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iframe{background:#fff;border:0;width:100%;height:100%;display:block}.player-note{height:100%;color:color-mix(in srgb,var(--color-text)60%,transparent);place-items:center;margin:0;font-size:14px;display:grid}.player-bar{justify-content:space-between;align-items:center;gap:var(--space-4);flex-wrap:wrap;display:flex}.player-status,.player-nav{align-items:center;gap:var(--space-3);flex-wrap:wrap;display:flex}.player-status .text-muted{font-size:13px}.gate{padding:var(--space-8);gap:var(--space-4);flex-direction:column;max-width:640px;display:flex;position:relative}.gate h2{text-wrap:balance;margin:0;font-size:26px}.gate p{text-wrap:pretty;margin:0;font-size:15px;line-height:1.6}.meter{background:var(--color-divider);height:4px}.meter>span{background:var(--color-accent);height:100%;display:block}@media (max-width:899px){.lesson-layout{grid-template-columns:1fr}.lesson-layout>.lesson-rail{order:2}.player-frame{height:clamp(480px,100vh - 200px,900px)}}.notice{border-left:2px solid var(--color-accent);background:color-mix(in srgb,var(--color-accent)8%,transparent);padding:var(--space-4)var(--space-6);text-wrap:pretty;font-size:15px;line-height:1.6}.notice[data-tone=error]{border-left-color:var(--color-accent-800);background:color-mix(in srgb,var(--color-text)6%,transparent)}.notice-title{margin:0 0 var(--space-1);font-family:var(--font-heading);font-weight:var(--font-heading-weight);font-size:19px}.certificate{align-items:center;gap:var(--space-6);text-align:center;flex-direction:column;padding:clamp(32px,6vw,72px) clamp(20px,5vw,64px);display:flex;position:relative}.certificate h1{text-wrap:balance;margin:0;font-size:clamp(34px,5vw,54px);line-height:1.05}.certificate-lede{color:color-mix(in srgb,var(--color-text)65%,transparent);margin:0;font-size:16px}.certificate-course{margin:calc(var(--space-4)*-1)0 0;font-family:var(--font-heading);font-weight:var(--font-heading-weight);color:var(--color-accent-700);text-wrap:balance;font-size:clamp(22px,3vw,28px);line-height:1.15}.certificate-foot{color:color-mix(in srgb,var(--color-text)55%,transparent);overflow-wrap:anywhere;margin:0;font-size:12px}.cert-list{margin:0;padding:0;list-style:none}.cert-list li{justify-content:space-between;align-items:baseline;gap:var(--space-4);padding:var(--space-3)0;border-bottom:1px solid var(--color-divider);flex-wrap:wrap;display:flex}.cert-list li:first-child{padding-top:0}.cert-list .cert-title{font-family:var(--font-heading);font-weight:var(--font-heading-weight);font-size:18px}.cert-list .cert-meta{color:color-mix(in srgb,var(--color-text)60%,transparent);font-variant-numeric:tabular-nums;font-size:13px}.admin-page{padding:calc(var(--space-8)*1.5)var(--space-8)calc(var(--space-8)*2);gap:calc(var(--space-8)*1.2);flex-direction:column;max-width:1100px;display:flex}.admin-head{justify-content:space-between;align-items:end;gap:var(--space-4);flex-wrap:wrap;display:flex}.admin-head h1{text-wrap:balance;margin:0;font-size:clamp(28px,3vw,38px);line-height:1.1}.admin-head .eyebrow{color:var(--color-accent-700)}.admin-head .eyebrow a{color:inherit}.admin-section{gap:var(--space-4);padding-top:var(--space-6);border-top:1px solid var(--color-divider);flex-direction:column;display:flex}.admin-section h2{margin:0;font-size:24px}.admin-sub{margin:0;font-size:14px;line-height:1.6}.admin-link{color:var(--color-accent-700);text-underline-offset:3px;text-decoration:underline}.table-wrap{overflow-x:auto}.table .num,.num{font-variant-numeric:tabular-nums}.table td{vertical-align:top}.course-table{table-layout:fixed;min-width:640px}.course-table th:first-child{width:36%}.admin-form{gap:var(--space-4);flex-direction:column;max-width:820px;display:flex}.admin-form .field{flex:1;min-width:0;margin:0}.admin-form .input{box-sizing:border-box;width:100%}.admin-row{gap:var(--space-4);flex-wrap:wrap;display:flex}.admin-row>.field{min-width:160px}.hint{margin:var(--space-1)0 0;color:color-mix(in srgb,var(--color-text)60%,transparent);font-size:12px;line-height:1.5}.input-prefix{align-items:stretch;display:flex}.input-prefix>span{padding:0 var(--space-2);border:1px solid var(--color-divider);color:color-mix(in srgb,var(--color-text)60%,transparent);border-right:0;align-items:center;font-size:13px;display:flex}.input[readonly]{background:color-mix(in srgb,var(--color-text)5%,transparent)}.check{gap:var(--space-3);cursor:pointer;align-items:baseline;font-size:14px;line-height:1.5;display:flex}.check input{accent-color:var(--color-accent)}.admin-lessons{gap:var(--space-3);max-width:720px;margin-top:var(--space-4);flex-direction:column;display:flex}.admin-lessons .eyebrow{margin:0}.admin-lessons fieldset{gap:var(--space-2);border:0;flex-direction:column;margin:0;padding:0;display:flex}.admin-lessons legend{font-family:var(--font-heading);font-weight:var(--font-heading-weight);letter-spacing:.06em;text-transform:uppercase;margin-bottom:var(--space-2);color:color-mix(in srgb,var(--color-text)60%,transparent);font-size:13px}.admin-lessons .num{color:color-mix(in srgb,var(--color-text)50%,transparent);margin-right:var(--space-1);font-size:12px}.admin-inline{gap:var(--space-4);flex-wrap:wrap;align-items:end;max-width:720px;display:flex}.admin-inline .input{box-sizing:border-box;width:100%}.dropzone{min-height:96px;padding:var(--space-6);text-align:center;cursor:pointer;border:1px dashed color-mix(in srgb,var(--color-text)30%,transparent);justify-content:center;align-items:center;max-width:720px;font-size:14px;display:flex;position:relative}.dropzone:hover,.dropzone[data-over]{border-color:var(--color-accent);background:color-mix(in srgb,var(--color-accent)6%,transparent)}.dropzone:focus-within{outline:2px solid var(--color-accent);outline-offset:2px}.admin-log{max-width:720px;max-height:260px;padding:var(--space-4);background:var(--color-neutral-900);color:var(--color-neutral-200);white-space:pre-wrap;margin:0;font-size:12px;line-height:1.6;overflow:auto}.admin-details summary{cursor:pointer;color:var(--color-accent-700);font-size:14px}.admin-details ul{margin:var(--space-2)0 0;padding-left:var(--space-6);font-size:13px;line-height:1.8}@media (max-width:899px){.admin-page{padding-left:var(--space-6);padding-right:var(--space-6)}}