*{box-sizing:border-box} :root{color-scheme:light;--bg:#f6f7f3;--surface:#fff;--ink:#152b3b;--muted:#60717b;--line:#dfe5e2;--blue:#234acf;--blue-soft:#edf1ff;--sage:#e2eddf;--green:#296453;--shadow:0 12px 40px #182c3b08}body{margin:0;font:15px/1.6 "Segoe UI",system-ui,sans-serif;color:var(--ink);background:var(--bg)}a{color:var(--blue);text-underline-offset:4px}button,input,select{font:inherit}button,.button{border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);padding:11px 16px;font-weight:600;font-size:13px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:10px}button:hover,.button:hover{filter:brightness(.96)}button:disabled{opacity:.55;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid 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.lede{font-size:17px;max-width:350px}.path{margin-top:37px;display:grid;gap:18px}.path>div{display:flex;gap:17px;align-items:center}.path>div>span{display:grid;place-items:center;width:32px;height:32px;border:1px solid var(--line);border-radius:50%;font-size:10px;color:var(--green);flex:none}.path p{margin:0;font-size:13px}.path small{display:block;font-size:11px}.story-foot{font-size:9px;letter-spacing:.15em;color:var(--muted);margin:36px 0 0}.signin-card{background:var(--surface);padding:42px;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.small-mark{display:grid;place-items:center;width:46px;height:46px;background:var(--sage);color:var(--green);font-size:24px;border-radius:12px;margin-bottom:30px}.signin-card h2{font-size:30px;letter-spacing:-.04em}.signin-card>.muted{font-size:13px}.google-button{display:flex;align-items:center;justify-content:center;gap:16px;width:100%;padding:14px;border-radius:8px;border:1px solid var(--line);text-decoration:none;color:var(--ink);background:var(--surface);font-size:14px;font-weight:600;margin-top:26px}.google-button span:first-child{font-family:Arial,sans-serif;font-size:21px;font-weight:700}.google-button span:last-child{margin-left:auto}.signin-hint{text-align:center;color:var(--muted);font-size:10px;margin:10px 0 24px}.trust-note{border-top:1px solid var(--line);padding-top:22px;display:flex;gap:13px;align-items:flex-start;margin-top:25px;color:var(--muted)}.trust-note>span{font-size:22px;color:var(--green)}.trust-note p{font-size:11px;margin:0}.under-card{font-size:11px;color:var(--muted);text-align:center;margin:18px 0 0}footer{display:flex;justify-content:space-between;gap:20px;padding:24px 5vw;border-top:1px solid var(--line);color:var(--muted);font-size:11px}.callout{background:var(--blue-soft);padding:16px;border-radius:9px;font-size:12px;margin:20px 0;overflow-wrap:anywhere}.callout p{margin:5px 0 10px}.callout 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13px;border-radius:6px;font-size:11px;color:var(--muted)}.two-column{display:grid;grid-template-columns:1.15fr 1fr;gap:24px}.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:15px}label{display:flex;flex-direction:column;gap:7px;font-size:12px;font-weight:600;margin-bottom:16px}input,select{width:100%;padding:11px 12px;background:var(--surface);border:1px solid var(--line);border-radius:7px;color:var(--ink);min-width:0;font-size:13px}input[type=checkbox]{width:16px;height:16px;margin:3px 0;accent-color:var(--blue);flex:none}.check{flex-direction:row;gap:12px;align-items:flex-start;font-size:12px;font-weight:400}.inline-form{display:flex;align-items:flex-end;gap:15px;max-width:700px}.inline-form label{flex:1;margin:0}.inline-form button{min-height:44px}.actions{display:flex;gap:14px;flex-wrap:wrap}fieldset{border:1px solid var(--line);padding:12px 15px;margin:0 0 20px;border-radius:7px}legend{font-size:12px}.site-list{margin:20px 0}.site-list>div{display:flex;align-items:center;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px}.site-dot{width:9px;height:9px;border-radius:50%;background:var(--green)}table{border-collapse:collapse;width:100%;font-size:12px;text-align:left;white-space:nowrap}th{font-size:10px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:600}td,th{padding:13px 10px;border-bottom:1px solid var(--line)}td:first-child,th:first-child{padding-left:0}.table-scroll{overflow-x:auto}.connection{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-top:1px solid var(--line);font-size:13px}.connection span{color:var(--muted)}#notice{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);max-width:min(650px,calc(100vw - 30px));background:var(--ink);color:var(--surface);padding:13px 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@media(max-width:1100px){.workspace{grid-template-columns:205px minmax(0,1fr)}.sidebar{padding:26px 15px}.workspace-content{padding:30px}.two-column{grid-template-columns:1fr}.signin-card{padding:30px}.login-layout{gap:5vw;padding-inline:5vw}.stats{gap:12px}.stats .card{padding:20px}}
@media(max-width:760px){header{padding:22px}.login-layout{grid-template-columns:1fr;padding:20px 22px 40px;gap:35px;max-width:560px}.story h1{font-size:44px}.story .path,.story-foot{display:none}.story .lede{margin-bottom:0}.signin-card{padding:25px}.signin-card h2{font-size:26px}.small-mark{margin-bottom:20px}.story .eyebrow{margin-bottom:10px}.story h1{margin-top:15px}.setup-grid{grid-template-columns:1fr}.setup-content{padding-inline:22px}.workspace{display:block}.sidebar{border-right:0;border-bottom:1px solid var(--line);padding:20px}.sidebar>.eyebrow,.sidebar-note{display:none}.sidebar nav{display:flex;overflow-x:auto;gap:5px}.nav-item{white-space:nowrap;width:auto;padding:8px}.nav-item span{display:none}.sidebar select{max-width:340px}.workspace-header{padding:15px 22px}.workspace-header>.muted{display:none}.workspace-header>.header-right{margin-left:auto}.workspace-content{padding:25px 20px}.page-heading{display:block}.page-heading>.pill{display:inline-block;margin-top:15px}.page-heading h1{font-size:31px}.stats{grid-template-columns:1fr}.stats .card{margin-bottom:0}.stats{margin-bottom:24px}.card{padding:22px}.two-fields{grid-template-columns:1fr}.inline-form{flex-direction:column;align-items:stretch}.connection{flex-direction:column;gap:5px}footer{padding:20px;flex-wrap:wrap}.header-right{gap:12px}}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg:#0e1c27;--surface:#172b38;--ink:#edf4f3;--muted:#b2c3cc;--line:#344b58;--blue:#9eb6ff;--blue-soft:#213654;--sage:#28473e;--green:#afdcc6;--shadow:0 12px 40px #0002}:root:not([data-theme=light]) .primary{background:#2d51d0;border-color:#2d51d0}:root:not([data-theme=light]) .brand-icon{background:#2d51d0}}
:root[data-theme=dark]{color-scheme:dark;--bg:#0e1c27;--surface:#172b38;--ink:#edf4f3;--muted:#b2c3cc;--line:#344b58;--blue:#9eb6ff;--blue-soft:#213654;--sage:#28473e;--green:#afdcc6;--shadow:0 12px 40px #0002}:root[data-theme=dark] .primary,:root[data-theme=dark] .brand-icon{background:#2d51d0;border-color:#2d51d0}

textarea{width:100%;font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line);padding:12px;border-radius:7px;resize:vertical}.lesson-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,320px),1fr));gap:24px}.lesson-card{display:flex;flex-direction:column}.lesson-card .actions{margin-top:auto}.lesson-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:15px 0;font-size:11px}.lesson-description{white-space:pre-wrap}.lesson-player{aspect-ratio:16/9;min-height:260px;background:var(--bg);border:1px solid var(--line);border-radius:12px;overflow:hidden;display:grid;place-items:center;margin:24px 0;text-align:center}.lesson-player>div{padding:24px}.lesson-player p{margin:8px 0 20px}.lesson-player iframe{width:100%;height:100%;border:0}.play-mark{font-size:40px;color:var(--green)}.lesson-detail>.actions{margin-bottom:20px}@media(max-width:760px){.lesson-player{min-height:230px}.lesson-meta{align-items:flex-start}.lesson-grid{display:block}}
.site-selection-controls{display:flex;align-items:center;justify-content:space-between;gap:12px 24px;flex-wrap:wrap;margin-bottom:12px}.site-selection-controls .check{margin:0}.site-selection-controls input:disabled+span{color:var(--muted)}.site-access [hidden]{display:none!important}.site-access .site-expander{margin-top:8px}.site-access .check span{overflow-wrap:anywhere;min-width:0}
.lesson-player{width:100%;min-width:0}.lesson-player iframe{min-width:0;display:block}@media(max-width:760px){.lesson-player{aspect-ratio:auto;height:240px}}

.invite-card #site-choice{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:8px 24px}.site-add-action{margin-top:16px}#add-site-dialog{width:min(460px,calc(100% - 32px));padding:28px;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--ink)}#add-site-dialog::backdrop{background:#07152199}
.admin-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}.admin-spacing{margin-top:20px}.admin-tabs+section pre{white-space:pre-wrap;max-width:300px}.html-player{aspect-ratio:auto;height:75vh;min-height:540px}.lesson-player:fullscreen{height:100vh;width:100vw;border:0;border-radius:0;margin:0;background:var(--bg)}#lesson-progress{margin:auto 0}.workspace-body{min-width:0}
@media(max-width:760px){.html-player{height:78vh;min-height:500px}.admin-tabs button{flex:1;white-space:nowrap}}