.dated-lesson-dialog{width:min(650px,calc(100vw - 28px));max-width:none;max-height:calc(100dvh - 32px);overflow:auto;background:#20313a;color:#edf4f7;border:1px solid #6b8490;border-radius:8px;padding:22px;box-shadow:0 18px 60px #0007}
.dated-lesson-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.dated-lesson-heading h2{font-size:22px;line-height:1.2;margin:5px 0 7px;letter-spacing:-.025em}
.dated-lesson-heading p{color:#c2d0d8;font-size:14px;margin:0}
.dated-lesson-heading>button{font-size:26px;min-width:44px;min-height:44px}
.dated-lesson-intro{font-size:14px;color:#c6d6dd;line-height:1.5;margin:16px 0}
.dated-lesson-dialog label{display:flex;flex-direction:column;gap:6px;margin:0;font-size:13px;min-width:0;font-weight:600;color:#dbe8ec}
.dated-lesson-dialog input,.dated-lesson-dialog select{width:100%;min-height:44px;box-sizing:border-box;background:#15232b;color:#eef6f9;border:1px solid #617884;border-radius:5px;font:inherit;font-size:16px;padding:9px 10px}
.dated-lesson-dialog input:focus-visible,.dated-lesson-dialog select:focus-visible,.dated-lesson-dialog button:focus-visible{outline:3px solid #c1e7ef;outline-offset:2px}
.dated-lesson-fields{display:grid;gap:14px}
.dated-lesson-part{padding:0;margin:0;min-width:0;border:0;display:grid;gap:13px}
.dated-lesson-part legend{color:#b4c7d1;font-size:13px;padding:0 0 9px}
.dated-lesson-times{display:grid;grid-template-columns:1fr 1fr 1.5fr;gap:10px}
.dated-lesson-reason{margin-top:14px!important}
body .dated-lesson-reset{font-size:12px;margin:12px 0;min-height:40px;padding:7px 10px;background:transparent;color:#d0e0e5;border:1px solid #526b77;border-radius:5px}
.dated-lesson-warnings{font-size:13px;line-height:1.45;color:#ecd5a4}
.dated-lesson-warnings p{margin:8px 0}
.dated-lesson-error{color:#f1becb;font-size:14px;line-height:1.4}
.dated-lesson-message{color:#badbcf;font-size:13px}
.dated-lesson-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px;padding-top:14px;border-top:1px solid #425c68}
.dated-lesson-actions button{min-height:44px;padding:10px 13px;font-size:14px}
.dated-lesson-footnote{display:block;margin-top:12px;color:#abbfc9;font-size:12px;line-height:1.45}
.dated-lesson-discard{padding:12px;background:#4a3840;margin-top:12px;border-radius:5px}
.dated-lesson-discard[hidden]{display:none}
.dated-lesson-discard p{margin:0 0 10px}.dated-lesson-discard button{min-height:40px;margin:0 8px 0 0}
@media(max-width:500px){.dated-lesson-dialog{padding:16px}.dated-lesson-heading h2{font-size:20px}.dated-lesson-times{grid-template-columns:1fr 1fr}.dated-lesson-times label:last-child{grid-column:1/-1}.dated-lesson-actions{flex-direction:column-reverse}.dated-lesson-actions button{width:100%}.dated-lesson-reset{width:100%}}