding-top:max(6px,env(safe-area-inset-top))}.chat-topbar-actions{gap:6px}.chat-new-btn{padding:7px 10px}.chat-home{padding:8px 12px 0}.chat-home h1{font-size:18px;margin-bottom:4px;letter-spacing:-.02em}.chat-home>p{font-size:12.5px;margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.chat-home-actions{flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:center}.chat-suggestion{padding:7px 11px;font-size:12px;border-radius:999px}.chat-status-base,.chat-status-sep{display:none}.chat-composer-toolbar{margin-bottom:6px;gap:6px}.composer-pill{max-width:min(140px,44vw);font-size:11px;padding:4px 8px}.msg.user .msg-bubble{max-width:calc(100% - 36px)}.msg-attach{min-width:0;width:100%}.composer-pill-menu{max-width:min(280px,calc(100vw - 24px))}}@media(max-width:380px){.chat-new-btn-label{display:none}.chat-new-btn{width:34px;height:34px;padding:0;justify-content:center}.chat-home h1{font-size:17px}.composer-pill{max-width:min(118px,40vw)}}.artifact-panel{width:min(420px,46vw);flex-shrink:0;display:flex;flex-direction:column;min-height:0;border-left:1px solid var(--border, rgba(15, 23, 42, .1));background:var(--surface, #fff);color:var(--text);animation:artifact-slide .2s ease-out}@keyframes artifact-slide{0%{opacity:0;transform:translate(12px)}to{opacity:1;transform:none}}.artifact-panel-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:14px 16px 10px;border-bottom:1px solid var(--border, rgba(15, 23, 42, .08))}.artifact-panel-eyebrow{margin:0;font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--text-muted, #6b7280)}.artifact-panel-titles h2{margin:4px 0 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auto;white-space:nowrap}.artifact-version-tab.is-active{background:var(--primary-light);border-color:var(--primary);color:var(--primary)}.artifact-panel-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 16px 12px;border-bottom:1px solid var(--border, rgba(15, 23, 42, .08))}.artifact-file-meta{font-size:11px;color:var(--text-muted, #6b7280);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}.artifact-toolbar-actions{display:flex;gap:6px;flex-shrink:0}.artifact-btn{font-size:12px;font-weight:600;padding:5px 10px;border-radius:8px;border:1px solid var(--border, rgba(15, 23, 42, .12));color:var(--text);text-decoration:none;background:transparent}.artifact-btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.artifact-panel-body{flex:1;min-height:0;overflow:hidden;background:var(--chat-bg, #f4f5f7)}.artifact-preview-scroll{height:100%;overflow:auto;padding:12px}.artifact-pages{display:flex;flex-direction:column;gap:10px;align-items:center}.artifact-page-canvas{width:100%;height:auto;background:#fff;box-shadow:0 1px 4px #0f172a1f;border-radius:2px}.artifact-preview-fallback{padding:24px 12px;text-align:center;font-size:13px;color:var(--text-muted, #6b7280)}.artifact-page-meta{margin:8px 0 0;text-align:center;font-size:11px;color:var(--text-muted, #6b7280)}.msg-attach-wa.is-artifact{border-color:#1a56db40}@media(max-width:900px){.chat-layout.has-artifact .chat-main{max-width:none}.artifact-panel{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;z-index:30;border-left:none;animation:artifact-slide .18s ease-out}}.card{background:var(--surface);border-radius:14px;border:1px solid var(--border);padding:20px;color:var(--text)}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px;flex-wrap:wrap}.card-header-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.table-row-actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.card-title{font-family:var(--font-serif);font-size:16px;font-weight:400}.kb-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-bottom:16px}.kb-step-card{display:flex;gap:14px;align-items:flex-start;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:12px;padding:16px 18px;margin-bottom:14px}.kb-step-card.required{border-color:color-mix(in srgb,var(--primary) 45%,var(--border));background:color-mix(in srgb,var(--primary-light) 70%,var(--surface))}.kb-step-card.done{border-color:color-mix(in srgb,var(--success) 45%,var(--border))}.kb-step-card.locked{opacity:.92}.kb-step-num{width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}[data-theme=dark] .kb-step-num{color:#0f172a}.kb-step-card.locked .kb-step-num{background:color-mix(in srgb,var(--text-muted) 55%,var(--border));color:var(--surface)}[data-theme=dark] .kb-step-card.locked .kb-step-num{background:#64748b;color:#f8fafc}.kb-step-body{flex:1;min-width:0}.kb-step-help{font-size:13px;color:var(--text-muted);margin:4px 0 12px;line-height:1.4}.kb-agent-label{font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.4px}.kb-agent-select{display:block;width:100%;max-width:420px;padding:9px 12px;border:1.5px solid var(--border);border-radius:8px;font-size:14px;background:var(--surface);color:var(--text)}.kb-agent-select option{background:var(--surface);color:var(--text)}.kb-agent-select-empty{border-color:color-mix(in srgb,var(--primary) 55%,var(--border));box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 16%,transparent)}.kb-agent-hint{font-size:12px;color:var(--text-muted);margin-top:10px}.kb-agent-hint strong{color:var(--text);font-weight:600}.kb-agent-warn{margin:10px 0 0;font-size:12px;font-weight:600;color:var(--warning)}.kb-doc-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.kb-queue-hint{font-size:12px;color:var(--text-muted)}.kb-queue-note{margin:-4px 0 12px}.kb-filters{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid var(--border)}.kb-filter-field{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:600;color:var(--text-muted);min-width:min(220px,100%);flex:1}.kb-filter-field .search-input{width:100%;min-width:0;font-weight:400;color:var(--text)}.kb-filter-clear{margin-bottom:1px;flex-shrink:0}.kb-filter-pagesize{flex:0 0 120px;min-width:110px}.kb-pagination{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;padding-top:14px;border-top:1px solid var(--border)}.kb-pagination-info{font-size:12px;color:var(--text-muted)}.kb-pagination-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.kb-pagination-page{font-size:12px;font-weight:600;color:var(--text);min-width:110px;text-align:center}.upload-zone{display:block;border:2px dashed var(--border);border-radius:12px;padding:32px;text-align:center;cursor:pointer;transition:all .2s;margin-top:12px;margin-bottom:0;background:color-mix(in srgb,var(--bg) 55%,var(--surface));color:var(--text)}.upload-zone:hover,.upload-zone.drag{border-color:var(--primary);background:var(--primary-light)}.upload-zone.busy{opacity:.7;cursor:wait}.upload-zone-locked{cursor:not-allowed;background:color-mix(in srgb,var(--bg) 70%,var(--surface));border-color:var(--border);opacity:1;color:var(--text-muted)}.upload-zone-locked:hover{border-color:var(--border);background:color-mix(in srgb,var(--bg) 70%,var(--surface))}.upload-zone-locked .upload-zone-icon,.upload-zone-locked h3,.upload-zone-locked p{color:var(--text-muted)}@media(max-width:640px){.upload-zone{padding:22px 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strong{display:block;font-size:13px;font-weight:600;color:var(--text)}.doc-info span{display:block;font-size:12px;color:var(--text-muted)}.doc-error{color:var(--danger)!important;margin-top:4px;word-break:break-word}.audit-filters{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap}.search-input{padding:7px 12px;border:1.5px solid var(--border);border-radius:8px;font-size:13px;background:var(--surface);color:var(--text);flex:1;min-width:180px}.search-input:disabled{opacity:.7;cursor:not-allowed}.table-wrap{overflow-x:auto;padding:0}.table-wrap table{width:100%;border-collapse:collapse;font-size:13px}.table-wrap thead th{padding:10px 14px;text-align:left;font-size:11px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid var(--border);background:color-mix(in srgb,var(--bg) 70%,var(--surface))}.table-wrap tbody td{padding:11px 14px;border-bottom:1px solid var(--border)}.table-wrap tbody tr:hover{background:color-mix(in 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4px;font-family:var(--font-serif);font-size:24px;font-weight:400;letter-spacing:-.01em;color:var(--text)}.profile-email{margin:0 0 12px;font-size:13px;color:var(--text-muted)}.profile-meta-chips{display:flex;flex-wrap:wrap;gap:6px;justify-content:center}.profile-form{display:flex;flex-direction:column;gap:0;padding:8px 28px 28px}.profile-section{padding:20px 0;border-bottom:1px solid var(--border)}.profile-section:last-of-type{border-bottom:none}.profile-section-head{margin-bottom:14px;text-align:center}.profile-section-head h2{margin:0 0 4px;font-size:14px;font-weight:700;color:var(--text)}.profile-section-head p{margin:0;font-size:12px;color:var(--text-muted)}.profile-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 14px}.profile-span-2{grid-column:1 / -1}.profile-form .field,.modal-body .field{display:flex;flex-direction:column;gap:6px;font-size:12px;font-weight:600;color:var(--text-muted)}.profile-form .search-input,.modal-body 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