.schedule-lesson-details { position: fixed; z-index: 40; width: min(520px, calc(100vw - 24px)); max-height: min(76vh, 680px); overflow: auto; padding: 0; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--text); box-shadow: 0 20px 48px rgba(20, 31, 51, .25); }
.schedule-lesson-details[hidden] { display: none; }
.lesson-popover-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 16px 20px 12px; border-bottom: 1px solid var(--line); background: var(--surface-soft); }
.lesson-popover-head small, .lesson-form header small { color: var(--muted); font-size: 12px; }
.lesson-popover-head h3 { margin: 4px 0 0; font-size: 17px; line-height: 1.3; }
.lesson-popover-head button, .lesson-form header button { width: 36px; height: 36px; padding: 0; border: 0; border-radius: 8px; background: transparent; color: var(--muted); font-size: 26px; cursor: pointer; }
.lesson-popover-head button:hover, .lesson-form header button:hover { background: var(--accent-soft); color: var(--text); }
.lesson-popover-facts { display: grid; gap: 10px; margin: 0; padding: 16px 20px; }
.lesson-popover-facts div { display: grid; grid-template-columns: 102px minmax(0, 1fr); gap: 12px; }
.lesson-popover-facts dt { color: var(--muted); }
.lesson-popover-facts dd { margin: 0; overflow-wrap: anywhere; font-weight: 600; }
.lesson-popover-students { margin: 0 20px; padding: 14px 0; border-top: 1px solid var(--line); }
.lesson-popover-students strong { font-size: 13px; }
.lesson-popover-students ol { display: grid; gap: 5px; margin: 10px 0 0; padding-left: 22px; }
.lesson-popover-students li { padding-left: 2px; }
.lesson-popover-note { margin: 0 20px 12px; overflow-wrap: anywhere; white-space: pre-wrap; }
.schedule-lesson-details footer { display: flex; flex-wrap: wrap; gap: 8px; padding: 14px 20px 18px; border-top: 1px solid var(--line); }
.schedule-lesson-details footer .btn { min-height: 40px; }
.schedule-lesson-details footer [data-lesson-action="cancel"] { margin-left: auto; }
.lesson-dialog { width: min(930px, calc(100vw - 24px)); max-height: min(92vh, 1000px); margin: auto; padding: 0; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); color: var(--text); box-shadow: 0 28px 90px rgba(15, 25, 40, .32); }
.lesson-dialog::backdrop { background: rgba(12, 21, 36, .52); }
.lesson-form { display: flex; flex-direction: column; max-height: min(92vh, 1000px); }
.lesson-form header { position: sticky; top: 0; z-index: 2; display: flex; justify-content: space-between; gap: 12px; padding: 20px 24px; border-bottom: 1px solid var(--line); background: var(--surface); }
.lesson-form h2 { margin: 3px 0 0; font-size: 22px; }
.lesson-form-body { display: grid; gap: 18px; overflow: auto; padding: 22px 24px; }
.lesson-form-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.lesson-field { display: grid; gap: 6px; font-size: 13px; font-weight: 650; }
.lesson-field input, .lesson-field select, .lesson-field textarea { width: 100%; min-height: 42px; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--text); font: inherit; font-weight: 400; }
.lesson-field textarea { resize: vertical; }
.lesson-form-lists { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.lesson-multi { min-width: 0; margin: 0; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; }
.lesson-multi summary { cursor: pointer; font-size: 13px; font-weight: 650; }
.lesson-multi summary span { display: block; margin: 3px 0 0; overflow: hidden; color: var(--muted); font-weight: 400; text-overflow: ellipsis; white-space: nowrap; }
.lesson-multi > input { width: 100%; min-height: 38px; margin: 10px 0; padding: 7px 10px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface); color: var(--text); }
.lesson-multi > div { display: flex; flex-wrap: wrap; gap: 7px; max-height: 160px; overflow: auto; }
.lesson-multi label[hidden] { display: none; }
.lesson-multi label { display: inline-flex; align-items: center; gap: 6px; min-height: 32px; padding: 4px 8px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface-soft); cursor: pointer; font-size: 13px; }
.lesson-multi label:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.lesson-static-list { margin: 0; color: var(--muted); line-height: 1.45; }
.lesson-static-list strong { color: var(--text); }
.lesson-attendance { min-width: 0; padding-top: 4px; }
.lesson-attendance h3 { margin: 0 0 12px; font-size: 16px; }
.lesson-attendance-head, .lesson-attendance-row { display: grid; grid-template-columns: minmax(180px, 2fr) minmax(92px, .8fr) minmax(78px, .65fr) minmax(120px, 1fr); gap: 8px; align-items: center; }
.lesson-attendance-head { padding: 0 8px 7px; color: var(--muted); font-size: 12px; }
.lesson-attendance-row { padding: 8px; border-top: 1px solid var(--line); }
.lesson-attend-name { display: flex; align-items: flex-start; gap: 8px; font-weight: 600; }
.lesson-attend-name input { margin-top: 3px; accent-color: var(--accent); }
.lesson-attendance-row > input { width: 100%; min-width: 0; min-height: 38px; padding: 7px 8px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface); color: var(--text); }
.lesson-reason { grid-column: 1 / -1; color: var(--muted); }
.lesson-form footer { position: sticky; bottom: 0; display: flex; justify-content: flex-end; gap: 8px; padding: 16px 24px; border-top: 1px solid var(--line); background: var(--surface); }
.lesson-form footer .btn { min-height: 42px; }
.lesson-alert { margin: 0; padding: 10px 12px; border: 1px solid var(--warning, #d49a30); border-radius: 8px; background: var(--surface-soft); color: var(--text); }
.lesson-alert[hidden], .lesson-preview[hidden] { display: none; }
.lesson-preview { display: grid; gap: 10px; padding: 16px; border: 1px solid var(--accent); border-radius: 9px; background: var(--accent-soft); }
.lesson-preview h3 { margin: 0; font-size: 16px; }
.lesson-preview > div { display: grid; grid-template-columns: 75px 1fr; gap: 10px; }
.lesson-preview > div span { color: var(--muted); }
.lesson-preview > div > strong { white-space: pre-wrap; font-weight: 600; }
.lesson-charge-list ul { display: grid; gap: 4px; margin: 0; padding: 0; list-style: none; }
.lesson-charge-list li { display: flex; justify-content: space-between; gap: 10px; }
.lesson-charge-list li span { color: var(--text) !important; }
.lesson-preview > .btn { justify-self: start; }
.lesson-dialog-loading { padding: 32px; }
.schedule-grid-lesson:focus-visible, .schedule-lesson-details button:focus-visible, .lesson-dialog :is(button,input,select,textarea):focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
@media (max-width: 760px) {
  .schedule-lesson-details { left: 8px !important; right: 8px; top: auto !important; bottom: 8px; width: auto; max-height: 72vh; }
  .lesson-dialog { width: calc(100vw - 12px); max-height: 96vh; }
  .lesson-form { max-height: 96vh; }
  .lesson-form-grid, .lesson-form-lists { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lesson-attendance-head { display: none; }
  .lesson-attendance-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lesson-attend-name { grid-column: 1 / -1; }
  .lesson-attendance-row > input:last-of-type { grid-column: 1 / -1; }
}
@media (max-width: 480px) { .lesson-form-grid, .lesson-form-lists { grid-template-columns: 1fr; } .lesson-form-body { padding: 16px; } .lesson-popover-facts div { grid-template-columns: 90px 1fr; } }