.timetable-config-card,
.timetable-day-card {
    border: 1px solid #e5e7eb;
    border-radius: 24px;
    background: #fff;
    padding: 24px;
    box-shadow: 0 14px 35px rgba(15, 23, 42, 0.07);
    transition: 0.2s;
    color: #0f172a;
    min-height: 190px;
}
.timetable-config-card:hover,
.timetable-day-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 22px 55px rgba(15, 23, 42, 0.14);
}
.timetable-config-card h2 {
    font-size: 20px;
    font-weight: 900;
    margin-top: 14px;
}
.timetable-config-card p {
    color: #64748b;
    margin-bottom: 0;
}
.timetable-grid {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border: 1px solid #e5e7eb;
    border-radius: 18px;
    overflow: hidden;
}
.timetable-grid th,
.timetable-grid td {
    border-bottom: 1px solid #e5e7eb;
    border-right: 1px solid #e5e7eb;
    padding: 12px;
    min-width: 130px;
    vertical-align: top;
}
.timetable-grid th {
    background: #f8fafc;
    color: #0f172a;
    font-weight: 900;
}
.timetable-grid td {
    height: 72px;
    background: #fff;
}
.timetable-multicheck {
    position: relative;
}
.timetable-multicheck-menu {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    z-index: 1060;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    padding: 10px;
    max-height: 280px;
    overflow: auto;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.15);
}
.timetable-multicheck.is-open .timetable-multicheck-menu {
    display: block;
}
.timetable-multicheck-item {
    display: flex;
    gap: 10px;
    align-items: center;
    padding: 9px;
    border-radius: 12px;
    cursor: pointer;
}
.timetable-multicheck-item:hover {
    background: #f8fafc;
}
.timetable-period-row {
    background: #f8fafc;
}

.timetable-hour-cell {
    width: 120px;
    white-space: nowrap;
    font-weight: 800;
    background: #f8fafc;
}

.timetable-closed-cell {
    background: repeating-linear-gradient(
        135deg,
        #f1f5f9,
        #f1f5f9 8px,
        #e2e8f0 8px,
        #e2e8f0 16px
    );
    color: #64748b;
    text-align: center;
    font-weight: 700;
}