/* Stundenplan-Raster (KLR): Spalten = Kurse, Zeilen = Stunden */
.tp-grid-wrap {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    gap: 0.5rem;
}

.tp-grid-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: var(--card-bg, #fff);
    border: 1px solid var(--border-color, #ddd);
    border-radius: 8px;
    flex-shrink: 0;
}

.tp-grid-day-tabs {
    display: flex;
    gap: 0.25rem;
    flex-wrap: wrap;
}

.tp-grid-day-tabs button {
    min-width: 2.5rem;
    padding: 0.35rem 0.65rem;
    border: 1px solid var(--border-color, #ccc);
    background: #f8f9fa;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.85rem;
}

.tp-grid-day-tabs button.active {
    background: var(--primary, #2563eb);
    color: #fff;
    border-color: var(--primary, #2563eb);
}

/* Nur so hoch wie die Stundenzeilen — kein Leerraum unter der Tabelle */
.tp-grid-scroll {
    flex: 0 0 auto;
    overflow-x: auto;
    overflow-y: visible;
    border: 1px solid var(--border-color, #ddd);
    border-radius: 8px;
    background: #fff;
}

/* Bei Auswahl: Raster begrenzen, Eingabe unten füllt Rest */
.tp-grid-wrap.has-selection .tp-grid-scroll {
    flex: 0 1 auto;
    max-height: min(55vh, calc(100% - 14rem));
    overflow-y: auto;
}

.tp-grid-table {
    border-collapse: collapse;
    min-width: 100%;
    font-size: 0.8rem;
}

.tp-grid-table th,
.tp-grid-table td {
    border: 1px solid #bbb;
    vertical-align: middle;
    text-align: center;
}

.tp-grid-table .tp-grid-period {
    width: 2.5rem;
    min-width: 2.5rem;
    background: #f0f0f0;
    font-weight: 600;
    position: sticky;
    left: 0;
    z-index: 2;
}

.tp-grid-table .tp-grid-day-label {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-weight: 700;
    font-size: 0.95rem;
    padding: 0.5rem 0.25rem;
    background: #e8e8e8;
    position: sticky;
    left: 2.5rem;
    z-index: 2;
}

.tp-grid-col-header {
    background: #d9d9d9;
    padding: 0.35rem 0.5rem;
    min-width: 6.5rem;
    max-width: 8rem;
    position: relative;
}

.tp-grid-col-header .tp-grid-class-code {
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.tp-grid-col-hint {
    opacity: 0.85;
}

.tp-grid-col-header.dragging {
    opacity: 0.55;
    pointer-events: none;
}

.tp-grid-scroll.tp-grid-col-dragging {
    user-select: none;
    cursor: grabbing;
}

.tp-grid-col-header.drag-over-left {
    box-shadow: inset 3px 0 0 var(--primary, #2563eb);
}

.tp-grid-col-header.drag-over-right {
    box-shadow: inset -3px 0 0 var(--primary, #2563eb);
}

.tp-grid-col-drag {
    color: #666;
    font-size: 0.7rem;
    margin-bottom: 0.15rem;
    line-height: 1;
    cursor: grab;
    padding: 0.15rem 0;
    touch-action: none;
}

.tp-grid-col-drag:active {
    cursor: grabbing;
}

.tp-grid-col-header label {
    display: block;
    font-size: 0.65rem;
    text-align: left;
    color: #444;
    margin-top: 0.2rem;
}

.tp-grid-col-header select,
.tp-grid-col-header input {
    width: 100%;
    font-size: 0.72rem;
    padding: 0.15rem 0.25rem;
    margin-top: 0.1rem;
    border: 1px solid #aaa;
    border-radius: 3px;
}

.tp-grid-cell {
    min-width: 6.5rem;
    max-width: 8rem;
    min-height: 2.75rem;
    padding: 0.25rem 0.35rem;
    cursor: pointer;
    background: #fff;
    user-select: none;
    transition: background 0.1s;
}

.tp-grid-cell:hover {
    background: #f5f8ff;
}

.tp-grid-cell.selected {
    background: #dbeafe;
    outline: 2px solid var(--primary, #2563eb);
    outline-offset: -2px;
}

.tp-grid-cell.has-lesson {
    background: #fafafa;
}

.tp-grid-cell .tp-grid-subject {
    font-weight: 600;
    line-height: 1.2;
    word-break: break-word;
}

.tp-grid-cell .tp-grid-teachers {
    font-size: 0.72rem;
    color: #444;
    margin-top: 0.15rem;
    line-height: 1.15;
}

.tp-grid-cell .tp-grid-room {
    font-size: 0.68rem;
    color: #666;
    margin-top: 0.1rem;
    line-height: 1.1;
}

.tp-grid-cell .tp-grid-room-override {
    color: #1d4ed8;
    font-weight: 600;
}

.tp-grid-cell.empty {
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 7px,
        #eee 7px,
        #eee 8px
    );
}

.tp-grid-bottom {
    flex: 1 1 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.tp-grid-summary {
    flex: 1 1 0;
    min-height: 0;
    overflow: auto;
    padding: 0.65rem 0.75rem;
    background: var(--card-bg, #fff);
    border: 1px solid var(--border-color, #ddd);
    border-radius: 8px;
}

.tp-grid-summary.hidden {
    display: none;
}

.tp-grid-wrap.has-selection .tp-grid-bottom {
    flex: 1 1 0;
}

.tp-grid-summary-title {
    margin: 0 0 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.tp-grid-summary-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

.tp-grid-summary-table th,
.tp-grid-summary-table td {
    border: 1px solid #ccc;
    padding: 0.35rem 0.5rem;
}

.tp-grid-summary-table thead th {
    background: #e8e8e8;
    font-weight: 600;
    text-align: center;
}

.tp-grid-summary-name {
    text-align: left;
    min-width: 10rem;
    white-space: nowrap;
}

.tp-grid-summary-num {
    text-align: center;
    width: 2.75rem;
    min-width: 2.75rem;
}

.tp-grid-summary-sum {
    background: #f3f4f6;
    font-weight: 600;
}

.tp-grid-summary-table th.is-current-day,
.tp-grid-summary-table td.is-current-day {
    background: #eff6ff;
}

.tp-grid-summary-table tfoot td {
    background: #d9d9d9;
    border-top: 2px solid #888;
}

.tp-grid-assign-bar {
    flex: 1 1 0;
    min-height: 0;
    display: flex;
    flex-direction: column;
    padding: 0.75rem 1rem;
    background: var(--card-bg, #fff);
    border: 2px solid var(--primary, #2563eb);
    border-radius: 8px;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.tp-grid-assign-bar.hidden {
    display: none;
}

.tp-grid-assign-meta {
    flex-shrink: 0;
    font-size: 0.85rem;
    color: #555;
    margin-bottom: 0.5rem;
}

.tp-grid-assign-form {
    flex: 1 1 auto;
    min-height: 0;
    display: grid;
    grid-template-columns: 1fr 0.75fr 1.2fr auto;
    gap: 0.75rem;
    align-items: stretch;
    overflow: auto;
}

.tp-grid-assign-form > div:nth-child(3) {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.tp-grid-assign-form select#tp-grid-teachers {
    flex: 1 1 auto;
    min-height: 6rem;
}

@media (max-width: 900px) {
    .tp-grid-assign-form {
        grid-template-columns: 1fr;
    }
}

.tp-grid-assign-form label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.tp-grid-group-sep td,
.tp-grid-group-sep th {
    border-left: 3px solid #666 !important;
}