.lesson-date-planner { margin: 18px 0 24px; padding: 22px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.planner-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.planner-heading h2 { margin: 8px 0 5px; font: 800 22px Manrope,sans-serif; }
.planner-heading p { margin: 0; color: var(--muted); font-size: 13px; }
.planner-step { flex: 0 0 auto; padding: 7px 10px; border-radius: 999px; background: var(--mint); color: var(--green); font-size: 11px; font-weight: 800; }
.planner-fields { display: grid; grid-template-columns: minmax(0,2fr) minmax(180px,1fr); gap: 14px; margin: 20px 0; }
.planner-fields select,.planner-fields input { width: 100%; min-height: 43px; padding: 9px 11px; border: 1px solid var(--line); border-radius: 9px; background: #fbfcfb; color: var(--ink); font: inherit; }
.planner-weekdays { margin: 0; padding: 0; border: 0; }
.planner-weekdays legend { margin-bottom: 9px; font-size: 12px; font-weight: 800; }
.planner-weekday-options { display: flex; flex-wrap: wrap; gap: 8px; }
.planner-weekday-options label { position: relative; cursor: pointer; }
.planner-weekday-options input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.planner-weekday-options span { display: grid; place-items: center; min-width: 48px; min-height: 39px; padding: 6px 10px; border: 1px solid var(--line); border-radius: 9px; background: #f7f9f7; color: var(--ink); font-size: 12px; font-weight: 800; transition: background .15s,border-color .15s,color .15s; }
.planner-weekday-options input:checked + span { border-color: var(--green); background: var(--green); color: #fff; }
.planner-weekday-options input:focus-visible + span { outline: 3px solid #265d4a55; outline-offset: 2px; }
.planner-preview { margin: 18px 0 13px; padding: 12px 14px; border-radius: 10px; background: #f2f7f4; color: var(--ink); font-size: 13px; line-height: 1.45; }
.planner-preview.replaces-dates { background: #fff5e4; color: #775016; }
.planner-actions,.lesson-save-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.planner-actions small { color: var(--muted); font-size: 12px; }
.planner-actions button:disabled { opacity: .5; cursor: not-allowed; }
.planner-undo,.planner-discard { padding: 10px 12px; border: 1px solid var(--line); border-radius: 9px; background: #fff; color: var(--green); font: inherit; font-size: 12px; font-weight: 800; cursor: pointer; }
.planner-discard { color: #8f4d35; }
.planner-undo:hover,.planner-discard:hover { border-color: currentColor; }
.bulk-lesson.has-unsaved-change { border-color: #d7b66e; box-shadow: inset 4px 0 #dba340; }
.bulk-lesson.has-unsaved-change input[type="date"],.bulk-lesson.has-unsaved-change textarea { background: #fffdf7; }
.sticky-save.has-pending { background: #284b3d; }
.bulk-lessons-form .sticky-save:not(.has-pending) { position: static; }
.sticky-save #lesson-save-status { font-weight: 700; }
@media (max-width: 700px) { .planner-heading { flex-direction: column; } .planner-fields { grid-template-columns: 1fr; } .lesson-date-planner { padding: 17px; } }