:root{--bg:#f4efe4;--surface:#fffbf2e0;--surface-strong:#fffaf0;--line:#5b422d24;--ink:#382a20;--muted:#7a695c;--gold:#f0c56d;--forest:#6f9d73;--rose:#efb28f;--shadow:0 22px 50px #382a201f}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{color:var(--ink);background:radial-gradient(circle at top,#fff5ccb3,#0000 30%),linear-gradient(#f8f2e7 0%,#f0e8db 100%);font-family:Avenir Next,Trebuchet MS,Segoe UI,sans-serif}a{color:inherit;text-decoration:none}.shell{grid-template-columns:280px 1fr;min-height:100vh;display:grid}.sidebar{border-right:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffaefcc;padding:2rem 1.4rem}.brand-kicker{text-transform:uppercase;letter-spacing:.08em;color:#9b785a;font-size:.9rem;font-weight:800}.brand-title{margin:.2rem 0 1.5rem;font-family:Georgia,Times New Roman,serif;font-size:2rem;font-weight:900}.nav-group{gap:.6rem;margin-top:2rem;display:grid}.nav-link{color:var(--muted);border-radius:18px;padding:.9rem 1rem;font-weight:700}.nav-link:hover{color:var(--ink);background:#f0c56d2e}.content{padding:2rem}.page-stack{gap:1.4rem;display:grid}.hero-card,.panel-card,.course-card,.lesson-card{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:28px}.hero-card{grid-template-columns:1.1fr .9fr;display:grid;overflow:hidden}.hero-copy{gap:1rem;padding:2rem;display:grid}.hero-copy h1{margin:0;font-family:Georgia,Times New Roman,serif;font-size:clamp(2.5rem,4vw,4.5rem);line-height:.95}.hero-copy p{color:var(--muted);margin:0;font-size:1.1rem;line-height:1.6}.hero-art{background:radial-gradient(circle at 70% 22%,#fff3b2 0 9%,#0000 10%),linear-gradient(#dff0ff,#f8f2cf 46%,#a9cf9d);min-height:280px;position:relative}.hero-art:before,.hero-art:after{content:"";background:#5a8d60;border-radius:999px 999px 0 0;width:180px;position:absolute;bottom:-4%}.hero-art:before{height:58%;left:12%}.hero-art:after{height:66%;right:10%}.stats-grid,.course-grid,.lesson-grid{gap:1rem;display:grid}.stats-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.doc-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;display:grid}.panel-card,.course-card,.lesson-card{padding:1.4rem}.panel-card h2,.course-card h3,.lesson-card h3{margin:0 0 .7rem}.muted{color:var(--muted)}.doc-card,.doc-shell{gap:.9rem;display:grid}.doc-content{border:1px solid var(--line);color:var(--ink);white-space:pre-wrap;word-break:break-word;background:#ffffff9e;border-radius:22px;margin:0;padding:1.2rem;font:.95rem/1.7 SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace}.badge-row,.inline-meta{flex-wrap:wrap;gap:.6rem;display:flex}.badge{background:#ffffffb8;border:1px solid #382a2014;border-radius:999px;align-items:center;gap:.35rem;padding:.45rem .8rem;font-size:.9rem;font-weight:800;display:inline-flex}.badge.active{background:#6f9d732e}.badge.draft{background:#98c8ea2e}.primary-button,.secondary-button,.ghost-button{cursor:pointer;border:0;border-radius:18px;justify-content:center;align-items:center;gap:.5rem;padding:.9rem 1.2rem;font-size:.98rem;font-weight:800;display:inline-flex}.primary-button{background:linear-gradient(135deg, var(--gold), #e8a95d);color:#2d1b10}.secondary-button{color:var(--ink);border:1px solid var(--line);background:#ffffffbd}.ghost-button{color:#fff;background:#ffffff2e;border:1px solid #ffffff3d}.login-wrap{place-items:center;min-height:100vh;padding:2rem;display:grid}.login-card{width:min(980px,100%);box-shadow:var(--shadow);border:1px solid var(--line);border-radius:34px;grid-template-columns:1fr 440px;display:grid;overflow:hidden}.login-art{background:linear-gradient(160deg,#fff4c8,#dff4e2 44%,#d7e9ff);align-content:space-between;padding:2rem;display:grid}.login-form{background:#fffaf0;gap:1rem;padding:2rem;display:grid}.login-form form{gap:1rem;display:grid}.field{gap:.45rem;display:grid}.field input,.field textarea,.field select{border:1px solid var(--line);font:inherit;background:#fff;border-radius:16px;padding:.9rem 1rem}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;display:grid}.admin-form{gap:1rem;display:grid}.split-fields{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;display:grid}.mini-section{margin:1rem 0}.inline-form{grid-template-columns:minmax(0,1fr) 140px auto;align-items:center;gap:.65rem;display:grid}.inline-form.compact{grid-template-columns:180px auto;margin:1rem 0}.inline-form select{border:1px solid var(--line);font:inherit;background:#fff;border-radius:14px;padding:.8rem .9rem}.log-list{gap:.75rem;margin-top:1rem;display:grid}.log-row{border:1px solid var(--line);background:#ffffff9e;border-radius:16px;grid-template-columns:180px 140px minmax(0,1fr) 220px;gap:.75rem;padding:.9rem 1rem;display:grid}.error-callout{color:#8b3f1a;background:#efb28f33;border-radius:16px;padding:.8rem 1rem;font-weight:700}.teach-shell{color:#fff;background:#231913;grid-template-rows:auto 1fr;min-height:100vh;display:grid}.teach-topbar{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:2;background:#120c09b8;justify-content:space-between;align-items:center;gap:1rem;padding:1rem 1.2rem;display:flex;position:relative}.teach-frame{padding:1rem;position:relative}.teach-frame iframe{background:#fff;border:0;border-radius:26px;width:100%;height:calc(100vh - 96px);box-shadow:0 20px 60px #00000047}.watermark-layer{pointer-events:none;z-index:3;opacity:.22;grid-template-columns:repeat(3,1fr);align-content:space-between;display:grid;position:absolute;inset:1.25rem}.watermark-layer span{text-align:center;font-size:.95rem;transform:rotate(-18deg)}.empty-state{border:1px dashed var(--line);background:#ffffff7a;border-radius:28px;padding:2rem}@media (max-width:1100px){.shell,.login-card,.hero-card,.course-grid,.stats-grid,.doc-grid,.form-grid,.split-fields,.inline-form,.log-row{grid-template-columns:1fr}.sidebar{border-right:0;border-bottom:1px solid var(--line)}}