:root{--background:#f8fafc;--foreground:#0f172a;--muted:#64748b;--muted-strong:#334155;--surface:#fff;--surface-alt:#f1f5f9;--surface-soft:#eff6ff;--border:#e2e8f0;--border-strong:#cbd5e1;--primary:#2563eb;--primary-dark:#1d4ed8;--sidebar-bg:linear-gradient(180deg,#020617,#0f172a 52%,#1e293b);--shell-bg:radial-gradient(circle at 20% -10%,#eef2ff 0%,#f8fafc 45%,#f1f5f9 100%);--shadow-soft:0 12px 30px rgba(15,23,42,.05);--shadow-panel:0 16px 40px rgba(15,23,42,.08);--radius-card:20px;--radius-pill:999px;--content-max:960px;--content-wide:1200px;--sidebar-width:272px;--mobile-header-height:72px;--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--background);color:var(--foreground);font-family:Arial,Helvetica,sans-serif;margin:0;padding:0}a{color:inherit}button,input,select,textarea{font:inherit}button{touch-action:manipulation}.codex-shell{min-height:100vh;background:var(--shell-bg)}.codex-shell__mobileBar{position:sticky;top:0;z-index:70;display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);min-height:var(--mobile-header-height);padding:.9rem 1rem;background:rgba(248,250,252,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(148,163,184,.16)}.codex-shell__mobileBrand{min-width:0}.codex-shell__eyebrow{margin:0 0 .2rem;font-size:.72rem;font-weight:700;letter-spacing:.12em;color:#2563eb;text-transform:uppercase}.codex-shell__section{margin:0;font-size:1rem;font-weight:700;color:#0f172a}.codex-shell__drawerClose,.codex-shell__menuButton{display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:14px;border:1px solid rgba(148,163,184,.28);background:hsla(0,0%,100%,.96);color:#0f172a;cursor:pointer}.codex-shell__menuIcon,.codex-shell__menuIcon:after,.codex-shell__menuIcon:before{display:block;width:18px;height:2px;border-radius:999px;background:currentColor;transition:transform .2s ease,opacity .2s ease;content:""}.codex-shell__menuIcon{position:relative}.codex-shell__menuIcon:before{position:absolute;top:-6px;left:0}.codex-shell__menuIcon:after{position:absolute;top:6px;left:0}.codex-shell__body{display:block}.codex-sidebar-desktop{display:none}.codex-shell__main{min-width:0;padding:.35rem}.codex-shell__drawerPortal{position:fixed;inset:0;z-index:80;pointer-events:none}.codex-shell__backdrop{position:absolute;inset:0;background:rgba(15,23,42,.52);opacity:0;transition:opacity .2s ease}.codex-shell__drawer{position:absolute;top:0;left:0;bottom:0;width:min(320px,calc(100vw - 2rem));transform:translateX(-100%);transition:transform .24s ease}.codex-shell__drawerPortal[data-open=true]{pointer-events:auto}.codex-shell__drawerPortal[data-open=true] .codex-shell__backdrop{opacity:1}.codex-shell__drawerPortal[data-open=true] .codex-shell__drawer{transform:translateX(0)}.layout-page{min-height:100%;color:#1f2937}.page-container,.page-container--wide{width:min(100%,var(--content-max));margin:0 auto;padding-left:1rem;padding-right:1rem}.page-container--wide{width:min(100%,var(--content-wide))}.page-stack{display:flex;flex-direction:column;gap:1.25rem}.surface-card{border-radius:var(--radius-card);border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow-soft)}.surface-card--panel{box-shadow:var(--shadow-panel)}.hero-card{padding:1.3rem 1rem}.section-label{margin:0 0 .7rem;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:#64748b;font-weight:700}.hero-title{margin:0 0 .7rem;font-size:clamp(1.75rem,7vw,2.2rem);line-height:1.06;color:#0f172a}.hero-copy{margin:0;max-width:760px;font-size:.98rem;line-height:1.65;color:#64748b}.control-cluster{display:flex;flex-wrap:wrap;gap:.75rem}.pill-button,.pill-link,.pill-tab{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;min-height:46px;padding:.72rem 1.05rem;border-radius:var(--radius-pill);text-decoration:none;font-weight:600;transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease}.pill-tab{border:1px solid var(--border);background:#f8fafc;color:#475569}.pill-tab[data-active=true]{border-color:#60a5fa;background:#eff6ff;color:#0f172a;box-shadow:0 8px 20px rgba(37,99,235,.12)}.pill-button{border:none;cursor:pointer}.pill-button--primary{background:var(--primary);color:#fff}.pill-button--primary:hover{background:var(--primary-dark)}.pill-button--success{background:#0f9f53;color:#fff}.pill-button--success:hover{background:#0b7f42}.pill-button--ghost,.pill-link--ghost{background:#fff;color:#334155;border:1px solid var(--border-strong)}.archive-toolbar{padding:1rem}.archive-toolbar__group{display:flex;flex-wrap:wrap;gap:.65rem;align-items:center}.archive-toolbar__navButton{flex:1 1 140px}.archive-toolbar__dateField{flex:1 1 220px}.form-field{display:flex;flex-direction:column;gap:.45rem;font-size:.95rem;color:#374151}.form-input{width:100%;min-height:46px;padding:.78rem .9rem;border-radius:14px;border:1px solid #d1d5db;background:#fff;color:#111827}.board-shell{border-radius:18px;border:1px solid #d8dee8;background:#fff;padding:1rem;box-shadow:0 6px 20px rgba(15,23,42,.08)}.board-scrollHint{margin:-.1rem 0 .85rem;font-size:.82rem;color:#64748b}.board-scrollArea{overflow-x:auto;overflow-y:visible;margin-bottom:1rem;padding-bottom:.4rem;display:flex;justify-content:center;position:relative;scrollbar-width:thin}.board-scrollArea[data-scrollable=true]{justify-content:flex-start}.board-actions{display:grid;gap:.75rem;grid-template-columns:1fr;margin-bottom:.85rem}.board-message{border-radius:12px;border:1px solid #d7dee8;background:#f8fafc;padding:.82rem .9rem;font-size:.94rem;color:#334155}.board-dialog{width:min(520px,100%);background:#fff;border-radius:20px;border:1px solid #dbe3ef;box-shadow:0 20px 50px rgba(15,23,42,.28);padding:1.15rem 1.1rem 1rem}.board-dialog__actions{display:flex;gap:.65rem;flex-wrap:wrap;margin-top:1rem}.download-card{padding:1.4rem 1.05rem;text-align:center}.download-listCard{border-radius:14px;background:#f0f6ff;padding:1.15rem;color:#06c;font-size:.95rem}.download-list{list-style:none;margin:0;padding-left:0;text-align:left;display:inline-block}@media (min-width:640px){.hero-card{padding:1.5rem 1.35rem}.archive-toolbar{padding:1rem 1.25rem}.board-actions{grid-template-columns:repeat(3,minmax(0,1fr))}.download-card{padding:2rem}}@media (min-width:768px){.codex-shell__main{padding:.4rem .55rem}.page-container,.page-container--wide{padding-left:1.25rem;padding-right:1.25rem}}@media (min-width:1024px){.codex-shell__drawerPortal,.codex-shell__mobileBar{display:none}.archive-toolbar__group--nav{align-items:center!important}.archive-toolbar__navButton{flex:0 0 auto;min-width:108px;padding-left:.9rem;padding-right:.9rem}.archive-toolbar__dateField{flex:0 0 220px;width:220px;max-width:220px}.codex-sidebar-desktop{display:block;flex:0 0 var(--sidebar-width)}.codex-shell__body{display:flex;min-height:100vh}.codex-shell__main{flex:1}.hero-card{padding:1.5rem 1.25rem}}