:root{color-scheme:light;font-family:Segoe UI,Inter,system-ui,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.5;font-weight:400;color:#172033;background:radial-gradient(circle at top,rgba(243,180,98,.18),transparent 28%),linear-gradient(180deg,#f8fbff,#edf3fb);--surface: rgba(255, 255, 255, .88);--surface-strong: #ffffff;--surface-border: rgba(26, 39, 68, .08);--text-soft: #5c6880;--brand: #102544;--brand-strong: #0a1830;--accent: #e88c30;--accent-soft: #fff1dd;--success: #1f7a5b;--warning: #a35f09;--danger: #c94845;--shadow: 0 20px 40px rgba(16, 37, 68, .08)}*{box-sizing:border-box}body{margin:0;min-height:100vh}a{color:inherit;text-decoration:none}code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}pre{overflow:auto;white-space:pre-wrap;word-break:break-word}.app-shell{min-height:100vh}.topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.25rem 2rem;background:#0a1830f0;color:#fff;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}.topbar-main{display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap}.brand{font-size:1.25rem;font-weight:700}.subtle{margin:.25rem 0 0;color:#cbd5e1;font-size:.95rem}.topbar-nav{display:flex;align-items:center;flex-wrap:wrap;gap:.45rem}.topbar-nav-link{display:inline-flex;align-items:center;min-height:2.35rem;padding:.45rem .9rem;border-radius:999px;color:#ffffffd1;font-size:.92rem;font-weight:600;transition:background .2s ease,color .2s ease}.topbar-nav-link:hover{background:#ffffff14;color:#fff}.topbar-nav-link.is-active{background:#ffffff24;color:#fff;box-shadow:inset 0 1px #ffffff14}.topbar-actions{display:flex;gap:.75rem}.button.topbar-button,button.button.topbar-button{background:#ffffff14;color:#fff;border:1px solid rgba(255,255,255,.2);box-shadow:inset 0 1px #ffffff0f}.button.topbar-button:hover,button.button.topbar-button:hover{background:#ffffff24}.button.topbar-button:focus-visible,button.button.topbar-button:focus-visible{outline:2px solid rgba(255,255,255,.8);outline-offset:2px}.container{max-width:1120px;margin:0 auto;padding:2rem}.card{background:var(--surface);border:1px solid var(--surface-border);border-radius:1.25rem;padding:1.25rem;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.hero h1{margin:.5rem 0;font-size:clamp(2rem,4vw,3rem)}.badge{display:inline-block;background:#dbeafe;color:#1d4ed8;padding:.35rem .65rem;border-radius:999px;font-size:.85rem;font-weight:700}.badge-warm{background:var(--accent-soft);color:#9a5508}.button,button.button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;cursor:pointer;background:var(--brand);color:#fff;padding:.75rem 1rem;border-radius:.85rem;font-weight:600;transition:transform .2s ease,background-color .2s ease,opacity .2s ease}.button:hover,button.button:hover{transform:translateY(-1px)}.button:disabled,button.button:disabled{cursor:not-allowed;opacity:.6;transform:none}.button.secondary{background:#e5e7eb;color:#111827}.button.ghost{background:transparent;color:var(--brand);border:1px solid var(--surface-border)}.grid{display:grid}label{display:grid;gap:.5rem;font-weight:600}input,select,textarea{width:100%;border:1px solid #d1d5db;border-radius:.85rem;padding:.75rem;font:inherit;background:#fff}.panel-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.panel-heading h2,.flow-step-card h2,.syllabus-card h2{margin:0}.subtle-copy{margin:.35rem 0 0;color:var(--text-soft)}.eyebrow{display:inline-block;margin-bottom:.4rem;color:var(--accent);font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.stat-pill{display:inline-flex;align-items:center;justify-content:center;min-width:2.5rem;padding:.35rem .75rem;border-radius:999px;background:#10254414;color:var(--brand);font-weight:700}.connection-gate{display:flex;align-items:center;justify-content:center;min-height:calc(100vh - 72px);padding:2rem}.connection-card{width:100%;max-width:420px;padding:2rem}.connection-brand{text-align:center;margin-bottom:2rem}.connection-title{margin:.6rem 0 .4rem;font-size:1.75rem;line-height:1.15}.connection-hint{margin:0;color:var(--text-soft);font-size:.95rem}.connection-form{display:grid;gap:1.1rem}.connection-submit{width:100%;justify-content:center;padding:.85rem;font-size:1rem}.token-field{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.75rem}.catalog-layout{display:grid;gap:1.25rem;align-content:start}.catalog-topbar{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;padding-bottom:1rem;border-bottom:1px solid var(--surface-border)}.catalog-topbar-copy{display:grid;gap:.35rem}.catalog-topbar-title{margin:0;font-size:clamp(1.7rem,3vw,2.2rem);line-height:1.1;color:var(--brand-strong)}.catalog-topbar-subtitle{margin:0;color:var(--text-soft);max-width:44rem}.catalog-topbar-actions{display:flex;gap:.4rem}.catalog-action-btn{padding:.4rem .85rem;font-size:.85rem}.flow-breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:.05rem}.breadcrumb-item{display:flex;align-items:center;gap:.05rem}.breadcrumb-sep{color:#b0bcce;font-size:1.1rem;padding:0 .2rem;line-height:1}.breadcrumb-link{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:none;border:none;cursor:pointer;color:var(--brand);font-size:.95rem;font-weight:600;padding:.3rem .5rem;border-radius:.5rem;transition:background .15s;font-family:inherit;line-height:1.4}.breadcrumb-link:hover{background:#1025440f}.breadcrumb-current{font-size:.95rem;color:var(--text-soft);padding:.3rem .5rem;line-height:1.4}.catalog-screen{display:grid;gap:1.5rem;align-content:start}.screen-heading{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.screen-title{margin:0;font-size:1.5rem;line-height:1.2}.selection-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(175px,1fr));gap:1rem}.selection-card{-webkit-appearance:none;-moz-appearance:none;appearance:none;display:flex;flex-direction:column;align-items:flex-start;gap:.45rem;padding:1.25rem;border:1px solid var(--surface-border);border-radius:1.1rem;background:var(--surface);cursor:pointer;text-align:left;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;box-shadow:0 2px 12px #1025440d}.selection-card:hover{transform:translateY(-2px);border-color:#10254429;box-shadow:0 10px 28px #1025441a}.selection-card.selected{border-color:#e88c308c;background:linear-gradient(155deg,rgba(255,245,228,.98),var(--surface))}.selection-card-title{font-size:1rem;font-weight:700;color:var(--brand-strong);line-height:1.3}.skeleton-card{min-height:7rem;border-radius:1.1rem;background:linear-gradient(90deg,#1025440d 25%,#10254417,#1025440d 75%);background-size:200% 100%;animation:shimmer 1.4s infinite}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.catalog-split{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.25rem;align-items:start}.flow-step-card,.syllabus-card{display:grid;gap:1rem;align-content:start}.step-card-title{margin:0;font-size:1rem;font-weight:700}.step-list{display:grid;gap:.6rem;max-height:28rem;overflow:auto;padding-right:.2rem}.step-item{width:100%;border:1px solid rgba(16,37,68,.08);border-radius:.95rem;padding:.8rem 1rem;text-align:left;background:#ffffffd1;cursor:pointer;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.step-item:hover{transform:translateY(-1px);border-color:#10254429;box-shadow:0 8px 20px #10254412}.step-item.selected{border-color:#e88c3080;background:linear-gradient(160deg,#fff5e8fa,#fffffff5)}.step-item-header{display:flex;justify-content:space-between;align-items:flex-start;gap:.75rem}.step-item p{margin:.4rem 0 0;color:var(--text-soft);font-size:.88rem}.selection-badge{display:inline-flex;align-items:center;border-radius:999px;padding:.18rem .5rem;background:#e88c3024;color:#8b4e0f;font-size:.75rem;font-weight:700;flex-shrink:0}.version-tabs{display:flex;gap:.6rem;flex-wrap:wrap}.version-tab{-webkit-appearance:none;-moz-appearance:none;appearance:none;display:flex;flex-direction:column;align-items:flex-start;gap:.2rem;padding:.7rem 1.1rem;border:1px solid var(--surface-border);border-radius:.95rem;background:var(--surface);cursor:pointer;transition:border-color .2s,background .2s,transform .2s;font-family:inherit}.version-tab:hover{transform:translateY(-1px);border-color:#10254433}.version-tab.selected{border-color:#e88c3080;background:var(--accent-soft)}.version-tab-label{font-size:.9rem;font-weight:700;color:var(--brand-strong)}.version-tab.selected .version-tab-label{color:#8a4d09}.version-tab-meta{font-size:.75rem;color:var(--text-soft)}.version-tab.selected .version-tab-meta{color:#b06a1e}.item-meta-row{display:flex;flex-wrap:wrap;gap:.4rem}.syllabus-meta{margin-top:.4rem}.meta-chip{display:inline-flex;align-items:center;border-radius:999px;padding:.22rem .55rem;background:#10254412;color:var(--brand);font-size:.78rem}.selected-chip{background:#1f7a5b24;color:var(--success);font-weight:700}.status-pill{display:inline-flex;align-items:center;justify-content:center;min-height:2rem;padding:.3rem .75rem;border-radius:999px;font-size:.82rem;font-weight:700;white-space:nowrap}.status-pill.success{background:#1f7a5b24;color:var(--success)}.status-pill.warning{background:#e88c3026;color:var(--warning)}.status-pill.danger{background:#c948451f;color:var(--danger)}.status-pill.neutral{background:#10254414;color:var(--brand)}.state-copy{margin:0;color:var(--text-soft)}.inline-error{padding:.85rem 1rem;border-radius:.95rem;background:#c9484512;color:var(--danger);border:1px solid rgba(201,72,69,.16);font-size:.9rem}.topic-tree,.topic-tree-children{list-style:none;margin:0;padding:0}.topic-tree{display:grid;gap:.6rem}.topic-tree-children{margin-top:.45rem;margin-left:.85rem;padding-left:.85rem;border-left:2px solid rgba(16,37,68,.07);display:grid;gap:.45rem}.topic-node{border:1px solid rgba(16,37,68,.07);border-radius:.85rem;padding:.6rem .8rem;background:#ffffffbf}.topic-node.selected{border-color:#1f7a5b47;background:#f0faf6f2}.topic-node-row{display:flex;align-items:flex-start;gap:.5rem}.topic-toggle{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:none;border:none;cursor:pointer;padding:0;color:var(--text-soft);font-size:.85rem;line-height:1.5;flex-shrink:0;width:1rem;text-align:center;transition:color .15s;font-family:inherit}.topic-toggle:hover{color:var(--brand)}.topic-leaf-dot{display:block;width:1rem;flex-shrink:0;margin-top:.5rem;height:.35rem;border-radius:999px;background:#1025442e}.topic-name{flex:1;font-size:.88rem;font-weight:600;color:var(--brand-strong);line-height:1.45}.topic-node-meta{display:flex;gap:.3rem;flex-wrap:wrap;flex-shrink:0;align-items:flex-start;padding-top:.1rem}.billing-layout{display:grid;gap:1.35rem;align-content:start}.billing-hero{display:grid;gap:1rem;background:radial-gradient(circle at top right,rgba(232,140,48,.18),transparent 34%),linear-gradient(140deg,#fffffff5,#f8fbfff0)}.billing-hero-grid{display:flex;justify-content:space-between;align-items:flex-start;gap:1.5rem}.billing-hero-copy{max-width:40rem}.billing-title{margin:0;font-size:clamp(1.9rem,3vw,2.55rem);line-height:1.05;color:var(--brand-strong)}.billing-lead{margin:.7rem 0 0;color:var(--text-soft);font-size:1rem;max-width:38rem}.billing-hero-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:.65rem}.billing-summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.25rem}.billing-status-card,.billing-access-card{display:grid;gap:1rem;align-content:start}.billing-status-card.is-success{border-color:#1f7a5b29}.billing-status-card.is-warning{border-color:#e88c3038}.billing-status-card.is-danger{border-color:#c948452e}.billing-status-head{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.billing-section-title{margin:.2rem 0 0;font-size:1.28rem;line-height:1.15;color:var(--brand-strong)}.billing-status-copy{margin:0;color:var(--text-soft)}.billing-stack{display:grid;gap:.75rem}.billing-skeleton-card{min-height:5.5rem}.billing-stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.8rem}.billing-stat{display:grid;gap:.25rem;padding:.9rem 1rem;border-radius:1rem;background:#1025440a}.billing-stat strong{color:var(--brand-strong);line-height:1.3}.billing-stat-label{color:var(--text-soft);font-size:.82rem;font-weight:600}.billing-feature-list,.offer-feature-list{list-style:none;margin:0;padding:0;display:grid;gap:.65rem}.billing-feature-list li,.offer-feature-list li{position:relative;padding-left:1.2rem;color:var(--brand-strong);line-height:1.45}.billing-feature-list li:before,.offer-feature-list li:before{content:"";position:absolute;left:0;top:.58rem;width:.42rem;height:.42rem;border-radius:999px;background:var(--accent)}.billing-process-selection{display:grid;gap:.65rem}.billing-process-tags{display:flex;flex-wrap:wrap;gap:.45rem}.billing-offer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem}.billing-offer-skeleton{min-height:24rem}.offer-card{display:grid;gap:1.1rem;align-content:start}.offer-card.current{border-color:#1f7a5b38;background:radial-gradient(circle at top right,rgba(31,122,91,.09),transparent 28%),linear-gradient(160deg,#f4fbf8f5,#fffffff5)}.offer-card-head{display:grid;gap:.55rem}.offer-badges{display:flex;flex-wrap:wrap;gap:.45rem}.offer-card-title{margin:0;font-size:1.2rem;line-height:1.2;color:var(--brand-strong)}.offer-card-description{margin:0;color:var(--text-soft);min-height:3.9rem}.offer-price-block{display:grid;gap:.65rem}.offer-price-row{display:flex;align-items:flex-end;flex-wrap:wrap;gap:.6rem}.offer-price{color:var(--brand-strong);font-size:2.15rem;line-height:.95;letter-spacing:-.03em}.offer-price-compare{color:var(--text-soft);font-size:.98rem;text-decoration:line-through;padding-bottom:.2rem}.offer-savings{background:#1f7a5b1f;color:var(--success)}.offer-card-footer{display:grid;gap:.65rem;align-self:end}.offer-cta-note{margin:0;color:var(--text-soft);font-size:.88rem}@media (max-width: 840px){.topbar,.panel-heading{flex-direction:column;align-items:flex-start}.container{padding:1.25rem}.token-field{grid-template-columns:1fr}.catalog-topbar{flex-direction:column;align-items:flex-start;gap:.75rem}.topbar-main,.billing-hero-grid,.billing-status-head{flex-direction:column;align-items:flex-start}.billing-hero-actions{justify-content:flex-start}.screen-heading{flex-direction:column;align-items:flex-start;gap:.4rem}.selection-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}}
